vimtex/autoload/latex/motion.vim
Karl Yngve Lervåg 7808e59239 Initial revision
2013-10-05 13:53:42 +02:00

276 lines
8.5 KiB
VimL

" {{{1 latex#motion#init
function! latex#motion#init(initialized)
if !g:latex_motion_enabled | return | endif
if g:latex_default_mappings
nnoremap <silent><buffer> % :call latex#motion#find_matching_pair('n')<cr>
vnoremap <silent><buffer> %
\ :<c-u>call latex#motion#find_matching_pair('v')<cr>
onoremap <silent><buffer> % :call latex#motion#find_matching_pair('o')<cr>
nnoremap <silent><buffer> ]] :call latex#motion#next_sec(0,0,0)<cr>
nnoremap <silent><buffer> ][ :call latex#motion#next_sec(1,0,0)<cr>
nnoremap <silent><buffer> [] :call latex#motion#next_sec(1,1,0)<cr>
nnoremap <silent><buffer> [[ :call latex#motion#next_sec(0,1,0)<cr>
vnoremap <silent><buffer> ]] :<c-u>call latex#motion#next_sec(0,0,1)<cr>
vnoremap <silent><buffer> ][ :<c-u>call latex#motion#next_sec(1,0,1)<cr>
vnoremap <silent><buffer> [] :<c-u>call latex#motion#next_sec(1,1,1)<cr>
vnoremap <silent><buffer> [[ :<c-u>call latex#motion#next_sec(0,1,1)<cr>
onoremap <silent><buffer> ]] :normal v]]<cr>
onoremap <silent><buffer> ][ :normal v][<cr>
onoremap <silent><buffer> [] :normal v[]<cr>
onoremap <silent><buffer> [[ :normal v[[<cr>
vnoremap <silent><buffer> ie :latex#motion#select_current_env('inner')<cr>
vnoremap <silent><buffer> ae :latex#motion#select_current_env('outer')<cr>
onoremap <silent><buffer> ie :normal vie<cr>
onoremap <silent><buffer> ae :normal vae<cr>
vnoremap <silent><buffer> i$ :latex#motion#select_inline_math('inner')<cr>
vnoremap <silent><buffer> a$ :latex#motion#select_inline_math('outer')<cr>
onoremap <silent><buffer> i$ :normal vi$<cr>
onoremap <silent><buffer> a$ :normal va$<cr>
endif
"
" Highlight matching parens ($, (), ...)
"
if !a:initialized && g:latex_motion_matchparen
augroup latex_motion
autocmd!
" Disable matchparen autocommands
autocmd BufEnter *.tex
\ if !exists("g:loaded_matchparen") || !g:loaded_matchparen
\ | runtime plugin/matchparen.vim
\ | endif
autocmd BufEnter *.tex
\ 3match none | unlet! g:loaded_matchparen | au! matchparen
" Enable latex matchparen functionality
autocmd! CursorMoved *.tex call latex#motion#find_matching_pair('h')
autocmd! CursorMovedI *.tex call latex#motion#find_matching_pair('i')
augroup END
endif
endfunction
" {{{1 latex#motion#find_matching_pair
function! latex#motion#find_matching_pair(mode)
"
" Note: This code is ugly, but it seems to work.
"
if a:mode =~ 'h\|i'
2match none
elseif a:mode == 'v'
normal! gv
endif
if latex#util#in_comment() | return | endif
let lnum = line('.')
let cnum = searchpos('\A', 'cbnW', lnum)[1]
" Check if previous char is a backslash
if strpart(getline(lnum), cnum-2, 1) == '\'
let cnum = cnum-1
endif
" Make pattern to combine all open/close pats
let all_pats = join(g:latex_motion_open_pats+g:latex_motion_close_pats, '\|')
let all_pats = '\(' . all_pats . '\|\$\)'
let delim = matchstr(getline(lnum), '\C^'. all_pats, cnum-1)
if empty(delim) || strlen(delim)+cnum-1 < col('.')
if a:mode =~ 'n\|v\|o'
" if not found, search forward
let cnum = match(getline(lnum), '\C'. all_pats, col('.') - 1) + 1
if cnum == 0 | return | endif
call cursor(lnum, cnum)
let delim = matchstr(getline(lnum), '\C^'. all_pats, cnum - 1)
elseif a:mode =~ 'i'
" if not found, move one char bacward and search
let cnum = searchpos('\A', 'bnW', lnum)[1]
" if the previous char is a backslash
if strpart(getline(lnum), cnum-2, 1) == '\'
let cnum = cnum-1
endif
let delim = matchstr(getline(lnum), '\C^'. all_pats, cnum - 1)
if empty(delim) || strlen(delim)+cnum< col('.')
