862 lines
25 KiB
VimL
862 lines
25 KiB
VimL
" LaTeX Box completion
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setlocal omnifunc=LatexBox_Complete
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" <SID> Wrap {{{
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function! s:GetSID()
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return matchstr(expand('<sfile>'), '\zs<SNR>\d\+_\ze.*$')
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endfunction
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let s:SID = s:GetSID()
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function! s:SIDWrap(func)
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return s:SID . a:func
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endfunction
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" }}}
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" Completion {{{
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if !exists('g:LatexBox_completion_close_braces')
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let g:LatexBox_completion_close_braces = 1
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endif
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if !exists('g:LatexBox_bibtex_wild_spaces')
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let g:LatexBox_bibtex_wild_spaces = 1
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endif
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if !exists('g:LatexBox_cite_pattern')
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let g:LatexBox_cite_pattern = '\C\\\a*cite\a*\*\?\(\[[^\]]*\]\)*\_\s*{'
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endif
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if !exists('g:LatexBox_ref_pattern')
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let g:LatexBox_ref_pattern = '\C\\v\?\(eq\|page\|[cC]\|labelc\)\?ref\*\?\_\s*{'
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endif
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if !exists('g:LatexBox_completion_environments')
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let g:LatexBox_completion_environments = [
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\ {'word': 'itemize', 'menu': 'bullet list' },
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\ {'word': 'enumerate', 'menu': 'numbered list' },
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\ {'word': 'description', 'menu': 'description' },
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\ {'word': 'center', 'menu': 'centered text' },
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\ {'word': 'figure', 'menu': 'floating figure' },
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\ {'word': 'table', 'menu': 'floating table' },
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\ {'word': 'equation', 'menu': 'equation (numbered)' },
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\ {'word': 'align', 'menu': 'aligned equations (numbered)' },
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\ {'word': 'align*', 'menu': 'aligned equations' },
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\ {'word': 'document' },
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\ {'word': 'abstract' },
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\ ]
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endif
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if !exists('g:LatexBox_completion_commands')
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let g:LatexBox_completion_commands = [
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\ {'word': '\begin{' },
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\ {'word': '\end{' },
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\ {'word': '\item' },
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\ {'word': '\label{' },
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\ {'word': '\ref{' },
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\ {'word': '\eqref{eq:' },
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\ {'word': '\cite{' },
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\ {'word': '\chapter{' },
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\ {'word': '\section{' },
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\ {'word': '\subsection{' },
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\ {'word': '\subsubsection{' },
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\ {'word': '\paragraph{' },
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\ {'word': '\nonumber' },
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\ {'word': '\bibliography' },
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\ {'word': '\bibliographystyle' },
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\ ]
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endif
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if !exists('g:LatexBox_complete_inlineMath')
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let g:LatexBox_complete_inlineMath = 0
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endif
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if !exists('g:LatexBox_eq_env_patterns')
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let g:LatexBox_eq_env_patterns = 'equation\|gather\|multiline\|align\|flalign\|alignat\|eqnarray'
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endif
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" }}}
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"LatexBox_kpsewhich {{{
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function! LatexBox_kpsewhich(file)
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let old_dir = getcwd()
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execute 'lcd ' . fnameescape(LatexBox_GetTexRoot())
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let out = system('kpsewhich "' . a:file . '"')
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" If kpsewhich has found something, it returns a non-empty string with a
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" newline at the end; otherwise the string is empty
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if len(out)
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" Remove the trailing newline
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let out = fnamemodify(out[:-2], ':p')
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endif
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execute 'lcd ' . fnameescape(old_dir)
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return out
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endfunction
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"}}}
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" Omni Completion {{{
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let s:completion_type = ''
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function! LatexBox_Complete(findstart, base)
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if a:findstart
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" return the starting position of the word
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let line = getline('.')
