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Diffstat (limited to 'vendor')
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diff --git a/vendor/github.com/jroimartin/gocui/.gitignore b/vendor/github.com/jroimartin/gocui/.gitignore new file mode 100644 index 00000000..1377554e --- /dev/null +++ b/vendor/github.com/jroimartin/gocui/.gitignore @@ -0,0 +1 @@ +*.swp diff --git a/vendor/github.com/jroimartin/gocui/AUTHORS b/vendor/github.com/jroimartin/gocui/AUTHORS new file mode 100644 index 00000000..acf97f47 --- /dev/null +++ b/vendor/github.com/jroimartin/gocui/AUTHORS @@ -0,0 +1,24 @@ +# This is the official list of gocui authors for copyright purposes. + +# Names should be added to this file as +# Name or Organization <email address> contribution +# Contribution +# The email address is not required for organizations. + +Roi Martin <jroi.martin@gmail.com> + Main developer + +Ryan Sullivan <kayoticsully@gmail.com> + Toggleable view frames + +Matthieu Rakotojaona <matthieu.rakotojaona@gmail.com> + Wrapped views + +Harry Lawrence <hazbo@gmx.com> + Basic mouse support + +Danny Tylman <dtylman@gmail.com> + Masked views + +Frederik Deweerdt <frederik.deweerdt@gmail.com> + Colored fonts diff --git a/vendor/github.com/jroimartin/gocui/LICENSE b/vendor/github.com/jroimartin/gocui/LICENSE new file mode 100644 index 00000000..8cb28215 --- /dev/null +++ b/vendor/github.com/jroimartin/gocui/LICENSE @@ -0,0 +1,23 @@ +Copyright (c) 2014 The gocui Authors. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + * Neither the name of the gocui Authors nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR +ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/github.com/jroimartin/gocui/README.md b/vendor/github.com/jroimartin/gocui/README.md new file mode 100644 index 00000000..d2e5065f --- /dev/null +++ b/vendor/github.com/jroimartin/gocui/README.md @@ -0,0 +1,91 @@ +# GOCUI - Go Console User Interface + +[](https://godoc.org/github.com/jroimartin/gocui) + +Minimalist Go package aimed at creating Console User Interfaces. + +## Features + +* Minimalist API. +* Views (the "windows" in the GUI) implement the interface io.ReadWriter. +* Support for overlapping views. +* The GUI can be modified at runtime (concurrent-safe). +* Global and view-level keybindings. +* Mouse support. +* Colored text. +* Customizable edition mode. + +## Installation + +Execute: + +``` +$ go get github.com/jroimartin/gocui +``` + +## Documentation + +Execute: + +``` +$ go doc github.com/jroimartin/gocui +``` + +Or visit [godoc.org](https://godoc.org/github.com/jroimartin/gocui) to read it +online. + +## Example + +```go +package main + +import ( + "fmt" + "log" + + "github.com/jroimartin/gocui" +) + +func main() { + g := gocui.NewGui() + if err := g.Init(); err != nil { + log.Panicln(err) + } + defer g.Close() + + g.SetLayout(layout) + + if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil { + log.Panicln(err) + } + + if err := g.MainLoop(); err != nil && err != gocui.ErrQuit { + log.Panicln(err) + } +} + +func layout(g *gocui.Gui) error { + maxX, maxY := g.Size() + if v, err := g.SetView("hello", maxX/2-7, maxY/2, maxX/2+7, maxY/2+2); err != nil { + if err != gocui.ErrUnknownView { + return err + } + fmt.Fprintln(v, "Hello world!") + } + return nil +} + +func quit(g *gocui.Gui, v *gocui.View) error { + return gocui.ErrQuit +} +``` + +## Screenshots + +_examples/demo.go: + + + +_examples/dynamic.go: + + diff --git a/vendor/github.com/jroimartin/gocui/attribute.go b/vendor/github.com/jroimartin/gocui/attribute.go new file mode 100644 index 00000000..bad758a1 --- /dev/null +++ b/vendor/github.com/jroimartin/gocui/attribute.go @@ -0,0 +1,32 @@ +// Copyright 2014 The gocui Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package gocui + +import "github.com/nsf/termbox-go" + +// Attribute represents a terminal attribute, like color, font style, etc. They +// can be combined using bitwise OR (|). Note that it is not possible to +// combine multiple color attributes. +type Attribute termbox.Attribute + +// Color attributes. +const ( + ColorDefault Attribute = Attribute(termbox.ColorDefault) + ColorBlack = Attribute(termbox.ColorBlack) + ColorRed = Attribute(termbox.ColorRed) + ColorGreen = Attribute(termbox.ColorGreen) + ColorYellow = Attribute(termbox.ColorYellow) + ColorBlue = Attribute(termbox.ColorBlue) + ColorMagenta = Attribute(termbox.ColorMagenta) + ColorCyan = Attribute(termbox.ColorCyan) + ColorWhite = Attribute(termbox.ColorWhite) +) + +// Text style attributes. +const ( + AttrBold Attribute = Attribute(termbox.AttrBold) + AttrUnderline = Attribute(termbox.AttrUnderline) + AttrReverse = Attribute(termbox.AttrReverse) +) diff --git a/vendor/github.com/jroimartin/gocui/doc.go b/vendor/github.com/jroimartin/gocui/doc.go new file mode 100644 index 00000000..2c753c99 --- /dev/null +++ b/vendor/github.com/jroimartin/gocui/doc.go @@ -0,0 +1,116 @@ +// Copyright 2014 The gocui Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +/* +Package gocui allows to create console user interfaces. + +Create a new GUI: + + g := gocui.NewGui() + if err := g.Init(); err != nil { + // handle error + } + defer g.Close() + + // Set layout and key bindings + // ... + + if err := g.MainLoop(); err != nil && err != gocui.ErrQuit { + // handle error + } + +Set the layout function: + + g.SetLayout(fcn) + +On each iteration of the GUI's main loop, the "layout function" is executed. +These layout functions can be used to set-up and update the application's main +views, being possible to freely switch between them. Also, it is important to +mention that a main loop iteration is executed on each reported event +(key-press, mouse event, window resize, etc). + +GUIs are composed by Views, you can think of it as buffers. Views implement the +io.ReadWriter interface, so you can just write to them if you want to modify +their content. The same is valid for reading. + +Create and initialize a view with absolute coordinates: + + if v, err := g.SetView("viewname", 2, 2, 22, 7); err != nil { + if err != gocui.ErrUnknownView { + // handle error + } + fmt.Fprintln(v, "This is a new view") + // ... + } + +Views can also be created using relative coordinates: + + maxX, maxY := g.Size() + if v, err := g.SetView("viewname", maxX/2-30, maxY/2, maxX/2+30, maxY/2+2); err != nil { + // ... + } + +Configure keybindings: + + if err := g.SetKeybinding("viewname", gocui.KeyEnter, gocui.ModNone, fcn); err != nil { + // handle error + } + +gocui implements full mouse support that can be enabled with: + + g.Mouse = true + +Mouse events are handled like any other keybinding: + + if err := g.SetKeybinding("viewname", gocui.MouseLeft, gocui.ModNone, fcn); err != nil { + // handle error + } + +IMPORTANT: Views can only be created, destroyed or updated in three ways: from +layout functions, from keybinding callbacks or via *Gui.Execute(). The reason +for this is that it allows gocui to be conccurent-safe. So, if you want to +update your GUI from a goroutine, you must use *Gui.Execute(). For example: + + g.Execute(func(g *gocui.Gui) error { + v, err := g.View("viewname") + if err != nil { + // handle error + } + v.Clear() + fmt.Fprintln(v, "Writing from different goroutines") + return nil + }) + +By default, gocui provides a basic edition mode. This mode can be extended +and customized creating a new Editor and assigning it to *Gui.Editor: + + type Editor interface { + Edit(v *View, key Key, ch rune, mod Modifier) + } + +DefaultEditor can be taken as example to create your own custom Editor: + + var DefaultEditor Editor = EditorFunc(simpleEditor) + + func simpleEditor(v *View, key Key, ch rune, mod Modifier) { + switch { + case ch != 0 && mod == 0: + v.EditWrite(ch) + case key == KeySpace: + v.EditWrite(' ') + case key == KeyBackspace || key == KeyBackspace2: + v.EditDelete(true) + // ... + } + } + +Colored text: + +Views allow to add colored text using ANSI colors. For example: + + fmt.Fprintln(v, "\x1b[0;31mHello world") + +For more information, see the examples in folder "_examples/". +*/ +package gocui diff --git a/vendor/github.com/jroimartin/gocui/edit.go b/vendor/github.com/jroimartin/gocui/edit.go new file mode 100644 index 00000000..66d84c8d --- /dev/null +++ b/vendor/github.com/jroimartin/gocui/edit.go @@ -0,0 +1,341 @@ +// Copyright 2014 The gocui Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package gocui + +import "errors" + +const maxInt = int(^uint(0) >> 1) + +// Editor interface must be satisfied by gocui editors. +type Editor interface { + Edit(v *View, key Key, ch rune, mod Modifier) +} + +// The EditorFunc type is an adapter to allow the use of ordinary functions as +// Editors. If f is a function with the appropriate signature, EditorFunc(f) +// is an Editor object that calls f. +type EditorFunc func(v *View, key Key, ch rune, mod Modifier) + +// Edit calls f(v, key, ch, mod) +func (f EditorFunc) Edit(v *View, key Key, ch rune, mod Modifier) { + f(v, key, ch, mod) +} + +// DefaultEditor is the default editor. +var DefaultEditor Editor = EditorFunc(simpleEditor) + +// simpleEditor is used as the default gocui editor. +func simpleEditor(v *View, key Key, ch rune, mod Modifier) { + switch { + case ch != 0 && mod == 0: + v.EditWrite(ch) + case key == KeySpace: + v.EditWrite(' ') + case key == KeyBackspace || key == KeyBackspace2: + v.EditDelete(true) + case key == KeyDelete: + v.EditDelete(false) + case key == KeyInsert: + v.Overwrite = !v.Overwrite + case key == KeyEnter: + v.EditNewLine() + case key == KeyArrowDown: + v.MoveCursor(0, 1, false) + case key == KeyArrowUp: + v.MoveCursor(0, -1, false) + case key == KeyArrowLeft: + v.MoveCursor(-1, 0, false) + case key == KeyArrowRight: + v.MoveCursor(1, 0, false) + } +} + +// EditWrite writes a rune at the cursor position. +func (v *View) EditWrite(ch rune) { + v.writeRune(v.cx, v.cy, ch) + v.MoveCursor(1, 0, true) +} + +// EditDelete deletes a rune at the cursor position. back determines the +// direction. +func (v *View) EditDelete(back bool) { + x, y := v.ox+v.cx, v.oy+v.cy + if y < 0 { + return + } else if y >= len(v.viewLines) { + v.MoveCursor(-1, 0, true) + return + } + + maxX, _ := v.Size() + if back { + if x == 0 { // start of the line + if y < 1 { + return + } + + var maxPrevWidth int + if v.Wrap { + maxPrevWidth = maxX + } else { + maxPrevWidth = maxInt + } + + if v.viewLines[y].linesX == 0 { // regular line + v.mergeLines(v.cy - 1) + if len(v.viewLines[y-1].line) < maxPrevWidth { + v.MoveCursor(-1, 0, true) + } + } else { // wrapped line + v.deleteRune(len(v.viewLines[y-1].line)-1, v.cy-1) + v.MoveCursor(-1, 0, true) + } + } else { // middle/end of the line + v.deleteRune(v.cx-1, v.cy) + v.MoveCursor(-1, 0, true) + } + } else { + if x == len(v.viewLines[y].line) { // end of the line + v.mergeLines(v.cy) + } else { // start/middle of the line + v.deleteRune(v.cx, v.cy) + } + } +} + +// EditNewLine inserts a new line under the cursor. +func (v *View) EditNewLine() { + v.breakLine(v.cx, v.cy) + + y := v.oy + v.cy + if y >= len(v.viewLines) || (y >= 0 && y < len(v.viewLines) && + !(v.Wrap && v.cx == 0 && v.viewLines[y].linesX > 0)) { + // new line at the end of the buffer or + // cursor is not at the beginning of a wrapped line + v.ox = 0 + v.cx = 0 + v.MoveCursor(0, 1, true) + } +} + +// MoveCursor moves the cursor taking into account the width of the line/view, +// displacing the origin if necessary. +func (v *View) MoveCursor(dx, dy int, writeMode bool) { + maxX, maxY := v.Size() + cx, cy := v.cx+dx, v.cy+dy + x, y := v.ox+cx, v.oy+cy + + var curLineWidth, prevLineWidth int + // get the width of the current line + if writeMode { + if v.Wrap { + curLineWidth = maxX - 1 + } else { + curLineWidth = maxInt + } + } else { + if y >= 0 && y < len(v.viewLines) { + curLineWidth = len(v.viewLines[y].line) + if v.Wrap && curLineWidth >= maxX { + curLineWidth = maxX - 1 + } + } else { + curLineWidth = 0 + } + } + // get the width of the previous line + if y-1 >= 0 && y-1 < len(v.viewLines) { + prevLineWidth = len(v.viewLines[y-1].line) + } else { + prevLineWidth = 0 + } + + // adjust cursor's x position and view's x origin + if x > curLineWidth { // move to next line + if dx > 0 { // horizontal movement + if !v.Wrap { + v.ox = 0 + } + v.cx = 0 + cy++ + } else { // vertical movement + if curLineWidth > 0 { // move cursor to the EOL + if v.Wrap { + v.cx = curLineWidth + } else { + ncx := curLineWidth - v.ox + if ncx < 0 { + v.ox += ncx + if v.ox < 0 { + v.ox = 0 + } + v.cx = 0 + } else { + v.cx = ncx + } + } + } else { + if !v.Wrap { + v.ox = 0 + } + v.cx = 0 + } + } + } else if cx < 0 { + if !v.Wrap && v.ox > 0 { // move origin to the left + v.ox-- + } else { // move to previous line + if prevLineWidth > 0 { + if !v.Wrap { // set origin so the EOL is visible + nox := prevLineWidth - maxX + 1 + if nox < 0 { + v.ox = 0 + } else { + v.ox = nox + } + } + v.cx = prevLineWidth + } else { + if !v.Wrap { + v.ox = 0 + } + v.cx = 0 + } + cy-- + } + } else { // stay on the same line + if v.Wrap { + v.cx = cx + } else { + if cx >= maxX { + v.ox++ + } else { + v.cx = cx + } + } + } + + // adjust cursor's y position and view's y origin + if cy >= maxY { + v.oy++ + } else if cy < 0 { + if v.oy > 0 { + v.oy-- + } + } else { + v.cy = cy + } +} + +// writeRune writes a rune into the view's internal buffer, at the +// position corresponding to the point (x, y). The length of the internal +// buffer is increased if the point is out of bounds. Overwrite mode is +// governed by the value of View.overwrite. +func (v *View) writeRune(x, y int, ch rune) error { + v.tainted = true + + x, y, err := v.realPosition(x, y) + if err != nil { + return err + } + + if x < 0 || y < 0 { + return errors.New("invalid point") + } + + if y >= len(v.lines) { + s := make([][]cell, y-len(v.lines)+1) + v.lines = append(v.lines, s...) + } + + olen := len(v.lines[y]) + if x >= len(v.lines[y]) { + s := make([]cell, x-len(v.lines[y])+1) + v.lines[y] = append(v.lines[y], s...) + } + + c := cell{ + fgColor: v.FgColor, + bgColor: v.BgColor, + } + if !v.Overwrite || (v.Overwrite && x >= olen-1) { + c.chr = '\x00' + v.lines[y] = append(v.lines[y], c) + copy(v.lines[y][x+1:], v.lines[y][x:]) + } + c.chr = ch + v.lines[y][x] = c + return nil +} + +// deleteRune removes a rune from the view's internal buffer, at the +// position corresponding to the point (x, y). +func (v *View) deleteRune(x, y int) error { + v.tainted = true + + x, y, err := v.realPosition(x, y) + if err != nil { + return err + } + + if x < 0 || y < 0 || y >= len(v.lines) || x >= len(v.lines[y]) { + return errors.New("invalid point") + } + v.lines[y] = append(v.lines[y][:x], v.lines[y][x+1:]...) + return nil +} + +// mergeLines merges the lines "y" and "y+1" if possible. +func (v *View) mergeLines(y int) error { + v.tainted = true + + _, y, err := v.realPosition(0, y) + if err != nil { + return err + } + + if y < 0 || y >= len(v.lines) { + return errors.New("invalid point") + } + + if y < len(v.lines)-1 { // otherwise we don't need to merge anything + v.lines[y] = append(v.lines[y], v.lines[y+1]...) + v.lines = append(v.lines[:y+1], v.lines[y+2:]...) + } + return nil +} + +// breakLine breaks a line of the internal buffer at the position corresponding +// to the point (x, y). +func (v *View) breakLine(x, y int) error { + v.tainted = true + + x, y, err := v.realPosition(x, y) + if err != nil { + return err + } + + if y < 0 || y >= len(v.lines) { + return errors.New("invalid point") + } + + var left, right []cell + if x < len(v.lines[y]) { // break line + left = make([]cell, len(v.lines[y][:x])) + copy(left, v.lines[y][:x]) + right = make([]cell, len(v.lines[y][x:])) + copy(right, v.lines[y][x:]) + } else { // new empty line + left = v.lines[y] + } + + lines := make([][]cell, len(v.lines)+1) + lines[y] = left + lines[y+1] = right + copy(lines, v.lines[:y]) + copy(lines[y+2:], v.lines[y+1:]) + v.lines = lines + return nil +} diff --git a/vendor/github.com/jroimartin/gocui/escape.go b/vendor/github.com/jroimartin/gocui/escape.go new file mode 100644 index 00000000..07871d52 --- /dev/null +++ b/vendor/github.com/jroimartin/gocui/escape.go @@ -0,0 +1,168 @@ +// Copyright 2014 The gocui Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package gocui + +import ( + "errors" + "strconv" +) + +type escapeInterpreter struct { + state escapeState + curch rune + csiParam []string + curFgColor, curBgColor Attribute +} + +type escapeState int + +const ( + stateNone escapeState = iota + stateEscape + stateCSI + stateParams +) + +var ( + errNotCSI = errors.New("Not a CSI escape sequence") + errCSINotANumber = errors.New("CSI escape sequence was expecting a number or a ;") + errCSIParseError = errors.New("CSI escape sequence parsing error") + errCSITooLong = errors.New("CSI escape sequence is too long") +) + +// runes in case of error will output the non-parsed runes as a string. +func (ei *escapeInterpreter) runes() []rune { + switch ei.state { + case stateNone: + return []rune{0x1b} + case stateEscape: + return []rune{0x1b, ei.curch} + case stateCSI: + return []rune{0x1b, '[', ei.curch} + case stateParams: + ret := []rune{0x1b, '['} + for _, s := range ei.csiParam { + ret = append(ret, []rune(s)...) + ret = append(ret, ';') + } + return append(ret, ei.curch) + } + return nil +} + +// newEscapeInterpreter returns an escapeInterpreter that will be able to parse +// terminal escape sequences. +func newEscapeInterpreter() *escapeInterpreter { + ei := &escapeInterpreter{ + state: stateNone, + curFgColor: ColorDefault, + curBgColor: ColorDefault, + } + return ei +} + +// reset sets the escapeInterpreter in initial state. +func (ei *escapeInterpreter) reset() { + ei.state = stateNone + ei.curFgColor = ColorDefault + ei.curBgColor = ColorDefault + ei.csiParam = nil +} + +// paramToColor returns an attribute given a terminfo coloring. +func paramToColor(p int) Attribute { + switch p { + case 0: + return ColorBlack + case 1: + return ColorRed + case 2: + return ColorGreen + case 3: + return ColorYellow + case 4: + return ColorBlue + case 5: + return ColorMagenta + case 6: + return ColorCyan + case 7: + return ColorWhite + } + return ColorDefault +} + +// parseOne parses a rune. If isEscape is true, it means that the rune is part +// of an escape sequence, and as such should not be printed verbatim. Otherwise, +// it's not an escape sequence. +func (ei *escapeInterpreter) parseOne(ch rune) (isEscape bool, err error) { + // Sanity checks to make sure we're not parsing something totally bogus. + if len(ei.csiParam) > 20 { + return false, errCSITooLong + } + if len(ei.csiParam) > 0 && len(ei.csiParam[len(ei.csiParam)-1]) > 255 { + return false, errCSITooLong + } + ei.curch = ch + switch ei.state { + case stateNone: + if ch == 0x1b { + ei.state = stateEscape + return true, nil + } + return false, nil + case stateEscape: + if ch == '[' { + ei.state = stateCSI + return true, nil + } + return false, errNotCSI + case stateCSI: + if ch >= '0' && ch <= '9' { + ei.state = stateParams + ei.csiParam = append(ei.csiParam, string(ch)) + return true, nil + } + return false, errCSINotANumber + case stateParams: + switch { + case ch >= '0' && ch <= '9': + ei.csiParam[len(ei.csiParam)-1] += string(ch) + return true, nil + case ch == ';': + ei.csiParam = append(ei.csiParam, "") + return true, nil + case ch == 'm': + if len(ei.csiParam) < 1 { + return false, errCSIParseError + } + for _, param := range ei.csiParam { + p, err := strconv.Atoi(param) + if err != nil { + return false, errCSIParseError + } + switch { + case p >= 30 && p <= 37: + ei.curFgColor = paramToColor(p - 30) + case p >= 40 && p <= 47: + ei.curBgColor = paramToColor(p - 40) + case p == 1: + ei.curFgColor |= AttrBold + case p == 4: + ei.curFgColor |= AttrUnderline + case p == 7: + ei.curFgColor |= AttrReverse + case p == 0 || p == 39: + ei.curFgColor = ColorDefault + ei.curBgColor = ColorDefault + } + } + ei.state = stateNone + ei.csiParam = nil + return true, nil + } + } + return false, nil +} diff --git a/vendor/github.com/jroimartin/gocui/gui.go b/vendor/github.com/jroimartin/gocui/gui.go new file mode 100644 index 00000000..39579dc4 --- /dev/null +++ b/vendor/github.com/jroimartin/gocui/gui.go @@ -0,0 +1,646 @@ +// Copyright 2014 The gocui Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package gocui + +import ( + "errors" + + "github.com/nsf/termbox-go" +) + +// Handler represents a handler that can be used to update or modify the GUI. +type Handler func(*Gui) error + +// userEvent represents an event triggered by the user. +type userEvent struct { + h Handler +} + +var ( + // ErrQuit is used to decide if the MainLoop finished successfully. + ErrQuit = errors.New("quit") + + // ErrUnknownView allows to assert if a View must be initialized. + ErrUnknownView = errors.New("unknown view") +) + +// Gui represents the whole User Interface, including the views, layouts +// and keybindings. +type Gui struct { + tbEvents chan termbox.Event + userEvents chan userEvent + views []*View + currentView *View + layout Handler + keybindings []*keybinding + maxX, maxY int + + // BgColor and FgColor allow to configure the background and foreground + // colors of the GUI. + BgColor, FgColor Attribute + + // SelBgColor and SelFgColor are used to configure the background and + // foreground colors of the selected line, when it is highlighted. + SelBgColor, SelFgColor Attribute + + // If Cursor is true then the cursor is enabled. + Cursor bool + + // If Mouse is true then mouse events will be enabled. + Mouse bool + + // If InputEsc is true, when ESC sequence is in the buffer and it doesn't + // match any known sequence, ESC means KeyEsc. + InputEsc bool + + // Editor allows to define the editor that manages the edition mode, + // including keybindings or cursor behaviour. DefaultEditor is used by + // default. + Editor Editor +} + +// NewGui returns a new Gui object. +func NewGui() *Gui { + return &Gui{} +} + +// Init initializes the library. This function must be called before +// any other functions. +func (g *Gui) Init() error { + if err := termbox.Init(); err != nil { + return err + } + g.tbEvents = make(chan termbox.Event, 20) + g.userEvents = make(chan userEvent, 20) + g.maxX, g.maxY = termbox.Size() + g.BgColor = ColorBlack + g.FgColor = ColorWhite + g.Editor = DefaultEditor + return nil +} + +// Close finalizes the library. It should be called after a successful +// initialization and when gocui is not needed anymore. +func (g *Gui) Close() { + termbox.Close() +} + +// Size returns the terminal's size. +func (g *Gui) Size() (x, y int) { + return g.maxX, g.maxY +} + +// SetRune writes a rune at the given point, relative to the top-left +// corner of the terminal. It checks if the position is valid and applies +// the gui's colors. +func (g *Gui) SetRune(x, y int, ch rune) error { + if x < 0 || y < 0 || x >= g.maxX || y >= g.maxY { + return errors.New("invalid point") + } + termbox.SetCell(x, y, ch, termbox.Attribute(g.FgColor), termbox.Attribute(g.BgColor)) + return nil +} + +// Rune returns the rune contained in the cell at the given position. +// It checks if the position is valid. +func (g *Gui) Rune(x, y int) (rune, error) { + if x < 0 || y < 0 || x >= g.maxX || y >= g.maxY { + return ' ', errors.New("invalid point") + } + c := termbox.CellBuffer()[y*g.maxX+x] + return c.Ch, nil +} + +// SetView creates a new view with its top-left corner at (x0, y0) +// and the bottom-right one at (x1, y1). If a view with the same name +// already exists, its dimensions are updated; otherwise, the error +// ErrUnknownView is returned, which allows to assert if the View must +// be initialized. It checks if the position is valid. +func (g *Gui) SetView(name string, x0, y0, x1, y1 int) (*View, error) { + if x0 >= x1 || y0 >= y1 { + return nil, errors.New("invalid dimensions") + } + if name == "" { + return nil, errors.New("invalid name") + } + + if v, err := g.View(name); err == nil { + v.x0 = x0 + v.y0 = y0 + v.x1 = x1 + v.y1 = y1 + v.tainted = true + return v, nil + } + + v := newView(name, x0, y0, x1, y1) + v.BgColor, v.FgColor = g.BgColor, g.FgColor + v.SelBgColor, v.SelFgColor = g.SelBgColor, g.SelFgColor + g.views = append(g.views, v) + return v, ErrUnknownView +} + +// SetViewOnTop sets the given view on top of the existing ones. +func (g *Gui) SetViewOnTop(name string) (*View, error) { + for i, v := range g.views { + if v.name == name { + s := append(g.views[:i], g.views[i+1:]...) + g.views = append(s, v) + return v, nil + } + } + return nil, ErrUnknownView +} + +// View returns a pointer to the view with the given name, or error +// ErrUnknownView if a view with that name does not exist. +func (g *Gui) View(name string) (*View, error) { + for _, v := range g.views { + if v.name == name { + return v, nil + } + } + return nil, ErrUnknownView +} + +// ViewByPosition returns a pointer to a view matching the given position, or +// error ErrUnknownView if a view in that position does not exist. +func (g *Gui) ViewByPosition(x, y int) (*View, error) { + for _, v := range g.views { + if x > v.x0 && x < v.x1 && y > v.y0 && y < v.y1 { + return v, nil + } + } + return nil, ErrUnknownView +} + +// ViewPosition returns the coordinates of the view with the given name, or +// error ErrUnknownView if a view with that name does not exist. +func (g *Gui) ViewPosition(name string) (x0, y0, x1, y1 int, err error) { + for _, v := range g.views { + if v.name == name { + return v.x0, v.y0, v.x1, v.y1, nil + } + } + return 0, 0, 0, 0, ErrUnknownView +} + +// DeleteView deletes a view by name. +func (g *Gui) DeleteView(name string) error { + for i, v := range g.views { + if v.name == name { + g.views = append(g.views[:i], g.views[i+1:]...) + return nil + } + } + return ErrUnknownView +} + +// SetCurrentView gives the focus to a given view. +func (g *Gui) SetCurrentView(name string) error { + for _, v := range g.views { + if v.name == name { + g.currentView = v + return nil + } + } + return ErrUnknownView +} + +// CurrentView returns the currently focused view, or nil if no view +// owns the focus. +func (g *Gui) CurrentView() *View { + return g.currentView +} + +// SetKeybinding creates a new keybinding. If viewname equals to "" +// (empty string) then the keybinding will apply to all views. key must +// be a rune or a Key. +func (g *Gui) SetKeybinding(viewname string, key interface{}, mod Modifier, h KeybindingHandler) error { + var kb *keybinding + + k, ch, err := getKey(key) + if err != nil { + return err + } + kb = newKeybinding(viewname, k, ch, mod, h) + g.keybindings = append(g.keybindings, kb) + return nil +} + +// DeleteKeybinding deletes a keybinding. +func (g *Gui) DeleteKeybinding(viewname string, key interface{}, mod Modifier) error { + k, ch, err := getKey(key) + if err != nil { + return err + } + + for i, kb := range g.keybindings { + if kb.viewName == viewname && kb.ch == ch && kb.key == k && kb.mod == mod { + g.keybindings = append(g.keybindings[:i], g.keybindings[i+1:]...) + return nil + } + } + return errors.New("keybinding not found") +} + +// DeleteKeybindings deletes all keybindings of view. +func (g *Gui) DeleteKeybindings(viewname string) { + var s []*keybinding + for _, kb := range g.keybindings { + if kb.viewName != viewname { + s = append(s, kb) + } + } + g.keybindings = s +} + +// getKey takes an empty interface with a key and returns the corresponding +// typed Key or rune. +func getKey(key interface{}) (Key, rune, error) { + switch t := key.(type) { + case Key: + return t, 0, nil + case rune: + return 0, t, nil + default: + return 0, 0, errors.New("unknown type") + } +} + +// Execute executes the given handler. This function can be called safely from +// a goroutine in order to update the GUI. It is important to note that it +// won't be executed immediately, instead it will be added to the user events +// queue. +func (g *Gui) Execute(h Handler) { + go func() { g.userEvents <- userEvent{h: h} }() +} + +// SetLayout sets the current layout. A layout is a function that +// will be called every time the gui is redrawn, it must contain +// the base views and its initializations. +func (g *Gui) SetLayout(layout Handler) { + g.layout = layout + g.currentView = nil + g.views = nil + go func() { g.tbEvents <- termbox.Event{Type: termbox.EventResize} }() +} + +// MainLoop runs the main loop until an error is returned. A successful +// finish should return ErrQuit. +func (g *Gui) MainLoop() error { + go func() { + for { + g.tbEvents <- termbox.PollEvent() + } + }() + + inputMode := termbox.InputAlt + if g.InputEsc { + inputMode = termbox.InputEsc + } + if g.Mouse { + inputMode |= termbox.InputMouse + } + termbox.SetInputMode(inputMode) + + if err := g.flush(); err != nil { + return err + } + for { + select { + case ev := <-g.tbEvents: + if err := g.handleEvent(&ev); err != nil { + return err + } + case ev := <-g.userEvents: + if err := ev.h(g); err != nil { + return err + } + } + if err := g.consumeevents(); err != nil { + return err + } + if err := g.flush(); err != nil { + return err + } + } +} + +// consumeevents handles the remaining events in the events pool. +func (g *Gui) consumeevents() error { + for { + select { + case ev := <-g.tbEvents: + if err := g.handleEvent(&ev); err != nil { + return err + } + case ev := <-g.userEvents: + if err := ev.h(g); err != nil { + return err + } + default: + return nil + } + } +} + +// handleEvent handles an event, based on its type (key-press, error, +// etc.) +func (g *Gui) handleEvent(ev *termbox.Event) error { + switch ev.Type { + case termbox.EventKey, termbox.EventMouse: + return g.onKey(ev) + case termbox.EventError: + return ev.Err + default: + return nil + } +} + +// flush updates the gui, re-drawing frames and buffers. +func (g *Gui) flush() error { + if g.layout == nil { + return errors.New("Null layout") + } + + termbox.Clear(termbox.Attribute(g.FgColor), termbox.Attribute(g.BgColor)) + + maxX, maxY := termbox.Size() + // if GUI's size has changed, we need to redraw all views + if maxX != g.maxX || maxY != g.maxY { + for _, v := range g.views { + v.tainted = true + } + } + g.maxX, g.maxY = maxX, maxY + + if err := g.layout(g); err != nil { + return err + } + for _, v := range g.views { + if v.Frame { + if err := g.drawFrame(v); err != nil { + return err + } + if err := g.drawCorners(v); err != nil { + return err + } + if v.Title != "" { + if err := g.drawTitle(v); err != nil { + return err + } + } + } + + if err := g.draw(v); err != nil { + return err + } + } + if err := g.drawIntersections(); err != nil { + return err + } + termbox.Flush() + return nil + +} + +// drawFrame draws the horizontal and vertical edges of a view. +func (g *Gui) drawFrame(v *View) error { + for x := v.x0 + 1; x < v.x1 && x < g.maxX; x++ { + if x < 0 { + continue + } + if v.y0 > -1 && v.y0 < g.maxY { + if err := g.SetRune(x, v.y0, '─'); err != nil { + return err + } + } + if v.y1 > -1 && v.y1 < g.maxY { + if err := g.SetRune(x, v.y1, '─'); err != nil { + return err + } + } + } + for y := v.y0 + 1; y < v.y1 && y < g.maxY; y++ { + if y < 0 { + continue + } + if v.x0 > -1 && v.x0 < g.maxX { + if err := g.SetRune(v.x0, y, '│'); err != nil { + return err + } + } + if v.x1 > -1 && v.x1 < g.maxX { + if err := g.SetRune(v.x1, y, '│'); err != nil { + return err + } + } + } + return nil +} + +// drawCorners draws the corners of the view. +func (g *Gui) drawCorners(v *View) error { + if v.x0 >= 0 && v.y0 >= 0 && v.x0 < g.maxX && v.y0 < g.maxY { + if err := g.SetRune(v.x0, v.y0, '┌'); err != nil { + return err + } + } + if v.x1 >= 0 && v.y0 >= 0 && v.x1 < g.maxX && v.y0 < g.maxY { + if err := g.SetRune(v.x1, v.y0, '┐'); err != nil { + return err + } + } + if v.x0 >= 0 && v.y1 >= 0 && v.x0 < g.maxX && v.y1 < g.maxY { + if err := g.SetRune(v.x0, v.y1, '└'); err != nil { + return err + } + } + if v.x1 >= 0 && v.y1 >= 0 && v.x1 < g.maxX && v.y1 < g.maxY { + if err := g.SetRune(v.x1, v.y1, '┘'); err != nil { + return err + } + } + return nil +} + +// drawTitle draws the title of the view. +func (g *Gui) drawTitle(v *View) error { + if v.y0 < 0 || v.y0 >= g.maxY { + return nil + } + + for i, ch := range v.Title { + x := v.x0 + i + 2 + if x < 0 { + continue + } else if x > v.x1-2 || x >= g.maxX { + break + } + if err := g.SetRune(x, v.y0, ch); err != nil { + return err + } + } + return nil +} + +// draw manages the cursor and calls the draw function of a view. +func (g *Gui) draw(v *View) error { + if g.Cursor { + if v := g.currentView; v != nil { + vMaxX, vMaxY := v.Size() + if v.cx < 0 { + v.cx = 0 + } else if v.cx >= vMaxX { + v.cx = vMaxX - 1 + } + if v.cy < 0 { + v.cy = 0 + } else if v.cy >= vMaxY { + v.cy = vMaxY - 1 + } + + gMaxX, gMaxY := g.Size() + cx, cy := v.x0+v.cx+1, v.y0+v.cy+1 + if cx >= 0 && cx < gMaxX && cy >= 0 && cy < gMaxY { + termbox.SetCursor(cx, cy) + } else { + termbox.HideCursor() + } + } + } else { + termbox.HideCursor() + } + + v.clearRunes() + if err := v.draw(); err != nil { + return err + } + return nil +} + +// drawIntersections draws the corners of each view, based on the type +// of the edges that converge at these points. +func (g *Gui) drawIntersections() error { + for _, v := range g.views { + if ch, ok := g.intersectionRune(v.x0, v.y0); ok { + if err := g.SetRune(v.x0, v.y0, ch); err != nil { + return err + } + } + if ch, ok := g.intersectionRune(v.x0, v.y1); ok { + if err := g.SetRune(v.x0, v.y1, ch); err != nil { + return err + } + } + if ch, ok := g.intersectionRune(v.x1, v.y0); ok { + if err := g.SetRune(v.x1, v.y0, ch); err != nil { + return err + } + } + if ch, ok := g.intersectionRune(v.x1, v.y1); ok { + if err := g.SetRune(v.x1, v.y1, ch); err != nil { + return err + } + } + } + return nil +} + +// intersectionRune returns the correct intersection rune at a given +// point. +func (g *Gui) intersectionRune(x, y int) (rune, bool) { + if x < 0 || y < 0 || x >= g.maxX || y >= g.maxY { + return ' ', false + } + + chTop, _ := g.Rune(x, y-1) + top := verticalRune(chTop) + chBottom, _ := g.Rune(x, y+1) + bottom := verticalRune(chBottom) + chLeft, _ := g.Rune(x-1, y) + left := horizontalRune(chLeft) + chRight, _ := g.Rune(x+1, y) + right := horizontalRune(chRight) + + var ch rune + switch { + case top && bottom && left && right: + ch = '┼' + case top && bottom && !left && right: + ch = '├' + case top && bottom && left && !right: + ch = '┤' + case !top && bottom && left && right: + ch = '┬' + case top && !bottom && left && right: + ch = '┴' + default: + return ' ', false + } + return ch, true +} + +// verticalRune returns if the given character is a vertical rune. +func verticalRune(ch rune) bool { + if ch == '│' || ch == '┼' || ch == '├' || ch == '┤' { + return true + } + return false +} + +// verticalRune returns if the given character is a horizontal rune. +func horizontalRune(ch rune) bool { + if ch == '─' || ch == '┼' || ch == '┬' || ch == '┴' { + return true + } + return false +} + +// onKey manages key-press events. A keybinding handler is called when +// a key-press or mouse event satisfies a configured keybinding. Furthermore, +// currentView's internal buffer is modified if currentView.Editable is true. +func (g *Gui) onKey(ev *termbox.Event) error { + switch ev.Type { + case termbox.EventKey: + if err := g.execKeybindings(g.currentView, ev); err != nil { + return err + } + if g.currentView != nil && g.currentView.Editable && g.Editor != nil { + g.Editor.Edit(g.currentView, Key(ev.Key), ev.Ch, Modifier(ev.Mod)) + } + case termbox.EventMouse: + mx, my := ev.MouseX, ev.MouseY + v, err := g.ViewByPosition(mx, my) + if err != nil { + break + } + if err := v.SetCursor(mx-v.x0-1, my-v.y0-1); err != nil { + return err + } + if err := g.execKeybindings(v, ev); err != nil { + return err + } + } + + return nil +} + +// execKeybindings executes the keybinding handlers that match the passed view +// and event. +func (g *Gui) execKeybindings(v *View, ev *termbox.Event) error { + for _, kb := range g.keybindings { + if kb.h == nil { + continue + } + if kb.matchKeypress(Key(ev.Key), ev.Ch, Modifier(ev.Mod)) && kb.matchView(v) { + if err := kb.h(g, v); err != nil { + return err + } + } + } + return nil +} diff --git a/vendor/github.com/jroimartin/gocui/keybinding.go b/vendor/github.com/jroimartin/gocui/keybinding.go new file mode 100644 index 00000000..61516821 --- /dev/null +++ b/vendor/github.com/jroimartin/gocui/keybinding.go @@ -0,0 +1,141 @@ +// Copyright 2014 The gocui Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package gocui + +import "github.com/nsf/termbox-go" + +type ( + // Key represents special keys or keys combinations. + Key termbox.Key + + // Modifier allows to define special keys combinations. They can be used + // in combination with Keys or Runes when a new keybinding is defined. + Modifier termbox.Modifier + + // KeybindingHandler represents the handler linked to a specific + // keybindings. The handler is called when a key-press event satisfies a + // configured keybinding. + KeybindingHandler func(*Gui, *View) error +) + +// Special keys. +const ( + KeyF1 Key = Key(termbox.KeyF1) + KeyF2 = Key(termbox.KeyF2) + KeyF3 = Key(termbox.KeyF3) + KeyF4 = Key(termbox.KeyF4) + KeyF5 = Key(termbox.KeyF5) + KeyF6 = Key(termbox.KeyF6) + KeyF7 = Key(termbox.KeyF7) + KeyF8 = Key(termbox.KeyF8) + KeyF9 = Key(termbox.KeyF9) + KeyF10 = Key(termbox.KeyF10) + KeyF11 = Key(termbox.KeyF11) + KeyF12 = Key(termbox.KeyF12) + KeyInsert = Key(termbox.KeyInsert) + KeyDelete = Key(termbox.KeyDelete) + KeyHome = Key(termbox.KeyHome) + KeyEnd = Key(termbox.KeyEnd) + KeyPgup = Key(termbox.KeyPgup) + KeyPgdn = Key(termbox.KeyPgdn) + KeyArrowUp = Key(termbox.KeyArrowUp) + KeyArrowDown = Key(termbox.KeyArrowDown) + KeyArrowLeft = Key(termbox.KeyArrowLeft) + KeyArrowRight = Key(termbox.KeyArrowRight) + + MouseLeft = Key(termbox.MouseLeft) + MouseMiddle = Key(termbox.MouseMiddle) + MouseRight = Key(termbox.MouseRight) +) + +// Keys combinations. +const ( + KeyCtrlTilde Key = Key(termbox.KeyCtrlTilde) + KeyCtrl2 = Key(termbox.KeyCtrl2) + KeyCtrlSpace = Key(termbox.KeyCtrlSpace) + KeyCtrlA = Key(termbox.KeyCtrlA) + KeyCtrlB = Key(termbox.KeyCtrlB) + KeyCtrlC = Key(termbox.KeyCtrlC) + KeyCtrlD = Key(termbox.KeyCtrlD) + KeyCtrlE = Key(termbox.KeyCtrlE) + KeyCtrlF = Key(termbox.KeyCtrlF) + KeyCtrlG = Key(termbox.KeyCtrlG) + KeyBackspace = Key(termbox.KeyBackspace) + KeyCtrlH = Key(termbox.KeyCtrlH) + KeyTab = Key(termbox.KeyTab) + KeyCtrlI = Key(termbox.KeyCtrlI) + KeyCtrlJ = Key(termbox.KeyCtrlJ) + KeyCtrlK = Key(termbox.KeyCtrlK) + KeyCtrlL = Key(termbox.KeyCtrlL) + KeyEnter = Key(termbox.KeyEnter) + KeyCtrlM = Key(termbox.KeyCtrlM) + KeyCtrlN = Key(termbox.KeyCtrlN) + KeyCtrlO = Key(termbox.KeyCtrlO) + KeyCtrlP = Key(termbox.KeyCtrlP) + KeyCtrlQ = Key(termbox.KeyCtrlQ) + KeyCtrlR = Key(termbox.KeyCtrlR) + KeyCtrlS = Key(termbox.KeyCtrlS) + KeyCtrlT = Key(termbox.KeyCtrlT) + KeyCtrlU = Key(termbox.KeyCtrlU) + KeyCtrlV = Key(termbox.KeyCtrlV) + KeyCtrlW = Key(termbox.KeyCtrlW) + KeyCtrlX = Key(termbox.KeyCtrlX) + KeyCtrlY = Key(termbox.KeyCtrlY) + KeyCtrlZ = Key(termbox.KeyCtrlZ) + KeyEsc = Key(termbox.KeyEsc) + KeyCtrlLsqBracket = Key(termbox.KeyCtrlLsqBracket) + KeyCtrl3 = Key(termbox.KeyCtrl3) + KeyCtrl4 = Key(termbox.KeyCtrl4) + KeyCtrlBackslash = Key(termbox.KeyCtrlBackslash) + KeyCtrl5 = Key(termbox.KeyCtrl5) + KeyCtrlRsqBracket = Key(termbox.KeyCtrlRsqBracket) + KeyCtrl6 = Key(termbox.KeyCtrl6) + KeyCtrl7 = Key(termbox.KeyCtrl7) + KeyCtrlSlash = Key(termbox.KeyCtrlSlash) + KeyCtrlUnderscore = Key(termbox.KeyCtrlUnderscore) + KeySpace = Key(termbox.KeySpace) + KeyBackspace2 = Key(termbox.KeyBackspace2) + KeyCtrl8 = Key(termbox.KeyCtrl8) +) + +// Modifiers. +const ( + ModNone Modifier = Modifier(0) + ModAlt = Modifier(termbox.ModAlt) +) + +// Keybidings are used to link a given key-press event with a handler. +type keybinding struct { + viewName string + key Key + ch rune + mod Modifier + h KeybindingHandler +} + +// newKeybinding returns a new Keybinding object. +func newKeybinding(viewname string, key Key, ch rune, mod Modifier, h KeybindingHandler) (kb *keybinding) { + kb = &keybinding{ + viewName: viewname, + key: key, + ch: ch, + mod: mod, + h: h, + } + return kb +} + +// matchKeypress returns if the keybinding matches the keypress. +func (kb *keybinding) matchKeypress(key Key, ch rune, mod Modifier) bool { + return kb.key == key && kb.ch == ch && kb.mod == mod +} + +// matchView returns if the keybinding matches the current view. +func (kb *keybinding) matchView(v *View) bool { + if kb.viewName == "" { + return true + } + return v != nil && kb.viewName == v.name +} diff --git a/vendor/github.com/jroimartin/gocui/view.go b/vendor/github.com/jroimartin/gocui/view.go new file mode 100644 index 00000000..f8d86940 --- /dev/null +++ b/vendor/github.com/jroimartin/gocui/view.go @@ -0,0 +1,474 @@ +// Copyright 2014 The gocui Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package gocui + +import ( + "bytes" + "errors" + "io" + "strings" + + "github.com/nsf/termbox-go" +) + +// A View is a window. It maintains its own internal buffer and cursor +// position. +type View struct { + name string + x0, y0, x1, y1 int + ox, oy int + cx, cy int + lines [][]cell + readOffset int + readCache string + + tainted bool // marks if the viewBuffer must be updated + viewLines []viewLine // internal representation of the view's buffer + + ei *escapeInterpreter // used to decode ESC sequences on Write + + // BgColor and FgColor allow to configure the background and foreground + // colors of the View. + BgColor, FgColor Attribute + + // SelBgColor and SelFgColor are used to configure the background and + // foreground colors of the selected line, when it is highlighted. + SelBgColor, SelFgColor Attribute + + // If Editable is true, keystrokes will be added to the view's internal + // buffer at the cursor position. + Editable bool + + // Overwrite enables or disables the overwrite mode of the view. + Overwrite bool + + // If Highlight is true, Sel{Bg,Fg}Colors will be used + // for the line under the cursor position. + Highlight bool + + // If Frame is true, a border will be drawn around the view. + Frame bool + + // If Wrap is true, the content that is written to this View is + // automatically wrapped when it is longer than its width. If true the + // view's x-origin will be ignored. + Wrap bool + + // If Autoscroll is true, the View will automatically scroll down when the + // text overflows. If true the view's y-origin will be ignored. + Autoscroll bool + + // If Frame is true, Title allows to configure a title for the view. + Title string + + // If Mask is true, the View will display the mask instead of the real + // content + Mask rune +} + +type viewLine struct { + linesX, linesY int // coordinates relative to v.lines + line []cell +} + +type cell struct { + chr rune + bgColor, fgColor Attribute +} + +type lineType []cell + +// String returns a string from a given cell slice. +func (l lineType) String() string { + str := "" + for _, c := range l { + str += string(c.chr) + } + return str +} + +// newView returns a new View object. +func newView(name string, x0, y0, x1, y1 int) *View { + v := &View{ + name: name, + x0: x0, + y0: y0, + x1: x1, + y1: y1, + Frame: true, + tainted: true, + ei: newEscapeInterpreter(), + } + return v +} + +// Size returns the number of visible columns and rows in the View. +func (v *View) Size() (x, y int) { + return v.x1 - v.x0 - 1, v.y1 - v.y0 - 1 +} + +// Name returns the name of the view. +func (v *View) Name() string { + return v.name +} + +// setRune sets a rune at the given point relative to the view. It applies the +// specified colors, taking into account if the cell must be highlighted. Also, +// it checks if the position is valid. +func (v *View) setRune(x, y int, ch rune, fgColor, bgColor Attribute) error { + maxX, maxY := v.Size() + if x < 0 || x >= maxX || y < 0 || y >= maxY { + return errors.New("invalid point") + } + + var ( + ry, rcy int + err error + ) + if v.Highlight { + _, ry, err = v.realPosition(x, y) + if err != nil { + return err + } + _, rcy, err = v.realPosition(v.cx, v.cy) + if err != nil { + return err + } + } + + if v.Mask != 0 { + fgColor = v.FgColor + bgColor = v.BgColor + ch = v.Mask + } else if v.Highlight && ry == rcy { + fgColor = v.SelFgColor + bgColor = v.SelBgColor + } + + termbox.SetCell(v.x0+x+1, v.y0+y+1, ch, + termbox.Attribute(fgColor), termbox.Attribute(bgColor)) + + return nil +} + +// SetCursor sets the cursor position of the view at the given point, +// relative to the view. It checks if the position is valid. +func (v *View) SetCursor(x, y int) error { + maxX, maxY := v.Size() + if x < 0 || x >= maxX || y < 0 || y >= maxY { + return errors.New("invalid point") + } + v.cx = x + v.cy = y + return nil +} + +// Cursor returns the cursor position of the view. +func (v *View) Cursor() (x, y int) { + return v.cx, v.cy +} + +// SetOrigin sets the origin position of the view's internal buffer, +// so the buffer starts to be printed from this point, which means that +// it is linked with the origin point of view. It can be used to +// implement Horizontal and Vertical scrolling with just incrementing +// or decrementing ox and oy. +func (v *View) SetOrigin(x, y int) error { + if x < 0 || y < 0 { + return errors.New("invalid point") + } + v.ox = x + v.oy = y + return nil +} + +// Origin returns the origin position of the view. +func (v *View) Origin() (x, y int) { + return v.ox, v.oy +} + +// Write appends a byte slice into the view's internal buffer. Because +// View implements the io.Writer interface, it can be passed as parameter +// of functions like fmt.Fprintf, fmt.Fprintln, io.Copy, etc. Clear must +// be called to clear the view's buffer. +func (v *View) Write(p []byte) (n int, err error) { + v.tainted = true + + for _, ch := range bytes.Runes(p) { + switch ch { + case '\n': + v.lines = append(v.lines, nil) + case '\r': + nl := len(v.lines) + if nl > 0 { + v.lines[nl-1] = nil + } else { + v.lines = make([][]cell, 1) + } + default: + cells := v.parseInput(ch) + if cells == nil { + continue + } + + nl := len(v.lines) + if nl > 0 { + v.lines[nl-1] = append(v.lines[nl-1], cells...) + } else { + v.lines = append(v.lines, cells) + } + } + } + return len(p), nil +} + +// parseInput parses char by char the input written to the View. It returns nil +// while processing ESC sequences. Otherwise, it returns a cell slice that +// contains the processed data. +func (v *View) parseInput(ch rune) []cell { + cells := []cell{} + + isEscape, err := v.ei.parseOne(ch) + if err != nil { + for _, r := range v.ei.runes() { + c := cell{ + fgColor: v.FgColor, + bgColor: v.BgColor, + chr: r, + } + cells = append(cells, c) + } + v.ei.reset() + } else { + if isEscape { + return nil + } + c := cell{ + fgColor: v.ei.curFgColor, + bgColor: v.ei.curBgColor, + chr: ch, + } + cells = append(cells, c) + } + + return cells +} + +// Read reads data into p. It returns the number of bytes read into p. +// At EOF, err will be io.EOF. Calling Read() after Rewind() makes the +// cache to be refreshed with the contents of the view. +func (v *View) Read(p []byte) (n int, err error) { + if v.readOffset == 0 { + v.readCache = v.Buffer() + } + if v.readOffset < len(v.readCache) { + n = copy(p, v.readCache[v.readOffset:]) + v.readOffset += n + } else { + err = io.EOF + } + return +} + +// Rewind sets the offset for the next Read to 0, which also refresh the +// read cache. +func (v *View) Rewind() { + v.readOffset = 0 +} + +// draw re-draws the view's contents. +func (v *View) draw() error { + maxX, maxY := v.Size() + + if v.Wrap { + if maxX == 0 { + return errors.New("X size of the view cannot be 0") + } + v.ox = 0 + } + if v.tainted { + v.viewLines = nil + for i, line := range v.lines { + if v.Wrap { + if len(line) <= maxX { + vline := viewLine{linesX: 0, linesY: i, line: line} + v.viewLines = append(v.viewLines, vline) + continue + } else { + vline := viewLine{linesX: 0, linesY: i, line: line[:maxX]} + v.viewLines = append(v.viewLines, vline) + } + // Append remaining lines + for n := maxX; n < len(line); n += maxX { + if len(line[n:]) <= maxX { + vline := viewLine{linesX: n, linesY: i, line: line[n:]} + v.viewLines = append(v.viewLines, vline) + } else { + vline := viewLine{linesX: n, linesY: i, line: line[n : n+maxX]} + v.viewLines = append(v.viewLines, vline) + } + } + } else { + vline := viewLine{linesX: 0, linesY: i, line: line} + v.viewLines = append(v.viewLines, vline) + } + } + v.tainted = false + } + + if v.Autoscroll && len(v.viewLines) > maxY { + v.oy = len(v.viewLines) - maxY + } + y := 0 + for i, vline := range v.viewLines { + if i < v.oy { + continue + } + if y >= maxY { + break + } + x := 0 + for j, c := range vline.line { + if j < v.ox { + continue + } + if x >= maxX { + break + } + + fgColor := c.fgColor + if fgColor == ColorDefault { + fgColor = v.FgColor + } + bgColor := c.bgColor + if bgColor == ColorDefault { + bgColor = v.BgColor + } + + if err := v.setRune(x, y, c.chr, fgColor, bgColor); err != nil { + return err + } + x++ + } + y++ + } + return nil +} + +// realPosition returns the position in the internal buffer corresponding to the +// point (x, y) of the view. +func (v *View) realPosition(vx, vy int) (x, y int, err error) { + vx = v.ox + vx + vy = v.oy + vy + + if vx < 0 || vy < 0 { + return 0, 0, errors.New("invalid point") + } + + if len(v.viewLines) == 0 { + return vx, vy, nil + } + + if vy < len(v.viewLines) { + vline := v.viewLines[vy] + x = vline.linesX + vx + y = vline.linesY + } else { + vline := v.viewLines[len(v.viewLines)-1] + x = vx + y = vline.linesY + vy - len(v.viewLines) + 1 + } + + return x, y, nil +} + +// Clear empties the view's internal buffer. +func (v *View) Clear() { + v.tainted = true + + v.lines = nil + v.clearRunes() +} + +// clearRunes erases all the cells in the view. +func (v *View) clearRunes() { + maxX, maxY := v.Size() + for x := 0; x < maxX; x++ { + for y := 0; y < maxY; y++ { + termbox.SetCell(v.x0+x+1, v.y0+y+1, ' ', + termbox.Attribute(v.FgColor), termbox.Attribute(v.BgColor)) + } + } +} + +// Buffer returns a string with the contents of the view's internal +// buffer. +func (v *View) Buffer() string { + str := "" + for _, l := range v.lines { + str += lineType(l).String() + "\n" + } + return strings.Replace(str, "\x00", " ", -1) +} + +// ViewBuffer returns a string with the contents of the view's buffer that is +// shown to the user. +func (v *View) ViewBuffer() string { + str := "" + for _, l := range v.viewLines { + str += lineType(l.line).String() + "\n" + } + return strings.Replace(str, "\x00", " ", -1) +} + +// Line returns a string with the line of the view's internal buffer +// at the position corresponding to the point (x, y). +func (v *View) Line(y int) (string, error) { + _, y, err := v.realPosition(0, y) + if err != nil { + return "", err + } + + if y < 0 || y >= len(v.lines) { + return "", errors.New("invalid point") + } + + return lineType(v.lines[y]).String(), nil +} + +// Word returns a string with the word of the view's internal buffer +// at the position corresponding to the point (x, y). +func (v *View) Word(x, y int) (string, error) { + x, y, err := v.realPosition(x, y) + if err != nil { + return "", err + } + + if x < 0 || y < 0 || y >= len(v.lines) || x >= len(v.lines[y]) { + return "", errors.New("invalid point") + } + + str := lineType(v.lines[y]).String() + + nl := strings.LastIndexFunc(str[:x], indexFunc) + if nl == -1 { + nl = 0 + } else { + nl = nl + 1 + } + nr := strings.IndexFunc(str[x:], indexFunc) + if nr == -1 { + nr = len(str) + } else { + nr = nr + x + } + return string(str[nl:nr]), nil +} + +// indexFunc allows to split lines by words taking into account spaces +// and 0. +func indexFunc(r rune) bool { + return r == ' ' || r == 0 +} diff --git a/vendor/github.com/mattn/go-runewidth/.travis.yml b/vendor/github.com/mattn/go-runewidth/.travis.yml new file mode 100644 index 00000000..5c9c2a30 --- /dev/null +++ b/vendor/github.com/mattn/go-runewidth/.travis.yml @@ -0,0 +1,8 @@ +language: go +go: + - tip +before_install: + - go get github.com/mattn/goveralls + - go get golang.org/x/tools/cmd/cover +script: + - $HOME/gopath/bin/goveralls -repotoken lAKAWPzcGsD3A8yBX3BGGtRUdJ6CaGERL diff --git a/vendor/github.com/mattn/go-runewidth/LICENSE b/vendor/github.com/mattn/go-runewidth/LICENSE new file mode 100644 index 00000000..91b5cef3 --- /dev/null +++ b/vendor/github.com/mattn/go-runewidth/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2016 Yasuhiro Matsumoto + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/vendor/github.com/mattn/go-runewidth/README.mkd b/vendor/github.com/mattn/go-runewidth/README.mkd new file mode 100644 index 00000000..66663a94 --- /dev/null +++ b/vendor/github.com/mattn/go-runewidth/README.mkd @@ -0,0 +1,27 @@ +go-runewidth +============ + +[](https://travis-ci.org/mattn/go-runewidth) +[](https://coveralls.io/r/mattn/go-runewidth?branch=HEAD) +[](http://godoc.org/github.com/mattn/go-runewidth) +[](https://goreportcard.com/report/github.com/mattn/go-runewidth) + +Provides functions to get fixed width of the character or string. + +Usage +----- + +```go +runewidth.StringWidth("つのだ☆HIRO") == 12 +``` + + +Author +------ + +Yasuhiro Matsumoto + +License +------- + +under the MIT License: http://mattn.mit-license.org/2013 diff --git a/vendor/github.com/mattn/go-runewidth/runewidth.go b/vendor/github.com/mattn/go-runewidth/runewidth.go new file mode 100644 index 00000000..2164497a --- /dev/null +++ b/vendor/github.com/mattn/go-runewidth/runewidth.go @@ -0,0 +1,1223 @@ +package runewidth + +var ( + // EastAsianWidth will be set true if the current locale is CJK + EastAsianWidth = IsEastAsian() + + // DefaultCondition is a condition in current locale + DefaultCondition = &Condition{EastAsianWidth} +) + +type interval struct { + first rune + last rune +} + +type table []interval + +func inTables(r rune, ts ...table) bool { + for _, t := range ts { + if inTable(r, t) { + return true + } + } + return false +} + +func inTable(r rune, t table) bool { + // func (t table) IncludesRune(r rune) bool { + if r < t[0].first { + return false + } + + bot := 0 + top := len(t) - 1 + for top >= bot { + mid := (bot + top) / 2 + + switch { + case t[mid].last < r: + bot = mid + 1 + case t[mid].first > r: + top = mid - 1 + default: + return true + } + } + + return false +} + +var private = table{ + {0x00E000, 0x00F8FF}, {0x0F0000, 0x0FFFFD}, {0x100000, 0x10FFFD}, +} + +var nonprint = table{ + {0x0000, 0x001F}, {0x007F, 0x009F}, {0x00AD, 0x00AD}, + {0x070F, 0x070F}, {0x180B, 0x180E}, {0x200B, 0x200F}, + {0x202A, 0x202E}, {0x206A, 0x206F}, {0xD800, 0xDFFF}, + {0xFEFF, 0xFEFF}, {0xFFF9, 0xFFFB}, {0xFFFE, 0xFFFF}, +} + +var combining = table{ + {0x0300, 0x036F}, {0x0483, 0x0489}, {0x0591, 0x05BD}, + {0x05BF, 0x05BF}, {0x05C1, 0x05C2}, {0x05C4, 0x05C5}, + {0x05C7, 0x05C7}, {0x0610, 0x061A}, {0x064B, 0x065F}, + {0x0670, 0x0670}, {0x06D6, 0x06DC}, {0x06DF, 0x06E4}, + {0x06E7, 0x06E8}, {0x06EA, 0x06ED}, {0x0711, 0x0711}, + {0x0730, 0x074A}, {0x07A6, 0x07B0}, {0x07EB, 0x07F3}, + {0x0816, 0x0819}, {0x081B, 0x0823}, {0x0825, 0x0827}, + {0x0829, 0x082D}, {0x0859, 0x085B}, {0x08D4, 0x08E1}, + {0x08E3, 0x0903}, {0x093A, 0x093C}, {0x093E, 0x094F}, + {0x0951, 0x0957}, {0x0962, 0x0963}, {0x0981, 0x0983}, + {0x09BC, 0x09BC}, {0x09BE, 0x09C4}, {0x09C7, 0x09C8}, + {0x09CB, 0x09CD}, {0x09D7, 0x09D7}, {0x09E2, 0x09E3}, + {0x0A01, 0x0A03}, {0x0A3C, 0x0A3C}, {0x0A3E, 0x0A42}, + {0x0A47, 0x0A48}, {0x0A4B, 0x0A4D}, {0x0A51, 0x0A51}, + {0x0A70, 0x0A71}, {0x0A75, 0x0A75}, {0x0A81, 0x0A83}, + {0x0ABC, 0x0ABC}, {0x0ABE, 0x0AC5}, {0x0AC7, 0x0AC9}, + {0x0ACB, 0x0ACD}, {0x0AE2, 0x0AE3}, {0x0B01, 0x0B03}, + {0x0B3C, 0x0B3C}, {0x0B3E, 0x0B44}, {0x0B47, 0x0B48}, + {0x0B4B, 0x0B4D}, {0x0B56, 0x0B57}, {0x0B62, 0x0B63}, + {0x0B82, 0x0B82}, {0x0BBE, 0x0BC2}, {0x0BC6, 0x0BC8}, + {0x0BCA, 0x0BCD}, {0x0BD7, 0x0BD7}, {0x0C00, 0x0C03}, + {0x0C3E, 0x0C44}, {0x0C46, 0x0C48}, {0x0C4A, 0x0C4D}, + {0x0C55, 0x0C56}, {0x0C62, 0x0C63}, {0x0C81, 0x0C83}, + {0x0CBC, 0x0CBC}, {0x0CBE, 0x0CC4}, {0x0CC6, 0x0CC8}, + {0x0CCA, 0x0CCD}, {0x0CD5, 0x0CD6}, {0x0CE2, 0x0CE3}, + {0x0D01, 0x0D03}, {0x0D3E, 0x0D44}, {0x0D46, 0x0D48}, + {0x0D4A, 0x0D4D}, {0x0D57, 0x0D57}, {0x0D62, 0x0D63}, + {0x0D82, 0x0D83}, {0x0DCA, 0x0DCA}, {0x0DCF, 0x0DD4}, + {0x0DD6, 0x0DD6}, {0x0DD8, 0x0DDF}, {0x0DF2, 0x0DF3}, + {0x0E31, 0x0E31}, {0x0E34, 0x0E3A}, {0x0E47, 0x0E4E}, + {0x0EB1, 0x0EB1}, {0x0EB4, 0x0EB9}, {0x0EBB, 0x0EBC}, + {0x0EC8, 0x0ECD}, {0x0F18, 0x0F19}, {0x0F35, 0x0F35}, + {0x0F37, 0x0F37}, {0x0F39, 0x0F39}, {0x0F3E, 0x0F3F}, + {0x0F71, 0x0F84}, {0x0F86, 0x0F87}, {0x0F8D, 0x0F97}, + {0x0F99, 0x0FBC}, {0x0FC6, 0x0FC6}, {0x102B, 0x103E}, + {0x1056, 0x1059}, {0x105E, 0x1060}, {0x1062, 0x1064}, + {0x1067, 0x106D}, {0x1071, 0x1074}, {0x1082, 0x108D}, + {0x108F, 0x108F}, {0x109A, 0x109D}, {0x135D, 0x135F}, + {0x1712, 0x1714}, {0x1732, 0x1734}, {0x1752, 0x1753}, + {0x1772, 0x1773}, {0x17B4, 0x17D3}, {0x17DD, 0x17DD}, + {0x180B, 0x180D}, {0x1885, 0x1886}, {0x18A9, 0x18A9}, + {0x1920, 0x192B}, {0x1930, 0x193B}, {0x1A17, 0x1A1B}, + {0x1A55, 0x1A5E}, {0x1A60, 0x1A7C}, {0x1A7F, 0x1A7F}, + {0x1AB0, 0x1ABE}, {0x1B00, 0x1B04}, {0x1B34, 0x1B44}, + {0x1B6B, 0x1B73}, {0x1B80, 0x1B82}, {0x1BA1, 0x1BAD}, + {0x1BE6, 0x1BF3}, {0x1C24, 0x1C37}, {0x1CD0, 0x1CD2}, + {0x1CD4, 0x1CE8}, {0x1CED, 0x1CED}, {0x1CF2, 0x1CF4}, + {0x1CF8, 0x1CF9}, {0x1DC0, 0x1DF5}, {0x1DFB, 0x1DFF}, + {0x20D0, 0x20F0}, {0x2CEF, 0x2CF1}, {0x2D7F, 0x2D7F}, + {0x2DE0, 0x2DFF}, {0x302A, 0x302F}, {0x3099, 0x309A}, + {0xA66F, 0xA672}, {0xA674, 0xA67D}, {0xA69E, 0xA69F}, + {0xA6F0, 0xA6F1}, {0xA802, 0xA802}, {0xA806, 0xA806}, + {0xA80B, 0xA80B}, {0xA823, 0xA827}, {0xA880, 0xA881}, + {0xA8B4, 0xA8C5}, {0xA8E0, 0xA8F1}, {0xA926, 0xA92D}, + {0xA947, 0xA953}, {0xA980, 0xA983}, {0xA9B3, 0xA9C0}, + {0xA9E5, 0xA9E5}, {0xAA29, 0xAA36}, {0xAA43, 0xAA43}, + {0xAA4C, 0xAA4D}, {0xAA7B, 0xAA7D}, {0xAAB0, 0xAAB0}, + {0xAAB2, 0xAAB4}, {0xAAB7, 0xAAB8}, {0xAABE, 0xAABF}, + {0xAAC1, 0xAAC1}, {0xAAEB, 0xAAEF}, {0xAAF5, 0xAAF6}, + {0xABE3, 0xABEA}, {0xABEC, 0xABED}, {0xFB1E, 0xFB1E}, + {0xFE00, 0xFE0F}, {0xFE20, 0xFE2F}, {0x101FD, 0x101FD}, + {0x102E0, 0x102E0}, {0x10376, 0x1037A}, {0x10A01, 0x10A03}, + {0x10A05, 0x10A06}, {0x10A0C, 0x10A0F}, {0x10A38, 0x10A3A}, + {0x10A3F, 0x10A3F}, {0x10AE5, 0x10AE6}, {0x11000, 0x11002}, + {0x11038, 0x11046}, {0x1107F, 0x11082}, {0x110B0, 0x110BA}, + {0x11100, 0x11102}, {0x11127, 0x11134}, {0x11173, 0x11173}, + {0x11180, 0x11182}, {0x111B3, 0x111C0}, {0x111CA, 0x111CC}, + {0x1122C, 0x11237}, {0x1123E, 0x1123E}, {0x112DF, 0x112EA}, + {0x11300, 0x11303}, {0x1133C, 0x1133C}, {0x1133E, 0x11344}, + {0x11347, 0x11348}, {0x1134B, 0x1134D}, {0x11357, 0x11357}, + {0x11362, 0x11363}, {0x11366, 0x1136C}, {0x11370, 0x11374}, + {0x11435, 0x11446}, {0x114B0, 0x114C3}, {0x115AF, 0x115B5}, + {0x115B8, 0x115C0}, {0x115DC, 0x115DD}, {0x11630, 0x11640}, + {0x116AB, 0x116B7}, {0x1171D, 0x1172B}, {0x11C2F, 0x11C36}, + {0x11C38, 0x11C3F}, {0x11C92, 0x11CA7}, {0x11CA9, 0x11CB6}, + {0x16AF0, 0x16AF4}, {0x16B30, 0x16B36}, {0x16F51, 0x16F7E}, + {0x16F8F, 0x16F92}, {0x1BC9D, 0x1BC9E}, {0x1D165, 0x1D169}, + {0x1D16D, 0x1D172}, {0x1D17B, 0x1D182}, {0x1D185, 0x1D18B}, + {0x1D1AA, 0x1D1AD}, {0x1D242, 0x1D244}, {0x1DA00, 0x1DA36}, + {0x1DA3B, 0x1DA6C}, {0x1DA75, 0x1DA75}, {0x1DA84, 0x1DA84}, + {0x1DA9B, 0x1DA9F}, {0x1DAA1, 0x1DAAF}, {0x1E000, 0x1E006}, + {0x1E008, 0x1E018}, {0x1E01B, 0x1E021}, {0x1E023, 0x1E024}, + {0x1E026, 0x1E02A}, {0x1E8D0, 0x1E8D6}, {0x1E944, 0x1E94A}, + {0xE0100, 0xE01EF}, +} + +var doublewidth = table{ + {0x1100, 0x115F}, {0x231A, 0x231B}, {0x2329, 0x232A}, + {0x23E9, 0x23EC}, {0x23F0, 0x23F0}, {0x23F3, 0x23F3}, + {0x25FD, 0x25FE}, {0x2614, 0x2615}, {0x2648, 0x2653}, + {0x267F, 0x267F}, {0x2693, 0x2693}, {0x26A1, 0x26A1}, + {0x26AA, 0x26AB}, {0x26BD, 0x26BE}, {0x26C4, 0x26C5}, + {0x26CE, 0x26CE}, {0x26D4, 0x26D4}, {0x26EA, 0x26EA}, + {0x26F2, 0x26F3}, {0x26F5, 0x26F5}, {0x26FA, 0x26FA}, + {0x26FD, 0x26FD}, {0x2705, 0x2705}, {0x270A, 0x270B}, + {0x2728, 0x2728}, {0x274C, 0x274C}, {0x274E, 0x274E}, + {0x2753, 0x2755}, {0x2757, 0x2757}, {0x2795, 0x2797}, + {0x27B0, 0x27B0}, {0x27BF, 0x27BF}, {0x2B1B, 0x2B1C}, + {0x2B50, 0x2B50}, {0x2B55, 0x2B55}, {0x2E80, 0x2E99}, + {0x2E9B, 0x2EF3}, {0x2F00, 0x2FD5}, {0x2FF0, 0x2FFB}, + {0x3000, 0x303E}, {0x3041, 0x3096}, {0x3099, 0x30FF}, + {0x3105, 0x312D}, {0x3131, 0x318E}, {0x3190, 0x31BA}, + {0x31C0, 0x31E3}, {0x31F0, 0x321E}, {0x3220, 0x3247}, + {0x3250, 0x32FE}, {0x3300, 0x4DBF}, {0x4E00, 0xA48C}, + {0xA490, 0xA4C6}, {0xA960, 0xA97C}, {0xAC00, 0xD7A3}, + {0xF900, 0xFAFF}, {0xFE10, 0xFE19}, {0xFE30, 0xFE52}, + {0xFE54, 0xFE66}, {0xFE68, 0xFE6B}, {0xFF01, 0xFF60}, + {0xFFE0, 0xFFE6}, {0x16FE0, 0x16FE0}, {0x17000, 0x187EC}, + {0x18800, 0x18AF2}, {0x1B000, 0x1B001}, {0x1F004, 0x1F004}, + {0x1F0CF, 0x1F0CF}, {0x1F18E, 0x1F18E}, {0x1F191, 0x1F19A}, + {0x1F200, 0x1F202}, {0x1F210, 0x1F23B}, {0x1F240, 0x1F248}, + {0x1F250, 0x1F251}, {0x1F300, 0x1F320}, {0x1F32D, 0x1F335}, + {0x1F337, 0x1F37C}, {0x1F37E, 0x1F393}, {0x1F3A0, 0x1F3CA}, + {0x1F3CF, 0x1F3D3}, {0x1F3E0, 0x1F3F0}, {0x1F3F4, 0x1F3F4}, + {0x1F3F8, 0x1F43E}, {0x1F440, 0x1F440}, {0x1F442, 0x1F4FC}, + {0x1F4FF, 0x1F53D}, {0x1F54B, 0x1F54E}, {0x1F550, 0x1F567}, + {0x1F57A, 0x1F57A}, {0x1F595, 0x1F596}, {0x1F5A4, 0x1F5A4}, + {0x1F5FB, 0x1F64F}, {0x1F680, 0x1F6C5}, {0x1F6CC, 0x1F6CC}, + {0x1F6D0, 0x1F6D2}, {0x1F6EB, 0x1F6EC}, {0x1F6F4, 0x1F6F6}, + {0x1F910, 0x1F91E}, {0x1F920, 0x1F927}, {0x1F930, 0x1F930}, + {0x1F933, 0x1F93E}, {0x1F940, 0x1F94B}, {0x1F950, 0x1F95E}, + {0x1F980, 0x1F991}, {0x1F9C0, 0x1F9C0}, {0x20000, 0x2FFFD}, + {0x30000, 0x3FFFD}, +} + +var ambiguous = table{ + {0x00A1, 0x00A1}, {0x00A4, 0x00A4}, {0x00A7, 0x00A8}, + {0x00AA, 0x00AA}, {0x00AD, 0x00AE}, {0x00B0, 0x00B4}, + {0x00B6, 0x00BA}, {0x00BC, 0x00BF}, {0x00C6, 0x00C6}, + {0x00D0, 0x00D0}, {0x00D7, 0x00D8}, {0x00DE, 0x00E1}, + {0x00E6, 0x00E6}, {0x00E8, 0x00EA}, {0x00EC, 0x00ED}, + {0x00F0, 0x00F0}, {0x00F2, 0x00F3}, {0x00F7, 0x00FA}, + {0x00FC, 0x00FC}, {0x00FE, 0x00FE}, {0x0101, 0x0101}, + {0x0111, 0x0111}, {0x0113, 0x0113}, {0x011B, 0x011B}, + {0x0126, 0x0127}, {0x012B, 0x012B}, {0x0131, 0x0133}, + {0x0138, 0x0138}, {0x013F, 0x0142}, {0x0144, 0x0144}, + {0x0148, 0x014B}, {0x014D, 0x014D}, {0x0152, 0x0153}, + {0x0166, 0x0167}, {0x016B, 0x016B}, {0x01CE, 0x01CE}, + {0x01D0, 0x01D0}, {0x01D2, 0x01D2}, {0x01D4, 0x01D4}, + {0x01D6, 0x01D6}, {0x01D8, 0x01D8}, {0x01DA, 0x01DA}, + {0x01DC, 0x01DC}, {0x0251, 0x0251}, {0x0261, 0x0261}, + {0x02C4, 0x02C4}, {0x02C7, 0x02C7}, {0x02C9, 0x02CB}, + {0x02CD, 0x02CD}, {0x02D0, 0x02D0}, {0x02D8, 0x02DB}, + {0x02DD, 0x02DD}, {0x02DF, 0x02DF}, {0x0300, 0x036F}, + {0x0391, 0x03A1}, {0x03A3, 0x03A9}, {0x03B1, 0x03C1}, + {0x03C3, 0x03C9}, {0x0401, 0x0401}, {0x0410, 0x044F}, + {0x0451, 0x0451}, {0x2010, 0x2010}, {0x2013, 0x2016}, + {0x2018, 0x2019}, {0x201C, 0x201D}, {0x2020, 0x2022}, + {0x2024, 0x2027}, {0x2030, 0x2030}, {0x2032, 0x2033}, + {0x2035, 0x2035}, {0x203B, 0x203B}, {0x203E, 0x203E}, + {0x2074, 0x2074}, {0x207F, 0x207F}, {0x2081, 0x2084}, + {0x20AC, 0x20AC}, {0x2103, 0x2103}, {0x2105, 0x2105}, + {0x2109, 0x2109}, {0x2113, 0x2113}, {0x2116, 0x2116}, + {0x2121, 0x2122}, {0x2126, 0x2126}, {0x212B, 0x212B}, + {0x2153, 0x2154}, {0x215B, 0x215E}, {0x2160, 0x216B}, + {0x2170, 0x2179}, {0x2189, 0x2189}, {0x2190, 0x2199}, + {0x21B8, 0x21B9}, {0x21D2, 0x21D2}, {0x21D4, 0x21D4}, + {0x21E7, 0x21E7}, {0x2200, 0x2200}, {0x2202, 0x2203}, + {0x2207, 0x2208}, {0x220B, 0x220B}, {0x220F, 0x220F}, + {0x2211, 0x2211}, {0x2215, 0x2215}, {0x221A, 0x221A}, + {0x221D, 0x2220}, {0x2223, 0x2223}, {0x2225, 0x2225}, + {0x2227, 0x222C}, {0x222E, 0x222E}, {0x2234, 0x2237}, + {0x223C, 0x223D}, {0x2248, 0x2248}, {0x224C, 0x224C}, + {0x2252, 0x2252}, {0x2260, 0x2261}, {0x2264, 0x2267}, + {0x226A, 0x226B}, {0x226E, 0x226F}, {0x2282, 0x2283}, + {0x2286, 0x2287}, {0x2295, 0x2295}, {0x2299, 0x2299}, + {0x22A5, 0x22A5}, {0x22BF, 0x22BF}, {0x2312, 0x2312}, + {0x2460, 0x24E9}, {0x24EB, 0x254B}, {0x2550, 0x2573}, + {0x2580, 0x258F}, {0x2592, 0x2595}, {0x25A0, 0x25A1}, + {0x25A3, 0x25A9}, {0x25B2, 0x25B3}, {0x25B6, 0x25B7}, + {0x25BC, 0x25BD}, {0x25C0, 0x25C1}, {0x25C6, 0x25C8}, + {0x25CB, 0x25CB}, {0x25CE, 0x25D1}, {0x25E2, 0x25E5}, + {0x25EF, 0x25EF}, {0x2605, 0x2606}, {0x2609, 0x2609}, + {0x260E, 0x260F}, {0x261C, 0x261C}, {0x261E, 0x261E}, + {0x2640, 0x2640}, {0x2642, 0x2642}, {0x2660, 0x2661}, + {0x2663, 0x2665}, {0x2667, 0x266A}, {0x266C, 0x266D}, + {0x266F, 0x266F}, {0x269E, 0x269F}, {0x26BF, 0x26BF}, + {0x26C6, 0x26CD}, {0x26CF, 0x26D3}, {0x26D5, 0x26E1}, + {0x26E3, 0x26E3}, {0x26E8, 0x26E9}, {0x26EB, 0x26F1}, + {0x26F4, 0x26F4}, {0x26F6, 0x26F9}, {0x26FB, 0x26FC}, + {0x26FE, 0x26FF}, {0x273D, 0x273D}, {0x2776, 0x277F}, + {0x2B56, 0x2B59}, {0x3248, 0x324F}, {0xE000, 0xF8FF}, + {0xFE00, 0xFE0F}, {0xFFFD, 0xFFFD}, {0x1F100, 0x1F10A}, + {0x1F110, 0x1F12D}, {0x1F130, 0x1F169}, {0x1F170, 0x1F18D}, + {0x1F18F, 0x1F190}, {0x1F19B, 0x1F1AC}, {0xE0100, 0xE01EF}, + {0xF0000, 0xFFFFD}, {0x100000, 0x10FFFD}, +} + +var emoji = table{ + {0x1F1E6, 0x1F1FF}, {0x1F321, 0x1F321}, {0x1F324, 0x1F32C}, + {0x1F336, 0x1F336}, {0x1F37D, 0x1F37D}, {0x1F396, 0x1F397}, + {0x1F399, 0x1F39B}, {0x1F39E, 0x1F39F}, {0x1F3CB, 0x1F3CE}, + {0x1F3D4, 0x1F3DF}, {0x1F3F3, 0x1F3F5}, {0x1F3F7, 0x1F3F7}, + {0x1F43F, 0x1F43F}, {0x1F441, 0x1F441}, {0x1F4FD, 0x1F4FD}, + {0x1F549, 0x1F54A}, {0x1F56F, 0x1F570}, {0x1F573, 0x1F579}, + {0x1F587, 0x1F587}, {0x1F58A, 0x1F58D}, {0x1F590, 0x1F590}, + {0x1F5A5, 0x1F5A5}, {0x1F5A8, 0x1F5A8}, {0x1F5B1, 0x1F5B2}, + {0x1F5BC, 0x1F5BC}, {0x1F5C2, 0x1F5C4}, {0x1F5D1, 0x1F5D3}, + {0x1F5DC, 0x1F5DE}, {0x1F5E1, 0x1F5E1}, {0x1F5E3, 0x1F5E3}, + {0x1F5E8, 0x1F5E8}, {0x1F5EF, 0x1F5EF}, {0x1F5F3, 0x1F5F3}, + {0x1F5FA, 0x1F5FA}, {0x1F6CB, 0x1F6CF}, {0x1F6E0, 0x1F6E5}, + {0x1F6E9, 0x1F6E9}, {0x1F6F0, 0x1F6F0}, {0x1F6F3, 0x1F6F3}, +} + +var notassigned = table{ + {0x0378, 0x0379}, {0x0380, 0x0383}, {0x038B, 0x038B}, + {0x038D, 0x038D}, {0x03A2, 0x03A2}, {0x0530, 0x0530}, + {0x0557, 0x0558}, {0x0560, 0x0560}, {0x0588, 0x0588}, + {0x058B, 0x058C}, {0x0590, 0x0590}, {0x05C8, 0x05CF}, + {0x05EB, 0x05EF}, {0x05F5, 0x05FF}, {0x061D, 0x061D}, + {0x070E, 0x070E}, {0x074B, 0x074C}, {0x07B2, 0x07BF}, + {0x07FB, 0x07FF}, {0x082E, 0x082F}, {0x083F, 0x083F}, + {0x085C, 0x085D}, {0x085F, 0x089F}, {0x08B5, 0x08B5}, + {0x08BE, 0x08D3}, {0x0984, 0x0984}, {0x098D, 0x098E}, + {0x0991, 0x0992}, {0x09A9, 0x09A9}, {0x09B1, 0x09B1}, + {0x09B3, 0x09B5}, {0x09BA, 0x09BB}, {0x09C5, 0x09C6}, + {0x09C9, 0x09CA}, {0x09CF, 0x09D6}, {0x09D8, 0x09DB}, + {0x09DE, 0x09DE}, {0x09E4, 0x09E5}, {0x09FC, 0x0A00}, + {0x0A04, 0x0A04}, {0x0A0B, 0x0A0E}, {0x0A11, 0x0A12}, + {0x0A29, 0x0A29}, {0x0A31, 0x0A31}, {0x0A34, 0x0A34}, + {0x0A37, 0x0A37}, {0x0A3A, 0x0A3B}, {0x0A3D, 0x0A3D}, + {0x0A43, 0x0A46}, {0x0A49, 0x0A4A}, {0x0A4E, 0x0A50}, + {0x0A52, 0x0A58}, {0x0A5D, 0x0A5D}, {0x0A5F, 0x0A65}, + {0x0A76, 0x0A80}, {0x0A84, 0x0A84}, {0x0A8E, 0x0A8E}, + {0x0A92, 0x0A92}, {0x0AA9, 0x0AA9}, {0x0AB1, 0x0AB1}, + {0x0AB4, 0x0AB4}, {0x0ABA, 0x0ABB}, {0x0AC6, 0x0AC6}, + {0x0ACA, 0x0ACA}, {0x0ACE, 0x0ACF}, {0x0AD1, 0x0ADF}, + {0x0AE4, 0x0AE5}, {0x0AF2, 0x0AF8}, {0x0AFA, 0x0B00}, + {0x0B04, 0x0B04}, {0x0B0D, 0x0B0E}, {0x0B11, 0x0B12}, + {0x0B29, 0x0B29}, {0x0B31, 0x0B31}, {0x0B34, 0x0B34}, + {0x0B3A, 0x0B3B}, {0x0B45, 0x0B46}, {0x0B49, 0x0B4A}, + {0x0B4E, 0x0B55}, {0x0B58, 0x0B5B}, {0x0B5E, 0x0B5E}, + {0x0B64, 0x0B65}, {0x0B78, 0x0B81}, {0x0B84, 0x0B84}, + {0x0B8B, 0x0B8D}, {0x0B91, 0x0B91}, {0x0B96, 0x0B98}, + {0x0B9B, 0x0B9B}, {0x0B9D, 0x0B9D}, {0x0BA0, 0x0BA2}, + {0x0BA5, 0x0BA7}, {0x0BAB, 0x0BAD}, {0x0BBA, 0x0BBD}, + {0x0BC3, 0x0BC5}, {0x0BC9, 0x0BC9}, {0x0BCE, 0x0BCF}, + {0x0BD1, 0x0BD6}, {0x0BD8, 0x0BE5}, {0x0BFB, 0x0BFF}, + {0x0C04, 0x0C04}, {0x0C0D, 0x0C0D}, {0x0C11, 0x0C11}, + {0x0C29, 0x0C29}, {0x0C3A, 0x0C3C}, {0x0C45, 0x0C45}, + {0x0C49, 0x0C49}, {0x0C4E, 0x0C54}, {0x0C57, 0x0C57}, + {0x0C5B, 0x0C5F}, {0x0C64, 0x0C65}, {0x0C70, 0x0C77}, + {0x0C84, 0x0C84}, {0x0C8D, 0x0C8D}, {0x0C91, 0x0C91}, + {0x0CA9, 0x0CA9}, {0x0CB4, 0x0CB4}, {0x0CBA, 0x0CBB}, + {0x0CC5, 0x0CC5}, {0x0CC9, 0x0CC9}, {0x0CCE, 0x0CD4}, + {0x0CD7, 0x0CDD}, {0x0CDF, 0x0CDF}, {0x0CE4, 0x0CE5}, + {0x0CF0, 0x0CF0}, {0x0CF3, 0x0D00}, {0x0D04, 0x0D04}, + {0x0D0D, 0x0D0D}, {0x0D11, 0x0D11}, {0x0D3B, 0x0D3C}, + {0x0D45, 0x0D45}, {0x0D49, 0x0D49}, {0x0D50, 0x0D53}, + {0x0D64, 0x0D65}, {0x0D80, 0x0D81}, {0x0D84, 0x0D84}, + {0x0D97, 0x0D99}, {0x0DB2, 0x0DB2}, {0x0DBC, 0x0DBC}, + {0x0DBE, 0x0DBF}, {0x0DC7, 0x0DC9}, {0x0DCB, 0x0DCE}, + {0x0DD5, 0x0DD5}, {0x0DD7, 0x0DD7}, {0x0DE0, 0x0DE5}, + {0x0DF0, 0x0DF1}, {0x0DF5, 0x0E00}, {0x0E3B, 0x0E3E}, + {0x0E5C, 0x0E80}, {0x0E83, 0x0E83}, {0x0E85, 0x0E86}, + {0x0E89, 0x0E89}, {0x0E8B, 0x0E8C}, {0x0E8E, 0x0E93}, + {0x0E98, 0x0E98}, {0x0EA0, 0x0EA0}, {0x0EA4, 0x0EA4}, + {0x0EA6, 0x0EA6}, {0x0EA8, 0x0EA9}, {0x0EAC, 0x0EAC}, + {0x0EBA, 0x0EBA}, {0x0EBE, 0x0EBF}, {0x0EC5, 0x0EC5}, + {0x0EC7, 0x0EC7}, {0x0ECE, 0x0ECF}, {0x0EDA, 0x0EDB}, + {0x0EE0, 0x0EFF}, {0x0F48, 0x0F48}, {0x0F6D, 0x0F70}, + {0x0F98, 0x0F98}, {0x0FBD, 0x0FBD}, {0x0FCD, 0x0FCD}, + {0x0FDB, 0x0FFF}, {0x10C6, 0x10C6}, {0x10C8, 0x10CC}, + {0x10CE, 0x10CF}, {0x1249, 0x1249}, {0x124E, 0x124F}, + {0x1257, 0x1257}, {0x1259, 0x1259}, {0x125E, 0x125F}, + {0x1289, 0x1289}, {0x128E, 0x128F}, {0x12B1, 0x12B1}, + {0x12B6, 0x12B7}, {0x12BF, 0x12BF}, {0x12C1, 0x12C1}, + {0x12C6, 0x12C7}, {0x12D7, 0x12D7}, {0x1311, 0x1311}, + {0x1316, 0x1317}, {0x135B, 0x135C}, {0x137D, 0x137F}, + {0x139A, 0x139F}, {0x13F6, 0x13F7}, {0x13FE, 0x13FF}, + {0x169D, 0x169F}, {0x16F9, 0x16FF}, {0x170D, 0x170D}, + {0x1715, 0x171F}, {0x1737, 0x173F}, {0x1754, 0x175F}, + {0x176D, 0x176D}, {0x1771, 0x1771}, {0x1774, 0x177F}, + {0x17DE, 