354 lines
8.7 KiB
VimL
354 lines
8.7 KiB
VimL
" LaTeX Box common functions
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" Error Format {{{
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" Note: The error formats assume we're using the -file-line-error with
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" [pdf]latex.
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" Note: See |errorformat-LaTeX| for more info.
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" Check for options
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if !exists("g:LatexBox_show_warnings")
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let g:LatexBox_show_warnings=1
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endif
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if !exists("g:LatexBox_ignore_warnings")
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let g:LatexBox_ignore_warnings =
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\['Underfull',
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\ 'Overfull',
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\ 'specifier changed to']
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endif
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" Standard error message formats
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" Note: We consider statements that starts with "!" as errors
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setlocal efm=%E!\ LaTeX\ %trror:\ %m
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setlocal efm+=%E%f:%l:\ %m
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setlocal efm+=%E!\ %m
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" More info for undefined control sequences
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setlocal efm+=%Z<argument>\ %m
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" Show or ignore warnings
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if g:LatexBox_show_warnings
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for w in g:LatexBox_ignore_warnings
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let warning = escape(substitute(w, '[\,]', '%\\\\&', 'g'), ' ')
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exe 'setlocal efm+=%-G%.%#'. warning .'%.%#'
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endfor
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setlocal efm+=%+WLaTeX\ %.%#Warning:\ %.%#line\ %l%.%#
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setlocal efm+=%+W%.%#\ at\ lines\ %l--%*\\d
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setlocal efm+=%+WLaTeX\ %.%#Warning:\ %m
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setlocal efm+=%+W%.%#Warning:\ %m
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else
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setlocal efm+=%-WLaTeX\ %.%#Warning:\ %.%#line\ %l%.%#
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setlocal efm+=%-W%.%#\ at\ lines\ %l--%*\\d
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setlocal efm+=%-WLaTeX\ %.%#Warning:\ %m
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setlocal efm+=%-W%.%#Warning:\ %m
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endif
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" Push file to file stack
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setlocal efm+=%+P**%f
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" Ignore unmatched lines
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setlocal efm+=%-G%.%#
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" }}}
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" Vim Windows {{{
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" Width of vertical splits
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if !exists('g:LatexBox_split_width')
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let g:LatexBox_split_width = 30
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endif
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" Where vertical splits appear
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if !exists('g:LatexBox_split_side')
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let g:LatexBox_split_side = "leftabove"
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endif
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" Resize when split?
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if !exists('g:LatexBox_split_resize')
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let g:LatexBox_split_resize = 0
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endif
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" Toggle help info
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if !exists('g:LatexBox_toc_hidehelp')
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let g:LatexBox_toc_hidehelp = 0
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endif
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" }}}
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" Filename utilities {{{
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function! LatexBox_GetMainTexFile()
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" 1. check for the b:main_tex_file variable
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if exists('b:main_tex_file') && filereadable(b:main_tex_file)
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return b:main_tex_file
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endif
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" 2. scan the first few lines of the file for root = filename
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for linenum in range(1,5)
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let linecontents = getline(linenum)
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if linecontents =~ 'root\s*='
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" Remove everything but the filename
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let b:main_tex_file = substitute(linecontents,
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\ '.*root\s*=\s*', "", "")
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let b:main_tex_file = substitute(b:main_tex_file, '\s*$', "", "")
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" Prepend current directory if this isn't an absolute path
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if b:main_tex_file !~ '^/'
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let b:main_tex_file = expand('%:p:h') . '/' . b:main_tex_file
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endif
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let b:main_tex_file = fnamemodify(b:main_tex_file, ":p")
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if b:main_tex_file !~ '\.tex$'
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let b:main_tex_file .= '.tex'
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endif
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return b:main_tex_file
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endif
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endfor
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" 3. scan current file for "\begin{document}"
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if &filetype == 'tex' && search('\C\\begin\_\s*{document}', 'nw') != 0
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return expand('%:p')
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endif
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" 4 borrow the Vim-Latex-Suite method of finding it
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if Tex_GetMainFileName() != expand('%:p')
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let b:main_tex_file = Tex_GetMainFileName()
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return b:main_tex_file