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let pos = col('.') - 1
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while pos > 0 && line[pos - 1] !~ '\\\|{'
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let pos -= 1
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endwhile
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let line_start = line[:pos-1]
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if line_start =~ '\C\\begin\_\s*{$'
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let s:completion_type = 'begin'
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elseif line_start =~ '\C\\end\_\s*{$'
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let s:completion_type = 'end'
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elseif line_start =~ g:LatexBox_ref_pattern . '$'
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let s:completion_type = 'ref'
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elseif line_start =~ g:LatexBox_cite_pattern . '$'
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let s:completion_type = 'bib'
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" check for multiple citations
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let pos = col('.') - 1
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while pos > 0 && line[pos - 1] !~ '{\|,'
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let pos -= 1
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endwhile
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elseif s:LatexBox_complete_inlineMath_or_not()
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let s:completion_type = 'inlineMath'
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let pos = s:eq_pos
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else
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let s:completion_type = 'command'
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if line[pos - 1] == '\'
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let pos -= 1
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endif
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endif
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return pos
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else
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" return suggestions in an array
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let suggestions = []
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if s:completion_type == 'begin'
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" suggest known environments
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for entry in g:LatexBox_completion_environments
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if entry.word =~ '^' . escape(a:base, '\')
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if g:LatexBox_completion_close_braces && !s:NextCharsMatch('^}')
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" add trailing '}'
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let entry = copy(entry)
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let entry.abbr = entry.word
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let entry.word = entry.word . '}'
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endif
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call add(suggestions, entry)
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endif
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endfor
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elseif s:completion_type == 'end'
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" suggest known environments
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let env = LatexBox_GetCurrentEnvironment()
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if env != ''
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if g:LatexBox_completion_close_braces && !s:NextCharsMatch('^\s*[,}]')
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call add(suggestions, {'word': env . '}', 'abbr': env})
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else
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call add(suggestions, env)
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endif
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endif
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elseif s:completion_type == 'command'
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" suggest known commands
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for entry in g:LatexBox_completion_commands
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if entry.word =~ '^' . escape(a:base, '\')
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" do not display trailing '{'
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if entry.word =~ '{'
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let entry.abbr = entry.word[0:-2]
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endif
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call add(suggestions, entry)
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endif
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endfor
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elseif s:completion_type == 'ref'
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let suggestions = s:CompleteLabels(a:base)
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elseif s:completion_type == 'bib'
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" suggest BibTeX entries
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let suggestions = LatexBox_BibComplete(a:base)
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elseif s:completion_type == 'inlineMath'
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let suggestions = s:LatexBox_inlineMath_completion(a:base)
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endif
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if !has('gui_running')
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redraw!
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endif
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return suggestions
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endif
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endfunction
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" }}}
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" BibTeX search {{{
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" find the \bibliography{...} commands
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" the optional argument is the file name to be searched
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function! s:FindBibData(...)
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if a:0 == 0
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let file = LatexBox_GetMainTexFile()
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else
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let file = a:1
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endif
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if !filereadable(file)
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return []
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endif
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let lines = readfile(file)
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let bibdata_list = []
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"
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" Search for added bibliographies
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"
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let bibliography_cmds = [
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\ '\\bibliography',
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\ '\\addbibresource',
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\ '\\addglobalbib',
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\ '\\addsectionbib',
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\ ]
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for cmd in bibliography_cmds
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let filtered = filter(copy(lines),
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\ 'v:val =~ ''\C' . cmd . '\s*{[^}]\+}''')
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let files = map(filtered,
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\ 'matchstr(v:val, ''\C' . cmd . '\s*{\zs[^}]\+\ze}'')')
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for file in files
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let bibdata_list += map(split(file, ','),
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\ 'fnamemodify(v:val, '':r'')')
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endfor
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endfor
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"
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" Also search included files
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"
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for input in filter(lines,
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\ 'v:val =~ ''\C\\\%(input\|include\)\s*{[^}]\+}''')
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let bibdata_list += s:FindBibData(LatexBox_kpsewhich(
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\ matchstr(input,
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\ '\C\\\%(input\|include\)\s*{\zs[^}]\+\ze}')))
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endfor
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return bibdata_list
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endfunction
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let s:bstfile = expand('<sfile>:p:h') . '/vimcomplete'
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function! LatexBox_BibSearch(regexp)
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let res = []
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" Find data from bib files
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let bibdata = join(s:FindBibData(), ',')
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if bibdata != ''
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" write temporary aux file
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let tmpbase = LatexBox_GetTexRoot() . '/_LatexBox_BibComplete'
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let auxfile = tmpbase . '.aux'
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let bblfile = tmpbase . '.bbl'
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let blgfile = tmpbase . '.blg'
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call writefile(['\citation{*}', '\bibstyle{' . s:bstfile . '}',
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\ '\bibdata{' . bibdata . '}'], auxfile)
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if has('win32')
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let l:old_shellslash = &l:shellslash
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setlocal noshellslash
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silent execute '! cd ' shellescape(LatexBox_GetTexRoot()) .
