summary refs log tree commit diff
path: root/.vim/lua/internal/misc.lua
blob: 5a2ae216b13127dce617296df55a1ff5d83ecb6a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
-- 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 telescope_builtin = require('telescope.builtin')
local telescope_actions = require('telescope.actions')
local telescope_action_state = require('telescope.actions.state')

local get_searchdirs = function(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, on_choice)
  opts = opts or {}
  local search_dirs = get_searchdirs(dirs)
  opts.search_dirs = search_dirs
  opts.prompt_title = 'Grep: '.. table.concat(search_dirs)
  if on_choice then
    opts.attach_mappings = function(prompt_bufnr)
      telescope_actions.select_default:replace(function()
        local selection = telescope_action_state.get_selected_entry()
        if selection == nil then return end
        telescope_actions.close(prompt_bufnr)
        on_choice(selection.path)
      end)
      return true
    end
  end
  telescope_builtin.live_grep(opts)
end

function M.find_files(dirs, opts, on_choice)
  if dirs == 'plugins' then dirs = vim.fn.stdpath('data') .. '/site/pack/' end

  opts = opts or {}
  local search_dirs = dirs
  if type(dirs) == 'string' then search_dirs = get_searchdirs(dirs) end
  opts.search_dirs = search_dirs
  opts.prompt_title = 'Find: '.. table.concat(search_dirs)
  if on_choice then
    opts.attach_mappings = function(prompt_bufnr)
      telescope_actions.select_default:replace(function()
        local selection = telescope_action_state.get_selected_entry()
        if not selection then
          vim.notify('Nothing selected', vim.log.levels.WARN)
          return
        end
        telescope_actions.close(prompt_bufnr)
        on_choice(selection.path)
      end)
      return true
    end
  end
  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 -- }}}

function M.link_preview()
  local link = vim.fn.expand('<cfile>')
  if not link then return end

  local buf = vim.api.nvim_get_current_buf()
  local ln = (vim.api.nvim_win_get_cursor(0)[1]) - 1

  local j = require('job').jobstart({
    format_title = function() return "link-preview"  end,
    command = vim.env.SHELL,
    args = {'-c', [[ curl -sSfL ]] .. link .. [[ | grep -iPo '(?<=property="og:title" content=")([^\"]+)(?=")' ]]},
    populate_quickfix = false,
    enable_recording = true,
  })

  j:after_success(vim.schedule_wrap(function(j, code, _)
      local results = j:result()
      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))
end

return M