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-- mod-version:3
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 get_doc()
if core.active_view then return core.active_view:is(DocView), core.active_view.doc end
if core.last_active_view then return core.last_active_view:is(DocView), 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
core.status_view:add_item({
predicate = get_doc,
name = "doc:syntax",
alignment = StatusView.Item.RIGHT,
get_item = function()
local _, doc = get_doc()
local syntax_name = get_syntax_name(doc.syntax)
return {
style.text,
syntax_name
}
end,
command = "force-syntax:select-file-syntax",
position = -1,
tooltip = "file syntax",
separator = core.status_view.separator2
})
local function get_syntax_list(doc)
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(get_doc, {
["force-syntax:select-file-syntax"] =
function(doc)
core.command_view:enter("Set syntax for this file", {
submit = function(text, item)
local list, _ = get_syntax_list(doc)
doc.force_syntax = list[item.text]
doc:reset_syntax()
end,
suggest = function(text)
local _, keylist = get_syntax_list(doc)
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
})
end
})
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