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\ ' & bibtex -terse '
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\ . fnamemodify(auxfile, ':t') . ' >nul'
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let &l:shellslash = l:old_shellslash
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else
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silent execute '! cd ' shellescape(LatexBox_GetTexRoot()) .
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\ ' ; bibtex -terse '
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\ . fnamemodify(auxfile, ':t') . ' >/dev/null'
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endif
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let lines = split(substitute(join(readfile(bblfile), "\n"),
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\ '\n\n\@!\(\s\=\)\s*\|{\|}', '\1', 'g'), "\n")
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for line in filter(lines, 'v:val =~ a:regexp')
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let matches = matchlist(line,
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\ '^\(.*\)||\(.*\)||\(.*\)||\(.*\)||\(.*\)')
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if !empty(matches) && !empty(matches[1])
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let s:type_length = max([s:type_length,
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\ len(matches[2]) + 3])
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call add(res, {
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\ 'key': matches[1],
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\ 'type': matches[2],
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\ 'author': matches[3],
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\ 'year': matches[4],
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\ 'title': matches[5],
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\ })
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endif
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endfor
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call delete(auxfile)
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call delete(bblfile)
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call delete(blgfile)
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endif
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" Find data from 'thebibliography' environments
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let lines = readfile(LatexBox_GetMainTexFile())
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if match(lines, '\C\\begin{thebibliography}') >= 0
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for line in filter(filter(lines, 'v:val =~ ''\C\\bibitem'''),
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\ 'v:val =~ a:regexp')
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let match = matchlist(line, '\\bibitem{\([^}]*\)')[1]
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call add(res, {
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\ 'key': match,
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\ 'type': '',
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\ 'author': '',
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\ 'year': '',
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\ 'title': match,
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\ })
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endfor
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endif
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return res
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endfunction
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" }}}
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" BibTeX completion {{{
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let s:type_length=0
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function! LatexBox_BibComplete(regexp)
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" treat spaces as '.*' if needed
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if g:LatexBox_bibtex_wild_spaces
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"let regexp = substitute(a:regexp, '\s\+', '.*', 'g')
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let regexp = '.*' . substitute(a:regexp, '\s\+', '\\\&.*', 'g')
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else
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let regexp = a:regexp
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endif
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let res = []
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let s:type_length = 4
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for m in LatexBox_BibSearch(regexp)
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let type = m['type'] == '' ? '[-]' : '[' . m['type'] . '] '
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let type = printf('%-' . s:type_length . 's', type)
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let auth = m['author'] == '' ? '' : m['author'][:20] . ' '
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let auth = substitute(auth, '\~', ' ', 'g')
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let year = m['year'] == '' ? '' : '(' . m['year'] . ')'
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let w = { 'word': m['key'],
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\ 'abbr': type . auth . year,
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\ 'menu': m['title'] }
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" close braces if needed
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if g:LatexBox_completion_close_braces && !s:NextCharsMatch('^\s*[,}]')
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let w.word = w.word . '}'
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endif
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call add(res, w)
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endfor
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return res
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endfunction
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" }}}
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" ExtractLabels {{{
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" Generate list of \newlabel commands in current buffer.
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"
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" Searches the current buffer for commands of the form
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" \newlabel{name}{{number}{page}.*
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" and returns list of [ name, number, page ] tuples.
