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-- misc stuff implemented in lua
local M = {}
function M.do_under_cursor(obj, cb)
return cb(vim.fn.expand(vim.fn.expand(obj)))
end
function M.word_under_cursor(cb)
return M.do_under_cursor('<cword>', cb)
end
function M.expr_under_cursor(cb)
return M.do_under_cursor('<cexpr>', cb)
end
function M.file_under_cursor(cb)
return M.do_under_cursor('<cfile>', cb)
end
function M.open_under_cursor(cmd, detect_cmd)
return M.file_under_cursor(function(txt)
txt = vim.trim(txt)
if not cmd and detect_cmd then
if vim.regex([[^http.*$]]):match_str(txt) then
cmd = 'url-launcher'
end
if vim.regex([[^(\.\./|[\w\d_/\-])*(\.[\w\d]+)?$]]):match_str(txt) then
cmd = ':edit'
end
vim.notify("open_under_cursor: detected command " .. txt .. " => " .. (cmd or "<nil>"))
end
if not cmd then
vim.fn.inputsave()
vim.ui.input('open with: ', function(result) cmd = result end)
vim.fn.inputrestore()
if not cmd then return end
end
-- detect vim command
if cmd:sub(1, 1) == ":" then
vim.cmd(cmd:sub(2) .. ' ' .. txt)
else
vim.loop.spawn(cmd, {args = {txt}})
end
end)
end
local function get_visual_selection()
local top = vim.fn.getpos("'<")
top = { ln = top[2], col = top[3] }
local bot = vim.fn.getpos("'>")
bot = { ln = bot[2], col = bot[3] }
local lines = vim.api.nvim_buf_get_lines(0, (top.ln - 1), bot.ln, false)
if vim.opt.selection:get() == 'inclusive' then
lines[#lines] = lines[#lines]:sub(1, bot.col)
else
lines[#lines] = lines[#lines]:sub(1, (bot.col -1))
end
lines[1] = lines[1]:sub(top.col)
return top, bot, lines
end
function M.sort_lines(_, preview_ns, preview_bufnr)
local bufnr = vim.api.nvim_get_current_buf()
local top, bot, lines = get_visual_selection()
for i=1, #lines do
lines[i] = vim.fn.join(vim.fn.sort(vim.fn.split(lines[i], " ")))
end
if not preview_ns then
vim.api.nvim_buf_set_lines(bufnr, top.ln-1, bot.ln, false, lines)
vim.notify('no preview')
return 0
end
-- inccommand preview
if preview_ns ~= nil then
for i, line in ipairs(lines) do
vim.api.nvim_buf_set_extmark(bufnr, preview_ns, top.ln+i - 2, 0, {
hl_mode = 'combine',
virt_text_pos = 'overlay',
virt_text = {{line, 'Substitute'}},
})
if preview_bufnr ~= nil then
local prefix = string.format('|%d| ', top.ln + i - 1)
vim.api.nvim_buf_set_lines(preview_bufnr, i-1, -1, false, { prefix .. line })
vim.api.nvim_buf_add_highlight(preview_bufnr, preview_ns, 'Substitute', i, #prefix, #prefix+#line)
end
end
return (#lines > 1 and 2 or 1)
end
end
local function get_searchdirs(dirs)
-- skip asking if we're looking at known filetypes
local ft = vim.api.nvim_buf_get_option(0, 'filetype')
if not dirs and (ft == 'dirbuf' or ft == 'alpha') then
dirs = '%:p:h'
end
if not dirs then
vim.ui.input('Search directories: ', function(result) dirs = result end)
end
-- default to something reasonable
if not dirs then dirs = '%:p:h' end
return vim.split(vim.fn.expand(dirs), ',')
end
function M.live_grep(dirs, opts)
opts = opts or {}
local search_dirs = get_searchdirs(dirs)
opts.search_dirs = search_dirs
opts.prompt_title = 'Grep: '.. vim.inspect(search_dirs)
return require('telescope.builtin').live_grep(opts)
end
function M.find_files(dirs, opts)
opts = opts or {}
local search_dirs = get_searchdirs(dirs)
opts.search_dirs = search_dirs
opts.prompt_title = 'Files: '.. vim.inspect(search_dirs)
return require('telescope.builtin').find_files(opts)
end
function M.fold_block() -- {{{
local Comment = require('Comment.api')
local m = vim.api.nvim_buf_get_mark
local inital_cusor_pos = vim.api.nvim_win_get_cursor(0)
local spos, epos = m(0, '<'), m(0, '>')
-- do start of selection
vim.api.nvim_win_set_cursor(0, spos)
Comment.insert_linewise_eol()
vim.api.nvim_feedkeys('\\<esc>', 'ni', true)
local sln = vim.api.nvim_get_current_line()
vim.api.nvim_set_current_line(sln .. '{{{')
-- do end of selection
vim.api.nvim_win_set_cursor(0, epos)
Comment.insert_linewise_eol()
vim.api.nvim_feedkeys('\\<esc>', 'ni', true)
local eln = vim.api.nvim_get_current_line()
vim.api.nvim_set_current_line(eln .. '}}}')
-- restore initial cursor postition
vim.api.nvim_win_set_cursor(0, inital_cusor_pos)
end -- }}}
local function render_link_preview(buf, ln, link)
local j = require('plenary.job'):new({
command = vim.env.SHELL,
args = {'-c', [[ curl -sSfL ]] .. link .. [[ | grep -iPo '(?<=property="og:title" content=")([^\"]+)(?=")' ]]},
enable_recording = true,
})
local results, code = j:sync()
if not code == 0 or #results == 0 then return end
local ns = vim.api.nvim_create_namespace('')
vim.api.nvim_buf_set_extmark(buf, ns, ln, 0, {
virt_text = {{results[1], 'Error'}},
virt_text_pos = 'eol'
})
end
function M.link_preview()
local link = vim.fn.expand('<cfile>')
if not link then return end
local ln = (vim.api.nvim_win_get_cursor(0)[1]) - 1
render_link_preview(0, ln, link)
end
return M
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