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https://github.com/amix/vimrc
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Updated vim plugins
This commit is contained in:
amix
409
sources_non_forked/tabular/autoload/tabular.vim
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409
sources_non_forked/tabular/autoload/tabular.vim
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" Tabular: Align columnar data using regex-designated column boundaries
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" Maintainer: Matthew Wozniski (godlygeek@gmail.com)
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" Date: Thu, 03 May 2012 20:49:32 -0400
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" Version: 1.0
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"
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" Long Description:
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" Sometimes, it's useful to line up text. Naturally, it's nicer to have the
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" computer do this for you, since aligning things by hand quickly becomes
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" unpleasant. While there are other plugins for aligning text, the ones I've
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" tried are either impossibly difficult to understand and use, or too simplistic
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" to handle complicated tasks. This plugin aims to make the easy things easy
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" and the hard things possible, without providing an unnecessarily obtuse
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" interface. It's still a work in progress, and criticisms are welcome.
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"
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" License:
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" Copyright (c) 2012, Matthew J. Wozniski
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" All rights reserved.
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"
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" Redistribution and use in source and binary forms, with or without
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" modification, are permitted provided that the following conditions are met:
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" * Redistributions of source code must retain the above copyright notice,
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" this list of conditions and the following disclaimer.
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" * Redistributions in binary form must reproduce the above copyright
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" notice, this list of conditions and the following disclaimer in the
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" documentation and/or other materials provided with the distribution.
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" * The names of the contributors may not be used to endorse or promote
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" products derived from this software without specific prior written
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" permission.
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"
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" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY EXPRESS
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" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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" NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT,
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" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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" LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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" OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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" NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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" Stupid vimscript crap {{{1
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let s:savecpo = &cpo
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set cpo&vim
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" Private Functions {{{1
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" Return the number of bytes in a string after expanding tabs to spaces. {{{2
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" This expansion is done based on the current value of 'tabstop'
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if exists('*strdisplaywidth')
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" Needs vim 7.3
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let s:Strlen = function("strdisplaywidth")
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else
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function! s:Strlen(string)
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" Implement the tab handling part of strdisplaywidth for vim 7.2 and
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" earlier - not much that can be done about handling doublewidth
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" characters.
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let rv = 0
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let i = 0
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for char in split(a:string, '\zs')
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if char == "\t"
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let rv += &ts - i
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let i = 0
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else
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let rv += 1
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let i = (i + 1) % &ts
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endif
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endfor
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return rv
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endfunction
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endif
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" Align a string within a field {{{2
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" These functions do not trim leading and trailing spaces.
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" Right align 'string' in a field of size 'fieldwidth'
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function! s:Right(string, fieldwidth)
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let spaces = a:fieldwidth - s:Strlen(a:string)
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return matchstr(a:string, '^\s*') . repeat(" ", spaces) . substitute(a:string, '^\s*', '', '')
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endfunction
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" Left align 'string' in a field of size 'fieldwidth'
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function! s:Left(string, fieldwidth)
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let spaces = a:fieldwidth - s:Strlen(a:string)
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return a:string . repeat(" ", spaces)
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endfunction
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" Center align 'string' in a field of size 'fieldwidth'
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function! s:Center(string, fieldwidth)
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let spaces = a:fieldwidth - s:Strlen(a:string)
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let right = spaces / 2
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let left = right + (right * 2 != spaces)
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return repeat(" ", left) . a:string . repeat(" ", right)
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endfunction
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" Remove spaces around a string {{{2
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" Remove all trailing spaces from a string.
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function! s:StripTrailingSpaces(string)
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return matchstr(a:string, '^.\{-}\ze\s*$')
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endfunction
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" Remove all leading spaces from a string.
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function! s:StripLeadingSpaces(string)
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return matchstr(a:string, '^\s*\zs.*$')
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endfunction
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" Split a string into fields and delimiters {{{2
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" Like split(), but include the delimiters as elements
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" All odd numbered elements are delimiters
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" All even numbered elements are non-delimiters (including zero)
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function! s:SplitDelim(string, delim)
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let rv = []
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let beg = 0
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let len = len(a:string)
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let searchoff = 0
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while 1
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let mid = match(a:string, a:delim, beg + searchoff, 1)
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if mid == -1 || mid == len
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break
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endif
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let matchstr = matchstr(a:string, a:delim, beg + searchoff, 1)
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let length = strlen(matchstr)
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if length == 0 && beg == mid
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" Zero-length match for a zero-length delimiter - advance past it
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let searchoff += 1
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continue
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endif
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if beg == mid
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let rv += [ "" ]
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else
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let rv += [ a:string[beg : mid-1] ]
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endif
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let rv += [ matchstr ]
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let beg = mid + length
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let searchoff = 0
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endwhile
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let rv += [ strpart(a:string, beg) ]
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return rv
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endfunction
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" Replace lines from `start' to `start + len - 1' with the given strings. {{{2
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" If more lines are needed to show all strings, they will be added.
