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SpaceVim/lua/spacevim/api/prompt.lua

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--=============================================================================
-- prompt.lua --- prompt api for spacevim
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-- Copyright (c) 2016-2023 Wang Shidong & Contributors
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-- Author: Wang Shidong < wsdjeg@outlook.com >
-- URL: https://spacevim.org
-- License: GPLv3
--=============================================================================
local Key = require('spacevim.api').import('vim.keys')
local M = {}
M.__cmp = require('spacevim.api').import('vim.compatible')
M.__vim = require('spacevim.api').import('vim')
M._keys = {
close = Key.t('<Esc>'),
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}
M._prompt = {
mpt = '==>',
cursor_begin = '',
cursor_char = '',
cursor_end = '',
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}
M._function_key = {}
M._quit = true
M._handle_fly = ''
M._onclose = ''
M._oninputpro = ''
function M.open()
local srl = vim.o.ruler
vim.o.ruler = false
M._quit = false
M._build_prompt()
if M.__cmp.fn.empty(M._prompt.cursor_begin) == 0 then
M._handle_input(M._prompt.cursor_begin)
else
M._handle_input()
end
vim.o.ruler = srl
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end
function M._c_r_mode_off(timer)
M._c_r_mode = false
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end
function M._handle_input(...)
local argv = { ... }
local begin = argv[1] or ''
if begin ~= '' then
if type(M._oninputpro) == 'function' then
M._oninputpro()
end
if type(M._handle_fly) == 'function' then
M._handle_fly(M._prompt.cursor_begin .. M._prompt.cursor_char .. M._prompt.cursor_end)
end
M._build_prompt()
end
M._c_r_mode = false
while not M._quit do
local char = M.__vim.getchar()
if M._function_key[char] ~= nil then
local ok, rst = pcall(M._function_key[char])
if not ok then
print(rst)
end
goto continue
end
if M._c_r_mode then
if char:match('^[%w":+/]$') then
local reg = '@' .. char
local paste = vim.fn.get(vim.fn.split(vim.fn.eval(reg), '\n'), 0, '')
M._prompt.cursor_begin = M._prompt.cursor_begin .. paste
M._prompt.cursor_char = vim.fn.matchstr(M._prompt.cursor_end, '.$')
M._c_r_mode = false
M._build_prompt()
else
M._c_r_mode = false
goto continue
end
elseif char == Key.t('<c-r>') then
M._c_r_mode = true
vim.fn.timer_start(2000, M._c_r_mode_off)
M._build_prompt()
goto continue
elseif char == Key.t('<right>') then
M._prompt.cursor_begin = M._prompt.cursor_begin .. M._prompt.cursor_char
M._prompt.cursor_char = M.__cmp.fn.matchstr(M._prompt.cursor_end, '^.')
M._prompt.cursor_end = M.__cmp.fn.substitute(M._prompt.cursor_end, '^.', '', 'g')
M._build_prompt()
goto continue
elseif char == Key.t('<left>') then
if M._prompt.cursor_begin ~= '' then
M._prompt.cursor_end = M._prompt.cursor_char .. M._prompt.cursor_end
M._prompt.cursor_char = vim.fn.matchstr(M._prompt.cursor_begin, '.$')
M._prompt.cursor_begin = vim.fn.substitute(M._prompt.cursor_begin, '.$', '', 'g')
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M._build_prompt()
end
goto continue
elseif char == Key.t('<C-w>') then
M._prompt.cursor_begin =
M.__cmp.fn.substitute(M._prompt.cursor_begin, [[[^\ .*]\+\s*$]], '', 'g')
M._build_prompt()
elseif char == Key.t('<C-a>') or char == Key.t('<Home>') then
M._prompt.cursor_end = M.__cmp.fn.substitute(
M._prompt.cursor_begin .. M._prompt.cursor_char .. M._prompt.cursor_end,
'^.',
'',
'g'
)
M._prompt.cursor_char = M.__cmp.matchstr(M._prompt.cursor_begin, '^.')
M._prompt.cursor_begin = ''
M._build_prompt()
goto continue
elseif char == Key.t('<C-e>') or char == Key.t('<End>') then
M._prompt.cursor_begin = M._prompt.cursor_begin
.. M._prompt.cursor_char
.. M._prompt.cursor_end
M._prompt.cursor_char = ''
M._prompt.cursor_end = ''
M._build_prompt()
goto continue
elseif char == Key.t('<C-u>') then
M._prompt.cursor_begin = ''
M._build_prompt()
elseif char == Key.t('<C-k>') then
M._prompt.cursor_char = ''
M._prompt.cursor_end = ''
M._build_prompt()
elseif char == Key.t('<bs>') then
M._prompt.cursor_begin = vim.fn.substitute(M._prompt.cursor_begin, '.$', '', 'g')
M._build_prompt()
elseif
(type(M._keys.close) == 'string' and char == M._keys.close)
or (type(M._keys.close) == 'table' and vim.fn.index(M._keys.close, char) > -1)
then
M.close()
break
elseif
char == Key.t('<FocusLost>')
or char == Key.t('<FocusGained>')
or vim.fn.char2nr(char) == 128
then
goto continue
else
M._prompt.cursor_begin = M._prompt.cursor_begin .. char
M._build_prompt()
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end
if type(M._oninputpro) == 'function' then
M._oninputpro()
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end
if type(M._handle_fly) == 'function' then
M._handle_fly(M._prompt.cursor_begin .. M._prompt.cursor_char .. M._prompt.cursor_end)
end
::continue::
end
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end
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function M._build_prompt()
local ident = M.__cmp.fn['repeat'](' ', M.__cmp.win_screenpos(0)[2] - 1)
vim.cmd('redraw')
vim.api.nvim_echo({
{ ident .. M._prompt.mpt, 'Comment' },
{ M._prompt.cursor_begin, 'None' },
{ M._prompt.cursor_char, 'Wildmenu' },
{ M._prompt.cursor_end, 'None' },
{ '_', 'Comment' },
}, false, {})
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end
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function M._clear_prompt()
M._prompt = {
mpt = M._prompt.mpt,
cursor_begin = '',
cursor_char = '',
cursor_end = '',
}
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end
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function M.close()
if type(M._onclose) == 'function' then
M._onclose()
end
M._clear_prompt()
M._quit = true
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end
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return M