auto-pairs/plugin/auto-pairs.vim

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" Insert or delete brackets, parens, quotes in pairs.
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" Maintainer: JiangMiao <jiangfriend@gmail.com>
" Last Change: 2011-05-22
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" Version: 1.0.1
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" Repository: https://github.com/jiangmiao/auto-pairs
if exists('g:AutoPairsLoaded') || &cp
finish
end
let g:AutoPairsLoaded = 1
" Shortcurs for
" <M-o> newline with indetation
" <M-a> jump to of line
" <M-n> jmup to next pairs
if !exists('g:AutoPairsShortcuts')
let g:AutoPairsShortcuts = 1
end
if !exists('g:AutoPairs')
let g:AutoPairs = {'(':')', '[':']', '{':'}',"'":"'",'"':'"'}
end
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let g:AutoPairsClosedPairs = {}
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function! AutoPairsInsert(key)
let line = getline('.')
let prev_char = line[col('.')-2]
let current_char = line[col('.')-1]
" Ignore auto close if prev character is \
if prev_char == '\'
return a:key
end
" Skip the character if current character is the same as input
if current_char == a:key && !has_key(g:AutoPairs, a:key)
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return "\<Right>"
end
" Input directly if the key is not an open key
if !has_key(g:AutoPairs, a:key)
return a:key
end
let open = a:key
let close = g:AutoPairs[open]
if current_char == close && open == close
return "\<Right>"
end
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" Auto return only if open and close is same
if prev_char == open && open != close
return "\<CR>\<ESC>==O"
end
return open.close."\<Left>"
endfunction
function! AutoPairsDelete()
let line = getline('.')
let prev_char = line[col('.')-2]
let pprev_char = line[col('.')-3]
if pprev_char == '\'
return "\<BS>"
end
if has_key(g:AutoPairs, prev_char)
let close = g:AutoPairs[prev_char]
if match(line,'^\s*'.close, col('.')-1) != -1
return "\<Left>\<C-O>cf".close
end
end
return "\<BS>"
endfunction
function! AutoPairsJump()
call search('[{("\[\]'')}]','W')
endfunction
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function! AutoPairsExtend()
let line = getline('.')
let current_char = line[col('.')-1]
if has_key(g:AutoPairsClosedPairs, current_char)
return "\<ESC>lxh:call AutoPairsJump(line('.'))\<CR>pi"
end
return ''
endfunction
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function! AutoPairsMap(key)
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execute 'inoremap <buffer> <silent> '.a:key.' <C-R>=AutoPairsInsert("\'.a:key.'")<CR>'
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endfunction
function! AutoPairsInit()
for [open, close] in items(g:AutoPairs)
call AutoPairsMap(open)
if open != close
call AutoPairsMap(close)
end
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let g:AutoPairsClosedPairs[close] = 1
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endfor
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execute 'inoremap <buffer> <silent> <BS> <C-R>=AutoPairsDelete()<CR>'
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" If the keys map conflict with your own settings, delete or change them
if g:AutoPairsShortcuts
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execute 'inoremap <buffer> <silent> <M-n> <ESC>:call AutoPairsJump()<CR>a'
execute 'inoremap <buffer> <silent> <M-a> <END>'
execute 'inoremap <buffer> <silent> <M-o> <END><CR>'
execute 'inoremap <buffer> <silent> <M-e> <C-R>=AutoPairsExtend()<CR>'
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end
endfunction
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au BufRead,BufNewFile * :call AutoPairsInit()