0x17DF}, {0x17EA, 0x17EF}, {0x17FA, 0x17FF}, + {0x180F, 0x180F}, {0x181A, 0x181F}, {0x1878, 0x187F}, + {0x18AB, 0x18AF}, {0x18F6, 0x18FF}, {0x191F, 0x191F}, + {0x192C, 0x192F}, {0x193C, 0x193F}, {0x1941, 0x1943}, + {0x196E, 0x196F}, {0x1975, 0x197F}, {0x19AC, 0x19AF}, + {0x19CA, 0x19CF}, {0x19DB, 0x19DD}, {0x1A1C, 0x1A1D}, + {0x1A5F, 0x1A5F}, {0x1A7D, 0x1A7E}, {0x1A8A, 0x1A8F}, + {0x1A9A, 0x1A9F}, {0x1AAE, 0x1AAF}, {0x1ABF, 0x1AFF}, + {0x1B4C, 0x1B4F}, {0x1B7D, 0x1B7F}, {0x1BF4, 0x1BFB}, + {0x1C38, 0x1C3A}, {0x1C4A, 0x1C4C}, {0x1C89, 0x1CBF}, + {0x1CC8, 0x1CCF}, {0x1CF7, 0x1CF7}, {0x1CFA, 0x1CFF}, + {0x1DF6, 0x1DFA}, {0x1F16, 0x1F17}, {0x1F1E, 0x1F1F}, + {0x1F46, 0x1F47}, {0x1F4E, 0x1F4F}, {0x1F58, 0x1F58}, + {0x1F5A, 0x1F5A}, {0x1F5C, 0x1F5C}, {0x1F5E, 0x1F5E}, + {0x1F7E, 0x1F7F}, {0x1FB5, 0x1FB5}, {0x1FC5, 0x1FC5}, + {0x1FD4, 0x1FD5}, {0x1FDC, 0x1FDC}, {0x1FF0, 0x1FF1}, + {0x1FF5, 0x1FF5}, {0x1FFF, 0x1FFF}, {0x2065, 0x2065}, + {0x2072, 0x2073}, {0x208F, 0x208F}, {0x209D, 0x209F}, + {0x20BF, 0x20CF}, {0x20F1, 0x20FF}, {0x218C, 0x218F}, + {0x23FF, 0x23FF}, {0x2427, 0x243F}, {0x244B, 0x245F}, + {0x2B74, 0x2B75}, {0x2B96, 0x2B97}, {0x2BBA, 0x2BBC}, + {0x2BC9, 0x2BC9}, {0x2BD2, 0x2BEB}, {0x2BF0, 0x2BFF}, + {0x2C2F, 0x2C2F}, {0x2C5F, 0x2C5F}, {0x2CF4, 0x2CF8}, + {0x2D26, 0x2D26}, {0x2D28, 0x2D2C}, {0x2D2E, 0x2D2F}, + {0x2D68, 0x2D6E}, {0x2D71, 0x2D7E}, {0x2D97, 0x2D9F}, + {0x2DA7, 0x2DA7}, {0x2DAF, 0x2DAF}, {0x2DB7, 0x2DB7}, + {0x2DBF, 0x2DBF}, {0x2DC7, 0x2DC7}, {0x2DCF, 0x2DCF}, + {0x2DD7, 0x2DD7}, {0x2DDF, 0x2DDF}, {0x2E45, 0x2E7F}, + {0x2E9A, 0x2E9A}, {0x2EF4, 0x2EFF}, {0x2FD6, 0x2FEF}, + {0x2FFC, 0x2FFF}, {0x3040, 0x3040}, {0x3097, 0x3098}, + {0x3100, 0x3104}, {0x312E, 0x3130}, {0x318F, 0x318F}, + {0x31BB, 0x31BF}, {0x31E4, 0x31EF}, {0x321F, 0x321F}, + {0x32FF, 0x32FF}, {0x4DB6, 0x4DBF}, {0x9FD6, 0x9FFF}, + {0xA48D, 0xA48F}, {0xA4C7, 0xA4CF}, {0xA62C, 0xA63F}, + {0xA6F8, 0xA6FF}, {0xA7AF, 0xA7AF}, {0xA7B8, 0xA7F6}, + {0xA82C, 0xA82F}, {0xA83A, 0xA83F}, {0xA878, 0xA87F}, + {0xA8C6, 0xA8CD}, {0xA8DA, 0xA8DF}, {0xA8FE, 0xA8FF}, + {0xA954, 0xA95E}, {0xA97D, 0xA97F}, {0xA9CE, 0xA9CE}, + {0xA9DA, 0xA9DD}, {0xA9FF, 0xA9FF}, {0xAA37, 0xAA3F}, + {0xAA4E, 0xAA4F}, {0xAA5A, 0xAA5B}, {0xAAC3, 0xAADA}, + {0xAAF7, 0xAB00}, {0xAB07, 0xAB08}, {0xAB0F, 0xAB10}, + {0xAB17, 0xAB1F}, {0xAB27, 0xAB27}, {0xAB2F, 0xAB2F}, + {0xAB66, 0xAB6F}, {0xABEE, 0xABEF}, {0xABFA, 0xABFF}, + {0xD7A4, 0xD7AF}, {0xD7C7, 0xD7CA}, {0xD7FC, 0xD7FF}, + {0xFA6E, 0xFA6F}, {0xFADA, 0xFAFF}, {0xFB07, 0xFB12}, + {0xFB18, 0xFB1C}, {0xFB37, 0xFB37}, {0xFB3D, 0xFB3D}, + {0xFB3F, 0xFB3F}, {0xFB42, 0xFB42}, {0xFB45, 0xFB45}, + {0xFBC2, 0xFBD2}, {0xFD40, 0xFD4F}, {0xFD90, 0xFD91}, + {0xFDC8, 0xFDEF}, {0xFDFE, 0xFDFF}, {0xFE1A, 0xFE1F}, + {0xFE53, 0xFE53}, {0xFE67, 0xFE67}, {0xFE6C, 0xFE6F}, + {0xFE75, 0xFE75}, {0xFEFD, 0xFEFE}, {0xFF00, 0xFF00}, + {0xFFBF, 0xFFC1}, {0xFFC8, 0xFFC9}, {0xFFD0, 0xFFD1}, + {0xFFD8, 0xFFD9}, {0xFFDD, 0xFFDF}, {0xFFE7, 0xFFE7}, + {0xFFEF, 0xFFF8}, {0xFFFE, 0xFFFF}, {0x1000C, 0x1000C}, + {0x10027, 0x10027}, {0x1003B, 0x1003B}, {0x1003E, 0x1003E}, + {0x1004E, 0x1004F}, {0x1005E, 0x1007F}, {0x100FB, 0x100FF}, + {0x10103, 0x10106}, {0x10134, 0x10136}, {0x1018F, 0x1018F}, + {0x1019C, 0x1019F}, {0x101A1, 0x101CF}, {0x101FE, 0x1027F}, + {0x1029D, 0x1029F}, {0x102D1, 0x102DF}, {0x102FC, 0x102FF}, + {0x10324, 0x1032F}, {0x1034B, 0x1034F}, {0x1037B, 0x1037F}, + {0x1039E, 0x1039E}, {0x103C4, 0x103C7}, {0x103D6, 0x103FF}, + {0x1049E, 0x1049F}, {0x104AA, 0x104AF}, {0x104D4, 0x104D7}, + {0x104FC, 0x104FF}, {0x10528, 0x1052F}, {0x10564, 0x1056E}, + {0x10570, 0x105FF}, {0x10737, 0x1073F}, {0x10756, 0x1075F}, + {0x10768, 0x107FF}, {0x10806, 0x10807}, {0x10809, 0x10809}, + {0x10836, 0x10836}, {0x10839, 0x1083B}, {0x1083D, 0x1083E}, + {0x10856, 0x10856}, {0x1089F, 0x108A6}, {0x108B0, 0x108DF}, + {0x108F3, 0x108F3}, {0x108F6, 0x108FA}, {0x1091C, 0x1091E}, + {0x1093A, 0x1093E}, {0x10940, 0x1097F}, {0x109B8, 0x109BB}, + {0x109D0, 0x109D1}, {0x10A04, 0x10A04}, {0x10A07, 0x10A0B}, + {0x10A14, 0x10A14}, {0x10A18, 0x10A18}, {0x10A34, 0x10A37}, + {0x10A3B, 0x10A3E}, {0x10A48, 0x10A4F}, {0x10A59, 0x10A5F}, + {0x10AA0, 0x10ABF}, {0x10AE7, 0x10AEA}, {0x10AF7, 0x10AFF}, + {0x10B36, 0x10B38}, {0x10B56, 0x10B57}, {0x10B73, 0x10B77}, + {0x10B92, 0x10B98}, {0x10B9D, 0x10BA8}, {0x10BB0, 0x10BFF}, + {0x10C49, 0x10C7F}, {0x10CB3, 0x10CBF}, {0x10CF3, 0x10CF9}, + {0x10D00, 0x10E5F}, {0x10E7F, 0x10FFF}, {0x1104E, 0x11051}, + {0x11070, 0x1107E}, {0x110C2, 0x110CF}, {0x110E9, 0x110EF}, + {0x110FA, 0x110FF}, {0x11135, 0x11135}, {0x11144, 0x1114F}, + {0x11177, 0x1117F}, {0x111CE, 0x111CF}, {0x111E0, 0x111E0}, + {0x111F5, 0x111FF}, {0x11212, 0x11212}, {0x1123F, 0x1127F}, + {0x11287, 0x11287}, {0x11289, 0x11289}, {0x1128E, 0x1128E}, + {0x1129E, 0x1129E}, {0x112AA, 0x112AF}, {0x112EB, 0x112EF}, + {0x112FA, 0x112FF}, {0x11304, 0x11304}, {0x1130D, 0x1130E}, + {0x11311, 0x11312}, {0x11329, 0x11329}, {0x11331, 0x11331}, + {0x11334, 0x11334}, {0x1133A, 0x1133B}, {0x11345, 0x11346}, + {0x11349, 0x1134A}, {0x1134E, 0x1134F}, {0x11351, 0x11356}, + {0x11358, 0x1135C}, {0x11364, 0x11365}, {0x1136D, 0x1136F}, + {0x11375, 0x113FF}, {0x1145A, 0x1145A}, {0x1145C, 0x1145C}, + {0x1145E, 0x1147F}, {0x114C8, 0x114CF}, {0x114DA, 0x1157F}, + {0x115B6, 0x115B7}, {0x115DE, 0x115FF}, {0x11645, 0x1164F}, + {0x1165A, 0x1165F}, {0x1166D, 0x1167F}, {0x116B8, 0x116BF}, + {0x116CA, 0x116FF}, {0x1171A, 0x1171C}, {0x1172C, 0x1172F}, + {0x11740, 0x1189F}, {0x118F3, 0x118FE}, {0x11900, 0x11ABF}, + {0x11AF9, 0x11BFF}, {0x11C09, 0x11C09}, {0x11C37, 0x11C37}, + {0x11C46, 0x11C4F}, {0x11C6D, 0x11C6F}, {0x11C90, 0x11C91}, + {0x11CA8, 0x11CA8}, {0x11CB7, 0x11FFF}, {0x1239A, 0x123FF}, + {0x1246F, 0x1246F}, {0x12475, 0x1247F}, {0x12544, 0x12FFF}, + {0x1342F, 0x143FF}, {0x14647, 0x167FF}, {0x16A39, 0x16A3F}, + {0x16A5F, 0x16A5F}, {0x16A6A, 0x16A6D}, {0x16A70, 0x16ACF}, + {0x16AEE, 0x16AEF}, {0x16AF6, 0x16AFF}, {0x16B46, 0x16B4F}, + {0x16B5A, 0x16B5A}, {0x16B62, 0x16B62}, {0x16B78, 0x16B7C}, + {0x16B90, 0x16EFF}, {0x16F45, 0x16F4F}, {0x16F7F, 0x16F8E}, + {0x16FA0, 0x16FDF}, {0x16FE1, 0x16FFF}, {0x187ED, 0x187FF}, + {0x18AF3, 0x1AFFF}, {0x1B002, 0x1BBFF}, {0x1BC6B, 0x1BC6F}, + {0x1BC7D, 0x1BC7F}, {0x1BC89, 0x1BC8F}, {0x1BC9A, 0x1BC9B}, + {0x1BCA4, 0x1CFFF}, {0x1D0F6, 0x1D0FF}, {0x1D127, 0x1D128}, + {0x1D1E9, 0x1D1FF}, {0x1D246, 0x1D2FF}, {0x1D357, 0x1D35F}, + {0x1D372, 0x1D3FF}, {0x1D455, 0x1D455}, {0x1D49D, 0x1D49D}, + {0x1D4A0, 0x1D4A1}, {0x1D4A3, 0x1D4A4}, {0x1D4A7, 0x1D4A8}, + {0x1D4AD, 0x1D4AD}, {0x1D4BA, 0x1D4BA}, {0x1D4BC, 0x1D4BC}, + {0x1D4C4, 0x1D4C4}, {0x1D506, 0x1D506}, {0x1D50B, 0x1D50C}, + {0x1D515, 0x1D515}, {0x1D51D, 0x1D51D}, {0x1D53A, 0x1D53A}, + {0x1D53F, 0x1D53F}, {0x1D545, 0x1D545}, {0x1D547, 0x1D549}, + {0x1D551, 0x1D551}, {0x1D6A6, 0x1D6A7}, {0x1D7CC, 0x1D7CD}, + {0x1DA8C, 0x1DA9A}, {0x1DAA0, 0x1DAA0}, {0x1DAB0, 0x1DFFF}, + {0x1E007, 0x1E007}, {0x1E019, 0x1E01A}, {0x1E022, 0x1E022}, + {0x1E025, 0x1E025}, {0x1E02B, 0x1E7FF}, {0x1E8C5, 0x1E8C6}, + {0x1E8D7, 0x1E8FF}, {0x1E94B, 0x1E94F}, {0x1E95A, 0x1E95D}, + {0x1E960, 0x1EDFF}, {0x1EE04, 0x1EE04}, {0x1EE20, 0x1EE20}, + {0x1EE23, 0x1EE23}, {0x1EE25, 0x1EE26}, {0x1EE28, 0x1EE28}, + {0x1EE33, 0x1EE33}, {0x1EE38, 0x1EE38}, {0x1EE3A, 0x1EE3A}, + {0x1EE3C, 0x1EE41}, {0x1EE43, 0x1EE46}, {0x1EE48, 0x1EE48}, + {0x1EE4A, 0x1EE4A}, {0x1EE4C, 0x1EE4C}, {0x1EE50, 0x1EE50}, + {0x1EE53, 0x1EE53}, {0x1EE55, 0x1EE56}, {0x1EE58, 0x1EE58}, + {0x1EE5A, 0x1EE5A}, {0x1EE5C, 0x1EE5C}, {0x1EE5E, 0x1EE5E}, + {0x1EE60, 0x1EE60}, {0x1EE63, 0x1EE63}, {0x1EE65, 0x1EE66}, + {0x1EE6B, 0x1EE6B}, {0x1EE73, 0x1EE73}, {0x1EE78, 0x1EE78}, + {0x1EE7D, 0x1EE7D}, {0x1EE7F, 0x1EE7F}, {0x1EE8A, 0x1EE8A}, + {0x1EE9C, 0x1EEA0}, {0x1EEA4, 0x1EEA4}, {0x1EEAA, 0x1EEAA}, + {0x1EEBC, 0x1EEEF}, {0x1EEF2, 0x1EFFF}, {0x1F02C, 0x1F02F}, + {0x1F094, 0x1F09F}, {0x1F0AF, 0x1F0B0}, {0x1F0C0, 0x1F0C0}, + {0x1F0D0, 0x1F0D0}, {0x1F0F6, 0x1F0FF}, {0x1F10D, 0x1F10F}, + {0x1F12F, 0x1F12F}, {0x1F16C, 0x1F16F}, {0x1F1AD, 0x1F1E5}, + {0x1F203, 0x1F20F}, {0x1F23C, 0x1F23F}, {0x1F249, 0x1F24F}, + {0x1F252, 0x1F2FF}, {0x1F6D3, 0x1F6DF}, {0x1F6ED, 0x1F6EF}, + {0x1F6F7, 0x1F6FF}, {0x1F774, 0x1F77F}, {0x1F7D5, 0x1F7FF}, + {0x1F80C, 0x1F80F}, {0x1F848, 0x1F84F}, {0x1F85A, 0x1F85F}, + {0x1F888, 0x1F88F}, {0x1F8AE, 0x1F90F}, {0x1F91F, 0x1F91F}, + {0x1F928, 0x1F92F}, {0x1F931, 0x1F932}, {0x1F93F, 0x1F93F}, + {0x1F94C, 0x1F94F}, {0x1F95F, 0x1F97F}, {0x1F992, 0x1F9BF}, + {0x1F9C1, 0x1FFFF}, {0x2A6D7, 0x2A6FF}, {0x2B735, 0x2B73F}, + {0x2B81E, 0x2B81F}, {0x2CEA2, 0x2F7FF}, {0x2FA1E, 0xE0000}, + {0xE0002, 0xE001F}, {0xE0080, 0xE00FF}, {0xE01F0, 0xEFFFF}, + {0xFFFFE, 0xFFFFF}, +} + +var neutral = table{ + {0x0000, 0x001F}, {0x007F, 0x007F}, {0x0080, 0x009F}, + {0x00A0, 0x00A0}, {0x00A9, 0x00A9}, {0x00AB, 0x00AB}, + {0x00B5, 0x00B5}, {0x00BB, 0x00BB}, {0x00C0, 0x00C5}, + {0x00C7, 0x00CF}, {0x00D1, 0x00D6}, {0x00D9, 0x00DD}, + {0x00E2, 0x00E5}, {0x00E7, 0x00E7}, {0x00EB, 0x00EB}, + {0x00EE, 0x00EF}, {0x00F1, 0x00F1}, {0x00F4, 0x00F6}, + {0x00FB, 0x00FB}, {0x00FD, 0x00FD}, {0x00FF, 0x00FF}, + {0x0100, 0x0100}, {0x0102, 0x0110}, {0x0112, 0x0112}, + {0x0114, 0x011A}, {0x011C, 0x0125}, {0x0128, 0x012A}, + {0x012C, 0x0130}, {0x0134, 0x0137}, {0x0139, 0x013E}, + {0x0143, 0x0143}, {0x0145, 0x0147}, {0x014C, 0x014C}, + {0x014E, 0x0151}, {0x0154, 0x0165}, {0x0168, 0x016A}, + {0x016C, 0x017F}, {0x0180, 0x01BA}, {0x01BB, 0x01BB}, + {0x01BC, 0x01BF}, {0x01C0, 0x01C3}, {0x01C4, 0x01CD}, + {0x01CF, 0x01CF}, {0x01D1, 0x01D1}, {0x01D3, 0x01D3}, + {0x01D5, 0x01D5}, {0x01D7, 0x01D7}, {0x01D9, 0x01D9}, + {0x01DB, 0x01DB}, {0x01DD, 0x024F}, {0x0250, 0x0250}, + {0x0252, 0x0260}, {0x0262, 0x0293}, {0x0294, 0x0294}, + {0x0295, 0x02AF}, {0x02B0, 0x02C1}, {0x02C2, 0x02C3}, + {0x02C5, 0x02C5}, {0x02C6, 0x02C6}, {0x02C8, 0x02C8}, + {0x02CC, 0x02CC}, {0x02CE, 0x02CF}, {0x02D1, 0x02D1}, + {0x02D2, 0x02D7}, {0x02DC, 0x02DC}, {0x02DE, 0x02DE}, + {0x02E0, 0x02E4}, {0x02E5, 0x02EB}, {0x02EC, 0x02EC}, + {0x02ED, 0x02ED}, {0x02EE, 0x02EE}, {0x02EF, 0x02FF}, + {0x0370, 0x0373}, {0x0374, 0x0374}, {0x0375, 0x0375}, + {0x0376, 0x0377}, {0x037A, 0x037A}, {0x037B, 0x037D}, + {0x037E, 0x037E}, {0x037F, 0x037F}, {0x0384, 0x0385}, + {0x0386, 0x0386}, {0x0387, 0x0387}, {0x0388, 0x038A}, + {0x038C, 0x038C}, {0x038E, 0x0390}, {0x03AA, 0x03B0}, + {0x03C2, 0x03C2}, {0x03CA, 0x03F5}, {0x03F6, 0x03F6}, + {0x03F7, 0x03FF}, {0x0400, 0x0400}, {0x0402, 0x040F}, + {0x0450, 0x0450}, {0x0452, 0x0481}, {0x0482, 0x0482}, + {0x0483, 0x0487}, {0x0488, 0x0489}, {0x048A, 0x04FF}, + {0x0500, 0x052F}, {0x0531, 0x0556}, {0x0559, 0x0559}, + {0x055A, 0x055F}, {0x0561, 0x0587}, {0x0589, 0x0589}, + {0x058A, 0x058A}, {0x058D, 0x058E}, {0x058F, 0x058F}, + {0x0591, 0x05BD}, {0x05BE, 0x05BE}, {0x05BF, 0x05BF}, + {0x05C0, 0x05C0}, {0x05C1, 0x05C2}, {0x05C3, 0x05C3}, + {0x05C4, 0x05C5}, {0x05C6, 0x05C6}, {0x05C7, 0x05C7}, + {0x05D0, 0x05EA}, {0x05F0, 0x05F2}, {0x05F3, 0x05F4}, + {0x0600, 0x0605}, {0x0606, 0x0608}, {0x0609, 0x060A}, + {0x060B, 0x060B}, {0x060C, 0x060D}, {0x060E, 0x060F}, + {0x0610, 0x061A}, {0x061B, 0x061B}, {0x061C, 0x061C}, + {0x061E, 0x061F}, {0x0620, 0x063F}, {0x0640, 0x0640}, + {0x0641, 0x064A}, {0x064B, 0x065F}, {0x0660, 0x0669}, + {0x066A, 0x066D}, {0x066E, 0x066F}, {0x0670, 0x0670}, + {0x0671, 0x06D3}, {0x06D4, 0x06D4}, {0x06D5, 0x06D5}, + {0x06D6, 0x06DC}, {0x06DD, 0x06DD}, {0x06DE, 0x06DE}, + {0x06DF, 0x06E4}, {0x06E5, 0x06E6}, {0x06E7, 0x06E8}, + {0x06E9, 0x06E9}, {0x06EA, 0x06ED}, {0x06EE, 0x06EF}, + {0x06F0, 0x06F9}, {0x06FA, 0x06FC}, {0x06FD, 0x06FE}, + {0x06FF, 0x06FF}, {0x0700, 0x070D}, {0x070F, 0x070F}, + {0x0710, 0x0710}, {0x0711, 0x0711}, {0x0712, 0x072F}, + {0x0730, 0x074A}, {0x074D, 0x074F}, {0x0750, 0x077F}, + {0x0780, 0x07A5}, {0x07A6, 0x07B0}, {0x07B1, 0x07B1}, + {0x07C0, 0x07C9}, {0x07CA, 0x07EA}, {0x07EB, 0x07F3}, + {0x07F4, 0x07F5}, {0x07F6, 0x07F6}, {0x07F7, 0x07F9}, + {0x07FA, 0x07FA}, {0x0800, 0x0815}, {0x0816, 0x0819}, + {0x081A, 0x081A}, {0x081B, 0x0823}, {0x0824, 0x0824}, + {0x0825, 0x0827}, {0x0828, 0x0828}, {0x0829, 0x082D}, + {0x0830, 0x083E}, {0x0840, 0x0858}, {0x0859, 0x085B}, + {0x085E, 0x085E}, {0x08A0, 0x08B4}, {0x08B6, 0x08BD}, + {0x08D4, 0x08E1}, {0x08E2, 0x08E2}, {0x08E3, 0x08FF}, + {0x0900, 0x0902}, {0x0903, 0x0903}, {0x0904, 0x0939}, + {0x093A, 0x093A}, {0x093B, 0x093B}, {0x093C, 0x093C}, + {0x093D, 0x093D}, {0x093E, 0x0940}, {0x0941, 0x0948}, + {0x0949, 0x094C}, {0x094D, 0x094D}, {0x094E, 0x094F}, + {0x0950, 0x0950}, {0x0951, 0x0957}, {0x0958, 0x0961}, + {0x0962, 0x0963}, {0x0964, 0x0965}, {0x0966, 0x096F}, + {0x0970, 0x0970}, {0x0971, 0x0971}, {0x0972, 0x097F}, + {0x0980, 0x0980}, {0x0981, 0x0981}, {0x0982, 0x0983}, + {0x0985, 0x098C}, {0x098F, 0x0990}, {0x0993, 0x09A8}, + {0x09AA, 0x09B0}, {0x09B2, 0x09B2}, {0x09B6, 0x09B9}, + {0x09BC, 0x09BC}, {0x09BD, 0x09BD}, {0x09BE, 0x09C0}, + {0x09C1, 0x09C4}, {0x09C7, 0x09C8}, {0x09CB, 0x09CC}, + {0x09CD, 0x09CD}, {0x09CE, 0x09CE}, {0x09D7, 0x09D7}, + {0x09DC, 0x09DD}, {0x09DF, 0x09E1}, {0x09E2, 0x09E3}, + {0x09E6, 0x09EF}, {0x09F0, 0x09F1}, {0x09F2, 0x09F3}, + {0x09F4, 0x09F9}, {0x09FA, 0x09FA}, {0x09FB, 0x09FB}, + {0x0A01, 0x0A02}, {0x0A03, 0x0A03}, {0x0A05, 0x0A0A}, + {0x0A0F, 0x0A10}, {0x0A13, 0x0A28}, {0x0A2A, 0x0A30}, + {0x0A32, 0x0A33}, {0x0A35, 0x0A36}, {0x0A38, 0x0A39}, + {0x0A3C, 0x0A3C}, {0x0A3E, 0x0A40}, {0x0A41, 0x0A42}, + {0x0A47, 0x0A48}, {0x0A4B, 0x0A4D}, {0x0A51, 0x0A51}, + {0x0A59, 0x0A5C}, {0x0A5E, 0x0A5E}, {0x0A66, 0x0A6F}, + {0x0A70, 0x0A71}, {0x0A72, 0x0A74}, {0x0A75, 0x0A75}, + {0x0A81, 0x0A82}, {0x0A83, 0x0A83}, {0x0A85, 0x0A8D}, + {0x0A8F, 0x0A91}, {0x0A93, 0x0AA8}, {0x0AAA, 0x0AB0}, + {0x0AB2, 0x0AB3}, {0x0AB5, 0x0AB9}, {0x0ABC, 0x0ABC}, + {0x0ABD, 0x0ABD}, {0x0ABE, 0x0AC0}, {0x0AC1, 0x0AC5}, + {0x0AC7, 0x0AC8}, {0x0AC9, 0x0AC9}, {0x0ACB, 0x0ACC}, + {0x0ACD, 0x0ACD}, {0x0AD0, 0x0AD0}, {0x0AE0, 0x0AE1}, + {0x0AE2, 0x0AE3}, {0x0AE6, 0x0AEF}, {0x0AF0, 0x0AF0}, + {0x0AF1, 0x0AF1}, {0x0AF9, 0x0AF9}, {0x0B01, 0x0B01}, + {0x0B02, 0x0B03}, {0x0B05, 0x0B0C}, {0x0B0F, 0x0B10}, + {0x0B13, 0x0B28}, {0x0B2A, 0x0B30}, {0x0B32, 0x0B33}, + {0x0B35, 0x0B39}, {0x0B3C, 0x0B3C}, {0x0B3D, 0x0B3D}, + {0x0B3E, 0x0B3E}, {0x0B3F, 0x0B3F}, {0x0B40, 0x0B40}, + {0x0B41, 0x0B44}, {0x0B47, 0x0B48}, {0x0B4B, 0x0B4C}, + {0x0B4D, 0x0B4D}, {0x0B56, 0x0B56}, {0x0B57, 0x0B57}, + {0x0B5C, 0x0B5D}, {0x0B5F, 0x0B61}, {0x0B62, 0x0B63}, + {0x0B66, 0x0B6F}, {0x0B70, 0x0B70}, {0x0B71, 0x0B71}, + {0x0B72, 0x0B77}, {0x0B82, 0x0B82}, {0x0B83, 0x0B83}, + {0x0B85, 0x0B8A}, {0x0B8E, 0x0B90}, {0x0B92, 0x0B95}, + {0x0B99, 0x0B9A}, {0x0B9C, 0x0B9C}, {0x0B9E, 0x0B9F}, + {0x0BA3, 0x0BA4}, {0x0BA8, 0x0BAA}, {0x0BAE, 0x0BB9}, + {0x0BBE, 0x0BBF}, {0x0BC0, 0x0BC0}, {0x0BC1, 0x0BC2}, + {0x0BC6, 0x0BC8}, {0x0BCA, 0x0BCC}, {0x0BCD, 0x0BCD}, + {0x0BD0, 0x0BD0}, {0x0BD7, 0x0BD7}, {0x0BE6, 0x0BEF}, + {0x0BF0, 0x0BF2}, {0x0BF3, 0x0BF8}, {0x0BF9, 0x0BF9}, + {0x0BFA, 0x0BFA}, {0x0C00, 0x0C00}, {0x0C01, 0x0C03}, + {0x0C05, 0x0C0C}, {0x0C0E, 0x0C10}, {0x0C12, 0x0C28}, + {0x0C2A, 0x0C39}, {0x0C3D, 0x0C3D}, {0x0C3E, 0x0C40}, + {0x0C41, 0x0C44}, {0x0C46, 0x0C48}, {0x0C4A, 0x0C4D}, + {0x0C55, 0x0C56}, {0x0C58, 0x0C5A}, {0x0C60, 0x0C61}, + {0x0C62, 0x0C63}, {0x0C66, 0x0C6F}, {0x0C78, 0x0C7E}, + {0x0C7F, 0x0C7F}, {0x0C80, 0x0C80}, {0x0C81, 0x0C81}, + {0x0C82, 0x0C83}, {0x0C85, 0x0C8C}, {0x0C8E, 0x0C90}, + {0x0C92, 0x0CA8}, {0x0CAA, 0x0CB3}, {0x0CB5, 0x0CB9}, + {0x0CBC, 0x0CBC}, {0x0CBD, 0x0CBD}, {0x0CBE, 0x0CBE}, + {0x0CBF, 0x0CBF}, {0x0CC0, 0x0CC4}, {0x0CC6, 0x0CC6}, + {0x0CC7, 0x0CC8}, {0x0CCA, 0x0CCB}, {0x0CCC, 0x0CCD}, + {0x0CD5, 0x0CD6}, {0x0CDE, 0x0CDE}, {0x0CE0, 0x0CE1}, + {0x0CE2, 0x0CE3}, {0x0CE6, 0x0CEF}, {0x0CF1, 0x0CF2}, + {0x0D01, 0x0D01}, {0x0D02, 0x0D03}, {0x0D05, 0x0D0C}, + {0x0D0E, 0x0D10}, {0x0D12, 0x0D3A}, {0x0D3D, 0x0D3D}, + {0x0D3E, 0x0D40}, {0x0D41, 0x0D44}, {0x0D46, 0x0D48}, + {0x0D4A, 0x0D4C}, {0x0D4D, 0x0D4D}, {0x0D4E, 0x0D4E}, + {0x0D4F, 0x0D4F}, {0x0D54, 0x0D56}, {0x0D57, 0x0D57}, + {0x0D58, 0x0D5E}, {0x0D5F, 0x0D61}, {0x0D62, 0x0D63}, + {0x0D66, 0x0D6F}, {0x0D70, 0x0D78}, {0x0D79, 0x0D79}, + {0x0D7A, 0x0D7F}, {0x0D82, 0x0D83}, {0x0D85, 0x0D96}, + {0x0D9A, 0x0DB1}, {0x0DB3, 0x0DBB}, {0x0DBD, 0x0DBD}, + {0x0DC0, 0x0DC6}, {0x0DCA, 0x0DCA}, {0x0DCF, 0x0DD1}, + {0x0DD2, 0x0DD4}, {0x0DD6, 0x0DD6}, {0x0DD8, 0x0DDF}, + {0x0DE6, 0x0DEF}, {0x0DF2, 0x0DF3}, {0x0DF4, 0x0DF4}, + {0x0E01, 0x0E30}, {0x0E31, 0x0E31}, {0x0E32, 0x0E33}, + {0x0E34, 0x0E3A}, {0x0E3F, 0x0E3F}, {0x0E40, 0x0E45}, + {0x0E46, 0x0E46}, {0x0E47, 0x0E4E}, {0x0E4F, 0x0E4F}, + {0x0E50, 0x0E59}, {0x0E5A, 0x0E5B}, {0x0E81, 0x0E82}, + {0x0E84, 0x0E84}, {0x0E87, 0x0E88}, {0x0E8A, 0x0E8A}, + {0x0E8D, 0x0E8D}, {0x0E94, 0x0E97}, {0x0E99, 0x0E9F}, + {0x0EA1, 0x0EA3}, {0x0EA5, 0x0EA5}, {0x0EA7, 0x0EA7}, + {0x0EAA, 0x0EAB}, {0x0EAD, 0x0EB0}, {0x0EB1, 0x0EB1}, + {0x0EB2, 0x0EB3}, {0x0EB4, 0x0EB9}, {0x0EBB, 0x0EBC}, + {0x0EBD, 0x0EBD}, {0x0EC0, 0x0EC4}, {0x0EC6, 0x0EC6}, + {0x0EC8, 0x0ECD}, {0x0ED0, 0x0ED9}, {0x0EDC, 0x0EDF}, + {0x0F00, 0x0F00}, {0x0F01, 0x0F03}, {0x0F04, 0x0F12}, + {0x0F13, 0x0F13}, {0x0F14, 0x0F14}, {0x0F15, 0x0F17}, + {0x0F18, 0x0F19}, {0x0F1A, 0x0F1F}, {0x0F20, 0x0F29}, + {0x0F2A, 0x0F33}, {0x0F34, 0x0F34}, {0x0F35, 0x0F35}, + {0x0F36, 0x0F36}, {0x0F37, 0x0F37}, {0x0F38, 0x0F38}, + {0x0F39, 0x0F39}, {0x0F3A, 0x0F3A}, {0x0F3B, 0x0F3B}, + {0x0F3C, 0x0F3C}, {0x0F3D, 0x0F3D}, {0x0F3E, 0x0F3F}, + {0x0F40, 0x0F47}, {0x0F49, 0x0F6C}, {0x0F71, 0x0F7E}, + {0x0F7F, 0x0F7F}, {0x0F80, 0x0F84}, {0x0F85, 0x0F85}, + {0x0F86, 0x0F87}, {0x0F88, 0x0F8C}, {0x0F8D, 0x0F97}, + {0x0F99, 0x0FBC}, {0x0FBE, 0x0FC5}, {0x0FC6, 0x0FC6}, + {0x0FC7, 0x0FCC}, {0x0FCE, 0x0FCF}, {0x0FD0, 0x0FD4}, + {0x0FD5, 0x0FD8}, {0x0FD9, 0x0FDA}, {0x1000, 0x102A}, + {0x102B, 0x102C}, {0x102D, 0x1030}, {0x1031, 0x1031}, + {0x1032, 0x1037}, {0x1038, 0x1038}, {0x1039, 0x103A}, + {0x103B, 0x103C}, {0x103D, 0x103E}, {0x103F, 0x103F}, + {0x1040, 0x1049}, {0x104A, 0x104F}, {0x1050, 0x1055}, + {0x1056, 0x1057}, {0x1058, 0x1059}, {0x105A, 0x105D}, + {0x105E, 0x1060}, {0x1061, 0x1061}, {0x1062, 0x1064}, + {0x1065, 0x1066}, {0x1067, 0x106D}, {0x106E, 0x1070}, + {0x1071, 0x1074}, {0x1075, 0x1081}, {0x1082, 0x1082}, + {0x1083, 0x1084}, {0x1085, 0x1086}, {0x1087, 0x108C}, + {0x108D, 0x108D}, {0x108E, 0x108E}, {0x108F, 0x108F}, + {0x1090, 0x1099}, {0x109A, 0x109C}, {0x109D, 0x109D}, + {0x109E, 0x109F}, {0x10A0, 0x10C5}, {0x10C7, 0x10C7}, + {0x10CD, 0x10CD}, {0x10D0, 0x10FA}, {0x10FB, 0x10FB}, + {0x10FC, 0x10FC}, {0x10FD, 0x10FF}, {0x1160, 0x11FF}, + {0x1200, 0x1248}, {0x124A, 0x124D}, {0x1250, 0x1256}, + {0x1258, 0x1258}, {0x125A, 0x125D}, {0x1260, 0x1288}, + {0x128A, 0x128D}, {0x1290, 0x12B0}, {0x12B2, 0x12B5}, + {0x12B8, 0x12BE}, {0x12C0, 0x12C0}, {0x12C2, 0x12C5}, + {0x12C8, 0x12D6}, {0x12D8, 0x1310}, {0x1312, 0x1315}, + {0x1318, 0x135A}, {0x135D, 0x135F}, {0x1360, 0x1368}, + {0x1369, 0x137C}, {0x1380, 0x138F}, {0x1390, 0x1399}, + {0x13A0, 0x13F5}, {0x13F8, 0x13FD}, {0x1400, 0x1400}, + {0x1401, 0x166C}, {0x166D, 0x166E}, {0x166F, 0x167F}, + {0x1680, 0x1680}, {0x1681, 0x169A}, {0x169B, 0x169B}, + {0x169C, 0x169C}, {0x16A0, 0x16EA}, {0x16EB, 0x16ED}, + {0x16EE, 0x16F0}, {0x16F1, 0x16F8}, {0x1700, 0x170C}, + {0x170E, 0x1711}, {0x1712, 0x1714}, {0x1720, 0x1731}, + {0x1732, 0x1734}, {0x1735, 0x1736}, {0x1740, 0x1751}, + {0x1752, 0x1753}, {0x1760, 0x176C}, {0x176E, 0x1770}, + {0x1772, 0x1773}, {0x1780, 0x17B3}, {0x17B4, 0x17B5}, + {0x17B6, 0x17B6}, {0x17B7, 0x17BD}, {0x17BE, 0x17C5}, + {0x17C6, 0x17C6}, {0x17C7, 0x17C8}, {0x17C9, 0x17D3}, + {0x17D4, 0x17D6}, {0x17D7, 0x17D7}, {0x17D8, 0x17DA}, + 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{0x114C7, 0x114C7}, {0x114D0, 0x114D9}, + {0x11580, 0x115AE}, {0x115AF, 0x115B1}, {0x115B2, 0x115B5}, + {0x115B8, 0x115BB}, {0x115BC, 0x115BD}, {0x115BE, 0x115BE}, + {0x115BF, 0x115C0}, {0x115C1, 0x115D7}, {0x115D8, 0x115DB}, + {0x115DC, 0x115DD}, {0x11600, 0x1162F}, {0x11630, 0x11632}, + {0x11633, 0x1163A}, {0x1163B, 0x1163C}, {0x1163D, 0x1163D}, + {0x1163E, 0x1163E}, {0x1163F, 0x11640}, {0x11641, 0x11643}, + {0x11644, 0x11644}, {0x11650, 0x11659}, {0x11660, 0x1166C}, + {0x11680, 0x116AA}, {0x116AB, 0x116AB}, {0x116AC, 0x116AC}, + {0x116AD, 0x116AD}, {0x116AE, 0x116AF}, {0x116B0, 0x116B5}, + {0x116B6, 0x116B6}, {0x116B7, 0x116B7}, {0x116C0, 0x116C9}, + {0x11700, 0x11719}, {0x1171D, 0x1171F}, {0x11720, 0x11721}, + {0x11722, 0x11725}, {0x11726, 0x11726}, {0x11727, 0x1172B}, + {0x11730, 0x11739}, {0x1173A, 0x1173B}, {0x1173C, 0x1173E}, + {0x1173F, 0x1173F}, {0x118A0, 0x118DF}, {0x118E0, 0x118E9}, + {0x118EA, 0x118F2}, {0x118FF, 0x118FF}, {0x11AC0, 0x11AF8}, + {0x11C00, 0x11C08}, {0x11C0A, 0x11C2E}, {0x11C2F, 0x11C2F}, + {0x11C30, 0x11C36}, {0x11C38, 0x11C3D}, {0x11C3E, 0x11C3E}, + {0x11C3F, 0x11C3F}, {0x11C40, 0x11C40}, {0x11C41, 0x11C45}, + {0x11C50, 0x11C59}, {0x11C5A, 0x11C6C}, {0x11C70, 0x11C71}, + {0x11C72, 0x11C8F}, {0x11C92, 0x11CA7}, {0x11CA9, 0x11CA9}, + {0x11CAA, 0x11CB0}, {0x11CB1, 0x11CB1}, {0x11CB2, 0x11CB3}, + {0x11CB4, 0x11CB4}, {0x11CB5, 0x11CB6}, {0x12000, 0x12399}, + {0x12400, 0x1246E}, {0x12470, 0x12474}, {0x12480, 0x12543}, + {0x13000, 0x1342E}, {0x14400, 0x14646}, {0x16800, 0x16A38}, + {0x16A40, 0x16A5E}, {0x16A60, 0x16A69}, {0x16A6E, 0x16A6F}, + {0x16AD0, 0x16AED}, {0x16AF0, 0x16AF4}, {0x16AF5, 0x16AF5}, + {0x16B00, 0x16B2F}, {0x16B30, 0x16B36}, {0x16B37, 0x16B3B}, + {0x16B3C, 0x16B3F}, {0x16B40, 0x16B43}, {0x16B44, 0x16B44}, + {0x16B45, 0x16B45}, {0x16B50, 0x16B59}, {0x16B5B, 0x16B61}, + {0x16B63, 0x16B77}, {0x16B7D, 0x16B8F}, {0x16F00, 0x16F44}, + {0x16F50, 0x16F50}, {0x16F51, 0x16F7E}, {0x16F8F, 0x16F92}, + {0x16F93, 0x16F9F}, {0x1BC00, 0x1BC6A}, {0x1BC70, 0x1BC7C}, + {0x1BC80, 0x1BC88}, {0x1BC90, 0x1BC99}, {0x1BC9C, 0x1BC9C}, + {0x1BC9D, 0x1BC9E}, {0x1BC9F, 0x1BC9F}, {0x1BCA0, 0x1BCA3}, + {0x1D000, 0x1D0F5}, {0x1D100, 0x1D126}, {0x1D129, 0x1D164}, + {0x1D165, 0x1D166}, {0x1D167, 0x1D169}, {0x1D16A, 0x1D16C}, + {0x1D16D, 0x1D172}, {0x1D173, 0x1D17A}, {0x1D17B, 0x1D182}, + {0x1D183, 0x1D184}, {0x1D185, 0x1D18B}, {0x1D18C, 0x1D1A9}, + {0x1D1AA, 0x1D1AD}, {0x1D1AE, 0x1D1E8}, {0x1D200, 0x1D241}, + {0x1D242, 0x1D244}, {0x1D245, 0x1D245}, {0x1D300, 0x1D356}, + {0x1D360, 0x1D371}, {0x1D400, 0x1D454}, {0x1D456, 0x1D49C}, + {0x1D49E, 0x1D49F}, {0x1D4A2, 0x1D4A2}, {0x1D4A5, 0x1D4A6}, + {0x1D4A9, 0x1D4AC}, {0x1D4AE, 0x1D4B9}, {0x1D4BB, 0x1D4BB}, + {0x1D4BD, 0x1D4C3}, {0x1D4C5, 0x1D505}, {0x1D507, 0x1D50A}, + {0x1D50D, 0x1D514}, {0x1D516, 0x1D51C}, {0x1D51E, 0x1D539}, + {0x1D53B, 0x1D53E}, {0x1D540, 0x1D544}, {0x1D546, 0x1D546}, + {0x1D54A, 0x1D550}, {0x1D552, 0x1D6A5}, {0x1D6A8, 0x1D6C0}, + {0x1D6C1, 0x1D6C1}, {0x1D6C2, 0x1D6DA}, {0x1D6DB, 0x1D6DB}, + {0x1D6DC, 0x1D6FA}, {0x1D6FB, 0x1D6FB}, {0x1D6FC, 0x1D714}, + {0x1D715, 0x1D715}, {0x1D716, 0x1D734}, {0x1D735, 0x1D735}, + {0x1D736, 0x1D74E}, {0x1D74F, 0x1D74F}, {0x1D750, 0x1D76E}, + {0x1D76F, 0x1D76F}, {0x1D770, 0x1D788}, {0x1D789, 0x1D789}, + {0x1D78A, 0x1D7A8}, {0x1D7A9, 0x1D7A9}, {0x1D7AA, 0x1D7C2}, + {0x1D7C3, 0x1D7C3}, {0x1D7C4, 0x1D7CB}, {0x1D7CE, 0x1D7FF}, + {0x1D800, 0x1D9FF}, {0x1DA00, 0x1DA36}, {0x1DA37, 0x1DA3A}, + {0x1DA3B, 0x1DA6C}, {0x1DA6D, 0x1DA74}, {0x1DA75, 0x1DA75}, + {0x1DA76, 0x1DA83}, {0x1DA84, 0x1DA84}, {0x1DA85, 0x1DA86}, + {0x1DA87, 0x1DA8B}, {0x1DA9B, 0x1DA9F}, {0x1DAA1, 0x1DAAF}, + {0x1E000, 0x1E006}, {0x1E008, 0x1E018}, {0x1E01B, 0x1E021}, + {0x1E023, 0x1E024}, {0x1E026, 0x1E02A}, {0x1E800, 