85 lines
2.4 KiB
Lua
85 lines
2.4 KiB
Lua
local context_manager = require('plenary.context_manager')
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local has_ts, _ = pcall(require, 'nvim-treesitter')
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local _, ts_highlight = pcall(require, 'nvim-treesitter.highlight')
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local _, ts_parsers = pcall(require, 'nvim-treesitter.parsers')
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local Job = require('plenary.job')
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local utils = {}
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utils.with_preview_window = function(status, bufnr, callable)
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if bufnr and vim.api.nvim_buf_call and false then
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vim.api.nvim_buf_call(bufnr, callable)
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else
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return context_manager.with(function()
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vim.cmd(string.format("noautocmd call nvim_set_current_win(%s)", status.preview_win))
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coroutine.yield()
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vim.cmd(string.format("noautocmd call nvim_set_current_win(%s)", status.prompt_win))
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end, callable)
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end
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end
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-- API helper functions for buffer previewer
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--- Job maker for buffer previewer
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utils.job_maker = function(cmd, bufnr, opts)
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opts = opts or {}
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opts.mode = opts.mode or "insert"
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-- bufname and value are optional
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-- if passed, they will be use as the cache key
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-- if any of them are missing, cache will be skipped
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if opts.bufname ~= opts.value or not opts.bufname or not opts.value then
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local command = table.remove(cmd, 1)
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Job:new({
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command = command,
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args = cmd,
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env = opts.env,
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on_exit = vim.schedule_wrap(function(j)
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if opts.mode == "append" then
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local count = vim.api.nvim_buf_line_count(bufnr)
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vim.api.nvim_buf_set_lines(bufnr, count, -1, false, j:result())
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elseif opts.mode == "insert" then
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vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, j:result())
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end
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if opts.callback then opts.callback(bufnr, j:result()) end
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end)
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}):start()
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else
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if opts.callback then opts.callback(bufnr) end
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end
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end
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local function has_filetype(ft)
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return ft and ft ~= ''
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end
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--- Attach default highlighter which will choose between regex and ts
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utils.highlighter = function(bufnr, ft)
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if not(utils.ts_highlighter(bufnr, ft)) then
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utils.regex_highlighter(bufnr, ft)
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end
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end
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--- Attach regex highlighter
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utils.regex_highlighter = function(_, ft)
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if has_filetype(ft) then
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vim.cmd(':ownsyntax ' .. ft)
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return true
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end
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return false
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end
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-- Attach ts highlighter
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utils.ts_highlighter = function(bufnr, ft)
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if has_ts and has_filetype(ft) then
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local lang = ts_parsers.ft_to_lang(ft);
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if ts_parsers.has_parser(lang) then
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ts_highlight.attach(bufnr, lang)
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return true
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end
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end
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return false
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end
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return utils
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