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function! s:ExtractLabels()
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call cursor(1,1)
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let matches = []
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let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
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while [lblline, lblbegin] != [0,0]
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let [nln, nameend] = searchpairpos( '{', '', '}', 'W' )
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if nln != lblline
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let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
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continue
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endif
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let curname = strpart( getline( lblline ), lblbegin, nameend - lblbegin - 1 )
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" Ignore cref entries (because they are duplicates)
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if curname =~ "\@cref"
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continue
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endif
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if 0 == search( '{\w*{', 'ce', lblline )
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let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
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continue
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endif
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let numberbegin = getpos('.')[2]
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let [nln, numberend] = searchpairpos( '{', '', '}', 'W' )
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if nln != lblline
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let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
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continue
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endif
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let curnumber = strpart( getline( lblline ), numberbegin, numberend - numberbegin - 1 )
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if 0 == search( '\w*{', 'ce', lblline )
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let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
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continue
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endif
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let pagebegin = getpos('.')[2]
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let [nln, pageend] = searchpairpos( '{', '', '}', 'W' )
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if nln != lblline
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let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
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continue
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endif
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let curpage = strpart( getline( lblline ), pagebegin, pageend - pagebegin - 1 )
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let matches += [ [ curname, curnumber, curpage ] ]
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let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
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endwhile
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return matches
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endfunction
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"}}}
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" ExtractInputs {{{
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" Generate list of \@input commands in current buffer.
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"
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" Searches the current buffer for \@input{file} entries and
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" returns list of all files.
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function! s:ExtractInputs()
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call cursor(1,1)
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let matches = []
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let [inline, inbegin] = searchpos( '\\@input{', 'ecW' )
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while [inline, inbegin] != [0,0]
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let [nln, inend] = searchpairpos( '{', '', '}', 'W' )
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if nln != inline
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let [inline, inbegin] = searchpos( '\\@input{', 'ecW' )
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continue
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endif
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let matches += [ LatexBox_kpsewhich(strpart( getline( inline ), inbegin, inend - inbegin - 1 )) ]
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let [inline, inbegin] = searchpos( '\\@input{', 'ecW' )
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endwhile
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" Remove empty strings for nonexistant .aux files
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return filter(matches, 'v:val != ""')
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endfunction
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"}}}
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" LabelCache {{{
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" Cache of all labels.
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"
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" LabelCache is a dictionary mapping filenames to tuples
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" [ time, labels, inputs ]
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" where
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" * time is modification time of the cache entry
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" * labels is a list like returned by ExtractLabels
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" * inputs is a list like returned by ExtractInputs
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let s:LabelCache = {}
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"}}}
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" GetLabelCache {{{
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" Extract labels from LabelCache and update it.
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"
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" Compares modification time of each entry in the label
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" cache and updates it, if necessary. During traversal of
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" the LabelCache, all current labels are collected and
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" returned.
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function! s:GetLabelCache(file)
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if !filereadable(a:file)
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return []
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endif
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if !has_key(s:LabelCache , a:file) || s:LabelCache[a:file][0] != getftime(a:file)
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" Open file in temporary split window for label extraction.
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silent execute '1sp +let\ labels=s:ExtractLabels()|let\ inputs=s:ExtractInputs()|quit! ' . fnameescape(a:file)
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let s:LabelCache[a:file] = [ getftime(a:file), labels, inputs ]
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endif
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" We need to create a copy of s:LabelCache[fid][1], otherwise all inputs'
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" labels would be added to the current file's label cache upon each
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" completion call, leading to duplicates/triplicates/etc. and decreased
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" performance.
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" Also, because we don't anything with the list besides matching copies,
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" we can get away with a shallow copy for now.
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let labels = copy(s:LabelCache[a:file][1])
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for input in s:LabelCache[a:file][2]
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let labels += s:GetLabelCache(input)
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endfor
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return labels
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endfunction
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"}}}
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" Complete Labels {{{
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function! s:CompleteLabels(regex)
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let labels = s:GetLabelCache(LatexBox_GetAuxFile())
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let matches = filter( copy(labels), 'match(v:val[0], "' . a:regex . '") != -1' )
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if empty(matches)
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" also try to match label and number
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let regex_split = split(a:regex)
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if len(regex_split) > 1
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let base = regex_split[0]
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let number = escape(join(regex_split[1:], ' '), '.')
