279 lines
9.6 KiB
VimL
279 lines
9.6 KiB
VimL
" Copyright (c) 2014 Alex Yatskov <alex@foosoft.net>
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"
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" Permission is hereby granted, free of charge, to any person obtaining a copy of
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" this software and associated documentation files (the "Software"), to deal in
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" the Software without restriction, including without limitation the rights to
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" use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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" the Software, and to permit persons to whom the Software is furnished to do so,
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" subject to the following conditions:
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"
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" The above copyright notice and this permission notice shall be included in all
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" copies or substantial portions of the Software.
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"
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" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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" FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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" COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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" IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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" CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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function! argwrap#validateRange(range)
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return len(a:range) > 0 && !(a:range.lineStart == 0 && a:range.colStart == 0 || a:range.lineEnd == 0 && a:range.colEnd == 0)
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endfunction
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function! argwrap#compareRanges(range1, range2)
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let [l:buffer, l:line, l:col, l:offset] = getpos('.')
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let l:lineDiff1 = a:range1.lineStart - l:line
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let l:colDiff1 = a:range1.colStart - l:col
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let l:lineDiff2 = a:range2.lineStart - l:line
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let l:colDiff2 = a:range2.colStart - l:col
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if l:lineDiff1 < l:lineDiff2
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return 1
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elseif l:lineDiff1 > l:lineDiff2
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return -1
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elseif l:colDiff1 < l:colDiff2
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return 1
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elseif l:colDiff1 > l:colDiff2
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return -1
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else
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return 0
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endif
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endfunction
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function! argwrap#findRange(braces)
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let l:filter = 'synIDattr(synID(line("."), col("."), 0), "name") =~? "string"'
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let [l:lineStart, l:colStart] = searchpairpos(a:braces[0], '', a:braces[1], 'Wnb', filter)
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let [l:lineEnd, l:colEnd] = searchpairpos(a:braces[0], '', a:braces[1], 'Wcn', filter)
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return {'lineStart': l:lineStart, 'colStart': l:colStart, 'lineEnd': l:lineEnd, 'colEnd': l:colEnd}
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endfunction
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function! argwrap#findClosestRange()
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let l:ranges = []
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for l:braces in [['(', ')'], ['\[', '\]'], ['{', '}']]
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let l:range = argwrap#findRange(braces)
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if argwrap#validateRange(l:range)
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call add(l:ranges, l:range)
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endif
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endfor
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if len(l:ranges) == 0
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return {}
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else
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return sort(l:ranges, 'argwrap#compareRanges')[0]
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endif
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endfunction
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function! argwrap#extractContainerArgText(range, linePrefix)
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let l:text = ''
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let l:trimPattern = printf('\m^\s*\(.\{-}\%%(%s\)\?\)\s*$', escape(a:linePrefix, '\$.*^['))
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for l:lineIndex in range(a:range.lineStart, a:range.lineEnd)
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let l:lineText = getline(l:lineIndex)
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let l:extractStart = 0
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if l:lineIndex == a:range.lineStart
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let l:extractStart = a:range.colStart
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endif
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let l:extractEnd = strlen(l:lineText)
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if l:lineIndex == a:range.lineEnd
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let l:extractEnd = a:range.colEnd - 1
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endif
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if l:extractStart < l:extractEnd
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let l:extract = l:lineText[l:extractStart : l:extractEnd - 1]
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let l:extract = substitute(l:extract, l:trimPattern, '\1', '')
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if stridx(l:extract, a:linePrefix) == 0
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let l:extract = l:extract[len(a:linePrefix):]
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endif
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let l:extract = substitute(l:extract, ',$', ', ', '')
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let l:text .= l:extract
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endif
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endfor
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return l:text
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endfunction
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function! argwrap#updateScope(stack, char)
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let l:pairs = {'"': '"', '''': '''', ')': '(', ']': '[', '}': '{'}
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let l:length = len(a:stack)
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if l:length > 0 && get(l:pairs, a:char, '') == a:stack[l:length - 1]
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call remove(a:stack, l:length - 1)
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elseif index(values(l:pairs), a:char) >= 0
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call add(a:stack, a:char)
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endif
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endfunction
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function! argwrap#trimArgument(text)
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let l:trim = substitute(a:text, '^\s*\(.\{-}\)\s*$', '\1', '')
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let l:trim = substitute(l:trim, '\([:=]\)\s\{2,}', '\1 ', '')
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return substitute(l:trim, '\s\{2,}\([:=]\)', ' \1', '')
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endfunction
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function! argwrap#extractContainerArgs(text)
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let l:text = substitute(a:text, '^\s*\(.\{-}\)\s*$', '\1', '')
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let l:stack = []
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let l:arguments = []
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let l:argument = ''
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if len(l:text) > 0
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for l:index in range(strlen(l:text))
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let l:char = l:text[l:index]
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call argwrap#updateScope(l:stack, l:char)
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if len(l:stack) == 0 && l:char == ','
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let l:argument = argwrap#trimArgument(l:argument)
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if len(l:argument) > 0
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call add(l:arguments, l:argument)
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endif
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let l:argument = ''
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else
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let l:argument .= l:char