0x1E8C4}, + {0x1E8C7, 0x1E8CF}, {0x1E8D0, 0x1E8D6}, {0x1E900, 0x1E943}, + {0x1E944, 0x1E94A}, {0x1E950, 0x1E959}, {0x1E95E, 0x1E95F}, + {0x1EE00, 0x1EE03}, {0x1EE05, 0x1EE1F}, {0x1EE21, 0x1EE22}, + {0x1EE24, 0x1EE24}, {0x1EE27, 0x1EE27}, {0x1EE29, 0x1EE32}, + {0x1EE34, 0x1EE37}, {0x1EE39, 0x1EE39}, {0x1EE3B, 0x1EE3B}, + {0x1EE42, 0x1EE42}, {0x1EE47, 0x1EE47}, {0x1EE49, 0x1EE49}, + {0x1EE4B, 0x1EE4B}, {0x1EE4D, 0x1EE4F}, {0x1EE51, 0x1EE52}, + {0x1EE54, 0x1EE54}, {0x1EE57, 0x1EE57}, {0x1EE59, 0x1EE59}, + {0x1EE5B, 0x1EE5B}, {0x1EE5D, 0x1EE5D}, {0x1EE5F, 0x1EE5F}, + {0x1EE61, 0x1EE62}, {0x1EE64, 0x1EE64}, {0x1EE67, 0x1EE6A}, + {0x1EE6C, 0x1EE72}, {0x1EE74, 0x1EE77}, {0x1EE79, 0x1EE7C}, + {0x1EE7E, 0x1EE7E}, {0x1EE80, 0x1EE89}, {0x1EE8B, 0x1EE9B}, + {0x1EEA1, 0x1EEA3}, {0x1EEA5, 0x1EEA9}, {0x1EEAB, 0x1EEBB}, + {0x1EEF0, 0x1EEF1}, {0x1F000, 0x1F003}, {0x1F005, 0x1F02B}, + {0x1F030, 0x1F093}, {0x1F0A0, 0x1F0AE}, {0x1F0B1, 0x1F0BF}, + {0x1F0C1, 0x1F0CE}, {0x1F0D1, 0x1F0F5}, {0x1F10B, 0x1F10C}, + {0x1F12E, 0x1F12E}, {0x1F16A, 0x1F16B}, {0x1F1E6, 0x1F1FF}, + {0x1F321, 0x1F32C}, {0x1F336, 0x1F336}, {0x1F37D, 0x1F37D}, + {0x1F394, 0x1F39F}, {0x1F3CB, 0x1F3CE}, {0x1F3D4, 0x1F3DF}, + {0x1F3F1, 0x1F3F3}, {0x1F3F5, 0x1F3F7}, {0x1F43F, 0x1F43F}, + {0x1F441, 0x1F441}, {0x1F4FD, 0x1F4FE}, {0x1F53E, 0x1F54A}, + {0x1F54F, 0x1F54F}, {0x1F568, 0x1F579}, {0x1F57B, 0x1F594}, + {0x1F597, 0x1F5A3}, {0x1F5A5, 0x1F5FA}, {0x1F650, 0x1F67F}, + {0x1F6C6, 0x1F6CB}, {0x1F6CD, 0x1F6CF}, {0x1F6E0, 0x1F6EA}, + {0x1F6F0, 0x1F6F3}, {0x1F700, 0x1F773}, {0x1F780, 0x1F7D4}, + {0x1F800, 0x1F80B}, {0x1F810, 0x1F847}, {0x1F850, 0x1F859}, + {0x1F860, 0x1F887}, {0x1F890, 0x1F8AD}, {0xE0001, 0xE0001}, + {0xE0020, 0xE007F}, +} + +// Condition have flag EastAsianWidth whether the current locale is CJK or not. +type Condition struct { + EastAsianWidth bool +} + +// NewCondition return new instance of Condition which is current locale. +func NewCondition() *Condition { + return &Condition{EastAsianWidth} +} + +// RuneWidth returns the number of cells in r. +// See http://www.unicode.org/reports/tr11/ +func (c *Condition) RuneWidth(r rune) int { + switch { + case r < 0 || r > 0x10FFFF || + inTables(r, nonprint, combining, notassigned): + return 0 + case (c.EastAsianWidth && IsAmbiguousWidth(r)) || + inTables(r, doublewidth, emoji): + return 2 + default: + return 1 + } +} + +// StringWidth return width as you can see +func (c *Condition) StringWidth(s string) (width int) { + for _, r := range []rune(s) { + width += c.RuneWidth(r) + } + return width +} + +// Truncate return string truncated with w cells +func (c *Condition) Truncate(s string, w int, tail string) string { + if c.StringWidth(s) <= w { + return s + } + r := []rune(s) + tw := c.StringWidth(tail) + w -= tw + width := 0 + i := 0 + for ; i < len(r); i++ { + cw := c.RuneWidth(r[i]) + if width+cw > w { + break + } + width += cw + } + return string(r[0:i]) + tail +} + +// Wrap return string wrapped with w cells +func (c *Condition) Wrap(s string, w int) string { + width := 0 + out := "" + for _, r := range []rune(s) { + cw := RuneWidth(r) + if r == '\n' { + out += string(r) + width = 0 + continue + } else if width+cw > w { + out += "\n" + width = 0 + out += string(r) + width += cw + continue + } + out += string(r) + width += cw + } + return out +} + +// FillLeft return string filled in left by spaces in w cells +func (c *Condition) FillLeft(s string, w int) string { + width := c.StringWidth(s) + count := w - width + if count > 0 { + b := make([]byte, count) + for i := range b { + b[i] = ' ' + } + return string(b) + s + } + return s +} + +// FillRight return string filled in left by spaces in w cells +func (c *Condition) FillRight(s string, w int) string { + width := c.StringWidth(s) + count := w - width + if count > 0 { + b := make([]byte, count) + for i := range b { + b[i] = ' ' + } + return s + string(b) + } + return s +} + +// RuneWidth returns the number of cells in r. +// See http://www.unicode.org/reports/tr11/ +func RuneWidth(r rune) int { + return DefaultCondition.RuneWidth(r) +} + +// IsAmbiguousWidth returns whether is ambiguous width or not. +func IsAmbiguousWidth(r rune) bool { + return inTables(r, private, ambiguous) +} + +// IsNeutralWidth returns whether is neutral width or not. +func IsNeutralWidth(r rune) bool { + return inTable(r, neutral) +} + +// StringWidth return width as you can see +func StringWidth(s string) (width int) { + return DefaultCondition.StringWidth(s) +} + +// Truncate return string truncated with w cells +func Truncate(s string, w int, tail string) string { + return DefaultCondition.Truncate(s, w, tail) +} + +// Wrap return string wrapped with w cells +func Wrap(s string, w int) string { + return DefaultCondition.Wrap(s, w) +} + +// FillLeft return string filled in left by spaces in w cells +func FillLeft(s string, w int) string { + return DefaultCondition.FillLeft(s, w) +} + +// FillRight return string filled in left by spaces in w cells +func FillRight(s string, w int) string { + return DefaultCondition.FillRight(s, w) +} diff --git a/vendor/github.com/mattn/go-runewidth/runewidth_js.go b/vendor/github.com/mattn/go-runewidth/runewidth_js.go new file mode 100644 index 00000000..0ce32c5e --- /dev/null +++ b/vendor/github.com/mattn/go-runewidth/runewidth_js.go @@ -0,0 +1,8 @@ +// +build js + +package runewidth + +func IsEastAsian() bool { + // TODO: Implement this for the web. Detect east asian in a compatible way, and return true. + return false +} diff --git a/vendor/github.com/mattn/go-runewidth/runewidth_posix.go b/vendor/github.com/mattn/go-runewidth/runewidth_posix.go new file mode 100644 index 00000000..c579e9a3 --- /dev/null +++ b/vendor/github.com/mattn/go-runewidth/runewidth_posix.go @@ -0,0 +1,77 @@ +// +build !windows,!js + +package runewidth + +import ( + "os" + "regexp" + "strings" +) + +var reLoc = regexp.MustCompile(`^[a-z][a-z][a-z]?(?:_[A-Z][A-Z])?\.(.+)`) + +var mblenTable = map[string]int{ + "utf-8": 6, + "utf8": 6, + "jis": 8, + "eucjp": 3, + "euckr": 2, + "euccn": 2, + "sjis": 2, + "cp932": 2, + "cp51932": 2, + "cp936": 2, + "cp949": 2, + "cp950": 2, + "big5": 2, + "gbk": 2, + "gb2312": 2, +} + +func isEastAsian(locale string) bool { + charset := strings.ToLower(locale) + r := reLoc.FindStringSubmatch(locale) + if len(r) == 2 { + charset = strings.ToLower(r[1]) + } + + if strings.HasSuffix(charset, "@cjk_narrow") { + return false + } + + for pos, b := range []byte(charset) { + if b == '@' { + charset = charset[:pos] + break + } + } + max := 1 + if m, ok := mblenTable[charset]; ok { + max = m + } + if max > 1 && (charset[0] != 'u' || + strings.HasPrefix(locale, "ja") || + strings.HasPrefix(locale, "ko") || + strings.HasPrefix(locale, "zh")) { + return true + } + return false +} + +// IsEastAsian return true if the current locale is CJK +func IsEastAsian() bool { + locale := os.Getenv("LC_CTYPE") + if locale == "" { + locale = os.Getenv("LANG") + } + + // ignore C locale + if locale == "POSIX" || locale == "C" { + return false + } + if len(locale) > 1 && locale[0] == 'C' && (locale[1] == '.' || locale[1] == '-') { + return false + } + + return isEastAsian(locale) +} diff --git a/vendor/github.com/mattn/go-runewidth/runewidth_windows.go b/vendor/github.com/mattn/go-runewidth/runewidth_windows.go new file mode 100644 index 00000000..0258876b --- /dev/null +++ b/vendor/github.com/mattn/go-runewidth/runewidth_windows.go @@ -0,0 +1,25 @@ +package runewidth + +import ( + "syscall" +) + +var ( + kernel32 = syscall.NewLazyDLL("kernel32") + procGetConsoleOutputCP = kernel32.NewProc("GetConsoleOutputCP") +) + +// IsEastAsian return true if the current locale is CJK +func IsEastAsian() bool { + r1, _, _ := procGetConsoleOutputCP.Call() + if r1 == 0 { + return false + } + + switch int(r1) { + case 932, 51932, 936, 949, 950: + return true + } + + return false +} diff --git a/vendor/github.com/nsf/termbox-go/AUTHORS b/vendor/github.com/nsf/termbox-go/AUTHORS new file mode 100644 index 00000000..fe26fb0f --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/AUTHORS @@ -0,0 +1,4 @@ +# Please keep this file sorted. + +Georg Reinke <guelfey@googlemail.com> +nsf <no.smile.face@gmail.com> diff --git a/vendor/github.com/nsf/termbox-go/LICENSE b/vendor/github.com/nsf/termbox-go/LICENSE new file mode 100644 index 00000000..d9bc068c --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/LICENSE @@ -0,0 +1,19 @@ +Copyright (C) 2012 termbox-go authors + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/vendor/github.com/nsf/termbox-go/README.md b/vendor/github.com/nsf/termbox-go/README.md new file mode 100644 index 00000000..2ffe033e --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/README.md @@ -0,0 +1,43 @@ +[](http://godoc.org/github.com/nsf/termbox-go) + +## Termbox +Termbox is a library that provides a minimalistic API which allows the programmer to write text-based user interfaces. The library is crossplatform and has both terminal-based implementations on *nix operating systems and a winapi console based implementation for windows operating systems. The basic idea is an abstraction of the greatest common subset of features available on all major terminals and other terminal-like APIs in a minimalistic fashion. Small API means it is easy to implement, test, maintain and learn it, that's what makes the termbox a distinct library in its area. + +### Installation +Install and update this go package with `go get -u github.com/nsf/termbox-go` + +### Examples +For examples of what can be done take a look at demos in the _demos directory. You can try them with go run: `go run _demos/keyboard.go` + +There are also some interesting projects using termbox-go: + - [godit](https://github.com/nsf/godit) is an emacsish lightweight text editor written using termbox. + - [gotetris](https://github.com/jjinux/gotetris) is an implementation of Tetris. + - [sokoban-go](https://github.com/rn2dy/sokoban-go) is an implementation of sokoban game. + - [hecate](https://github.com/evanmiller/hecate) is a hex editor designed by Satan. + - [httopd](https://github.com/verdverm/httopd) is top for httpd logs. + - [mop](https://github.com/mop-tracker/mop) is stock market tracker for hackers. + - [termui](https://github.com/gizak/termui) is a terminal dashboard. + - [termloop](https://github.com/JoelOtter/termloop) is a terminal game engine. + - [xterm-color-chart](https://github.com/kutuluk/xterm-color-chart) is a XTerm 256 color chart. + - [gocui](https://github.com/jroimartin/gocui) is a minimalist Go library aimed at creating console user interfaces. + - [dry](https://github.com/moncho/dry) is an interactive cli to manage Docker containers. + - [pxl](https://github.com/ichinaski/pxl) displays images in the terminal. + - [snake-game](https://github.com/DyegoCosta/snake-game) is an implementation of the Snake game. + - [gone](https://github.com/guillaumebreton/gone) is a CLI pomodoro® timer. + - [Spoof.go](https://github.com/sabey/spoofgo) controllable movement spoofing from the cli + - [lf](https://github.com/gokcehan/lf) is a terminal file manager + - [rat](https://github.com/ericfreese/rat) lets you compose shell commands to build terminal applications. + - [httplab](https://github.com/gchaincl/httplab) An interactive web server. + - [tetris](https://github.com/MichaelS11/tetris) Go Tetris with AI option + - [wot](https://github.com/kyu-suke/wot) Wait time during command is completed. + - [2048-go](https://github.com/1984weed/2048-go) is 2048 in Go + - [jv](https://github.com/maxzender/jv) helps you view JSON on the command-line. + - [pinger](https://github.com/hirose31/pinger) helps you to monitor numerous hosts using ICMP ECHO_REQUEST. + - [vixl44](https://github.com/sebashwa/vixl44) lets you create pixel art inside your terminal using vim movements + - [zterm](https://github.com/varunrau/zterm) is a typing game inspired by http://zty.pe/ + - [gotypist](https://github.com/pb-/gotypist) is a fun touch-typing tutor following Steve Yegge's method. + - [cointop](https://github.com/miguelmota/cointop) is an interactive terminal based UI application for tracking cryptocurrencies. + - [pexpo](https://github.com/nnao45/pexpo) is a terminal sending ping tool written in Go. + +### API reference +[godoc.org/github.com/nsf/termbox-go](http://godoc.org/github.com/nsf/termbox-go) diff --git a/vendor/github.com/nsf/termbox-go/api.go b/vendor/github.com/nsf/termbox-go/api.go new file mode 100644 index 00000000..d530ab5c --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/api.go @@ -0,0 +1,489 @@ +// +build !windows + +package termbox + +import "github.com/mattn/go-runewidth" +import "fmt" +import "os" +import "os/signal" +import "syscall" +import "runtime" +import "time" + +// public API + +// Initializes termbox library. This function should be called before any other functions. +// After successful initialization, the library must be finalized using 'Close' function. +// +// Example usage: +// err := termbox.Init() +// if err != nil { +// panic(err) +// } +// defer termbox.Close() +func Init() error { + var err error + + out, err = os.OpenFile("/dev/tty", syscall.O_WRONLY, 0) + if err != nil { + return err + } + in, err = syscall.Open("/dev/tty", syscall.O_RDONLY, 0) + if err != nil { + return err + } + + err = setup_term() + if err != nil { + return fmt.Errorf("termbox: error while reading terminfo data: %v", err) + } + + signal.Notify(sigwinch, syscall.SIGWINCH) + signal.Notify(sigio, syscall.SIGIO) + + _, err = fcntl(in, syscall.F_SETFL, syscall.O_ASYNC|syscall.O_NONBLOCK) + if err != nil { + return err + } + _, err = fcntl(in, syscall.F_SETOWN, syscall.Getpid()) + if runtime.GOOS != "darwin" && err != nil { + return err + } + err = tcgetattr(out.Fd(), &orig_tios) + if err != nil { + return err + } + + tios := orig_tios + tios.Iflag &^= syscall_IGNBRK | syscall_BRKINT | syscall_PARMRK | + syscall_ISTRIP | syscall_INLCR | syscall_IGNCR | + syscall_ICRNL | syscall_IXON + tios.Lflag &^= syscall_ECHO | syscall_ECHONL | syscall_ICANON | + syscall_ISIG | syscall_IEXTEN + tios.Cflag &^= syscall_CSIZE | syscall_PARENB + tios.Cflag |= syscall_CS8 + tios.Cc[syscall_VMIN] = 1 + tios.Cc[syscall_VTIME] = 0 + + err = tcsetattr(out.Fd(), &tios) + if err != nil { + return err + } + + out.WriteString(funcs[t_enter_ca]) + out.WriteString(funcs[t_enter_keypad]) + out.WriteString(funcs[t_hide_cursor]) + out.WriteString(funcs[t_clear_screen]) + + termw, termh = get_term_size(out.Fd()) + back_buffer.init(termw, termh) + front_buffer.init(termw, termh) + back_buffer.clear() + front_buffer.clear() + + go func() { + buf := make([]byte, 128) + for { + select { + case <-sigio: + for { + n, err := syscall.Read(in, buf) + if err == syscall.EAGAIN || err == syscall.EWOULDBLOCK { + break + } + select { + case input_comm <- input_event{buf[:n], err}: + ie := <-input_comm + buf = ie.data[:128] + case <-quit: + return + } + } + case <-quit: + return + } + } + }() + + IsInit = true + return nil +} + +// Interrupt an in-progress call to PollEvent by causing it to return +// EventInterrupt. Note that this function will block until the PollEvent +// function has successfully been interrupted. +func Interrupt() { + interrupt_comm <- struct{}{} +} + +// Finalizes termbox library, should be called after successful initialization +// when termbox's functionality isn't required anymore. +func Close() { + quit <- 1 + out.WriteString(funcs[t_show_cursor]) + out.WriteString(funcs[t_sgr0]) + out.WriteString(funcs[t_clear_screen]) + out.WriteString(funcs[t_exit_ca]) + out.WriteString(funcs[t_exit_keypad]) + out.WriteString(funcs[t_exit_mouse]) + tcsetattr(out.Fd(), &orig_tios) + + out.Close() + syscall.Close(in) + + // reset the state, so that on next Init() it will work again + termw = 0 + termh = 0 + input_mode = InputEsc + out = nil + in = 0 + lastfg = attr_invalid + lastbg = attr_invalid + lastx = coord_invalid + lasty = coord_invalid + cursor_x = cursor_hidden + cursor_y = cursor_hidden + foreground = ColorDefault + background = ColorDefault + IsInit = false +} + +// Synchronizes the internal back buffer with the terminal. +func Flush() error { + // invalidate cursor position + lastx = coord_invalid + lasty = coord_invalid + + update_size_maybe() + + for y := 0; y < front_buffer.height; y++ { + line_offset := y * front_buffer.width + for x := 0; x < front_buffer.width; { + cell_offset := line_offset + x + back := &back_buffer.cells[cell_offset] + front := &front_buffer.cells[cell_offset] + if back.Ch < ' ' { + back.Ch = ' ' + } + w := runewidth.RuneWidth(back.Ch) + if w == 0 || w == 2 && runewidth.IsAmbiguousWidth(back.Ch) { + w = 1 + } + if *back == *front { + x += w + continue + } + *front = *back + send_attr(back.Fg, back.Bg) + + if w == 2 && x == front_buffer.width-1 { + // there's not enough space for 2-cells rune, + // let's just put a space in there + send_char(x, y, ' ') + } else { + send_char(x, y, back.Ch) + if w == 2 { + next := cell_offset + 1 + front_buffer.cells[next] = Cell{ + Ch: 0, + Fg: back.Fg, + Bg: back.Bg, + } + } + } + x += w + } + } + if !is_cursor_hidden(cursor_x, cursor_y) { + write_cursor(cursor_x, cursor_y) + } + return flush() +} + +// Sets the position of the cursor. See also HideCursor(). +func SetCursor(x, y int) { + if is_cursor_hidden(cursor_x, cursor_y) && !is_cursor_hidden(x, y) { + outbuf.WriteString(funcs[t_show_cursor]) + } + + if !is_cursor_hidden(cursor_x, cursor_y) && is_cursor_hidden(x, y) { + outbuf.WriteString(funcs[t_hide_cursor]) + } + + cursor_x, cursor_y = x, y + if !is_cursor_hidden(cursor_x, cursor_y) { + write_cursor(cursor_x, cursor_y) + } +} + +// The shortcut for SetCursor(-1, -1). +func HideCursor() { + SetCursor(cursor_hidden, cursor_hidden) +} + +// Changes cell's parameters in the internal back buffer at the specified +// position. +func SetCell(x, y int, ch rune, fg, bg Attribute) { + if x < 0 || x >= back_buffer.width { + return + } + if y < 0 || y >= back_buffer.height { + return + } + + back_buffer.cells[y*back_buffer.width+x] = Cell{ch, fg, bg} +} + +// Returns a slice into the termbox's back buffer. You can get its dimensions +// using 'Size' function. The slice remains valid as long as no 'Clear' or +// 'Flush' function calls were made after call to this function. +func CellBuffer() []Cell { + return back_buffer.cells +} + +// After getting a raw event from PollRawEvent function call, you can parse it +// again into an ordinary one using termbox logic. That is parse an event as +// termbox would do it. Returned event in addition to usual Event struct fields +// sets N field to the amount of bytes used within 'data' slice. If the length +// of 'data' slice is zero or event cannot be parsed for some other reason, the +// function will return a special event type: EventNone. +// +// IMPORTANT: EventNone may contain a non-zero N, which means you should skip +// these bytes, because termbox cannot recognize them. +// +// NOTE: This API is experimental and may change in future. +func ParseEvent(data []byte) Event { + event := Event{Type: EventKey} + status := extract_event(data, &event, false) + if status != event_extracted { + return Event{Type: EventNone, N: event.N} + } + return event +} + +// Wait for an event and return it. This is a blocking function call. Instead +// of EventKey and EventMouse it returns EventRaw events. Raw event is written +// into `data` slice and Event's N field is set to the amount of bytes written. +// The minimum required length of the 'data' slice is 1. This requirement may +// vary on different platforms. +// +// NOTE: This API is experimental and may change in future. +func PollRawEvent(data []byte) Event { + if len(data) == 0 { + panic("len(data) >= 1 is a requirement") + } + + var event Event + if extract_raw_event(data, &event) { + return event + } + + for { + select { + case ev := <-input_comm: + if ev.err != nil { + return Event{Type: EventError, Err: ev.err} + } + + inbuf = append(inbuf, ev.data...) + input_comm <- ev + if extract_raw_event(data, &event) { + return event + } + case <-interrupt_comm: + event.Type = EventInterrupt + return event + + case <-sigwinch: + event.Type = EventResize + event.Width, event.Height = get_term_size(out.Fd()) + return event + } + } +} + +// Wait for an event and return it. This is a blocking function call. +func PollEvent() Event { + // Constant governing macOS specific behavior. See https://github.com/nsf/termbox-go/issues/132 + // This is an arbitrary delay which hopefully will be enough time for any lagging + // partial escape sequences to come through. + const esc_wait_delay = 100 * time.Millisecond + + var event Event + var esc_wait_timer *time.Timer + var esc_timeout <-chan time.Time + + // try to extract event from input buffer, return on success + event.Type = EventKey + status := extract_event(inbuf, &event, true) + if event.N != 0 { + copy(inbuf, inbuf[event.N:]) + inbuf = inbuf[:len(inbuf)-event.N] + } + if status == event_extracted { + return event + } else if status == esc_wait { + esc_wait_timer = time.NewTimer(esc_wait_delay) + esc_timeout = esc_wait_timer.C + } + + for { + select { + case ev := <-input_comm: + if esc_wait_timer != nil { + if !esc_wait_timer.Stop() { + <-esc_wait_timer.C + } + esc_wait_timer = nil + } + + if ev.err != nil { + return Event{Type: EventError, Err: ev.err} + } + + inbuf = append(inbuf, ev.data...) + input_comm <- ev + status := extract_event(inbuf, &event, true) + if event.N != 0 { + copy(inbuf, inbuf[event.N:]) + inbuf = inbuf[:len(inbuf)-event.N] + } + if status == event_extracted { + return event + } else if status == esc_wait { + esc_wait_timer = time.NewTimer(esc_wait_delay) + esc_timeout = esc_wait_timer.C + } + case <-esc_timeout: + esc_wait_timer = nil + + status := extract_event(inbuf, &event, false) + if event.N != 0 { + copy(inbuf, inbuf[event.N:]) + inbuf = inbuf[:len(inbuf)-event.N] + } + if status == event_extracted { + return event + } + case <-interrupt_comm: + event.Type = EventInterrupt + return event + + case <-sigwinch: + event.Type = EventResize + event.Width, event.Height = get_term_size(out.Fd()) + return event + } + } +} + +// Returns the size of the internal back buffer (which is mostly the same as +// terminal's window size in characters). But it doesn't always match the size +// of the terminal window, after the terminal size has changed, the internal +// back buffer will get in sync only after Clear or Flush function calls. +func Size() (width int, height int) { + return termw, termh +} + +// Clears the internal back buffer. +func Clear(fg, bg Attribute) error { + foreground, background = fg, bg + err := update_size_maybe() + back_buffer.clear() + return err +} + +// Sets termbox input mode. Termbox has two input modes: +// +// 1. Esc input mode. When ESC sequence is in the buffer and it doesn't match +// any known sequence. ESC means KeyEsc. This is the default input mode. +// +// 2. Alt input mode. When ESC sequence is in the buffer and it doesn't match +// any known sequence. ESC enables ModAlt modifier for the next keyboard event. +// +// Both input modes can be OR'ed with Mouse mode. Setting Mouse mode bit up will +// enable mouse button press/release and drag events. +// +// If 'mode' is InputCurrent, returns