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let matches = filter( copy(labels), 'match(v:val[0], "' . base . '") != -1 && match(v:val[1], "' . number . '") != -1' )
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endif
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endif
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if empty(matches)
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" also try to match number
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let matches = filter( copy(labels), 'match(v:val[1], "' . a:regex . '") != -1' )
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endif
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let suggestions = []
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for m in matches
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let entry = {'word': m[0], 'menu': printf("%7s [p. %s]", '('.m[1].')', m[2])}
|
|
if g:LatexBox_completion_close_braces && !s:NextCharsMatch('^\s*[,}]')
|
|
" add trailing '}'
|
|
let entry = copy(entry)
|
|
let entry.abbr = entry.word
|
|
let entry.word = entry.word . '}'
|
|
endif
|
|
call add(suggestions, entry)
|
|
endfor
|
|
|
|
return suggestions
|
|
endfunction
|
|
" }}}
|
|
|
|
" Complete Inline Math Or Not {{{
|
|
" Return 1, when cursor is in a math env:
|
|
" 1, there is a single $ in the current line on the left of cursor
|
|
" 2, there is an open-eq-env on/above the current line
|
|
" (open-eq-env : \(, \[, and \begin{eq-env} )
|
|
" Return 0, when cursor is not in a math env
|
|
function! s:LatexBox_complete_inlineMath_or_not()
|
|
|
|
" switch of inline math completion feature
|
|
if g:LatexBox_complete_inlineMath == 0
|
|
return 0
|
|
endif
|
|
|
|
" env names that can't appear in an eq env
|
|
if !exists('s:LatexBox_doc_structure_patterns')
|
|
let s:LatexBox_doc_structure_patterns = '\%(' . '\\begin\s*{document}\|' .
|
|
\ '\\\%(chapter\|section\|subsection\|subsubsection\)\*\?\s*{' . '\)'
|
|
endif
|
|
|
|
if !exists('s:LatexBox_eq_env_open_patterns')
|
|
let s:LatexBox_eq_env_open_patterns = ['\\(','\\\[']
|
|
endif
|
|
if !exists('s:LatexBox_eq_env_close_patterns')
|
|
let s:LatexBox_eq_env_close_patterns = ['\\)','\\\]']
|
|
endif
|
|
|
|
let notcomment = '\%(\%(\\\@<!\%(\\\\\)*\)\@<=%.*\)\@<!'
|
|
|
|
let lnum_saved = line('.')
|
|
let cnum_saved = col('.') -1
|
|
|
|
let line = getline('.')
|
|
let line_start_2_cnum_saved = line[:cnum_saved]
|
|
|
|
" determine whether there is a single $ before cursor
|
|
let cursor_dollar_pair = 0
|
|
while matchend(line_start_2_cnum_saved, '\$[^$]\+\$', cursor_dollar_pair) >= 0
|
|
" find the end of dollar pair
|
|
let cursor_dollar_pair = matchend(line_start_2_cnum_saved, '\$[^$]\+\$', cursor_dollar_pair)
|
|
endwhile
|
|
" find single $ after cursor_dollar_pair
|
|
let cursor_single_dollar = matchend(line_start_2_cnum_saved, '\$', cursor_dollar_pair)
|
|
|
|
" if single $ is found
|
|
if cursor_single_dollar >= 0
|
|
" check whether $ is in \(...\), \[...\], or \begin{eq}...\end{eq}
|
|
|
|
" check current line,
|
|
" search for LatexBox_eq_env_close_patterns: \[ and \(
|
|
let lnum = line('.')
|
|
for i in range(0, (len(s:LatexBox_eq_env_open_patterns)-1))
|
|
call cursor(lnum_saved, cnum_saved)
|
|
let cnum_close = searchpos(''. s:LatexBox_eq_env_close_patterns[i].'', 'cbW', lnum_saved)[1]
|
|
let cnum_open = matchend(line_start_2_cnum_saved, s:LatexBox_eq_env_open_patterns[i], cnum_close)
|
|
if cnum_open >= 0
|
|
let s:eq_dollar_parenthesis_bracket_empty = ''
|
|
let s:eq_pos = cursor_single_dollar - 1
|
|
return 1
|
|
end
|
|
endfor
|
|
|
|
" check the lines above
|
|
" search for s:LatexBox_doc_structure_patterns, and end-of-math-env
|
|
let lnum -= 1
|
|
while lnum > 0
|
|
let line = getline(lnum)
|
|
if line =~ notcomment . '\(' . s:LatexBox_doc_structure_patterns .
