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-- mod-version:2 -- lite-xl 2.0
local core = require "core"
local Doc = require "core.doc"
local syntax = require "core.syntax"
local command = require "core.command"
local common = require "core.common"
local style = require "core.style"
local StatusView = require "core.statusview"
local DocView = require "core.docview"
local function doc()
if core.active_view and getmetatable(core.active_view) == DocView then return core.active_view.doc end
if core.last_active_view and getmetatable(core.last_active_view) == DocView then return core.last_active_view.doc end
end
-- Force plaintext syntax to have a name
local plain_text_syntax = syntax.get("", "")
plain_text_syntax.name = plain_text_syntax.name or "Plain Text"
local doc_reset_syntax = Doc.reset_syntax
function Doc:reset_syntax()
local syntax_get = syntax.get
if self.force_syntax then
syntax.get = function() return self.force_syntax end
end
doc_reset_syntax(self)
syntax.get = syntax_get
end
local function get_syntax_name(s)
if not s then return "Undefined" end
local name = s.name
if not name then
local exts = type(s.files) == "string" and { s.files } or s.files
if exts then
name = table.concat(exts, ", ")
end
end
return name or "Undefined"
end
local statusview_get_items = StatusView.get_items
function StatusView:get_items()
local left, right = statusview_get_items(self)
local is_dv = core.active_view and getmetatable(core.active_view) == DocView
if not is_dv then return left, right end
local syntax_name = get_syntax_name(doc().syntax)
local ins = {
style.dim,
self.separator2,
style.text,
syntax_name
}
if syntax_name then
for _,item in pairs(ins) do
table.insert(right, item)
end
end
return left, right
end
local function get_syntax_list()
local pt_name = plain_text_syntax.name
if doc().syntax == plain_text_syntax then
pt_name = "Current: "..pt_name
end
local list = { ["Auto detect"] = false,
[pt_name] = plain_text_syntax }
local keylist = { "Auto detect", pt_name }
for _,s in pairs(syntax.items) do
local name = get_syntax_name(s)
local fullname = name
local i = 1
while list[fullname] do
i = i + 1
fullname = name.." ("..i..")"
end
if doc().syntax == s then
fullname = "Current: "..fullname
end
list[fullname] = s
table.insert(keylist, fullname)
end
return list, keylist
end
local function sorter(a, b)
-- Compare only syntax name
a = a:gsub("Current: ", "")
b = b:gsub("Current: ", "")
return string.upper(a) < string.upper(b)
end
local function bias_sorter(a, b)
-- Bias towards Current and Auto detect syntax
if a:match("Current: ") then return true end
if b:match("Current: ") then return false end
if a:match("Auto detect") then return true end
if b:match("Auto detect") then return false end
return sorter(a, b)
end
command.add("core.docview", {
["force-syntax:select-file-syntax"] =
function()
core.command_view:enter(
"Set syntax for this file",
function(text, item) -- submit
local list, _ = get_syntax_list()
doc().force_syntax = list[item.text]
doc():reset_syntax()
end,
function(text) -- suggest
local _, keylist = get_syntax_list()
local res = common.fuzzy_match(keylist, text)
-- Force Current and Auto detect syntax to the bottom
-- if the text is empty
table.sort(res, #text == 0 and bias_sorter or sorter)
return res
end,
nil, -- cancel
nil -- validate
)
end
})
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