return
endif
elseif a:mode =~ 'h'
return
endif
endif
if delim =~ '^\$'
" match $-pairs
" check if next character is in inline math
let [lnum0, cnum0] = searchpos('.', 'nW')
if lnum0 && latex#util#has_syntax('texMathZoneX', lnum0, cnum0)
let [lnum2, cnum2] = searchpos(b:notcomment . b:notbslash . '\$',
\ 'nW', line('w$')*(a:mode =~ 'h\|i'), 200)
else
let [lnum2, cnum2] = searchpos('\%(\%'. lnum . 'l\%'
\ . cnum . 'c\)\@!'. b:notcomment . b:notbslash . '\$',
\ 'bnW', line('w0')*(a:mode =~ 'h\|i'), 200)
endif
if a:mode =~ 'h\|i'
execute '2match MatchParen /\%(\%' . lnum . 'l\%'
\ . cnum . 'c\$' . '\|\%' . lnum2 . 'l\%' . cnum2 . 'c\$\)/'
elseif a:mode =~ 'n\|v\|o'
call cursor(lnum2,cnum2)
endif
else
" match other pairs
for i in range(len(g:latex_motion_open_pats))
let open_pat = b:notbslash . g:latex_motion_open_pats[i]
let close_pat = b:notbslash . g:latex_motion_close_pats[i]
if delim =~# '^' . open_pat
" if on opening pattern, search for closing pattern
let [lnum2, cnum2] = searchpairpos('\C' . open_pat, '', '\C'
\ . close_pat, 'nW', 'latex#util#in_comment()',
\ line('w$')*(a:mode =~ 'h\|i'), 200)
if a:mode =~ 'h\|i'
execute '2match MatchParen /\%(\%' . lnum . 'l\%' . cnum
\ . 'c' . g:latex_motion_open_pats[i] . '\|\%'
\ . lnum2 . 'l\%' . cnum2 . 'c'
\ . g:latex_motion_close_pats[i] . '\)/'
elseif a:mode =~ 'n\|v\|o'
call cursor(lnum2,cnum2)
if strlen(close_pat)>1 && a:mode =~ 'o'
call cursor(lnum2, matchend(getline('.'), '\C'
\ . close_pat, col('.')-1))
endif
endif
break
elseif delim =~# '^' . close_pat
" if on closing pattern, search for opening pattern
let [lnum2, cnum2] = searchpairpos('\C' . open_pat, '',
\ '\C\%(\%'. lnum . 'l\%' . cnum . 'c\)\@!'
\ . close_pat, 'bnW', 'latex#util#in_comment()',
\ line('w0')*(a:mode =~ 'h\|i'), 200)
if a:mode =~ 'h\|i'
execute '2match MatchParen /\%(\%' . lnum2 . 'l\%' . cnum2
\ . 'c' . g:latex_motion_open_pats[i] . '\|\%'
\ . lnum . 'l\%' . cnum . 'c'
\ . g:latex_motion_close_pats[i] . '\)/'
elseif a:mode =~ 'n\|v\|o'
call cursor(lnum2,cnum2)
endif
break
endif
endfor
endif
endfunction
" {{{1 latex#motion#next_sec
function! latex#motion#next_sec(type, backwards, visual)
" Restore visual mode if desired
if a:visual
normal! gv
endif
" For the [] and ][ commands we move up or down before the search
if a:type == 1
if a:backwards
normal! k
else
normal! j
endif
endif
" Define search pattern and do the search while preserving "/
let save_search = @/
let flags = 'W'
if a:backwards
let flags = 'b' . flags
endif
" Define section pattern
let sec_pat = join([
\ '(sub)*section',
\ 'chapter',
\ 'part',
\ 'appendix',
\ '(front|back|main)matter',
\ ], '|')
let sec_pat = b:notcomment . '\v\s*\\(' . sec_pat . ')>'
" Perform the search
call search(sec_pat, flags)
let @/ = save_search
" For the [] and ][ commands we move down or up after the search
if a:type == 1
if a:backwards
normal! j
else
normal! k
endif
endif
endfunction
" {{{1 latex#motion#select_current_env
function! latex#motion#select_current_env(seltype)
let [env, lnum, cnum, lnum2, cnum2] = latex#util#get_env(1)
call cursor(lnum, cnum)
if a:seltype == 'inner'
if env =~ '^\'
call search('\\.\_\s*\S', 'eW')
else
call search('}\(\_\s*\[\_[^]]*\]\)\?\_\s*\S', 'eW')
endif
endif
if visualmode() ==# 'V'
normal! V
else
normal! v
endif
call cursor(lnum2, cnum2)
if a:seltype == 'inner'
call search('\S\_\s*', 'bW')
else
if env =~ '^\'
normal! l
else
call search('}', 'eW')
endif
endif
endfunction
" {{{1 latex#motion#select_inline_math
function! latex#motion#select_inline_math(seltype)
" seltype is either 'inner' or 'outer'
let dollar_pat = '\\\@<!\$'
if latex#util#has_syntax('texMathZoneX')
call s:search_and_skip_comments(dollar_pat, 'cbW')
elseif getline('.')[col('.') - 1] == '$'
call s:search_and_skip_comments(dollar_pat, 'bW')
else
return
endif
if a:seltype == 'inner'
normal! l
endif
if visualmode() ==# 'V'
normal! V
else
normal! v
endif
call s:search_and_skip_comments(dollar_pat, 'W')
if a:seltype == 'inner'
normal! h
endif
endfunction
" }}}1
" vim:fdm=marker:ff=unix