|
|
\ '\|' . '\\end\s*{\(' . g:LatexBox_eq_env_patterns . '\)\*\?}\)'
|
|
" when s:LatexBox_doc_structure_patterns or g:LatexBox_eq_env_patterns
|
|
" are found first, complete math, leave with $ at both sides
|
|
let s:eq_dollar_parenthesis_bracket_empty = '$'
|
|
let s:eq_pos = cursor_single_dollar
|
|
break
|
|
elseif line =~ notcomment . '\\begin\s*{\(' . g:LatexBox_eq_env_patterns . '\)\*\?}'
|
|
" g:LatexBox_eq_env_patterns is found, complete math, remove $
|
|
let s:eq_dollar_parenthesis_bracket_empty = ''
|
|
let s:eq_pos = cursor_single_dollar - 1
|
|
break
|
|
endif
|
|
let lnum -= 1
|
|
endwhile
|
|
|
|
return 1
|
|
else
|
|
" no $ is found, then search for \( or \[ in current line
|
|
" 1, whether there is \(
|
|
call cursor(lnum_saved, cnum_saved)
|
|
let cnum_parenthesis_close = searchpos('\\)', 'cbW', lnum_saved)[1]
|
|
let cnum_parenthesis_open = matchend(line_start_2_cnum_saved, '\\(', cnum_parenthesis_close)
|
|
if cnum_parenthesis_open >= 0
|
|
let s:eq_dollar_parenthesis_bracket_empty = '\)'
|
|
let s:eq_pos = cnum_parenthesis_open
|
|
return 1
|
|
end
|
|
|
|
" 2, whether there is \[
|
|
call cursor(lnum_saved, cnum_saved)
|
|
let cnum_bracket_close = searchpos('\\\]', 'cbW', lnum_saved)[1]
|
|
let cnum_bracket_open = matchend(line_start_2_cnum_saved, '\\\[', cnum_bracket_close)
|
|
if cnum_bracket_open >= 0
|
|
let s:eq_dollar_parenthesis_bracket_empty = '\]'
|
|
let s:eq_pos = cnum_bracket_open
|
|
return 1
|
|
end
|
|
|
|
" not inline math completion
|
|
return 0
|
|
endif
|
|
|
|
endfunction
|
|
" }}}
|
|
|
|
" Complete inline euqation{{{
|
|
function! s:LatexBox_inlineMath_completion(regex, ...)
|
|
|
|
if a:0 == 0
|
|
let file = LatexBox_GetMainTexFile()
|
|
else
|
|
let file = a:1
|
|
endif
|
|
|
|
if empty(glob(file, 1))
|
|
return ''
|
|
endif
|
|
|
|
if empty(s:eq_dollar_parenthesis_bracket_empty)
|
|
let inline_pattern1 = '\$\s*\(' . escape(substitute(a:regex[1:], '^\s\+', '', ""), '\.*^') . '[^$]*\)\s*\$'
|
|
let inline_pattern2 = '\\(\s*\(' . escape(substitute(a:regex[1:], '^\s\+', '', ""), '\.*^') . '.*\)\s*\\)'
|
|
else
|
|
let inline_pattern1 = '\$\s*\(' . escape(substitute(a:regex, '^\s\+', '', ""), '\.*^') . '[^$]*\)\s*\$'
|
|
let inline_pattern2 = '\\(\s*\(' . escape(substitute(a:regex, '^\s\+', '', ""), '\.*^') . '.*\)\s*\\)'
|
|
endif
|
|
|
|
|
|
let suggestions = []
|
|
let line_num = 0
|
|
for line in readfile(file)
|
|
let line_num = line_num + 1
|
|
|
|
let suggestions += s:LatexBox_inlineMath_mathlist(line,inline_pattern1 , line_num) + s:LatexBox_inlineMath_mathlist( line,inline_pattern2, line_num)
|
|
|
|
" search for included files
|
|
let included_file = matchstr(line, '^\\@input{\zs[^}]*\ze}')
|
|
if included_file != ''
