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Cf. #598: First version of faster delimiter indent

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Karl Yngve Lervåg 2016-10-27 23:23:39 +02:00
parent 491449d62e
commit 7b35d3782b
1 changed files with 57 additions and 31 deletions
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88
indent/tex.vim
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@ -145,57 +145,83 @@ endfunction
" }}}2
function! s:split(line, lnum, ...) " {{{2
let l:map = map(range(1,col([a:lnum, strlen(a:line)])),
\ '[v:val, vimtex#util#in_mathzone(a:lnum, v:val)]')
" Adjust math mode limits (currently handle only $'s)
let l:prev = 1
for l:i in range(len(l:map))
if l:map[l:i][1] == 1 && l:prev == 0
let l:prev = l:map[l:i][1]
let l:map[l:i][1] = 0
else
let l:prev = l:map[l:i][1]
endif
endfor
if l:map[0][1] == 1 && a:line[0] ==# '$'
let l:map[0][1] = 0
endif
let l:map = s:map_math(a:lnum, strlen(a:line))
" Extract normal text
let l:normal = ''
let l:i0 = -1
for [l:i, l:val] in l:map
if l:val == 0
let l:normal .= a:line[l:i - 1]
let l:i0 = l:i
elseif l:i > 1
let l:normal .= strpart(a:line, l:i0, l:i - l:i0)
let l:i0 = -1
endif
endfor
if l:i0 >= 0
let l:normal .= strpart(a:line, l:i0)
endif
let l:normal = substitute(l:normal, '\\verb\(.\).\{}\1', '', 'g')
"
" Extract math text (either at beginning or end of line, depending on if we
" are looking at the current line or a previous line)
"
let l:math = ''
if a:0 == 0
" Extract math text from beginning of line
let l:math = ''
let l:indx = 0
while l:map[l:indx][1] == 1
let l:math .= a:line[l:map[l:indx][0] - 1]
let l:indx += 1
endwhile
if l:map[0][1] == 1
let l:math .= strpart(a:line, 0, get(l:map, 1, [strlen(a:line)])[0])
endif
else
" Extract math text from end of line
let l:math = ''
let l:indx = -1
while l:map[l:indx][1] == 1
let l:math = a:line[l:map[l:indx][0] - 1] . l:math
let l:indx -= 1
endwhile
if l:map[-1][1] == 1
let l:math .= strpart(a:line, l:map[-1][0])
endif
endif
echom l:normal string(l:map)
return [l:normal, l:math]
endfunction
" }}}2
function! s:map_math(lnum, len) " {{{2
call setpos('.', [0, a:lnum, 1, 0])
let l:in_math = vimtex#util#in_mathzone()
let l:result = [[0, l:in_math]]
if l:in_math
let l:open = vimtex#delim#get_prev('env_math', 'open')
if !empty(l:open) && l:open.lnum == a:lnum
let l:result = [
\ [0, 0],
\ [strlen(l:open.match), 1],
\]
endif
let l:close = vimtex#delim#get_next('env_math', 'close')
if empty(l:close)
\ || l:close.lnum > a:lnum
\ | return l:result | endif
call add(l:result, [l:close.cnum-1, 0])
call setpos('.', [0, a:lnum, l:close.cnum+strlen(l:close.match), 0])
endif
while 1
let l:open = vimtex#delim#get_next('env_math', 'open')
if empty(l:open)
\ || l:open.lnum > a:lnum
\ || l:open.cnum+strlen(l:open.match) > a:len
\ | return l:result | endif
call add(l:result, [l:open.cnum+strlen(l:open.match)-1, 1])
let l:close = vimtex#delim#get_matching(l:open)
if empty(l:close)
\ || l:close.lnum > a:lnum
\ | return l:result | endif
call add(l:result, [l:close.cnum-1, 0])
call setpos('.', [0, a:lnum, l:close.cnum+strlen(l:close.match), 0])
endwhile
endfunction
" }}}2
" }}}1