259 lines
7.2 KiB
Lua
259 lines
7.2 KiB
Lua
local context_manager = require('plenary.context_manager')
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local log = require('telescope.log')
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local previewers = {}
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local Previewer = {}
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Previewer.__index = Previewer
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local bat_options = " --style=grid --paging=always "
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-- --terminal-width=%s
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function Previewer:new(opts)
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opts = opts or {}
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return setmetatable({
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state = nil,
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_setup_func = opts.setup,
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preview_fn = opts.preview_fn,
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}, Previewer)
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end
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function Previewer:preview(entry, status)
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if not entry then
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return
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end
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if not self.state and self._setup_func then
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self.state = self._setup_func()
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end
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return self:preview_fn(entry, status)
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end
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previewers.new = function(...)
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return Previewer:new(...)
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end
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local with_preview_window = function(status, callable)
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return context_manager.with(function()
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vim.cmd(string.format("noautocmd call win_gotoid(%s)", status.preview_win))
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coroutine.yield()
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vim.cmd(string.format("noautocmd call win_gotoid(%s)", status.prompt_win))
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end, callable)
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end
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previewers.new_termopen = function(opts)
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local entry_value = opts.get_value or function(entry)
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return entry.value
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end
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local command_string = opts.command
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return previewers.new {
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preview_fn = function(_, entry, status)
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local bufnr = vim.api.nvim_create_buf(false, true)
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vim.api.nvim_win_set_buf(status.preview_win, bufnr)
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with_preview_window(status, function()
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vim.fn.termopen(string.format(command_string, entry_value(entry)))
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end)
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end
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}
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end
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previewers.vim_buffer = previewers.new {
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preview_fn = function(_, entry, status)
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local value = entry.value
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if value == nil then
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return
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end
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local file_name = vim.split(value, ":")[1]
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log.trace("Previewing File: %s", file_name)
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-- vim.fn.termopen(
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-- string.format("bat --color=always --style=grid %s"),
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-- vim.fn.fnamemodify(file_name, ":p")
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local bufnr = vim.fn.bufadd(file_name)
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vim.fn.bufload(bufnr)
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-- TODO: We should probably call something like this because we're not always getting highlight and all that stuff.
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-- api.nvim_command('doautocmd filetypedetect BufRead ' .. vim.fn.fnameescape(filename))
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vim.api.nvim_win_set_buf(status.preview_win, bufnr)
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vim.api.nvim_win_set_option(status.preview_win, 'wrap', false)
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vim.api.nvim_win_set_option(status.preview_win, 'winhl', 'Normal:Normal')
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-- vim.api.nvim_win_set_option(preview_win, 'winblend', 20)
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vim.api.nvim_win_set_option(status.preview_win, 'signcolumn', 'no')
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vim.api.nvim_win_set_option(status.preview_win, 'foldlevel', 100)
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end,
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}
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previewers.vim_buffer_or_bat = previewers.new {
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preview_fn = function(_, entry, status)
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local value = entry.value
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if value == nil then
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return
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end
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local file_name = vim.split(value, ":")[1]
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log.trace("Previewing File: %s", file_name)
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-- vim.fn.termopen(
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-- string.format("bat --color=always --style=grid %s"),
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-- vim.fn.fnamemodify(file_name, ":p")
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local bufnr = vim.fn.bufadd(file_name)
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if vim.api.nvim_buf_is_loaded(bufnr) then
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vim.fn.bufload(bufnr)
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-- TODO: We should probably call something like this because we're not always getting highlight and all that stuff.