|
|
let included_file = LatexBox_kpsewhich(included_file)
|
|
call extend(suggestions, s:LatexBox_inlineMath_completion(a:regex, included_file))
|
|
endif
|
|
endfor
|
|
|
|
return suggestions
|
|
endfunction
|
|
" }}}
|
|
|
|
" Search for inline maths {{{
|
|
" search for $ ... $ and \( ... \) in each line
|
|
function! s:LatexBox_inlineMath_mathlist(line,inline_pattern, line_num)
|
|
let col_start = 0
|
|
let suggestions = []
|
|
while 1
|
|
let matches = matchlist(a:line, a:inline_pattern, col_start)
|
|
if !empty(matches)
|
|
|
|
" show line number of inline math
|
|
let entry = {'word': matches[1], 'menu': '[' . a:line_num . ']'}
|
|
|
|
if s:eq_dollar_parenthesis_bracket_empty != ''
|
|
let entry = copy(entry)
|
|
let entry.abbr = entry.word
|
|
let entry.word = entry.word . s:eq_dollar_parenthesis_bracket_empty
|
|
endif
|
|
call add(suggestions, entry)
|
|
|
|
" update col_start
|
|
let col_start = matchend(a:line, a:inline_pattern, col_start)
|
|
else
|
|
break
|
|
endif
|
|
endwhile
|
|
|
|
return suggestions
|
|
endfunction
|
|
" }}}
|
|
|
|
" Close Current Environment {{{
|
|
function! s:CloseCurEnv()
|
|
" first, try with \left/\right pairs
|
|
let [lnum, cnum] = searchpairpos('\C\\left\>', '', '\C\\right\>', 'bnW', 'LatexBox_InComment()')
|
|
if lnum
|
|
let line = strpart(getline(lnum), cnum - 1)
|
|
let bracket = matchstr(line, '^\\left\zs\((\|\[\|\\{\||\|\.\)\ze')
|
|
for [open, close] in [['(', ')'], ['\[', '\]'], ['\\{', '\\}'], ['|', '|'], ['\.', '|']]
|
|
let bracket = substitute(bracket, open, close, 'g')
|
|
endfor
|
|
return '\right' . bracket
|
|
endif
|
|
|
|
" second, try with environments
|
|
let env = LatexBox_GetCurrentEnvironment()
|
|
if env == '\['
|
|
return '\]'
|
|
elseif env == '\('
|
|
return '\)'
|
|
elseif env != ''
|
|
return '\end{' . env . '}'
|
|
endif
|
|
return ''
|
|
endfunction
|
|
" }}}
|
|
|
|
" Wrap Selection {{{
|
|
function! s:WrapSelection(wrapper)
|
|
keepjumps normal! `>a}
|
|
execute 'keepjumps normal! `<i\' . a:wrapper . '{'
|
|
endfunction
|
|
" }}}
|
|
|
|
" Wrap Selection in Environment with Prompt {{{
|
|
function! s:PromptEnvWrapSelection(...)
|
|
let env = input('environment: ', '', 'customlist,' . s:SIDWrap('GetEnvironmentList'))
|
|
if empty(env)
|
|
return
|
|
endif
|
|
" LaTeXBox's custom indentation can interfere with environment
|
|
" insertion when environments are indented (common for nested
|
|
" environments). Temporarily disable it for this operation:
|
|
let ieOld = &indentexpr
|
|
setlocal indentexpr=""
|
|
if visualmode() ==# 'V'
|
|
execute 'keepjumps normal! `>o\end{' . env . '}'
|
|
execute 'keepjumps normal! `<O\begin{' . env . '}'
|
|
" indent and format, if requested.