the current input mode. See also Input* +// constants. +func SetInputMode(mode InputMode) InputMode { + if mode == InputCurrent { + return input_mode + } + if mode&(InputEsc|InputAlt) == 0 { + mode |= InputEsc + } + if mode&(InputEsc|InputAlt) == InputEsc|InputAlt { + mode &^= InputAlt + } + if mode&InputMouse != 0 { + out.WriteString(funcs[t_enter_mouse]) + } else { + out.WriteString(funcs[t_exit_mouse]) + } + + input_mode = mode + return input_mode +} + +// Sets the termbox output mode. Termbox has four output options: +// +// 1. OutputNormal => [1..8] +// This mode provides 8 different colors: +// black, red, green, yellow, blue, magenta, cyan, white +// Shortcut: ColorBlack, ColorRed, ... +// Attributes: AttrBold, AttrUnderline, AttrReverse +// +// Example usage: +// SetCell(x, y, '@', ColorBlack | AttrBold, ColorRed); +// +// 2. Output256 => [1..256] +// In this mode you can leverage the 256 terminal mode: +// 0x01 - 0x08: the 8 colors as in OutputNormal +// 0x09 - 0x10: Color* | AttrBold +// 0x11 - 0xe8: 216 different colors +// 0xe9 - 0x1ff: 24 different shades of grey +// +// Example usage: +// SetCell(x, y, '@', 184, 240); +// SetCell(x, y, '@', 0xb8, 0xf0); +// +// 3. Output216 => [1..216] +// This mode supports the 3rd range of the 256 mode only. +// But you don't need to provide an offset. +// +// 4. OutputGrayscale => [1..26] +// This mode supports the 4th range of the 256 mode +// and black and white colors from 3th range of the 256 mode +// But you don't need to provide an offset. +// +// In all modes, 0x00 represents the default color. +// +// `go run _demos/output.go` to see its impact on your terminal. +// +// If 'mode' is OutputCurrent, it returns the current output mode. +// +// Note that this may return a different OutputMode than the one requested, +// as the requested mode may not be available on the target platform. +func SetOutputMode(mode OutputMode) OutputMode { + if mode == OutputCurrent { + return output_mode + } + + output_mode = mode + return output_mode +} + +// Sync comes handy when something causes desync between termbox's understanding +// of a terminal buffer and the reality. Such as a third party process. Sync +// forces a complete resync between the termbox and a terminal, it may not be +// visually pretty though. +func Sync() error { + front_buffer.clear() + err := send_clear() + if err != nil { + return err + } + + return Flush() +} diff --git a/vendor/github.com/nsf/termbox-go/api_common.go b/vendor/github.com/nsf/termbox-go/api_common.go new file mode 100644 index 00000000..5ca1371a --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/api_common.go @@ -0,0 +1,187 @@ +// termbox is a library for creating cross-platform text-based interfaces +package termbox + +// public API, common OS agnostic part + +type ( + InputMode int + OutputMode int + EventType uint8 + Modifier uint8 + Key uint16 + Attribute uint16 +) + +// This type represents a termbox event. The 'Mod', 'Key' and 'Ch' fields are +// valid if 'Type' is EventKey. The 'Width' and 'Height' fields are valid if +// 'Type' is EventResize. The 'Err' field is valid if 'Type' is EventError. +type Event struct { + Type EventType // one of Event* constants + Mod Modifier // one of Mod* constants or 0 + Key Key // one of Key* constants, invalid if 'Ch' is not 0 + Ch rune // a unicode character + Width int // width of the screen + Height int // height of the screen + Err error // error in case if input failed + MouseX int // x coord of mouse + MouseY int // y coord of mouse + N int // number of bytes written when getting a raw event +} + +// A cell, single conceptual entity on the screen. The screen is basically a 2d +// array of cells. 'Ch' is a unicode character, 'Fg' and 'Bg' are foreground +// and background attributes respectively. +type Cell struct { + Ch rune + Fg Attribute + Bg Attribute +} + +// To know if termbox has been initialized or not +var ( + IsInit bool = false +) + +// Key constants, see Event.Key field. +const ( + KeyF1 Key = 0xFFFF - iota + KeyF2 + KeyF3 + KeyF4 + KeyF5 + KeyF6 + KeyF7 + KeyF8 + KeyF9 + KeyF10 + KeyF11 + KeyF12 + KeyInsert + KeyDelete + KeyHome + KeyEnd + KeyPgup + KeyPgdn + KeyArrowUp + KeyArrowDown + KeyArrowLeft + KeyArrowRight + key_min // see terminfo + MouseLeft + MouseMiddle + MouseRight + MouseRelease + MouseWheelUp + MouseWheelDown +) + +const ( + KeyCtrlTilde Key = 0x00 + KeyCtrl2 Key = 0x00 + KeyCtrlSpace Key = 0x00 + KeyCtrlA Key = 0x01 + KeyCtrlB Key = 0x02 + KeyCtrlC Key = 0x03 + KeyCtrlD Key = 0x04 + KeyCtrlE Key = 0x05 + KeyCtrlF Key = 0x06 + KeyCtrlG Key = 0x07 + KeyBackspace Key = 0x08 + KeyCtrlH Key = 0x08 + KeyTab Key = 0x09 + KeyCtrlI Key = 0x09 + KeyCtrlJ Key = 0x0A + KeyCtrlK Key = 0x0B + KeyCtrlL Key = 0x0C + KeyEnter Key = 0x0D + KeyCtrlM Key = 0x0D + KeyCtrlN Key = 0x0E + KeyCtrlO Key = 0x0F + KeyCtrlP Key = 0x10 + KeyCtrlQ Key = 0x11 + KeyCtrlR Key = 0x12 + KeyCtrlS Key = 0x13 + KeyCtrlT Key = 0x14 + KeyCtrlU Key = 0x15 + KeyCtrlV Key = 0x16 + KeyCtrlW Key = 0x17 + KeyCtrlX Key = 0x18 + KeyCtrlY Key = 0x19 + KeyCtrlZ Key = 0x1A + KeyEsc Key = 0x1B + KeyCtrlLsqBracket Key = 0x1B + KeyCtrl3 Key = 0x1B + KeyCtrl4 Key = 0x1C + KeyCtrlBackslash Key = 0x1C + KeyCtrl5 Key = 0x1D + KeyCtrlRsqBracket Key = 0x1D + KeyCtrl6 Key = 0x1E + KeyCtrl7 Key = 0x1F + KeyCtrlSlash Key = 0x1F + KeyCtrlUnderscore Key = 0x1F + KeySpace Key = 0x20 + KeyBackspace2 Key = 0x7F + KeyCtrl8 Key = 0x7F +) + +// Alt modifier constant, see Event.Mod field and SetInputMode function. +const ( + ModAlt Modifier = 1 << iota + ModMotion +) + +// Cell colors, you can combine a color with multiple attributes using bitwise +// OR ('|'). +const ( + ColorDefault Attribute = iota + ColorBlack + ColorRed + ColorGreen + ColorYellow + ColorBlue + ColorMagenta + ColorCyan + ColorWhite +) + +// Cell attributes, it is possible to use multiple attributes by combining them +// using bitwise OR ('|'). Although, colors cannot be combined. But you can +// combine attributes and a single color. +// +// It's worth mentioning that some platforms don't support certain attributes. +// For example windows console doesn't support AttrUnderline. And on some +// terminals applying AttrBold to background may result in blinking text. Use +// them with caution and test your code on various terminals. +const ( + AttrBold Attribute = 1 << (iota + 9) + AttrUnderline + AttrReverse +) + +// Input mode. See SetInputMode function. +const ( + InputEsc InputMode = 1 << iota + InputAlt + InputMouse + InputCurrent InputMode = 0 +) + +// Output mode. See SetOutputMode function. +const ( + OutputCurrent OutputMode = iota + OutputNormal + Output256 + Output216 + OutputGrayscale +) + +// Event type. See Event.Type field. +const ( + EventKey EventType = iota + EventResize + EventMouse + EventError + EventInterrupt + EventRaw + EventNone +) diff --git a/vendor/github.com/nsf/termbox-go/api_windows.go b/vendor/github.com/nsf/termbox-go/api_windows.go new file mode 100644 index 00000000..7def30a6 --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/api_windows.go @@ -0,0 +1,239 @@ +package termbox + +import ( + "syscall" +) + +// public API + +// Initializes termbox library. This function should be called before any other functions. +// After successful initialization, the library must be finalized using 'Close' function. +// +// Example usage: +// err := termbox.Init() +// if err != nil { +// panic(err) +// } +// defer termbox.Close() +func Init() error { + var err error + + interrupt, err = create_event() + if err != nil { + return err + } + + in, err = syscall.Open("CONIN$", syscall.O_RDWR, 0) + if err != nil { + return err + } + out, err = syscall.Open("CONOUT$", syscall.O_RDWR, 0) + if err != nil { + return err + } + + err = get_console_mode(in, &orig_mode) + if err != nil { + return err + } + + err = set_console_mode(in, enable_window_input) + if err != nil { + return err + } + + orig_size = get_term_size(out) + win_size := get_win_size(out) + + err = set_console_screen_buffer_size(out, win_size) + if err != nil { + return err + } + + err = get_console_cursor_info(out, &orig_cursor_info) + if err != nil { + return err + } + + show_cursor(false) + term_size = get_term_size(out) + back_buffer.init(int(term_size.x), int(term_size.y)) + front_buffer.init(int(term_size.x), int(term_size.y)) + back_buffer.clear() + front_buffer.clear() + clear() + + diffbuf = make([]diff_msg, 0, 32) + + go input_event_producer() + IsInit = true + return nil +} + +// Finalizes termbox library, should be called after successful initialization +// when termbox's functionality isn't required anymore. +func Close() { + // we ignore errors here, because we can't really do anything about them + Clear(0, 0) + Flush() + + // stop event producer + cancel_comm <- true + set_event(interrupt) + select { + case <-input_comm: + default: + } + <-cancel_done_comm + + set_console_cursor_info(out, &orig_cursor_info) + set_console_cursor_position(out, coord{}) + set_console_screen_buffer_size(out, orig_size) + set_console_mode(in, orig_mode) + syscall.Close(in) + syscall.Close(out) + syscall.Close(interrupt) + IsInit = false +} + +// Interrupt an in-progress call to PollEvent by causing it to return +// EventInterrupt. Note that this function will block until the PollEvent +// function has successfully been interrupted. +func Interrupt() { + interrupt_comm <- struct{}{} +} + +// Synchronizes the internal back buffer with the terminal. +func Flush() error { + update_size_maybe() + prepare_diff_messages() + for _, diff := range diffbuf { + r := small_rect{ + left: 0, + top: diff.pos, + right: term_size.x - 1, + bottom: diff.pos + diff.lines - 1, + } + write_console_output(out, diff.chars, r) + } + if !is_cursor_hidden(cursor_x, cursor_y) { + move_cursor(cursor_x, cursor_y) + } + return nil +} + +// Sets the position of the cursor. See also HideCursor(). +func SetCursor(x, y int) { + if is_cursor_hidden(cursor_x, cursor_y) && !is_cursor_hidden(x, y) { + show_cursor(true) + } + + if !is_cursor_hidden(cursor_x, cursor_y) && is_cursor_hidden(x, y) { + show_cursor(false) + } + + cursor_x, cursor_y = x, y + if !is_cursor_hidden(cursor_x, cursor_y) { + move_cursor(cursor_x, cursor_y) + } +} + +// The shortcut for SetCursor(-1, -1). +func HideCursor() { + SetCursor(cursor_hidden, cursor_hidden) +} + +// Changes cell's parameters in the internal back buffer at the specified +// position. +func SetCell(x, y int, ch rune, fg, bg Attribute) { + if x < 0 || x >= back_buffer.width { + return + } + if y < 0 || y >= back_buffer.height { + return + } + + back_buffer.cells[y*back_buffer.width+x] = Cell{ch, fg, bg} +} + +// Returns a slice into the termbox's back buffer. You can get its dimensions +// using 'Size' function. The slice remains valid as long as no 'Clear' or +// 'Flush' function calls were made after call to this function. +func CellBuffer() []Cell { + return back_buffer.cells +} + +// Wait for an event and return it. This is a blocking function call. +func PollEvent() Event { + select { + case ev := <-input_comm: + return ev + case <-interrupt_comm: + return Event{Type: EventInterrupt} + } +} + +// Returns the size of the internal back buffer (which is mostly the same as +// console's window size in characters). But it doesn't always match the size +// of the console window, after the console size has changed, the internal back +// buffer will get in sync only after Clear or Flush function calls. +func Size() (int, int) { + return int(term_size.x), int(term_size.y) +} + +// Clears the internal back buffer. +func Clear(fg, bg Attribute) error { + foreground, background = fg, bg + update_size_maybe() + back_buffer.clear() + return nil +} + +// Sets termbox input mode. Termbox has two input modes: +// +// 1. Esc input mode. When ESC sequence is in the buffer and it doesn't match +// any known sequence. ESC means KeyEsc. This is the default input mode. +// +// 2. Alt input mode. When ESC sequence is in the buffer and it doesn't match +// any known sequence. ESC enables ModAlt modifier for the next keyboard event. +// +// Both input modes can be OR'ed with Mouse mode. Setting Mouse mode bit up will +// enable mouse button press/release and drag events. +// +// If 'mode' is InputCurrent, returns the current input mode. See also Input* +// constants. +func SetInputMode(mode InputMode) InputMode { + if mode == InputCurrent { + return input_mode + } + if mode&InputMouse != 0 { + err := set_console_mode(in, enable_window_input|enable_mouse_input|enable_extended_flags) + if err != nil { + panic(err) + } + } else { + err := set_console_mode(in, enable_window_input) + if err != nil { + panic(err) + } + } + + input_mode = mode + return input_mode +} + +// Sets the termbox output mode. +// +// Windows console does not support extra colour modes, +// so this will always set and return OutputNormal. +func SetOutputMode(mode OutputMode) OutputMode { + return OutputNormal +} + +// Sync comes handy when something causes desync between termbox's understanding +// of a terminal buffer and the reality. Such as a third party process. Sync +// forces a complete resync between the termbox and a terminal, it may not be +// visually pretty though. At the moment on Windows it does nothing. +func Sync() error { + return nil +} diff --git a/vendor/github.com/nsf/termbox-go/collect_terminfo.py b/vendor/github.com/nsf/termbox-go/collect_terminfo.py new file mode 100755 index 00000000..5e50975e --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/collect_terminfo.py @@ -0,0 +1,110 @@ +#!/usr/bin/env python + +import sys, os, subprocess + +def escaped(s): + return repr(s)[1:-1] + +def tput(term, name): + try: + return subprocess.check_output(['tput', '-T%s' % term, name]).decode() + except subprocess.CalledProcessError as e: + return e.output.decode() + + +def w(s): + if s == None: + return + sys.stdout.write(s) + +terminals = { + 'xterm' : 'xterm', + 'rxvt-256color' : 'rxvt_256color', + 'rxvt-unicode' : 'rxvt_unicode', + 'linux' : 'linux', + 'Eterm' : 'eterm', + 'screen' : 'screen' +} + +keys = [ + "F1", "kf1", + "F2", "kf2", + "F3", "kf3", + "F4", "kf4", + "F5", "kf5", + "F6", "kf6", + "F7", "kf7", + "F8", "kf8", + "F9", "kf9", + "F10", "kf10", + "F11", "kf11", + "F12", "kf12", + "INSERT", "kich1", + "DELETE", "kdch1", + "HOME", "khome", + "END", "kend", + "PGUP", "kpp", + "PGDN", "knp", + "KEY_UP", "kcuu1", + "KEY_DOWN", "kcud1", + "KEY_LEFT", "kcub1", + "KEY_RIGHT", "kcuf1" +] + +funcs = [ + "T_ENTER_CA", "smcup", + "T_EXIT_CA", "rmcup", + "T_SHOW_CURSOR", "cnorm", + "T_HIDE_CURSOR", "civis", + "T_CLEAR_SCREEN", "clear", + "T_SGR0", "sgr0", + "T_UNDERLINE", "smul", + "T_BOLD", "bold", + "T_BLINK", "blink", + "T_REVERSE", "rev", + "T_ENTER_KEYPAD", "smkx", + "T_EXIT_KEYPAD", "rmkx" +] + +def iter_pairs(iterable): + iterable = iter(iterable) + while True: + yield (next(iterable), next(iterable)) + +def do_term(term, nick): + w("// %s\n" % term) + w("var %s_keys = []string{\n\t" % nick) + for k, v in iter_pairs(keys): + w('"') + w(escaped(tput(term, v))) + w('",') + w("\n}\n") + w("var %s_funcs = []string{\n\t" % nick) + for k,v in iter_pairs(funcs): + w('"') + if v == "sgr": + w("\\033[3%d;4%dm") + elif v == "cup": + w("\\033[%d;%dH") + else: + w(escaped(tput(term, v))) + w('", ') + w("\n}\n\n") + +def do_terms(d): + w("var terms = []struct {\n") + w("\tname string\n") + w("\tkeys []string\n") + w("\tfuncs []string\n") + w("}{\n") + for k, v in d.items(): + w('\t{"%s", %s_keys, %s_funcs},\n' % (k, v, v)) + w("}\n\n") + +w("// +build !windows\n\npackage termbox\n\n") + +for k,v in terminals.items(): + do_term(k, v) + +do_terms(terminals) + diff --git a/vendor/github.com/nsf/termbox-go/escwait.go b/vendor/github.com/nsf/termbox-go/escwait.go new file mode 100644 index 00000000..b7bbb891 --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/escwait.go @@ -0,0 +1,11 @@ +// +build !darwin + +package termbox + +// On all systems other than macOS, disable behavior which will wait before +// deciding that the escape key was pressed, to account for partially send +// escape sequences, especially with regard to lengthy mouse sequences. +// See https://github.com/nsf/termbox-go/issues/132 +func enable_wait_for_escape_sequence() bool { + return false +} diff --git a/vendor/github.com/nsf/termbox-go/escwait_darwin.go b/vendor/github.com/nsf/termbox-go/escwait_darwin.go new file mode 100644 index 00000000..dde69b6c --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/escwait_darwin.go @@ -0,0 +1,9 @@ +package termbox + +// On macOS, enable behavior which will wait before deciding that the escape +// key was pressed, to account for partially send escape sequences, especially +// with regard to lengthy mouse sequences. +// See https://github.com/nsf/termbox-go/issues/132 +func enable_wait_for_escape_sequence() bool { + return true +} diff --git a/vendor/github.com/nsf/termbox-go/syscalls.go b/vendor/github.com/nsf/termbox-go/syscalls.go new file mode 100644 index 00000000..4f52bb9a --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/syscalls.go @@ -0,0 +1,39 @@ +// +build ignore + +package termbox + +/* +#include <termios.h> +#include <sys/ioctl.h> +*/ +import "C" + +type syscall_Termios C.struct_termios + +const ( + syscall_IGNBRK = C.IGNBRK + syscall_BRKINT = C.BRKINT + syscall_PARMRK = C.PARMRK + syscall_ISTRIP = C.ISTRIP + syscall_INLCR = C.INLCR + syscall_IGNCR = C.IGNCR + syscall_ICRNL = C.ICRNL + syscall_IXON = C.IXON + syscall_OPOST = C.OPOST + syscall_ECHO = C.ECHO + syscall_ECHONL = C.ECHONL + syscall_ICANON = C.ICANON + syscall_ISIG = C.ISIG + syscall_IEXTEN = C.IEXTEN + syscall_CSIZE = C.CSIZE + syscall_PARENB = C.PARENB + syscall_CS8 = C.CS8 + syscall_VMIN = C.VMIN + syscall_VTIME = C.VTIME + + // on darwin change these to (on *bsd too?): + // C.TIOCGETA + // C.TIOCSETA + syscall_TCGETS = C.TCGETS + syscall_TCSETS = C.TCSETS +) diff --git a/vendor/github.com/nsf/termbox-go/syscalls_darwin.go b/vendor/github.com/nsf/termbox-go/syscalls_darwin.go new file mode 100644 index 00000000..25b78f7a --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/syscalls_darwin.go @@ -0,0 +1,41 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +// +build !amd64 + +package termbox + +type syscall_Termios struct { + Iflag uint32 + Oflag uint32 + Cflag uint32 + Lflag uint32 + Cc [20]uint8 + Ispeed uint32 + Ospeed uint32 +} + +const ( + syscall_IGNBRK = 0x1 + syscall_BRKINT = 0x2 + syscall_PARMRK = 0x8 + syscall_ISTRIP = 0x20 + syscall_INLCR = 0x40 + syscall_IGNCR = 0x80 + syscall_ICRNL = 0x100 + syscall_IXON = 0x200 + syscall_OPOST = 0x1 + syscall_ECHO = 0x8 + syscall_ECHONL = 0x10 + syscall_ICANON = 0x100 + syscall_ISIG = 0x80 + syscall_IEXTEN = 0x400 + syscall_CSIZE = 0x300 + syscall_PARENB = 0x1000 + syscall_CS8 = 0x300 + syscall_VMIN = 0x10 + syscall_VTIME = 0x11 + + syscall_TCGETS = 0x402c7413 + syscall_TCSETS = 0x802c7414 +) diff --git a/vendor/github.com/nsf/termbox-go/syscalls_darwin_amd64.go b/vendor/github.com/nsf/termbox-go/syscalls_darwin_amd64.go new file mode 100644 index 00000000..11f25be7 --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/syscalls_darwin_amd64.go @@ -0,0 +1,40 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +package termbox + +type syscall_Termios struct { + Iflag uint64 + Oflag uint64 + Cflag uint64 + Lflag uint64 + Cc [20]uint8 + Pad_cgo_0 [4]byte + Ispeed uint64 + Ospeed uint64 +} + +const ( + syscall_IGNBRK = 0x1 + syscall_BRKINT = 0x2 + syscall_PARMRK = 0x8 + syscall_ISTRIP = 0x20 + syscall_INLCR = 0x40 + syscall_IGNCR = 0x80 + syscall_ICRNL = 0x100 + syscall_IXON = 0x200 + syscall_OPOST = 0x1 + syscall_ECHO = 0x8 + syscall_ECHONL = 0x10 + syscall_ICANON = 0x100 + syscall_ISIG = 0x80 + syscall_IEXTEN = 0x400 + syscall_CSIZE = 0x300 + syscall_PARENB = 0x1000 + syscall_CS8 = 0x300 + syscall_VMIN = 0x10 + syscall_VTIME = 0x11 + + syscall_TCGETS = 0x40487413 + syscall_TCSETS = 0x80487414 +) diff --git a/vendor/github.com/nsf/termbox-go/syscalls_dragonfly.go b/vendor/github.com/nsf/termbox-go/syscalls_dragonfly.go new file mode 100644 index 00000000..e03624eb --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/syscalls_dragonfly.go @@ -0,0 +1,39 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +package termbox + +type syscall_Termios struct { + Iflag uint32 + Oflag uint32 + Cflag uint32 + Lflag uint32 + Cc [20]uint8 + Ispeed uint32 + Ospeed uint32 +} + +const ( + syscall_IGNBRK = 0x1 + syscall_BRKINT = 0x2 + syscall_PARMRK = 0x8 + syscall_ISTRIP = 0x20 + syscall_INLCR = 0x40 + syscall_IGNCR = 0x80 + syscall_ICRNL = 0x100 + syscall_IXON = 0x200 + syscall_OPOST = 0x1 + syscall_ECHO = 0x8 + syscall_ECHONL = 0x10 + syscall_ICANON = 0x100 + syscall_ISIG = 0x80 + syscall_IEXTEN = 0x400 + syscall_CSIZE = 0x300 + syscall_PARENB = 0x1000 + syscall_CS8 = 0x300 + syscall_VMIN = 0x10 + syscall_VTIME = 0x11 + + syscall_TCGETS = 0x402c7413 + syscall_TCSETS = 0x802c7414 +) diff --git a/vendor/github.com/nsf/termbox-go/syscalls_freebsd.go b/vendor/github.com/nsf/termbox-go/syscalls_freebsd.go new file mode 100644 index 00000000..e03624eb --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/syscalls_freebsd.go @@ -0,0 +1,39 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +package termbox + +type syscall_Termios struct { + Iflag uint32 + Oflag uint32 + Cflag uint32 + Lflag uint32 + Cc [20]uint8 + Ispeed uint32 + Ospeed uint32 +} + +const ( + syscall_IGNBRK = 0x1 + syscall_BRKINT = 0x2 + syscall_PARMRK = 0x8 + syscall_ISTRIP = 0x20 + syscall_INLCR = 0x40 + syscall_IGNCR = 0x80 + syscall_ICRNL = 0x100 + syscall_IXON = 0x200 + syscall_OPOST = 0x1 + syscall_ECHO = 0x8 + syscall_ECHONL = 0x10 + syscall_ICANON = 0x100 + syscall_ISIG = 0x80 + syscall_IEXTEN = 0x400 + syscall_CSIZE = 0x300 + syscall_PARENB = 0x1000 + syscall_CS8 = 0x300 + syscall_VMIN = 0x10 + syscall_VTIME = 0x11 + + syscall_TCGETS = 0x402c7413 + syscall_TCSETS = 0x802c7414 +) diff --git a/vendor/github.com/nsf/termbox-go/syscalls_linux.go b/vendor/github.com/nsf/termbox-go/syscalls_linux.go new file mode 100644 index 00000000..b88960de --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/syscalls_linux.go @@ -0,0 +1,33 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +package termbox + +import "syscall" + +type syscall_Termios syscall.Termios + +const ( + syscall_IGNBRK = syscall.IGNBRK + syscall_BRKINT = syscall.BRKINT + syscall_PARMRK = syscall.PARMRK + syscall_ISTRIP = syscall.ISTRIP + syscall_INLCR = syscall.INLCR + syscall_IGNCR = syscall.IGNCR + syscall_ICRNL = syscall.ICRNL + syscall_IXON = syscall.IXON + syscall_OPOST = syscall.OPOST + syscall_ECHO = syscall.ECHO + syscall_ECHONL = syscall.ECHONL + syscall_ICANON = syscall.ICANON + syscall_ISIG = syscall.ISIG + syscall_IEXTEN = syscall.IEXTEN + syscall_CSIZE = syscall.CSIZE + syscall_PARENB = syscall.PARENB + syscall_CS8 = syscall.CS8 + syscall_VMIN = syscall.VMIN + syscall_VTIME = syscall.VTIME + + syscall_TCGETS = syscall.TCGETS + syscall_TCSETS = syscall.TCSETS +) diff --git a/vendor/github.com/nsf/termbox-go/syscalls_netbsd.go b/vendor/github.com/nsf/termbox-go/syscalls_netbsd.go new file mode 100644 index 00000000..49a3355b --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/syscalls_netbsd.go @@ -0,0 +1,39 