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[align] Align all occurences in the selected lines

This commit is contained in:
Thomas Kolb 2013-10-10 19:59:51 +02:00
parent 9acb8cc3d1
commit 35e14c526d
1 changed files with 34 additions and 18 deletions
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52
align/plugin/align.vim
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@ -1,3 +1,7 @@
if !exists('g:Align_StartIncrement')
let g:Align_StartIncrement = 4
endif
if !exists('g:Align_DefaultSeq')
let g:Align_DefaultSeq = {}
endif
@ -9,53 +13,65 @@ let g:Align_DefaultSeq['vhdl'] = '<=\|:\|:=\|=>'
let g:Align_DefaultSeq['vim'] = '='
function! s:Align(...) range
" If sequence is not set, find the default pattern for the current filetype
" If pattern is not set, find the default pattern for the current filetype
if !exists("a:1")
if !exists("g:Align_DefaultSeq[&filetype]")
echoerr "No Pattern was given and no default pattern could be found. Doing nothing."
return
endif
let l:sequence = g:Align_DefaultSeq[&filetype]
let l:pattern = g:Align_DefaultSeq[&filetype]
else
let l:sequence = a:1
let l:pattern = a:1
endif
" First, find the rightmost occurence of sequence in all lines
let l:index = 0
for i in range(a:firstline, a:lastline)
let l:nextstart = 0
while l:nextstart >= 0
let l:nextstart = s:AlignOnce(l:nextstart, l:pattern, a:firstline, a:lastline)
if l:nextstart != -1
let l:nextstart = l:nextstart + g:Align_StartIncrement
endif
endwhile
endfunction
function! s:AlignOnce(startpos, pattern, startline, endline)
" First, find the rightmost occurence of pattern in all lines
let l:index = -1
for i in range(a:startline, a:endline)
let l:line = getline(i)
let l:seqpos = match(l:line, l:sequence)
if l:seqpos > l:index
let l:index = l:seqpos
let l:pos = match(l:line, a:pattern, a:startpos)
if l:pos > l:index
let l:index = l:pos
endif
endfor
" Now, for each line, find the first occurrence of sequence, and insert
" spaces until sequence was shifted to l:index
for i in range(a:firstline, a:lastline)
" Now, for each line, find the first occurrence of pattern, and insert
" spaces until pattern was shifted to l:index
for i in range(a:startline, a:endline)
let l:line = getline(i)
let l:seqpos = match(l:line, l:sequence)
let l:pos = match(l:line, a:pattern, a:startpos)
if l:seqpos == -1
if l:pos == -1
continue
endif
" Build string of spaces
let l:spaces = ""
for j in range(l:seqpos, l:index-1)
for j in range(l:pos, l:index-1)
let l:spaces = l:spaces . ' '
endfor
" Insert spaces right before the sequence
if l:seqpos > 0
let l:line = l:line[: l:seqpos-1] . l:spaces . l:line[l:seqpos :]
" Insert spaces right before the pattern
if l:pos > 0
let l:line = l:line[: l:pos-1] . l:spaces . l:line[l:pos :]
else
let l:line = l:spaces . l:line
endif
call setline(i, l:line)
endfor
return l:index
endfunction
command! -nargs=? -range Align <line1>,<line2>call s:Align(<args>)