|
|
if a:0 && a:1
|
|
normal! gv>
|
|
normal! gvgq
|
|
endif
|
|
else
|
|
execute 'keepjumps normal! `>a\end{' . env . '}'
|
|
execute 'keepjumps normal! `<i\begin{' . env . '}'
|
|
endif
|
|
exe "setlocal indentexpr=" . ieOld
|
|
endfunction
|
|
" }}}
|
|
|
|
" Change Environment {{{
|
|
function! s:ChangeEnvPrompt()
|
|
|
|
let [env, lnum, cnum, lnum2, cnum2] = LatexBox_GetCurrentEnvironment(1)
|
|
|
|
let new_env = input('change ' . env . ' for: ', '', 'customlist,' . s:SIDWrap('GetEnvironmentList'))
|
|
if empty(new_env)
|
|
return
|
|
endif
|
|
|
|
if new_env == '\[' || new_env == '['
|
|
let begin = '\['
|
|
let end = '\]'
|
|
elseif new_env == '\(' || new_env == '('
|
|
let begin = '\('
|
|
let end = '\)'
|
|
else
|
|
let l:begin = '\begin{' . new_env . '}'
|
|
let l:end = '\end{' . new_env . '}'
|
|
endif
|
|
|
|
if env == '\[' || env == '\('
|
|
let line = getline(lnum2)
|
|
let line = strpart(line, 0, cnum2 - 1) . l:end . strpart(line, cnum2 + 1)
|
|
call setline(lnum2, line)
|
|
|
|
let line = getline(lnum)
|
|
let line = strpart(line, 0, cnum - 1) . l:begin . strpart(line, cnum + 1)
|
|
call setline(lnum, line)
|
|
else
|
|
let line = getline(lnum2)
|
|
let line = strpart(line, 0, cnum2 - 1) . l:end . strpart(line, cnum2 + len(env) + 5)
|
|
call setline(lnum2, line)
|
|
|
|
let line = getline(lnum)
|
|
let line = strpart(line, 0, cnum - 1) . l:begin . strpart(line, cnum + len(env) + 7)
|
|
call setline(lnum, line)
|
|
endif
|
|
endfunction
|
|
|
|
function! s:GetEnvironmentList(lead, cmdline, pos)
|
|
let suggestions = []
|
|
for entry in g:LatexBox_completion_environments
|
|
let env = entry.word
|
|
if env =~ '^' . a:lead
|
|
call add(suggestions, env)
|
|
endif
|
|
endfor
|
|
return suggestions
|
|
endfunction
|
|
|
|
function! s:LatexToggleStarEnv()
|
|
let [env, lnum, cnum, lnum2, cnum2] = LatexBox_GetCurrentEnvironment(1)
|
|
|
|
if env == '\('
|
|
return
|
|
elseif env == '\['
|
|
let begin = '\begin{equation}'
|
|
let end = '\end{equation}'
|
|
elseif env[-1:] == '*'
|
|
let begin = '\begin{' . env[:-2] . '}'
|
|
let end = '\end{' . env[:-2] . '}'
|
|
else
|
|
let begin = '\begin{' . env . '*}'
|
|
let end = '\end{' . env . '*}'
|
|
endif
|
|
|
|
if env == '\['
|
|
let line = getline(lnum2)
|
|
let line = strpart(line, 0, cnum2 - 1) . l:end . strpart(line, cnum2 + 1)
|
|
call setline(lnum2, line)
|
|
|
|
let line = getline(lnum)
|
|
let line = strpart(line, 0, cnum - 1) . l:begin . strpart(line, cnum + 1)
|
|
call setline(lnum, line)
|
|
else
|
|
let line = getline(lnum2)
|
|
let line = strpart(line, 0, cnum2 - 1) . l:end . strpart(line, cnum2 + len(env) + 5)
|
|
call setline(lnum2, line)
|
|
|
|
let line = getline(lnum)
|
|
let line = strpart(line, 0, cnum - 1) . l:begin . strpart(line, cnum + len(env) + 7)
|
|
call setline(lnum, line)
|
|
endif
|
|
endfunction
|
|
" }}}
|
|
|
|
" Next Charaters Match {{{
|
|
function! s:NextCharsMatch(regex)
|
|
let rest_of_line = strpart(getline('.'), col('.') - 1)
|
|
return rest_of_line =~ a:regex
|
|
endfunction
|
|
" }}}
|
|
|
|
" Mappings {{{
|
|
inoremap <silent> <Plug>LatexCloseCurEnv <C-R>=<SID>CloseCurEnv()<CR>
|
|
vnoremap <silent> <Plug>LatexWrapSelection :<c-u>call <SID>WrapSelection('')<CR>i
|
|
vnoremap <silent> <Plug>LatexEnvWrapSelection :<c-u>call <SID>PromptEnvWrapSelection()<CR>
|
|
vnoremap <silent> <Plug>LatexEnvWrapFmtSelection :<c-u>call <SID>PromptEnvWrapSelection(1)<CR>
|
|
nnoremap <silent> <Plug>LatexChangeEnv :call <SID>ChangeEnvPrompt()<CR>
|
|
nnoremap <silent> <Plug>LatexToggleStarEnv :call <SID>LatexToggleStarEnv()<CR>
|
|
" }}}
|
|
|
|
" vim:fdm=marker:ff=unix:noet:ts=4:sw=4
|