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endif
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endfor
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let l:argument = argwrap#trimArgument(l:argument)
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if len(l:argument) > 0
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call add(l:arguments, l:argument)
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endif
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endif
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return l:arguments
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endfunction
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function! argwrap#extractContainer(range)
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let l:textStart = getline(a:range.lineStart)
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let l:textEnd = getline(a:range.lineEnd)
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let l:indent = matchstr(l:textStart, '\s*')
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let l:prefix = l:textStart[strlen(l:indent) : a:range.colStart - 1]
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let l:suffix = l:textEnd[a:range.colEnd - 1:]
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return {'indent': l:indent, 'prefix': l:prefix, 'suffix': l:suffix}
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endfunction
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function! argwrap#wrapContainer(range, container, arguments, wrapBrace, tailComma, tailCommaBraces, tailIndentBraces, linePrefix, commaFirst, commaFirstIndent)
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let l:argCount = len(a:arguments)
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let l:line = a:range.lineStart
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let l:prefix = a:container.prefix[len(a:container.prefix) - 1]
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call setline(l:line, a:container.indent . a:container.prefix)
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for l:index in range(l:argCount)
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let l:last = l:index == l:argCount - 1
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let l:first = l:index == 0
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let l:text = ''
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if a:commaFirst
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let l:text .= a:container.indent . a:linePrefix
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if !l:first
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let l:text .= ', '
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end
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let l:text .= a:arguments[l:index]
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else
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let l:text .= a:container.indent . a:linePrefix . a:arguments[l:index]
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if !l:last || a:tailComma || a:tailCommaBraces =~ l:prefix
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let l:text .= ','
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end
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end
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if l:last && !a:wrapBrace
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let l:text .= a:container.suffix
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end
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call append(l:line, l:text)
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let l:line += 1
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silent! exec printf('%s>', l:line)
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if l:first && a:commaFirstIndent
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let width = &l:shiftwidth
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let &l:shiftwidth = 2
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silent! exec printf('%s>', l:line)
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let &l:shiftwidth = l:width
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end
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endfor
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if a:wrapBrace
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call append(l:line, a:container.indent . a:linePrefix . a:container.suffix)
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if a:tailIndentBraces =~ l:prefix
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silent! exec printf('%s>', l:line + 1)
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end
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endif
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endfunction
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function! argwrap#unwrapContainer(range, container, arguments, padded)
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let l:brace = a:container.prefix[strlen(a:container.prefix) - 1]
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if stridx(a:padded, l:brace) == -1
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let l:padding = ''
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else
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let l:padding = ' '
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endif
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let l:text = a:container.indent . a:container.prefix . l:padding . join(a:arguments, ', ') . l:padding . a:container.suffix
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call setline(a:range.lineStart, l:text)
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exec printf('silent %d,%dd_', a:range.lineStart + 1, a:range.lineEnd)
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endfunction
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function! argwrap#getSetting(name)
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let l:bName = 'b:argwrap_' . a:name
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let l:gName = 'g:argwrap_' . a:name
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return exists(l:bName) ? {l:bName} : {l:gName}
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endfunction
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function! argwrap#initSetting(name, value) abort
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let l:setting = 'g:argwrap_'.a:name
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if !exists(l:setting)
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let {l:setting} = a:value
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endif
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endfunction
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function! argwrap#toggle()
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let l:cursor = getpos('.')
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let l:linePrefix = argwrap#getSetting('line_prefix')
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let l:padded = argwrap#getSetting('padded_braces')
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let l:tailComma = argwrap#getSetting('tail_comma')
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let l:tailCommaBraces = argwrap#getSetting('tail_comma_braces')
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let l:tailIndentBraces = argwrap#getSetting('tail_indent_braces')
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let l:wrapBrace = argwrap#getSetting('wrap_closing_brace')
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let l:commaFirst = argwrap#getSetting('comma_first')
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let l:commaFirstIndent = argwrap#getSetting('comma_first_indent')
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let l:range = argwrap#findClosestRange()
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if !argwrap#validateRange(l:range)
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return
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endif
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let l:argText = argwrap#extractContainerArgText(l:range, l:linePrefix)
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let l:arguments = argwrap#extractContainerArgs(l:argText)
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if len(l:arguments) == 0
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return
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endif
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let l:container = argwrap#extractContainer(l:range)
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if l:range.lineStart == l:range.lineEnd
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call argwrap#hooks#execute('pre_wrap', l:range, l:container, l:arguments)
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call argwrap#wrapContainer(l:range, l:container, l:arguments, l:wrapBrace, l:tailComma, l:tailCommaBraces, l:tailIndentBraces, l:linePrefix, l:commaFirst, l:commaFirstIndent)
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let l:cursor[1] = l:range.lineStart + 1
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call argwrap#hooks#execute('post_wrap', l:range, l:container, l:arguments)
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else
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call argwrap#hooks#execute('pre_unwrap', l:range, l:container, l:arguments)
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call argwrap#unwrapContainer(l:range, l:container, l:arguments, l:padded)
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let l:cursor[1] = l:range.lineStart
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call argwrap#hooks#execute('post_unwrap', l:range, l:container, l:arguments)
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endif
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call setpos('.', l:cursor)
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endfunction
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