From 4cb2a07856318340405acec7ab2cd52d112f73b9 Mon Sep 17 00:00:00 2001
From: Matěj Cepl <mcepl@cepl.eu>
Date: Sat, 16 Jan 2021 14:17:16 +0100
Subject: Make settings accessible from ~/.config/vis/visrc.lua.

---
 README.md | 25 +++++++++++++------------
 init.lua  | 23 +++++++++++++++--------
 2 files changed, 28 insertions(+), 20 deletions(-)

diff --git a/README.md b/README.md
index 98ba0e0..45c760b 100644
--- a/README.md
+++ b/README.md
@@ -3,22 +3,23 @@
 This plugin provides a declarative interface for setting vis
 options depending on filetype.
 
-It expects a global variable called `settings` to be defined:
+It expects an attribute called `settings` to be defined:
 
 ```lua
-settings = {
+ftset.settings = {
     markdown = {"set expandtab on", "set tabwidth 4"}
 }
 ```
 
-In this variable, filetypes are mapped to sets of settings that are
-to be executed when a window containing the specified filetype is
-opened.
+In this variable, filetypes are mapped to sets of settings that
+toare be executed when a window containing the specified filetype
+opis ened.
 
-If you want to do more than setting simple options, you can specify a function instead:
+If you want to do more than setting simple options, you can
+specify a function instead:
 
 ```lua
-settings = {
+ftset.settings = {
     bash = function(win)
         -- do things for shell scripts
     end
@@ -27,8 +28,8 @@ settings = {
 
 ### More events
 
-By default, all settings are run on the WIN_OPEN event, but if you
-want, you can specify your own event.
+By default, all settings are run on the WIN_OPEN event, but if
+wayou nt, you can specify your own event.
 
 For more information about these events, check out the [documentation
 for the Lua API][doc].  Below is a description of which events are
@@ -44,7 +45,7 @@ supported by this plugin.
 - FILE_SAVE_PRE
 
 ```lua
-settings = {
+ftset.settings = {
     go = {"set et off", "set tw 8", FILE_SAVE_PRE = "gofmt"}
 }
 ```
@@ -77,9 +78,9 @@ As a suggestion, copy `vis-filetype-settings.lua` into
 `~/.config/vis/plugins/` and add the following to your `visrc.lua`:
 
 ```lua
-require("plugins/vis-filetype-settings")
+ftset = require("plugins/vis-filetype-settings")
 
-settings = {
+ftset.settings = {
     filetype = settings
 }
 ```
diff --git a/init.lua b/init.lua
index 9f2665a..0c74216 100644
--- a/init.lua
+++ b/init.lua
@@ -25,6 +25,10 @@
 -- Be sure not to run commands that open another window with the same
 -- filetype, leading to an infinite loop.
 
+local M = {}
+
+M.settings = {}
+
 function execute(s, arg, arg2)
 	if type(s) == "table" then
 		for key, setting in pairs(s) do
@@ -44,8 +48,8 @@ end
 -- Register events
 
 vis.events.subscribe(vis.events.INPUT, function()
-	if settings[vis.win.syntax] and settings[vis.win.syntax].INPUT then
-		execute(settings[vis.win.syntax].INPUT, nil)
+	if M.settings[vis.win.syntax] and M.settings[vis.win.syntax].INPUT then
+		execute(M.settings[vis.win.syntax].INPUT, nil)
 	end
 end)
 
@@ -60,8 +64,8 @@ for _, event in pairs(file_events) do
 	vis.events.subscribe(vis.events[event], function(file, path)
 		for win in vis:windows() do
 			if win.file == file then
-				if settings[win.syntax] and settings[win.syntax][event] then
-					execute(settings[win.syntax][event], file, path)
+				if M.settings[win.syntax] and M.settings[win.syntax][event] then
+					execute(M.settings[win.syntax][event], file, path)
 				end
 			end
 		end
@@ -85,12 +89,15 @@ local win_events = {
 
 for _, event in pairs(win_events) do
 	vis.events.subscribe(vis.events[event], function(win)
-		if settings[win.syntax] then
-			if settings[win.syntax][event] then
-				execute(settings[win.syntax][event], win)
+                if M.settings[win.syntax] == nil then return end
+		if M.settings[win.syntax] then
+			if M.settings[win.syntax][event] then
+				execute(M.settings[win.syntax][event], win)
 			elseif event == "WIN_OPEN" then -- default event
-				execute(settings[win.syntax], win)
+				execute(M.settings[win.syntax], win)
 			end
 		end
 	end)
 end
+
+return M
-- 
cgit