honeylisp/vendor/lite-plugins/plugins/lfautoinsert.lua

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local core = require "core"
local command = require "core.command"
local config = require "core.config"
local keymap = require "core.keymap"
config.lfautoinsert_map = {
["{%s*\n"] = "}",
["%(%s*\n"] = ")",
["%f[[]%[%s*\n"] = "]",
["%[%[%s*\n"] = "]]",
["=%s*\n"] = false,
[":%s*\n"] = false,
["^#if.*\n"] = "#endif",
["^#else.*\n"] = "#endif",
["%f[%w]do%s*\n"] = "end",
["%f[%w]then%s*\n"] = "end",
["%f[%w]else%s*\n"] = "end",
["%f[%w]repeat%s*\n"] = "until",
["%f[%w]function.*%)%s*\n"] = "end",
["^%s*<([^/][^%s>]*)[^>]*>%s*\n"] = "</$TEXT>",
}
local function indent_size(doc, line)
local text = doc.lines[line] or ""
local s, e = text:find("^[\t ]*")
return e - s
end
command.add("core.docview", {
["autoinsert:newline"] = function()
command.perform("doc:newline")
local doc = core.active_view.doc
local line, col = doc:get_selection()
local text = doc.lines[line - 1]
for ptn, close in pairs(config.lfautoinsert_map) do
local s, _, str = text:find(ptn)
if s then
if close
and col == #doc.lines[line]
and indent_size(doc, line + 1) <= indent_size(doc, line - 1)
then
close = str and close:gsub("$TEXT", str) or close
command.perform("doc:newline")
core.active_view:on_text_input(close)
command.perform("doc:move-to-previous-line")
if doc.lines[line+1] == doc.lines[line+2] then
doc:remove(line+1, 1, line+2, 1)
end
elseif col < #doc.lines[line] then
command.perform("doc:newline")
command.perform("doc:move-to-previous-line")
end
command.perform("doc:indent")
end
end
end
})
keymap.add {
["return"] = { "command:submit", "autoinsert:newline" }
}