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endif
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" 5. prompt for file with completion
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let b:main_tex_file = s:PromptForMainFile()
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return b:main_tex_file
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endfunction
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function! s:PromptForMainFile()
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let saved_dir = getcwd()
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execute 'cd ' . fnameescape(expand('%:p:h'))
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let l:file = ''
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while !filereadable(l:file)
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let l:file = input('main LaTeX file: ', '', 'file')
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if l:file !~ '\.tex$'
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let l:file .= '.tex'
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endif
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endwhile
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let l:file = fnamemodify(l:file, ':p')
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execute 'cd ' . fnameescape(saved_dir)
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return l:file
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endfunction
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" Return the directory of the main tex file
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function! LatexBox_GetTexRoot()
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return fnamemodify(LatexBox_GetMainTexFile(), ':h')
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endfunction
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function! LatexBox_GetTexBasename(with_dir)
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if a:with_dir
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return fnamemodify(LatexBox_GetMainTexFile(), ':r')
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else
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return fnamemodify(LatexBox_GetMainTexFile(), ':t:r')
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endif
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endfunction
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function! LatexBox_GetAuxFile()
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" 1. check for b:build_dir variable
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if exists('b:build_dir') && isdirectory(b:build_dir)
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return b:build_dir . '/' . LatexBox_GetTexBasename(0) . '.aux'
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endif
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" 2. check for g:LatexBox_build_dir variable
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if exists('g:LatexBox_build_dir') && isdirectory(g:LatexBox_build_dir)
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return g:LatexBox_build_dir . '/' . LatexBox_GetTexBasename(0) . '.aux'
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endif
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" 3. use the base name of main tex file
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return LatexBox_GetTexBasename(1) . '.aux'
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endfunction
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function! LatexBox_GetLogFile()
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" 1. check for b:build_dir variable
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if exists('b:build_dir') && isdirectory(b:build_dir)
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return b:build_dir . '/' . LatexBox_GetTexBasename(0) . '.log'
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endif
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" 2. check for g:LatexBox_build_dir variable
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if exists('g:LatexBox_build_dir') && isdirectory(g:LatexBox_build_dir)
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return g:LatexBox_build_dir . '/' . LatexBox_GetTexBasename(0) . '.log'
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endif
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" 3. use the base name of main tex file
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return LatexBox_GetTexBasename(1) . '.log'
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endfunction
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function! LatexBox_GetOutputFile()
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" 1. check for b:build_dir variable
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if exists('b:build_dir') && isdirectory(b:build_dir)
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return b:build_dir . '/' . LatexBox_GetTexBasename(0)
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\ . '.' . g:LatexBox_output_type
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endif
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" 2. check for g:LatexBox_build_dir variable
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if exists('g:LatexBox_build_dir') && isdirectory(g:LatexBox_build_dir)
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return g:LatexBox_build_dir . '/' . LatexBox_GetTexBasename(0)
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\ . '.' . g:LatexBox_output_type
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endif
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" 3. use the base name of main tex file
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return LatexBox_GetTexBasename(1) . '.' . g:LatexBox_output_type
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endfunction
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" }}}
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" View Output {{{
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" Default pdf viewer
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if !exists('g:LatexBox_viewer')
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if has('win32')
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" On windows, 'running' a file will open it with the default program
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let g:LatexBox_viewer = ''
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else
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let g:LatexBox_viewer = 'xdg-open'
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endif
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endif
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function! LatexBox_View()
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let outfile = LatexBox_GetOutputFile()
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if !filereadable(outfile)
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echomsg fnamemodify(outfile, ':.') . ' is not readable'
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return
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endif
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let cmd = g:LatexBox_viewer . ' ' . shellescape(outfile)
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if has('win32')
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let cmd = '!start /b' . cmd . ' >nul'
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else
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let cmd = '!' . cmd . ' &>/dev/null &'
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endif
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silent execute cmd
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if !has("gui_running")
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redraw!
