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From 57574a037b4faff9a3f36df12519d2ee4b479824 Mon Sep 17 00:00:00 2001
From: Silvan Jegen <s.jegen@gmail.com>
Date: Sun, 26 Feb 2017 16:47:12 +0100
Subject: [PATCH 1/6] vis: reimplement `gf` and `<C-w>gf` functionality in lua
The functionality is not exactly identical since both bindings open the
file name under the cursor in a new window. The older implementation
opened the file in the same window with `gf` and in a new one with
`<C-w>gf`.
---
lua/plugins/open-file-under-cursor.lua | 38 +++++++++++++++++++++++++++++++++
lua/vis-std.lua | 2 +
2 files changed, 40 insertions(+)
--- /dev/null
+++ b/lua/plugins/open-file-under-cursor.lua
@@ -0,0 +1,38 @@
+-- open file at primary cursor location
+
+local lpeg = vis.lpeg
+local l = vis.lexers
+local dq_str = l.delimited_range('"', true)
+local sq_str = l.delimited_range("'", true)
+local include = l.delimited_range("<>", true, true, true)
+local filename = dq_str + sq_str + include + (1 - lpeg.S('"\'\t\v\f\r()[]{} \n'))^1
+
+vis:map(vis.modes.NORMAL, "gf", function(keys)
+ local mstart, mend = vis.win.file:match_at(filename, vis.win.selection.pos, 200)
+ if not mstart or not mend then
+ vis:info("No filename found under the cursor.")
+ return #keys
+ end
+ local fnoffstr = vis.win.file:content(mstart, mend-mstart)
+ local offsetcmd
+ local fn = fnoffstr
+ local offset = fnoffstr:find(":")
+ if not offset then
+ local offset = fnoffstr:find("/")
+ end
+ if offset then
+ offsetcmd = fnoffstr:sub(offset)
+ fn = fnoffstr:sub(1, offset-1)
+ end
+ local ok = vis:command(string.format("open %s", fn))
+ if not ok then
+ vis:info("Could not open file " .. fn)
+ return #keys
+ end
+ if offsetcmd then
+ vis:command(offsetcmd)
+ end
+ return #keys
+end, "Open file under cursor in a new window")
+
+vis:map(vis.modes.NORMAL, "<C-w>gf", "gf")
--- a/lua/vis-std.lua
+++ b/lua/vis-std.lua
@@ -165,3 +165,5 @@ require('plugins/digraph')
require('plugins/number-inc-dec')
require('plugins/complete-word')
require('plugins/complete-filename')
+require('plugins/open-file-under-cursor')
+
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