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +package termbox + +type syscall_Termios struct { + Iflag uint32 + Oflag uint32 + Cflag uint32 + Lflag uint32 + Cc [20]uint8 + Ispeed int32 + Ospeed int32 +} + +const ( + syscall_IGNBRK = 0x1 + syscall_BRKINT = 0x2 + syscall_PARMRK = 0x8 + syscall_ISTRIP = 0x20 + syscall_INLCR = 0x40 + syscall_IGNCR = 0x80 + syscall_ICRNL = 0x100 + syscall_IXON = 0x200 + syscall_OPOST = 0x1 + syscall_ECHO = 0x8 + syscall_ECHONL = 0x10 + syscall_ICANON = 0x100 + syscall_ISIG = 0x80 + syscall_IEXTEN = 0x400 + syscall_CSIZE = 0x300 + syscall_PARENB = 0x1000 + syscall_CS8 = 0x300 + syscall_VMIN = 0x10 + syscall_VTIME = 0x11 + + syscall_TCGETS = 0x402c7413 + syscall_TCSETS = 0x802c7414 +) diff --git a/vendor/github.com/nsf/termbox-go/syscalls_openbsd.go b/vendor/github.com/nsf/termbox-go/syscalls_openbsd.go new file mode 100644 index 00000000..49a3355b --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/syscalls_openbsd.go @@ -0,0 +1,39 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +package termbox + +type syscall_Termios struct { + Iflag uint32 + Oflag uint32 + Cflag uint32 + Lflag uint32 + Cc [20]uint8 + Ispeed int32 + Ospeed int32 +} + +const ( + syscall_IGNBRK = 0x1 + syscall_BRKINT = 0x2 + syscall_PARMRK = 0x8 + syscall_ISTRIP = 0x20 + syscall_INLCR = 0x40 + syscall_IGNCR = 0x80 + syscall_ICRNL = 0x100 + syscall_IXON = 0x200 + syscall_OPOST = 0x1 + syscall_ECHO = 0x8 + syscall_ECHONL = 0x10 + syscall_ICANON = 0x100 + syscall_ISIG = 0x80 + syscall_IEXTEN = 0x400 + syscall_CSIZE = 0x300 + syscall_PARENB = 0x1000 + syscall_CS8 = 0x300 + syscall_VMIN = 0x10 + syscall_VTIME = 0x11 + + syscall_TCGETS = 0x402c7413 + syscall_TCSETS = 0x802c7414 +) diff --git a/vendor/github.com/nsf/termbox-go/syscalls_windows.go b/vendor/github.com/nsf/termbox-go/syscalls_windows.go new file mode 100644 index 00000000..472d002a --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/syscalls_windows.go @@ -0,0 +1,61 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs -- -DUNICODE syscalls.go + +package termbox + +const ( + foreground_blue = 0x1 + foreground_green = 0x2 + foreground_red = 0x4 + foreground_intensity = 0x8 + background_blue = 0x10 + background_green = 0x20 + background_red = 0x40 + background_intensity = 0x80 + std_input_handle = -0xa + std_output_handle = -0xb + key_event = 0x1 + mouse_event = 0x2 + window_buffer_size_event = 0x4 + enable_window_input = 0x8 + enable_mouse_input = 0x10 + enable_extended_flags = 0x80 + + vk_f1 = 0x70 + vk_f2 = 0x71 + vk_f3 = 0x72 + vk_f4 = 0x73 + vk_f5 = 0x74 + vk_f6 = 0x75 + vk_f7 = 0x76 + vk_f8 = 0x77 + vk_f9 = 0x78 + vk_f10 = 0x79 + vk_f11 = 0x7a + vk_f12 = 0x7b + vk_insert = 0x2d + vk_delete = 0x2e + vk_home = 0x24 + vk_end = 0x23 + vk_pgup = 0x21 + vk_pgdn = 0x22 + vk_arrow_up = 0x26 + vk_arrow_down = 0x28 + vk_arrow_left = 0x25 + vk_arrow_right = 0x27 + vk_backspace = 0x8 + vk_tab = 0x9 + vk_enter = 0xd + vk_esc = 0x1b + vk_space = 0x20 + + left_alt_pressed = 0x2 + left_ctrl_pressed = 0x8 + right_alt_pressed = 0x1 + right_ctrl_pressed = 0x4 + shift_pressed = 0x10 + + generic_read = 0x80000000 + generic_write = 0x40000000 + console_textmode_buffer = 0x1 +) diff --git a/vendor/github.com/nsf/termbox-go/termbox.go b/vendor/github.com/nsf/termbox-go/termbox.go new file mode 100644 index 00000000..fbe4c3de --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/termbox.go @@ -0,0 +1,529 @@ +// +build !windows + +package termbox + +import "unicode/utf8" +import "bytes" +import "syscall" +import "unsafe" +import "strings" +import "strconv" +import "os" +import "io" + +// private API + +const ( + t_enter_ca = iota + t_exit_ca + t_show_cursor + t_hide_cursor + t_clear_screen + t_sgr0 + t_underline + t_bold + t_blink + t_reverse + t_enter_keypad + t_exit_keypad + t_enter_mouse + t_exit_mouse + t_max_funcs +) + +const ( + coord_invalid = -2 + attr_invalid = Attribute(0xFFFF) +) + +type input_event struct { + data []byte + err error +} + +type extract_event_res int + +const ( + event_not_extracted extract_event_res = iota + event_extracted + esc_wait +) + +var ( + // term specific sequences + keys []string + funcs []string + + // termbox inner state + orig_tios syscall_Termios + back_buffer cellbuf + front_buffer cellbuf + termw int + termh int + input_mode = InputEsc + output_mode = OutputNormal + out *os.File + in int + lastfg = attr_invalid + lastbg = attr_invalid + lastx = coord_invalid + lasty = coord_invalid + cursor_x = cursor_hidden + cursor_y = cursor_hidden + foreground = ColorDefault + background = ColorDefault + inbuf = make([]byte, 0, 64) + outbuf bytes.Buffer + sigwinch = make(chan os.Signal, 1) + sigio = make(chan os.Signal, 1) + quit = make(chan int) + input_comm = make(chan input_event) + interrupt_comm = make(chan struct{}) + intbuf = make([]byte, 0, 16) + + // grayscale indexes + grayscale = []Attribute{ + 0, 17, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, + 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 232, + } +) + +func write_cursor(x, y int) { + outbuf.WriteString("\033[") + outbuf.Write(strconv.AppendUint(intbuf, uint64(y+1), 10)) + outbuf.WriteString(";") + outbuf.Write(strconv.AppendUint(intbuf, uint64(x+1), 10)) + outbuf.WriteString("H") +} + +func write_sgr_fg(a Attribute) { + switch output_mode { + case Output256, Output216, OutputGrayscale: + outbuf.WriteString("\033[38;5;") + outbuf.Write(strconv.AppendUint(intbuf, uint64(a-1), 10)) + outbuf.WriteString("m") + default: + outbuf.WriteString("\033[3") + outbuf.Write(strconv.AppendUint(intbuf, uint64(a-1), 10)) + outbuf.WriteString("m") + } +} + +func write_sgr_bg(a Attribute) { + switch output_mode { + case Output256, Output216, OutputGrayscale: + outbuf.WriteString("\033[48;5;") + outbuf.Write(strconv.AppendUint(intbuf, uint64(a-1), 10)) + outbuf.WriteString("m") + default: + outbuf.WriteString("\033[4") + outbuf.Write(strconv.AppendUint(intbuf, uint64(a-1), 10)) + outbuf.WriteString("m") + } +} + +func write_sgr(fg, bg Attribute) { + switch output_mode { + case Output256, Output216, OutputGrayscale: + outbuf.WriteString("\033[38;5;") + outbuf.Write(strconv.AppendUint(intbuf, uint64(fg-1), 10)) + outbuf.WriteString("m") + outbuf.WriteString("\033[48;5;") + outbuf.Write(strconv.AppendUint(intbuf, uint64(bg-1), 10)) + outbuf.WriteString("m") + default: + outbuf.WriteString("\033[3") + outbuf.Write(strconv.AppendUint(intbuf, uint64(fg-1), 10)) + outbuf.WriteString(";4") + outbuf.Write(strconv.AppendUint(intbuf, uint64(bg-1), 10)) + outbuf.WriteString("m") + } +} + +type winsize struct { + rows uint16 + cols uint16 + xpixels uint16 + ypixels uint16 +} + +func get_term_size(fd uintptr) (int, int) { + var sz winsize + _, _, _ = syscall.Syscall(syscall.SYS_IOCTL, + fd, uintptr(syscall.TIOCGWINSZ), uintptr(unsafe.Pointer(&sz))) + return int(sz.cols), int(sz.rows) +} + +func send_attr(fg, bg Attribute) { + if fg == lastfg && bg == lastbg { + return + } + + outbuf.WriteString(funcs[t_sgr0]) + + var fgcol, bgcol Attribute + + switch output_mode { + case Output256: + fgcol = fg & 0x1FF + bgcol = bg & 0x1FF + case Output216: + fgcol = fg & 0xFF + bgcol = bg & 0xFF + if fgcol > 216 { + fgcol = ColorDefault + } + if bgcol > 216 { + bgcol = ColorDefault + } + if fgcol != ColorDefault { + fgcol += 0x10 + } + if bgcol != ColorDefault { + bgcol += 0x10 + } + case OutputGrayscale: + fgcol = fg & 0x1F + bgcol = bg & 0x1F + if fgcol > 26 { + fgcol = ColorDefault + } + if bgcol > 26 { + bgcol = ColorDefault + } + if fgcol != ColorDefault { + fgcol = grayscale[fgcol] + } + if bgcol != ColorDefault { + bgcol = grayscale[bgcol] + } + default: + fgcol = fg & 0x0F + bgcol = bg & 0x0F + } + + if fgcol != ColorDefault { + if bgcol != ColorDefault { + write_sgr(fgcol, bgcol) + } else { + write_sgr_fg(fgcol) + } + } else if bgcol != ColorDefault { + write_sgr_bg(bgcol) + } + + if fg&AttrBold != 0 { + outbuf.WriteString(funcs[t_bold]) + } + if bg&AttrBold != 0 { + outbuf.WriteString(funcs[t_blink]) + } + if fg&AttrUnderline != 0 { + outbuf.WriteString(funcs[t_underline]) + } + if fg&AttrReverse|bg&AttrReverse != 0 { + outbuf.WriteString(funcs[t_reverse]) + } + + lastfg, lastbg = fg, bg +} + +func send_char(x, y int, ch rune) { + var buf [8]byte + n := utf8.EncodeRune(buf[:], ch) + if x-1 != lastx || y != lasty { + write_cursor(x, y) + } + lastx, lasty = x, y + outbuf.Write(buf[:n]) +} + +func flush() error { + _, err := io.Copy(out, &outbuf) + outbuf.Reset() + return err +} + +func send_clear() error { + send_attr(foreground, background) + outbuf.WriteString(funcs[t_clear_screen]) + if !is_cursor_hidden(cursor_x, cursor_y) { + write_cursor(cursor_x, cursor_y) + } + + // we need to invalidate cursor position too and these two vars are + // used only for simple cursor positioning optimization, cursor + // actually may be in the correct place, but we simply discard + // optimization once and it gives us simple solution for the case when + // cursor moved + lastx = coord_invalid + lasty = coord_invalid + + return flush() +} + +func update_size_maybe() error { + w, h := get_term_size(out.Fd()) + if w != termw || h != termh { + termw, termh = w, h + back_buffer.resize(termw, termh) + front_buffer.resize(termw, termh) + front_buffer.clear() + return send_clear() + } + return nil +} + +func tcsetattr(fd uintptr, termios *syscall_Termios) error { + r, _, e := syscall.Syscall(syscall.SYS_IOCTL, + fd, uintptr(syscall_TCSETS), uintptr(unsafe.Pointer(termios))) + if r != 0 { + return os.NewSyscallError("SYS_IOCTL", e) + } + return nil +} + +func tcgetattr(fd uintptr, termios *syscall_Termios) error { + r, _, e := syscall.Syscall(syscall.SYS_IOCTL, + fd, uintptr(syscall_TCGETS), uintptr(unsafe.Pointer(termios))) + if r != 0 { + return os.NewSyscallError("SYS_IOCTL", e) + } + return nil +} + +func parse_mouse_event(event *Event, buf string) (int, bool) { + if strings.HasPrefix(buf, "\033[M") && len(buf) >= 6 { + // X10 mouse encoding, the simplest one + // \033 [ M Cb Cx Cy + b := buf[3] - 32 + switch b & 3 { + case 0: + if b&64 != 0 { + event.Key = MouseWheelUp + } else { + event.Key = MouseLeft + } + case 1: + if b&64 != 0 { + event.Key = MouseWheelDown + } else { + event.Key = MouseMiddle + } + case 2: + event.Key = MouseRight + case 3: + event.Key = MouseRelease + default: + return 6, false + } + event.Type = EventMouse // KeyEvent by default + if b&32 != 0 { + event.Mod |= ModMotion + } + + // the coord is 1,1 for upper left + event.MouseX = int(buf[4]) - 1 - 32 + event.MouseY = int(buf[5]) - 1 - 32 + return 6, true + } else if strings.HasPrefix(buf, "\033[<") || strings.HasPrefix(buf, "\033[") { + // xterm 1006 extended mode or urxvt 1015 extended mode + // xterm: \033 [ < Cb ; Cx ; Cy (M or m) + // urxvt: \033 [ Cb ; Cx ; Cy M + + // find the first M or m, that's where we stop + mi := strings.IndexAny(buf, "Mm") + if mi == -1 { + return 0, false + } + + // whether it's a capital M or not + isM := buf[mi] == 'M' + + // whether it's urxvt or not + isU := false + + // buf[2] is safe here, because having M or m found means we have at + // least 3 bytes in a string + if buf[2] == '<' { + buf = buf[3:mi] + } else { + isU = true + buf = buf[2:mi] + } + + s1 := strings.Index(buf, ";") + s2 := strings.LastIndex(buf, ";") + // not found or only one ';' + if s1 == -1 || s2 == -1 || s1 == s2 { + return 0, false + } + + n1, err := strconv.ParseInt(buf[0:s1], 10, 64) + if err != nil { + return 0, false + } + n2, err := strconv.ParseInt(buf[s1+1:s2], 10, 64) + if err != nil { + return 0, false + } + n3, err := strconv.ParseInt(buf[s2+1:], 10, 64) + if err != nil { + return 0, false + } + + // on urxvt, first number is encoded exactly as in X10, but we need to + // make it zero-based, on xterm it is zero-based already + if isU { + n1 -= 32 + } + switch n1 & 3 { + case 0: + if n1&64 != 0 { + event.Key = MouseWheelUp + } else { + event.Key = MouseLeft + } + case 1: + if n1&64 != 0 { + event.Key = MouseWheelDown + } else { + event.Key = MouseMiddle + } + case 2: + event.Key = MouseRight + case 3: + event.Key = MouseRelease + default: + return mi + 1, false + } + if !isM { + // on xterm mouse release is signaled by lowercase m + event.Key = MouseRelease + } + + event.Type = EventMouse // KeyEvent by default + if n1&32 != 0 { + event.Mod |= ModMotion + } + + event.MouseX = int(n2) - 1 + event.MouseY = int(n3) - 1 + return mi + 1, true + } + + return 0, false +} + +func parse_escape_sequence(event *Event, buf []byte) (int, bool) { + bufstr := string(buf) + for i, key := range keys { + if strings.HasPrefix(bufstr, key) { + event.Ch = 0 + event.Key = Key(0xFFFF - i) + return len(key), true + } + } + + // if none of the keys match, let's try mouse sequences + return parse_mouse_event(event, bufstr) +} + +func extract_raw_event(data []byte, event *Event) bool { + if len(inbuf) == 0 { + return false + } + + n := len(data) + if n == 0 { + return false + } + + n = copy(data, inbuf) + copy(inbuf, inbuf[n:]) + inbuf = inbuf[:len(inbuf)-n] + + event.N = n + event.Type = EventRaw + return true +} + +func extract_event(inbuf []byte, event *Event, allow_esc_wait bool) extract_event_res { + if len(inbuf) == 0 { + event.N = 0 + return event_not_extracted + } + + if inbuf[0] == '\033' { + // possible escape sequence + if n, ok := parse_escape_sequence(event, inbuf); n != 0 { + event.N = n + if ok { + return event_extracted + } else { + return event_not_extracted + } + } + + // possible partially read escape sequence; trigger a wait if appropriate + if enable_wait_for_escape_sequence() && allow_esc_wait { + event.N = 0 + return esc_wait + } + + // it's not escape sequence, then it's Alt or Esc, check input_mode + switch { + case input_mode&InputEsc != 0: + // if we're in escape mode, fill Esc event, pop buffer, return success + event.Ch = 0 + event.Key = KeyEsc + event.Mod = 0 + event.N = 1 + return event_extracted + case input_mode&InputAlt != 0: + // if we're in alt mode, set Alt modifier to event and redo parsing + event.Mod = ModAlt + status := extract_event(inbuf[1:], event, false) + if status == event_extracted { + event.N++ + } else { + event.N = 0 + } + return status + default: + panic("unreachable") + } + } + + // if we're here, this is not an escape sequence and not an alt sequence + // so, it's a FUNCTIONAL KEY or a UNICODE character + + // first of all check if it's a functional key + if Key(inbuf[0]) <= KeySpace || Key(inbuf[0]) == KeyBackspace2 { + // fill event, pop buffer, return success + event.Ch = 0 + event.Key = Key(inbuf[0]) + event.N = 1 + return event_extracted + } + + // the only possible option is utf8 rune + if r, n := utf8.DecodeRune(inbuf); r != utf8.RuneError { + event.Ch = r + event.Key = 0 + event.N = n + return event_extracted + } + + return event_not_extracted +} + +func fcntl(fd int, cmd int, arg int) (val int, err error) { + r, _, e := syscall.Syscall(syscall.SYS_FCNTL, uintptr(fd), uintptr(cmd), + uintptr(arg)) + val = int(r) + if e != 0 { + err = e + } + return +} diff --git a/vendor/github.com/nsf/termbox-go/termbox_common.go b/vendor/github.com/nsf/termbox-go/termbox_common.go new file mode 100644 index 00000000..c3355cc2 --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/termbox_common.go @@ -0,0 +1,59 @@ +package termbox + +// private API, common OS agnostic part + +type cellbuf struct { + width int + height int + cells []Cell +} + +func (this *cellbuf) init(width, height int) { + this.width = width + this.height = height + this.cells = make([]Cell, width*height) +} + +func (this *cellbuf) resize(width, height int) { + if this.width == width && this.height == height { + return + } + + oldw := this.width + oldh := this.height + oldcells := this.cells + + this.init(width, height) + this.clear() + + minw, minh := oldw, oldh + + if width < minw { + minw = width + } + if height < minh { + minh = height + } + + for i := 0; i < minh; i++ { + srco, dsto := i*oldw, i*width + src := oldcells[srco : srco+minw] + dst := this.cells[dsto : dsto+minw] + copy(dst, src) + } +} + +func (this *cellbuf) clear() { + for i := range this.cells { + c := &this.cells[i] + c.Ch = ' ' + c.Fg = foreground + c.Bg = background + } +} + +const cursor_hidden = -1 + +func is_cursor_hidden(x, y int) bool { + return x == cursor_hidden || y == cursor_hidden +} diff --git a/vendor/github.com/nsf/termbox-go/termbox_windows.go b/vendor/github.com/nsf/termbox-go/termbox_windows.go new file mode 100644 index 00000000..7752a175 --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/termbox_windows.go @@ -0,0 +1,915 @@ +package termbox + +import "math" +import "syscall" +import "unsafe" +import "unicode/utf16" +import "github.com/mattn/go-runewidth" + +type ( + wchar uint16 + short int16 + dword uint32 + word uint16 + char_info struct { + char wchar + attr word + } + coord struct { + x short + y short + } + small_rect struct { + left short + top short + right short + bottom short + } + console_screen_buffer_info struct { + size coord + cursor_position coord + attributes word + window small_rect + maximum_window_size coord + } + console_cursor_info struct { + size dword + visible int32 + } + input_record struct { + event_type word + _ [2]byte + event [16]byte + } + key_event_record struct { + key_down int32 + repeat_count word + virtual_key_code word + virtual_scan_code word + unicode_char wchar + control_key_state dword + } + window_buffer_size_record struct { + size coord + } + mouse_event_record struct { + mouse_pos coord + button_state dword + control_key_state dword + event_flags dword + } + console_font_info struct { + font uint32 + font_size coord + } +) + +const ( + mouse_lmb = 0x1 + mouse_rmb = 0x2 + mouse_mmb = 0x4 | 0x8 | 0x10 + SM_CXMIN = 28 + SM_CYMIN = 29 +) + +func (this coord) uintptr() uintptr { + return uintptr(*(*int32)(unsafe.Pointer(&this))) +} + +var kernel32 = syscall.NewLazyDLL("kernel32.dll") +var moduser32 = syscall.NewLazyDLL("user32.dll") +var is_cjk = runewidth.IsEastAsian() + +var ( + proc_set_console_active_screen_buffer = kernel32.NewProc("SetConsoleActiveScreenBuffer") + proc_set_console_screen_buffer_size = kernel32.NewProc("SetConsoleScreenBufferSize") + proc_create_console_screen_buffer = kernel32.NewProc("CreateConsoleScreenBuffer") + proc_get_console_screen_buffer_info = kernel32.NewProc("GetConsoleScreenBufferInfo") + proc_write_console_output = kernel32.NewProc("WriteConsoleOutputW") + proc_write_console_output_character = kernel32.NewProc("WriteConsoleOutputCharacterW") + proc_write_console_output_attribute = kernel32.NewProc("WriteConsoleOutputAttribute") + proc_set_console_cursor_info = kernel32.NewProc("SetConsoleCursorInfo") + proc_set_console_cursor_position = kernel32.NewProc("SetConsoleCursorPosition") + proc_get_console_cursor_info = kernel32.NewProc("GetConsoleCursorInfo") + proc_read_console_input = kernel32.NewProc("ReadConsoleInputW") + proc_get_console_mode = kernel32.NewProc("GetConsoleMode") + proc_set_console_mode = kernel32.NewProc("SetConsoleMode") + proc_fill_console_output_character = kernel32.NewProc("FillConsoleOutputCharacterW") + proc_fill_console_output_attribute = kernel32.NewProc("FillConsoleOutputAttribute") + proc_create_event = kernel32.NewProc("CreateEventW") + proc_wait_for_multiple_objects = kernel32.NewProc("WaitForMultipleObjects") + proc_set_event = kernel32.NewProc("SetEvent") + proc_get_current_console_font = kernel32.NewProc("GetCurrentConsoleFont") + get_system_metrics = moduser32.NewProc("GetSystemMetrics") +) + +func set_console_active_screen_buffer(h syscall.Handle) (err error) { + r0, _, e1 := syscall.Syscall(proc_set_console_active_screen_buffer.Addr(), + 1, uintptr(h), 0, 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func set_console_screen_buffer_size(h syscall.Handle, size coord) (err error) { + r0, _, e1 := syscall.Syscall(proc_set_console_screen_buffer_size.Addr(), + 2, uintptr(h), size.uintptr(), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func create_console_screen_buffer() (h syscall.Handle, err error) { + r0, _, e1 := syscall.Syscall6(proc_create_console_screen_buffer.Addr(), + 5, uintptr(generic_read|generic_write), 0, 0, console_textmode_buffer, 0, 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return syscall.Handle(r0), err +} + +func get_console_screen_buffer_info(h syscall.Handle, info *console_screen_buffer_info) (err error) { + r0, _, e1 := syscall.Syscall(proc_get_console_screen_buffer_info.Addr(), + 2, uintptr(h), uintptr(unsafe.Pointer(info)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func write_console_output(h syscall.Handle, chars []char_info, dst small_rect) (err error) { + tmp_coord = coord{dst.right - dst.left + 1, dst.bottom - dst.top + 1} + tmp_rect = dst + r0, _, e1 := syscall.Syscall6(proc_write_console_output.Addr(), + 5, uintptr(h), uintptr(unsafe.Pointer(&chars[0])), tmp_coord.uintptr(), + tmp_coord0.uintptr(), uintptr(unsafe.Pointer(&tmp_rect)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func write_console_output_character(h syscall.Handle, chars []wchar, pos coord) (err error) { + r0, _, e1 := syscall.Syscall6(proc_write_console_output_character.Addr(), + 5, uintptr(h), uintptr(unsafe.Pointer(&chars[0])), uintptr(len(chars)), + pos.uintptr(), uintptr(unsafe.Pointer(&tmp_arg)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func write_console_output_attribute(h syscall.Handle, attrs []word, pos coord) (err error) { + r0, _, e1 := syscall.Syscall6(proc_write_console_output_attribute.Addr(), + 5, uintptr(h), uintptr(unsafe.Pointer(&attrs[0])), uintptr(len(attrs)), + pos.uintptr(), uintptr(unsafe.Pointer(&tmp_arg)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func set_console_cursor_info(h syscall.Handle, info *console_cursor_info) (err error) { + r0, _, e1 := syscall.Syscall(proc_set_console_cursor_info.Addr(), + 2, uintptr(h), uintptr(unsafe.Pointer(info)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func get_console_cursor_info(h syscall.Handle, info *console_cursor_info) (err error) { + r0, _, e1 := syscall.Syscall(proc_get_console_cursor_info.Addr(), + 2, uintptr(h), uintptr(unsafe.Pointer(info)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func set_console_cursor_position(h syscall.Handle, pos coord) (err error) { + r0, _, e1 := syscall.Syscall(proc_set_console_cursor_position.Addr(), + 2, uintptr(h), pos.uintptr(), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func read_console_input(h syscall.Handle, record *input_record) (err error) { + r0, _, e1 := syscall.Syscall6(proc_read_console_input.Addr(), + 4, uintptr(h), uintptr(unsafe.Pointer(record)), 1, uintptr(unsafe.Pointer(&tmp_arg)), 0, 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func get_console_mode(h syscall.Handle, mode *dword) (err error) { + r0, _, e1 := syscall.Syscall(proc_get_console_mode.Addr(), + 2, uintptr(h), uintptr(unsafe.Pointer(mode)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func set_console_mode(h syscall.Handle, mode dword) (err error) { + r0, _, e1 := syscall.Syscall(proc_set_console_mode.Addr(), + 2, uintptr(h), uintptr(mode), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func fill_console_output_character(h syscall.Handle, char wchar, n int) (err error) { + r0, _, e1 := syscall.Syscall6(proc_fill_console_output_character.Addr(), + 