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endif
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endfunction
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command! LatexView call LatexBox_View()
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" }}}
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" In Comment {{{
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" LatexBox_InComment([line], [col])
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" return true if inside comment
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function! LatexBox_InComment(...)
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let line = a:0 >= 1 ? a:1 : line('.')
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let col = a:0 >= 2 ? a:2 : col('.')
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return synIDattr(synID(line, col, 0), "name") =~# '^texComment'
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endfunction
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" }}}
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" Get Current Environment {{{
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" LatexBox_GetCurrentEnvironment([with_pos])
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" Returns:
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" - environment
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" if with_pos is not given
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" - [envirnoment, lnum_begin, cnum_begin, lnum_end, cnum_end]
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" if with_pos is nonzero
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function! LatexBox_GetCurrentEnvironment(...)
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if a:0 > 0
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let with_pos = a:1
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else
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let with_pos = 0
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endif
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let begin_pat = '\C\\begin\_\s*{[^}]*}\|\\\@<!\\\[\|\\\@<!\\('
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let end_pat = '\C\\end\_\s*{[^}]*}\|\\\@<!\\\]\|\\\@<!\\)'
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let saved_pos = getpos('.')
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" move to the left until on a backslash
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let [bufnum, lnum, cnum, off] = getpos('.')
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let line = getline(lnum)
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while cnum > 1 && line[cnum - 1] != '\'
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let cnum -= 1
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endwhile
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call cursor(lnum, cnum)
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" match begin/end pairs but skip comments
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let flags = 'bnW'
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if strpart(getline('.'), col('.') - 1) =~ '^\%(' . begin_pat . '\)'
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let flags .= 'c'
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endif
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let [lnum1, cnum1] = searchpairpos(begin_pat, '', end_pat, flags,
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\ 'LatexBox_InComment()')
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let env = ''
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if lnum1
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let line = strpart(getline(lnum1), cnum1 - 1)
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if empty(env)
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let env = matchstr(line, '^\C\\begin\_\s*{\zs[^}]*\ze}')
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endif
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if empty(env)
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let env = matchstr(line, '^\\\[')
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endif
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if empty(env)
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let env = matchstr(line, '^\\(')
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endif
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endif
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if with_pos == 1
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let flags = 'nW'
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if !(lnum1 == lnum && cnum1 == cnum)
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let flags .= 'c'
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endif
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let [lnum2, cnum2] = searchpairpos(begin_pat, '', end_pat, flags,
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\ 'LatexBox_InComment()')
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call setpos('.', saved_pos)
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return [env, lnum1, cnum1, lnum2, cnum2]
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else
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call setpos('.', saved_pos)
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return env
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endif
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endfunction
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" }}}
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" Tex To Tree {{{
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" stores nested braces in a tree structure
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function! LatexBox_TexToTree(str)
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let tree = []
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let i1 = 0
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let i2 = -1
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let depth = 0
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while i2 < len(a:str)
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let i2 = match(a:str, '[{}]', i2 + 1)
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if i2 < 0
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let i2 = len(a:str)
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endif
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if i2 >= len(a:str) || a:str[i2] == '{'
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if depth == 0
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let item = substitute(strpart(a:str, i1, i2 - i1),
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\ '^\s*\|\s*$', '', 'g')
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if !empty(item)
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call add(tree, item)
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endif
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let i1 = i2 + 1
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endif
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let depth += 1
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else
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let depth -= 1
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if depth == 0
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call add(tree, LatexBox_TexToTree(strpart(a:str, i1, i2 - i1)))
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let i1 = i2 + 1
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endif
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endif
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endwhile
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return tree
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endfunction
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" }}}
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" Tree To Tex {{{
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function! LatexBox_TreeToTex(tree)
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if type(a:tree) == type('')
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return a:tree
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else
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return '{' . join(map(a:tree, 'LatexBox_TreeToTex(v:val)'), '') . '}'
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endif
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endfunction
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" }}}
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" vim:fdm=marker:ff=unix:noet:ts=4:sw=4
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