354 lines
9.0 KiB
VimL
354 lines
9.0 KiB
VimL
" Insert or delete brackets, parens, quotes in pairs.
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" Maintainer: JiangMiao <jiangfriend@gmail.com>
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" Contributor: camthompson
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" Last Change: 2012-05-14
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" Version: 1.2.0
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" Homepage: http://www.vim.org/scripts/script.php?script_id=3599
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" Repository: https://github.com/jiangmiao/auto-pairs
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if exists('g:AutoPairsLoaded') || &cp
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finish
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end
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let g:AutoPairsLoaded = 1
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if !exists('g:AutoPairs')
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let g:AutoPairs = {'(':')', '[':']', '{':'}',"'":"'",'"':'"', '`':'`'}
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end
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if !exists('g:AutoPairsParens')
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let g:AutoPairsParens = {'(':')', '[':']', '{':'}'}
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end
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let g:AutoExtraPairs = copy(g:AutoPairs)
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let g:AutoExtraPairs['<'] = '>'
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if !exists('g:AutoPairsMapBS')
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let g:AutoPairsMapBS = 1
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end
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if !exists('g:AutoPairsMapCR')
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let g:AutoPairsMapCR = 1
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end
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if !exists('g:AutoPairsMapSpace')
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let g:AutoPairsMapSpace = 1
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end
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if !exists('g:AutoPairsCenterLine')
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let g:AutoPairsCenterLine = 1
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end
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if !exists('g:AutoPairsShortcutToggle')
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let g:AutoPairsShortcutToggle = '<M-p>'
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end
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if !exists('g:AutoPairsShortcutFastWrap')
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let g:AutoPairsShortcutFastWrap = '<M-e>'
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end
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if !exists('g:AutoPairsShortcutJump')
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let g:AutoPairsShortcutJump = '<M-n>'
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endif
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" Fly mode will for closed pair to jump to closed pair instead of insert.
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" also support AutoPairsBackInsert to insert pairs where jumped.
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if !exists('g:AutoPairsFlyMode')
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let g:AutoPairsFlyMode = 1
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endif
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" Work with Fly Mode, insert pair where jumped
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if !exists('g:AutoPairsShortcutBackInsert')
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let g:AutoPairsShortcutBackInsert = '<M-b>'
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endif
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" Will auto generated {']' => '[', ..., '}' => '{'}in initialize.
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let g:AutoPairsClosedPairs = {}
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function! AutoPairsInsert(key)
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if !b:autopairs_enabled
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return a:key
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end
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let line = getline('.')
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let prev_char = line[col('.')-2]
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let current_char = line[col('.')-1]
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let next_char = line[col('.')]
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let eol = 0
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if col('$') - col('.') <= 1
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let eol = 1
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end
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" Ignore auto close if prev character is \
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if prev_char == '\'
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return a:key
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end
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" The key is difference open-pair, then it means only for ) ] } by default
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if !has_key(g:AutoPairs, a:key)
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" Skip the character if next character is space
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if current_char == ' ' && next_char == a:key
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return "\<Right>\<Right>"
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end
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" Skip the character if closed pair is next character
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if current_char == ''
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let next_lineno = line('.')+1
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let next_line = getline(nextnonblank(next_lineno))
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let next_char = matchstr(next_line, '\s*\zs.')
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if next_char == a:key
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return "\<ESC>e^a"
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endif
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endif
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" Skip the character if current character is the same as input
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if current_char == a:key
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return "\<Right>"
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end
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" Fly Mode, and the key is closed-pairs, search closed-pair and jump
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if g:AutoPairsFlyMode && has_key(g:AutoPairsClosedPairs, a:key)
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let b:autopairs_saved_pair = [a:key, getpos('.')]
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" Use 's' flag to overwritee '' or not is a question
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if(search(a:key, 'W'))
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return "\<Right>"
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end
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endif
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" Input directly if the key is not an open key
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return a:key
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end
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let open = a:key
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let close = g:AutoPairs[open]
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if current_char == close && open == close
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return "\<Right>"
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end
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" Ignore auto close ' if follows a word
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" MUST after closed check. 'hello|'
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if a:key == "'" && prev_char =~ '\v\w'
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return a:key
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end
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" support for ''' ``` and """
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if open == close
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" The key must be ' " `
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let pprev_char = line[col('.')-3]
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if pprev_char == open && prev_char == open
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" Double pair found
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return a:key
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end
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end
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return open.close."\<Left>"
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endfunction
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function! AutoPairsDelete()
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let line = getline('.')
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let current_char = line[col('.')-1]
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let prev_char = line[col('.')-2]
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let pprev_char = line[col('.')-3]
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if pprev_char == '\'
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return "\<BS>"
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end
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" Delete last two spaces in parens, work with MapSpace
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if has_key(g:AutoPairs, pprev_char) && prev_char == ' ' && current_char == ' '
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return "\<BS>\<DEL>"
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endif
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if has_key(g:AutoPairs, prev_char)
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let close = g:AutoPairs[prev_char]
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if match(line,'^\s*'.close, col('.')-1) != -1
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let space = matchstr(line, '^\s*', col('.')-1)
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return "\<BS>". repeat("\<DEL>", len(space)+1)
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else
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let nline = getline(line('.')+1)
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if nline =~ '^\s*'.close
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let space = matchstr(nline, '^\s*')
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return "\<BS>\<DEL>". repeat("\<DEL>", len(space)+1)
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end
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end
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end
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return "\<BS>"
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endfunction
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function! AutoPairsJump()
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call search('["\]'')}]','W')
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endfunction
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" Fast wrap the word in brackets
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function! AutoPairsFastWrap()
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let line = getline('.')
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let current_char = line[col('.')-1]
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let next_char = line[col('.')]