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-- api.nvim_command('doautocmd filetypedetect BufRead ' .. vim.fn.fnameescape(filename))
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vim.api.nvim_win_set_buf(status.preview_win, bufnr)
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vim.api.nvim_win_set_option(status.preview_win, 'wrap', false)
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vim.api.nvim_win_set_option(status.preview_win, 'winhl', 'Normal:Normal')
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-- vim.api.nvim_win_set_option(preview_win, 'winblend', 20)
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vim.api.nvim_win_set_option(status.preview_win, 'signcolumn', 'no')
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vim.api.nvim_win_set_option(status.preview_win, 'foldlevel', 100)
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else
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vim.api.nvim_buf_set_lines(status.preview_bufnr, 0, -1, false, vim.fn.systemlist(string.format('bat %s', file_name)))
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end
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end,
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}
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previewers.cat = previewers.new {
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setup = function()
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local command_string = "cat %s"
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if 1 == vim.fn.executable("bat") then
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command_string = "bat %s --style=grid --paging=always"
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end
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return {
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command_string = command_string
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}
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end,
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preview_fn = function(self, entry, status)
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local bufnr = vim.api.nvim_create_buf(false, true)
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vim.api.nvim_win_set_buf(status.preview_win, bufnr)
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with_preview_window(status, function()
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vim.fn.termopen(string.format(self.state.command_string, entry.value))
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end)
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vim.api.nvim_buf_set_name(bufnr, tostring(bufnr))
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end
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}
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previewers.vimgrep = previewers.new {
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setup = function()
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local command_string = "cat %s"
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if vim.fn.executable("bat") then
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command_string = "bat %s --highlight-line %s -r %s:%s" .. bat_options
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end
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return {
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command_string = command_string
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}
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end,
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preview_fn = function(self, entry, status)
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local bufnr = vim.api.nvim_create_buf(false, true)
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local win_id = status.preview_win
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local height = vim.api.nvim_win_get_height(win_id)
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local line = entry.value
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if type(line) == "table" then
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line = entry.ordinal
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end
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local _, _, filename, lnum, col, text = string.find(line, [[([^:]+):(%d+):(%d+):(.*)]])
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local context = math.floor(height / 2)
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local start = math.max(0, lnum - context)
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local finish = lnum + context
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vim.api.nvim_win_set_buf(status.preview_win, bufnr)
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local termopen_command = string.format(self.state.command_string, filename, lnum, start, finish)
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with_preview_window(status, function()
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vim.fn.termopen(termopen_command)
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end)
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end
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}
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previewers.qflist = previewers.new {
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setup = function()
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local command_string = "cat %s"
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if vim.fn.executable("bat") then
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command_string = "bat %s --highlight-line %s -r %s:%s"
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end
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return {
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command_string = command_string
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}
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end,
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preview_fn = function(self, entry, status)
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local bufnr = vim.api.nvim_create_buf(false, true)
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local win_id = status.preview_win
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local height = vim.api.nvim_win_get_height(win_id)
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local filename = entry.value.filename
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local lnum = entry.value.lnum
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local context = math.floor(height / 2)
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local start = math.max(0, lnum - context)
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local finish = lnum + context
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vim.api.nvim_win_set_buf(status.preview_win, bufnr)
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local termopen_command = string.format(self.state.command_string, filename, lnum, start, finish)
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with_preview_window(status, function()
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vim.fn.termopen(termopen_command)
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end)
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end
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}
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previewers.help = previewers.new {
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preview_fn = function(_, entry, status)
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with_preview_window(status, function()
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local old_tags = vim.o.tags
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vim.o.tags = vim.fn.expand("$VIMRUNTIME") .. '/doc/tags'
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local taglist = vim.fn.taglist('^' .. entry.value .. '$')
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if vim.tbl_isempty(taglist) then
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taglist = vim.fn.taglist(entry.value)
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end
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if vim.tbl_isempty(taglist) then
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return
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end
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local best_entry = taglist[1]
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local new_bufnr = vim.fn.bufnr(best_entry.filename, true)
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vim.api.nvim_buf_set_option(new_bufnr, 'filetype', 'help')
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vim.api.nvim_win_set_buf(status.preview_win, new_bufnr)
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vim.cmd [["gg"]]
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print(best_entry.cmd)
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vim.cmd(string.format([[execute "%s"]], best_entry.cmd))
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vim.o.tags = old_tags
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end)
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end
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}
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previewers.Previewer = Previewer
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return previewers
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