5, uintptr(h), uintptr(char), uintptr(n), tmp_coord.uintptr(), + uintptr(unsafe.Pointer(&tmp_arg)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func fill_console_output_attribute(h syscall.Handle, attr word, n int) (err error) { + r0, _, e1 := syscall.Syscall6(proc_fill_console_output_attribute.Addr(), + 5, uintptr(h), uintptr(attr), uintptr(n), tmp_coord.uintptr(), + uintptr(unsafe.Pointer(&tmp_arg)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func create_event() (out syscall.Handle, err error) { + r0, _, e1 := syscall.Syscall6(proc_create_event.Addr(), + 4, 0, 0, 0, 0, 0, 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return syscall.Handle(r0), err +} + +func wait_for_multiple_objects(objects []syscall.Handle) (err error) { + r0, _, e1 := syscall.Syscall6(proc_wait_for_multiple_objects.Addr(), + 4, uintptr(len(objects)), uintptr(unsafe.Pointer(&objects[0])), + 0, 0xFFFFFFFF, 0, 0) + if uint32(r0) == 0xFFFFFFFF { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func set_event(ev syscall.Handle) (err error) { + r0, _, e1 := syscall.Syscall(proc_set_event.Addr(), + 1, uintptr(ev), 0, 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func get_current_console_font(h syscall.Handle, info *console_font_info) (err error) { + r0, _, e1 := syscall.Syscall(proc_get_current_console_font.Addr(), + 3, uintptr(h), 0, uintptr(unsafe.Pointer(info))) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +type diff_msg struct { + pos short + lines short + chars []char_info +} + +type input_event struct { + event Event + err error +} + +var ( + orig_cursor_info console_cursor_info + orig_size coord + orig_mode dword + orig_screen syscall.Handle + back_buffer cellbuf + front_buffer cellbuf + term_size coord + input_mode = InputEsc + cursor_x = cursor_hidden + cursor_y = cursor_hidden + foreground = ColorDefault + background = ColorDefault + in syscall.Handle + out syscall.Handle + interrupt syscall.Handle + charbuf []char_info + diffbuf []diff_msg + beg_x = -1 + beg_y = -1 + beg_i = -1 + input_comm = make(chan Event) + interrupt_comm = make(chan struct{}) + cancel_comm = make(chan bool, 1) + cancel_done_comm = make(chan bool) + alt_mode_esc = false + + // these ones just to prevent heap allocs at all costs + tmp_info console_screen_buffer_info + tmp_arg dword + tmp_coord0 = coord{0, 0} + tmp_coord = coord{0, 0} + tmp_rect = small_rect{0, 0, 0, 0} + tmp_finfo console_font_info +) + +func get_cursor_position(out syscall.Handle) coord { + err := get_console_screen_buffer_info(out, &tmp_info) + if err != nil { + panic(err) + } + return tmp_info.cursor_position +} + +func get_term_size(out syscall.Handle) coord { + err := get_console_screen_buffer_info(out, &tmp_info) + if err != nil { + panic(err) + } + return tmp_info.size +} + +func get_win_min_size(out syscall.Handle) coord { + x, _, err := get_system_metrics.Call(SM_CXMIN) + y, _, err := get_system_metrics.Call(SM_CYMIN) + + if x == 0 || y == 0 { + if err != nil { + panic(err) + } + } + + err1 := get_current_console_font(out, &tmp_finfo) + if err1 != nil { + panic(err1) + } + + return coord{ + x: short(math.Ceil(float64(x) / float64(tmp_finfo.font_size.x))), + y: short(math.Ceil(float64(y) / float64(tmp_finfo.font_size.y))), + } +} + +func get_win_size(out syscall.Handle) coord { + err := get_console_screen_buffer_info(out, &tmp_info) + if err != nil { + panic(err) + } + + min_size := get_win_min_size(out) + + size := coord{ + x: tmp_info.window.right - tmp_info.window.left + 1, + y: tmp_info.window.bottom - tmp_info.window.top + 1, + } + + if size.x < min_size.x { + size.x = min_size.x + } + + if size.y < min_size.y { + size.y = min_size.y + } + + return size +} + +func update_size_maybe() { + size := get_win_size(out) + if size.x != term_size.x || size.y != term_size.y { + set_console_screen_buffer_size(out, size) + term_size = size + back_buffer.resize(int(size.x), int(size.y)) + front_buffer.resize(int(size.x), int(size.y)) + front_buffer.clear() + clear() + + area := int(size.x) * int(size.y) + if cap(charbuf) < area { + charbuf = make([]char_info, 0, area) + } + } +} + +var color_table_bg = []word{ + 0, // default (black) + 0, // black + background_red, + background_green, + background_red | background_green, // yellow + background_blue, + background_red | background_blue, // magenta + background_green | background_blue, // cyan + background_red | background_blue | background_green, // white +} + +var color_table_fg = []word{ + foreground_red | foreground_blue | foreground_green, // default (white) + 0, + foreground_red, + foreground_green, + foreground_red | foreground_green, // yellow + foreground_blue, + foreground_red | foreground_blue, // magenta + foreground_green | foreground_blue, // cyan + foreground_red | foreground_blue | foreground_green, // white +} + +const ( + replacement_char = '\uFFFD' + max_rune = '\U0010FFFF' + surr1 = 0xd800 + surr2 = 0xdc00 + surr3 = 0xe000 + surr_self = 0x10000 +) + +func append_diff_line(y int) int { + n := 0 + for x := 0; x < front_buffer.width; { + cell_offset := y*front_buffer.width + x + back := &back_buffer.cells[cell_offset] + front := &front_buffer.cells[cell_offset] + attr, char := cell_to_char_info(*back) + charbuf = append(charbuf, char_info{attr: attr, char: char[0]}) + *front = *back + n++ + w := runewidth.RuneWidth(back.Ch) + if w == 0 || w == 2 && runewidth.IsAmbiguousWidth(back.Ch) { + w = 1 + } + x += w + // If not CJK, fill trailing space with whitespace + if !is_cjk && w == 2 { + charbuf = append(charbuf, char_info{attr: attr, char: ' '}) + } + } + return n +} + +// compares 'back_buffer' with 'front_buffer' and prepares all changes in the form of +// 'diff_msg's in the 'diff_buf' +func prepare_diff_messages() { + // clear buffers + diffbuf = diffbuf[:0] + charbuf = charbuf[:0] + + var diff diff_msg + gbeg := 0 + for y := 0; y < front_buffer.height; y++ { + same := true + line_offset := y * front_buffer.width + for x := 0; x < front_buffer.width; x++ { + cell_offset := line_offset + x + back := &back_buffer.cells[cell_offset] + front := &front_buffer.cells[cell_offset] + if *back != *front { + same = false + break + } + } + if same && diff.lines > 0 { + diffbuf = append(diffbuf, diff) + diff = diff_msg{} + } + if !same { + beg := len(charbuf) + end := beg + append_diff_line(y) + if diff.lines == 0 { + diff.pos = short(y) + gbeg = beg + } + diff.lines++ + diff.chars = charbuf[gbeg:end] + } + } + if diff.lines > 0 { + diffbuf = append(diffbuf, diff) + diff = diff_msg{} + } +} + +func get_ct(table []word, idx int) word { + idx = idx & 0x0F + if idx >= len(table) { + idx = len(table) - 1 + } + return table[idx] +} + +func cell_to_char_info(c Cell) (attr word, wc [2]wchar) { + attr = get_ct(color_table_fg, int(c.Fg)) | get_ct(color_table_bg, int(c.Bg)) + if c.Fg&AttrReverse|c.Bg&AttrReverse != 0 { + attr = (attr&0xF0)>>4 | (attr&0x0F)<<4 + } + if c.Fg&AttrBold != 0 { + attr |= foreground_intensity + } + if c.Bg&AttrBold != 0 { + attr |= background_intensity + } + + r0, r1 := utf16.EncodeRune(c.Ch) + if r0 == 0xFFFD { + wc[0] = wchar(c.Ch) + wc[1] = ' ' + } else { + wc[0] = wchar(r0) + wc[1] = wchar(r1) + } + return +} + +func move_cursor(x, y int) { + err := set_console_cursor_position(out, coord{short(x), short(y)}) + if err != nil { + panic(err) + } +} + +func show_cursor(visible bool) { + var v int32 + if visible { + v = 1 + } + + var info console_cursor_info + info.size = 100 + info.visible = v + err := set_console_cursor_info(out, &info) + if err != nil { + panic(err) + } +} + +func clear() { + var err error + attr, char := cell_to_char_info(Cell{ + ' ', + foreground, + background, + }) + + area := int(term_size.x) * int(term_size.y) + err = fill_console_output_attribute(out, attr, area) + if err != nil { + panic(err) + } + err = fill_console_output_character(out, char[0], area) + if err != nil { + panic(err) + } + if !is_cursor_hidden(cursor_x, cursor_y) { + move_cursor(cursor_x, cursor_y) + } +} + +func key_event_record_to_event(r *key_event_record) (Event, bool) { + if r.key_down == 0 { + return Event{}, false + } + + e := Event{Type: EventKey} + if input_mode&InputAlt != 0 { + if alt_mode_esc { + e.Mod = ModAlt + alt_mode_esc = false + } + if r.control_key_state&(left_alt_pressed|right_alt_pressed) != 0 { + e.Mod = ModAlt + } + } + + ctrlpressed := r.control_key_state&(left_ctrl_pressed|right_ctrl_pressed) != 0 + + if r.virtual_key_code >= vk_f1 && r.virtual_key_code <= vk_f12 { + switch r.virtual_key_code { + case vk_f1: + e.Key = KeyF1 + case vk_f2: + e.Key = KeyF2 + case vk_f3: + e.Key = KeyF3 + case vk_f4: + e.Key = KeyF4 + case vk_f5: + e.Key = KeyF5 + case vk_f6: + e.Key = KeyF6 + case vk_f7: + e.Key = KeyF7 + case vk_f8: + e.Key = KeyF8 + case vk_f9: + e.Key = KeyF9 + case vk_f10: + e.Key = KeyF10 + case vk_f11: + e.Key = KeyF11 + case vk_f12: + e.Key = KeyF12 + default: + panic("unreachable") + } + + return e, true + } + + if r.virtual_key_code <= vk_delete { + switch r.virtual_key_code { + case vk_insert: + e.Key = KeyInsert + case vk_delete: + e.Key = KeyDelete + case vk_home: + e.Key = KeyHome + case vk_end: + e.Key = KeyEnd + case vk_pgup: + e.Key = KeyPgup + case vk_pgdn: + e.Key = KeyPgdn + case vk_arrow_up: + e.Key = KeyArrowUp + case vk_arrow_down: + e.Key = KeyArrowDown + case vk_arrow_left: + e.Key = KeyArrowLeft + case vk_arrow_right: + e.Key = KeyArrowRight + case vk_backspace: + if ctrlpressed { + e.Key = KeyBackspace2 + } else { + e.Key = KeyBackspace + } + case vk_tab: + e.Key = KeyTab + case vk_enter: + e.Key = KeyEnter + case vk_esc: + switch { + case input_mode&InputEsc != 0: + e.Key = KeyEsc + case input_mode&InputAlt != 0: + alt_mode_esc = true + return Event{}, false + } + case vk_space: + if ctrlpressed { + // manual return here, because KeyCtrlSpace is zero + e.Key = KeyCtrlSpace + return e, true + } else { + e.Key = KeySpace + } + } + + if e.Key != 0 { + return e, true + } + } + + if ctrlpressed { + if Key(r.unicode_char) >= KeyCtrlA && Key(r.unicode_char) <= KeyCtrlRsqBracket { + e.Key = Key(r.unicode_char) + if input_mode&InputAlt != 0 && e.Key == KeyEsc { + alt_mode_esc = true + return Event{}, false + } + return e, true + } + switch r.virtual_key_code { + case 192, 50: + // manual return here, because KeyCtrl2 is zero + e.Key = KeyCtrl2 + return e, true + case 51: + if input_mode&InputAlt != 0 { + alt_mode_esc = true + return Event{}, false + } + e.Key = KeyCtrl3 + case 52: + e.Key = KeyCtrl4 + case 53: + e.Key = KeyCtrl5 + case 54: + e.Key = KeyCtrl6 + case 189, 191, 55: + e.Key = KeyCtrl7 + case 8, 56: + e.Key = KeyCtrl8 + } + + if e.Key != 0 { + return e, true + } + } + + if r.unicode_char != 0 { + e.Ch = rune(r.unicode_char) + return e, true + } + + return Event{}, false +} + +func input_event_producer() { + var r input_record + var err error + var last_button Key + var last_button_pressed Key + var last_state = dword(0) + var last_x, last_y = -1, -1 + handles := []syscall.Handle{in, interrupt} + for { + err = wait_for_multiple_objects(handles) + if err != nil { + input_comm <- Event{Type: EventError, Err: err} + } + + select { + case <-cancel_comm: + cancel_done_comm <- true + return + default: + } + + err = read_console_input(in, &r) + if err != nil { + input_comm <- Event{Type: EventError, Err: err} + } + + switch r.event_type { + case key_event: + kr := (*key_event_record)(unsafe.Pointer(&r.event)) + ev, ok := key_event_record_to_event(kr) + if ok { + for i := 0; i < int(kr.repeat_count); i++ { + input_comm <- ev + } + } + case window_buffer_size_event: + sr := *(*window_buffer_size_record)(unsafe.Pointer(&r.event)) + input_comm <- Event{ + Type: EventResize, + Width: int(sr.size.x), + Height: int(sr.size.y), + } + case mouse_event: + mr := *(*mouse_event_record)(unsafe.Pointer(&r.event)) + ev := Event{Type: EventMouse} + switch mr.event_flags { + case 0, 2: + // single or double click + cur_state := mr.button_state + switch { + case last_state&mouse_lmb == 0 && cur_state&mouse_lmb != 0: + last_button = MouseLeft + last_button_pressed = last_button + case last_state&mouse_rmb == 0 && cur_state&mouse_rmb != 0: + last_button = MouseRight + last_button_pressed = last_button + case last_state&mouse_mmb == 0 && cur_state&mouse_mmb != 0: + last_button = MouseMiddle + last_button_pressed = last_button + case last_state&mouse_lmb != 0 && cur_state&mouse_lmb == 0: + last_button = MouseRelease + case last_state&mouse_rmb != 0 && cur_state&mouse_rmb == 0: + last_button = MouseRelease + case last_state&mouse_mmb != 0 && cur_state&mouse_mmb == 0: + last_button = MouseRelease + default: + last_state = cur_state + continue + } + last_state = cur_state + ev.Key = last_button + last_x, last_y = int(mr.mouse_pos.x), int(mr.mouse_pos.y) + ev.MouseX = last_x + ev.MouseY = last_y + case 1: + // mouse motion + x, y := int(mr.mouse_pos.x), int(mr.mouse_pos.y) + if last_state != 0 && (last_x != x || last_y != y) { + ev.Key = last_button_pressed + ev.Mod = ModMotion + ev.MouseX = x + ev.MouseY = y + last_x, last_y = x, y + } else { + ev.Type = EventNone + } + case 4: + // mouse wheel + n := int16(mr.button_state >> 16) + if n > 0 { + ev.Key = MouseWheelUp + } else { + ev.Key = MouseWheelDown + } + last_x, last_y = int(mr.mouse_pos.x), int(mr.mouse_pos.y) + ev.MouseX = last_x + ev.MouseY = last_y + default: + ev.Type = EventNone + } + if ev.Type != EventNone { + input_comm <- ev + } + } + } +} diff --git a/vendor/github.com/nsf/termbox-go/terminfo.go b/vendor/github.com/nsf/termbox-go/terminfo.go new file mode 100644 index 00000000..ab2e7a19 --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/terminfo.go @@ -0,0 +1,232 @@ +// +build !windows +// This file contains a simple and incomplete implementation of the terminfo +// database. Information was taken from the ncurses manpages term(5) and +// terminfo(5). Currently, only the string capabilities for special keys and for +// functions without parameters are actually used. Colors are still done with +// ANSI escape sequences. Other special features that are not (yet?) supported +// are reading from ~/.terminfo, the TERMINFO_DIRS variable, Berkeley database +// format and extended capabilities. + +package termbox + +import ( + "bytes" + "encoding/binary" + "encoding/hex" + "errors" + "fmt" + "io/ioutil" + "os" + "strings" +) + +const ( + ti_magic = 0432 + ti_header_length = 12 + ti_mouse_enter = "\x1b[?1000h\x1b[?1002h\x1b[?1015h\x1b[?1006h" + ti_mouse_leave = "\x1b[?1006l\x1b[?1015l\x1b[?1002l\x1b[?1000l" +) + +func load_terminfo() ([]byte, error) { + var data []byte + var err error + + term := os.Getenv("TERM") + if term == "" { + return nil, fmt.Errorf("termbox: TERM not set") + } + + // The following behaviour follows the one described in terminfo(5) as + // distributed by ncurses. + + terminfo := os.Getenv("TERMINFO") + if terminfo != "" { + // if TERMINFO is set, no other directory should be searched + return ti_try_path(terminfo) + } + + // next, consider ~/.terminfo + home := os.Getenv("HOME") + if home != "" { + data, err = ti_try_path(home + "/.terminfo") + if err == nil { + return data, nil + } + } + + // next, TERMINFO_DIRS + dirs := os.Getenv("TERMINFO_DIRS") + if dirs != "" { + for _, dir := range strings.Split(dirs, ":") { + if dir == "" { + // "" -> "/usr/share/terminfo" + dir = "/usr/share/terminfo" + } + data, err = ti_try_path(dir) + if err == nil { + return data, nil + } + } + } + + // next, /lib/terminfo + data, err = ti_try_path("/lib/terminfo") + if err == nil { + return data, nil + } + + // fall back to /usr/share/terminfo + return ti_try_path("/usr/share/terminfo") +} + +func ti_try_path(path string) (data []byte, err error) { + // load_terminfo already made sure it is set + term := os.Getenv("TERM") + + // first try, the typical *nix path + terminfo := path + "/" + term[0:1] + "/" + term + data, err = ioutil.ReadFile(terminfo) + if err == nil { + return + } + + // fallback to darwin specific dirs structure + terminfo = path + "/" + hex.EncodeToString([]byte(term[:1])) + "/" + term + data, err = ioutil.ReadFile(terminfo) + return +} + +func setup_term_builtin() error { + name := os.Getenv("TERM") + if name == "" { + return errors.New("termbox: TERM environment variable not set") + } + + for _, t := range terms { + if t.name == name { + keys = t.keys + funcs = t.funcs + return nil + } + } + + compat_table := []struct { + partial string + keys []string + funcs []string + }{ + {"xterm", xterm_keys, xterm_funcs}, + {"rxvt", rxvt_unicode_keys, rxvt_unicode_funcs}, + {"linux", linux_keys, linux_funcs}, + {"Eterm", eterm_keys, eterm_funcs}, + {"screen", screen_keys, screen_funcs}, + // let's assume that 'cygwin' is xterm compatible + {"cygwin", xterm_keys, xterm_funcs}, + {"st", xterm_keys, xterm_funcs}, + } + + // try compatibility variants + for _, it := range compat_table { + if strings.Contains(name, it.partial) { + keys = it.keys + funcs = it.funcs + return nil + } + } + + return errors.New("termbox: unsupported terminal") +} + +func setup_term() (err error) { + var data []byte + var header [6]int16 + var str_offset, table_offset int16 + + data, err = load_terminfo() + if err != nil { + return setup_term_builtin() + } + + rd := bytes.NewReader(data) + // 0: magic number, 1: size of names section, 2: size of boolean section, 3: + // size of numbers section (in integers), 4: size of the strings section (in + // integers), 5: size of the string table + + err = binary.Read(rd, binary.LittleEndian, header[:]) + if err != nil { + return + } + + number_sec_len := int16(2) + if header[0] == 542 { // doc says it should be octal 0542, but what I see it terminfo files is 542, learn to program please... thank you.. + number_sec_len = 4 + } + + if (header[1]+header[2])%2 != 0 { + // old quirk to align everything on word boundaries + header[2] += 1 + } + str_offset = ti_header_length + header[1] + header[2] + number_sec_len*header[3] + table_offset = str_offset + 2*header[4] + + keys = make([]string, 0xFFFF-key_min) + for i, _ := range keys { + keys[i], err = ti_read_string(rd, str_offset+2*ti_keys[i], table_offset) + if err != nil { + return + } + } + funcs = make([]string, t_max_funcs) + // the last two entries are reserved for mouse. because the table offset is + // not there, the two entries have to fill in manually + for i, _ := range funcs[:len(funcs)-2] { + funcs[i], err = ti_read_string(rd, str_offset+2*ti_funcs[i], table_offset) + if err != nil { + return + } + } + funcs[t_max_funcs-2] = ti_mouse_enter + funcs[t_max_funcs-1] = ti_mouse_leave + return nil +} + +func ti_read_string(rd *bytes.Reader, str_off, table int16) (string, error) { + var off int16 + + _, err := rd.Seek(int64(str_off), 0) + if err != nil { + return "", err + } + err = binary.Read(rd, binary.LittleEndian, &off) + if err != nil { + return "", err + } + _, err = rd.Seek(int64(table+off), 0) + if err != nil { + return "", err + } + var bs []byte + for { + b, err := rd.ReadByte() + if err != nil { + return "", err + } + if b == byte(0x00) { + break + } + bs = append(bs, b) + } + return string(bs), nil +} + +// "Maps" the function constants from termbox.go to the number of the respective +// string capability in the terminfo file. Taken from (ncurses) term.h. +var ti_funcs = []int16{ + 28, 40, 16, 13, 5, 39, 36, 27, 26, 34, 89, 88, +} + +// Same as above for the special keys. +var ti_keys = []int16{ + 66, 68 /* apparently not a typo; 67 is F10 for whatever reason */, 69, 70, + 71, 72, 73, 74, 75, 67, 216, 217, 77, 59, 76, 164, 82, 81, 87, 61, 79, 83, +} diff --git a/vendor/github.com/nsf/termbox-go/terminfo_builtin.go b/vendor/github.com/nsf/termbox-go/terminfo_builtin.go new file mode 100644 index 00000000..a9486606 --- /dev/null +++ b/vendor/github.com/nsf/termbox-go/terminfo_builtin.go @@ -0,0 +1,64 @@ +// +build !windows + +package termbox + +// Eterm +var eterm_keys = []string{ + "\x1b[11~", "\x1b[12~", "\x1b[13~", "\x1b[14~", "\x1b[15~", "\x1b[17~", "\x1b[18~", "\x1b[19~", "\x1b[20~", "\x1b[21~", "\x1b[23~", "\x1b[24~", "\x1b[2~", "\x1b[3~", "\x1b[7~", "\x1b[8~", "\x1b[5~", "\x1b[6~", "\x1b[A", "\x1b[B", "\x1b[D", "\x1b[C", +} +var eterm_funcs = []string{ + "\x1b7\x1b[?47h", "\x1b[2J\x1b[?47l\x1b8", "\x1b[?25h", "\x1b[?25l", "\x1b[H\x1b[2J", "\x1b[m\x0f", "\x1b[4m", "\x1b[1m", "\x1b[5m", "\x1b[7m", "", "", "", "", +} + +// screen +var screen_keys = []string{ + "\x1bOP", "\x1bOQ", "\x1bOR", "\x1bOS", "\x1b[15~", "\x1b[17~", "\x1b[18~", "\x1b[19~", "\x1b[20~", "\x1b[21~", "\x1b[23~", "\x1b[24~", "\x1b[2~", "\x1b[3~", "\x1b[1~", "\x1b[4~", "\x1b[5~", "\x1b[6~", "\x1bOA", "\x1bOB", "\x1bOD", "\x1bOC", +} +var screen_funcs = []string{ + "\x1b[?1049h", "\x1b[?1049l", "\x1b[34h\x1b[?25h", "\x1b[?25l", "\x1b[H\x1b[J", "\x1b[m\x0f", "\x1b[4m", "\x1b[1m", "\x1b[5m", "\x1b[7m", "\x1b[?1h\x1b=", "\x1b[?1l\x1b>", ti_mouse_enter, ti_mouse_leave, +} + +// xterm +var xterm_keys = []string{ + "\x1bOP", "\x1bOQ", "\x1bOR", "\x1bOS", "\x1b[15~", "\x1b[17~", "\x1b[18~", "\x1b[19~", "\x1b[20~", "\x1b[21~", "\x1b[23~", "\x1b[24~", "\x1b[2~", "\x1b[3~", "\x1bOH", "\x1bOF", "\x1b[5~", "\x1b[6~", "\x1bOA", "\x1bOB", "\x1bOD", "\x1bOC", +} +var xterm_funcs = []string{ + "\x1b[?1049h", "\x1b[?1049l", "\x1b[?12l\x1b[?25h", "\x1b[?25l", "\x1b[H\x1b[2J", "\x1b(B\x1b[m", "\x1b[4m", "\x1b[1m", "\x1b[5m", "\x1b[7m", "\x1b[?1h\x1b=", "\x1b[?1l\x1b>", ti_mouse_enter, ti_mouse_leave, +} + +// rxvt-unicode +var rxvt_unicode_keys = []string{ + "\x1b[11~", "\x1b[12~", "\x1b[13~", "\x1b[14~", "\x1b[15~", "\x1b[17~", "\x1b[18~", "\x1b[19~", "\x1b[20~", "\x1b[21~", "\x1b[23~", "\x1b[24~", "\x1b[2~", "\x1b[3~", "\x1b[7~", "\x1b[8~", "\x1b[5~", "\x1b[6~", "\x1b[A", "\x1b[B", "\x1b[D", "\x1b[C", +} +var rxvt_unicode_funcs = []string{ + "\x1b[?1049h", "\x1b[r\x1b[?1049l", "\x1b[?25h", "\x1b[?25l", "\x1b[H\x1b[2J", "\x1b[m\x1b(B", "\x1b[4m", "\x1b[1m", "\x1b[5m", "\x1b[7m", "\x1b=", "\x1b>", ti_mouse_enter, ti_mouse_leave, +} + +// linux +var linux_keys = []string{ + "\x1b[[A", "\x1b[[B", "\x1b[[C", "\x1b[[D", "\x1b[[E", "\x1b[17~", "\x1b[18~", "\x1b[19~", "\x1b[20~", "\x1b[21~", "\x1b[23~", "\x1b[24~", "\x1b[2~", "\x1b[3~", "\x1b[1~", "\x1b[4~", "\x1b[5~", "\x1b[6~", "\x1b[A", "\x1b[B", "\x1b[D", "\x1b[C", +} +var linux_funcs = []string{ + "", "", "\x1b[?25h\x1b[?0c", "\x1b[?25l\x1b[?1c", "\x1b[H\x1b[J", "\x1b[0;10m", "\x1b[4m", "\x1b[1m", "\x1b[5m", "\x1b[7m", "", "", "", "", +} + +// rxvt-256color +var rxvt_256color_keys = []string{ + "\x1b[11~", "\x1b[12~", "\x1b[13~", "\x1b[14~", "\x1b[15~", "\x1b[17~", "\x1b[18~", "\x1b[19~", "\x1b[20~", "\x1b[21~", "\x1b[23~", "\x1b[24~", "\x1b[2~", "\x1b[3~", "\x1b[7~", "\x1b[8~", "\x1b[5~", "\x1b[6~", "\x1b[A", "\x1b[B", "\x1b[D", "\x1b[C", +} +var rxvt_256color_funcs = []string{ + "\x1b7\x1b[?47h", "\x1b[2J\x1b[?47l\x1b8", "\x1b[?25h", "\x1b[?25l", "\x1b[H\x1b[2J", "\x1b[m\x0f", "\x1b[4m", "\x1b[1m", "\x1b[5m", "\x1b[7m", "\x1b=", "\x1b>", ti_mouse_enter, ti_mouse_leave, +} + +var terms = []struct { + name string + keys []string + funcs []string +}{ + {"Eterm", eterm_keys, eterm_funcs}, + {"screen", screen_keys, screen_funcs}, + {"xterm", xterm_keys, xterm_funcs}, + {"rxvt-unicode", rxvt_unicode_keys, rxvt_unicode_funcs}, + {"linux", linux_keys, linux_funcs}, + {"rxvt-256color", rxvt_256color_keys, rxvt_256color_funcs}, +} |