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" Ignore EOL
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if col('.') == col('$')
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return ''
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end
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normal! x
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if next_char =~ '\s'
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call search('\S', 'W')
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let next_char = getline('.')[col('.')-1]
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end
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if has_key(g:AutoExtraPairs, next_char)
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let close = g:AutoExtraPairs[next_char]
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call search(close, 'W')
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return "\<RIGHT>".current_char."\<LEFT>"
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else
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if next_char =~ '\w'
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execute "normal! he"
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end
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execute "normal! a".current_char
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return ""
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end
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endfunction
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function! AutoPairsMap(key)
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let escaped_key = substitute(a:key, "'", "''", 'g')
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execute 'inoremap <buffer> <silent> '.a:key." <C-R>=AutoPairsInsert('".escaped_key."')<CR>"
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endfunction
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function! AutoPairsToggle()
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if b:autopairs_enabled
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let b:autopairs_enabled = 0
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echo 'AutoPairs Disabled.'
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else
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let b:autopairs_enabled = 1
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echo 'AutoPairs Enabled.'
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end
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return ''
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endfunction
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function! AutoPairsReturn()
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let line = getline('.')
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let pline = getline(line('.')-1)
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let prev_char = pline[strlen(pline)-1]
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let cmd = ''
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let cur_char = line[col('.')-1]
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if has_key(g:AutoPairs, prev_char) && g:AutoPairs[prev_char] == cur_char
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if g:AutoPairsCenterLine && winline() * 1.5 >= winheight(0)
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let cmd = " \<C-O>zz\<ESC>cl"
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end
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" conflict with javascript and coffee
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" javascript need indent new line
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" coffeescript forbid indent new line
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if &filetype == 'coffeescript' || &filetype == 'coffee'
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return "\<ESC>k==o".cmd
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else
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return "\<ESC>=ko".cmd
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endif
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end
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return ''
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endfunction
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function! AutoPairsSpace()
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let line = getline('.')
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let prev_char = line[col('.')-2]
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let cmd = ''
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let cur_char =line[col('.')-1]
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if has_key(g:AutoPairsParens, prev_char) && g:AutoPairsParens[prev_char] == cur_char
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let cmd = "\<SPACE>\<LEFT>"
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endif
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return "\<SPACE>".cmd
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endfunction
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function! AutoPairsBackInsert()
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if exists('b:autopairs_saved_pair')
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let pair = b:autopairs_saved_pair[0]
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let pos = b:autopairs_saved_pair[1]
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call setpos('.', pos)
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return pair
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endif
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return ''
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endfunction
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function! AutoPairsInit()
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let b:autopairs_loaded = 1
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let b:autopairs_enabled = 1
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" buffer level map pairs keys
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for [open, close] in items(g:AutoPairs)
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call AutoPairsMap(open)
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if open != close
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call AutoPairsMap(close)
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end
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let g:AutoPairsClosedPairs[close] = open
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endfor
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" Still use <buffer> level mapping for <BS> <SPACE>
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if g:AutoPairsMapBS
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execute 'inoremap <buffer> <silent> <expr> <BS> AutoPairsDelete()'
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end
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if g:AutoPairsMapSpace
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execute 'inoremap <buffer> <silent> <expr> <SPACE> AutoPairsSpace()'
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end
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if g:AutoPairsShortcutFastWrap != ''
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execute 'inoremap <buffer> <silent> '.g:AutoPairsShortcutFastWrap.' <C-R>=AutoPairsFastWrap()<CR>'
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end
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if g:AutoPairsShortcutBackInsert != ''
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execute 'inoremap <buffer> <silent> '.g:AutoPairsShortcutBackInsert.' <C-R>=AutoPairsBackInsert()<CR>'
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end
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if g:AutoPairsShortcutToggle != ''
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" use <expr> to ensure showing the status when toggle
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execute 'inoremap <buffer> <silent> <expr> '.g:AutoPairsShortcutToggle.' AutoPairsToggle()'
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execute 'noremap <buffer> <silent> '.g:AutoPairsShortcutToggle.' :call AutoPairsToggle()<CR>'
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end
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if g:AutoPairsShortcutJump != ''
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execute 'inoremap <buffer> <silent> ' . g:AutoPairsShortcutJump. ' <ESC>:call AutoPairsJump()<CR>a'
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execute 'noremap <buffer> <silent> ' . g:AutoPairsShortcutJump. ' :call AutoPairsJump()<CR>'
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end
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endfunction
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function! AutoPairsForceInit()
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if exists('b:autopairs_loaded')
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return
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end
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" for auto-pairs starts with 'a', so the priority is higher than supertab and vim-endwise
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"
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" vim-endwise didn't support <Plug>AutoPairsReturn
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" when use <Plug>AutoPairsReturn will cause <Plug> wasn't expanded
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"
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" supertab didn't support <SID>AutoPairsReturn
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" when use <SID>AutoPairsReturn will cause Duplicated <CR>
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"
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" and when load after vim-endwise will cause endwise duplicated closed. so always
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" load AutoPairs at last
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" Buffer level keys mapping
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" comptible with other plugin
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if g:AutoPairsMapCR
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let old_cr = maparg('<CR>', 'i')
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if old_cr == ''
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let old_cr = '<CR>'
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endif
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if old_cr !~ 'AutoPairsReturn'
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execute 'imap <buffer> <CR> '.old_cr.'<SID>AutoPairsReturn'
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end
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endif
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call AutoPairsInit()
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endfunction
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" Always silent the command
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inoremap <silent> <SID>AutoPairsReturn <C-R>=AutoPairsReturn()<CR>
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imap <script> <Plug>AutoPairsReturn <SID>AutoPairsReturn
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au BufEnter * :call AutoPairsForceInit()
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