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" If there are too few strings to fill all lines, lines will be removed.
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function! s:SetLines(start, len, strings)
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if a:start > line('$') + 1 || a:start < 1
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throw "Invalid start line!"
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endif
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if len(a:strings) > a:len
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let fensave = &fen
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let view = winsaveview()
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call append(a:start + a:len - 1, repeat([''], len(a:strings) - a:len))
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call winrestview(view)
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let &fen = fensave
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elseif len(a:strings) < a:len
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let fensave = &fen
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let view = winsaveview()
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sil exe (a:start + len(a:strings)) . ',' . (a:start + a:len - 1) . 'd_'
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call winrestview(view)
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let &fen = fensave
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endif
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call setline(a:start, a:strings)
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endfunction
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" Runs the given commandstring argument as an expression. {{{2
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" The commandstring expression is expected to reference the a:lines argument.
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" If the commandstring expression returns a list the items of that list will
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" replace the items in a:lines, otherwise the expression is assumed to have
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" modified a:lines itself.
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function! s:FilterString(lines, commandstring)
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exe 'let rv = ' . a:commandstring
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if type(rv) == type(a:lines) && rv isnot a:lines
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call filter(a:lines, 0)
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call extend(a:lines, rv)
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endif
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endfunction
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" Public API {{{1
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if !exists("g:tabular_default_format")
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let g:tabular_default_format = "l1"
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endif
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let s:formatelempat = '\%([lrc]\d\+\)'
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function! tabular#ElementFormatPattern()
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return s:formatelempat
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endfunction
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" Given a list of strings and a delimiter, split each string on every
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" occurrence of the delimiter pattern, format each element according to either
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" the provided format (optional) or the default format, and join them back
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" together with enough space padding to guarantee that the nth delimiter of
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" each string is aligned.
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function! tabular#TabularizeStrings(strings, delim, ...)
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if a:0 > 1
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echoerr "TabularizeStrings accepts only 2 or 3 arguments (got ".(a:0+2).")"
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return 1
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endif
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let formatstr = (a:0 ? a:1 : g:tabular_default_format)
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if formatstr !~? s:formatelempat . '\+'
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echoerr "Tabular: Invalid format \"" . formatstr . "\" specified!"
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return 1
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endif
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let format = split(formatstr, s:formatelempat . '\zs')
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let lines = map(a:strings, 's:SplitDelim(v:val, a:delim)')
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" Strip spaces
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" - Only from non-delimiters; spaces in delimiters must have been matched
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" intentionally
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" - Don't strip leading spaces from the first element; we like indenting.
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for line in lines
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if len(line) == 1 && s:do_gtabularize
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continue " Leave non-matching lines unchanged for GTabularize
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endif
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if line[0] !~ '^\s*$'
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let line[0] = s:StripTrailingSpaces(line[0])
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endif
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if len(line) >= 3
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for i in range(2, len(line)-1, 2)
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let line[i] = s:StripLeadingSpaces(s:StripTrailingSpaces(line[i]))
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endfor
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endif
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endfor
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" Find the max length of each field
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let maxes = []
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for line in lines
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if len(line) == 1 && s:do_gtabularize
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continue " non-matching lines don't affect field widths for GTabularize
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endif
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for i in range(len(line))
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if i == len(maxes)
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let maxes += [ s:Strlen(line[i]) ]
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else
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let maxes[i] = max( [ maxes[i], s:Strlen(line[i]) ] )
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endif
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endfor
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endfor
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let lead_blank = empty(filter(copy(lines), 'v:val[0] =~ "\\S"'))
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" Concatenate the fields, according to the format pattern.
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for idx in range(len(lines))
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let line = lines[idx]
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if len(line) == 1 && s:do_gtabularize
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let lines[idx] = line[0] " GTabularize doesn't change non-matching lines
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continue
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endif
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for i in range(len(line))
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let how = format[i % len(format)][0]
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let pad = format[i % len(format)][1:-1]
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if how =~? 'l'
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let field = s:Left(line[i], maxes[i])
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elseif how =~? 'r'
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let field = s:Right(line[i], maxes[i])
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elseif how =~? 'c'
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let field = s:Center(line[i], maxes[i])
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endif
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let line[i] = field . (lead_blank && i == 0 ? '' : repeat(" ", pad))
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endfor
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let lines[idx] = s:StripTrailingSpaces(join(line, ''))
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endfor
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endfunction
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" Apply 0 or more filters, in sequence, to selected text in the buffer {{{2
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" The lines to be filtered are determined as follows:
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" If the function is called with a range containing multiple lines, then
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" those lines will be used as the range.
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" If the function is called with no range or with a range of 1 line, then
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" if GTabularize mode is being used,
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" the range will not be adjusted
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" if "includepat" is not specified,
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" that 1 line will be filtered,
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" if "includepat" is specified and that line does not match it,
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" no lines will be filtered
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" if "includepat" is specified and that line does match it,
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" all contiguous lines above and below the specified line matching the
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" pattern will be filtered.
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"
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" The remaining arguments must each be a filter to apply to the text.
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" Each filter must either be a String evaluating to a function to be called.
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function! tabular#PipeRange(includepat, ...) range
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exe a:firstline . ',' . a:lastline
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\ . 'call tabular#PipeRangeWithOptions(a:includepat, a:000, {})'
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endfunction
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" Extended version of tabular#PipeRange, which
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" 1) Takes the list of filters as an explicit list rather than as varargs
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" 2) Supports passing a dictionary of options to control the routine.
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" Currently, the only supported option is 'mode', which determines whether
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" to behave as :Tabularize or as :GTabularize
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" This allows me to add new features here without breaking API compatibility
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" in the future.
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function! tabular#PipeRangeWithOptions(includepat, filterlist, options) range
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let top = a:firstline
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let bot = a:lastline
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let s:do_gtabularize = (get(a:options, 'mode', '') ==# 'GTabularize')
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if !s:do_gtabularize
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" In the default mode, apply range extension logic
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if a:includepat != '' && top == bot
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if top < 0 || top > line('$') || getline(top) !~ a:includepat
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return
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endif
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while top > 1 && getline(top-1) =~ a:includepat
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let top -= 1
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endwhile
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while bot < line('$') && getline(bot+1) =~ a:includepat
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let bot += 1
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endwhile
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endif
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endif
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let lines = map(range(top, bot), 'getline(v:val)')
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for filter in a:filterlist
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if type(filter) != type("")
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echoerr "PipeRange: Bad filter: " . string(filter)
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endif
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call s:FilterString(lines, filter)
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unlet filter
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endfor
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call s:SetLines(top, bot - top + 1, lines)
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endfunction
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" Part of the public interface so interested pipelines can query this and
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" adjust their behavior appropriately.
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function! tabular#DoGTabularize()
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return s:do_gtabularize
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endfunction
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function! s:SplitDelimTest(string, delim, expected)
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let result = s:SplitDelim(a:string, a:delim)
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if result !=# a:expected
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echomsg 'Test failed!'
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echomsg ' string=' . string(a:string) . ' delim=' . string(a:delim)
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echomsg ' Returned=' . string(result)
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echomsg ' Expected=' . string(a:expected)
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endif
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endfunction
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function! tabular#SplitDelimUnitTest()
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let assignment = '[|&+*/%<>=!~-]\@<!\([<>!=]=\|=\~\)\@![|&+*/%<>=!~-]*='
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let two_spaces = ' '
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let ternary_operator = '^.\{-}\zs?\|:'
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let cpp_io = '<<\|>>'
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let pascal_assign = ':='
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let trailing_c_comments = '\/\*\|\*\/\|\/\/'
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call s:SplitDelimTest('a+=b', assignment, ['a', '+=', 'b'])
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call s:SplitDelimTest('a-=b', assignment, ['a', '-=', 'b'])
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call s:SplitDelimTest('a!=b', assignment, ['a!=b'])
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call s:SplitDelimTest('a==b', assignment, ['a==b'])
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call s:SplitDelimTest('a&=b', assignment, ['a', '&=', 'b'])
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call s:SplitDelimTest('a|=b', assignment, ['a', '|=', 'b'])
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call s:SplitDelimTest('a=b=c', assignment, ['a', '=', 'b', '=', 'c'])
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call s:SplitDelimTest('a b c', two_spaces, ['a', ' ', 'b', ' ', 'c'])
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call s:SplitDelimTest('a b c', two_spaces, ['a b', ' ', ' c'])
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call s:SplitDelimTest('ab c', two_spaces, ['ab', ' ', '', ' ', 'c'])
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call s:SplitDelimTest('a?b:c', ternary_operator, ['a', '?', 'b', ':', 'c'])
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call s:SplitDelimTest('a<<b<<c', cpp_io, ['a', '<<', 'b', '<<', 'c'])
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call s:SplitDelimTest('a:=b=c', pascal_assign, ['a', ':=', 'b=c'])
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call s:SplitDelimTest('x//foo', trailing_c_comments, ['x', '//', 'foo'])
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call s:SplitDelimTest('x/*foo*/',trailing_c_comments, ['x', '/*', 'foo', '*/', ''])
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call s:SplitDelimTest('#ab#cd#ef', '[^#]*', ['#', 'ab', '#', 'cd', '#', 'ef', ''])
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call s:SplitDelimTest('#ab#cd#ef', '#\zs', ['#', '', 'ab#', '', 'cd#', '', 'ef'])
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endfunction
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" Stupid vimscript crap, part 2 {{{1
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let &cpo = s:savecpo
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unlet s:savecpo
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" vim:set sw=2 sts=2 fdm=marker:
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