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Diffstat (limited to 'indent/tex.vim')
| -rw-r--r-- | indent/tex.vim | 421 |
1 files changed, 0 insertions, 421 deletions
diff --git a/indent/tex.vim b/indent/tex.vim index ca1d0a5a..14af7b28 100644 --- a/indent/tex.vim +++ b/indent/tex.vim @@ -1,424 +1,3 @@ -if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1 - -" Vim indent file -" Language: LaTeX -" Maintainer: Yichao Zhou <broken.zhou AT gmail.com> -" Created: Sat, 16 Feb 2002 16:50:19 +0100 -" Version: 0.9.4 -" Please email me if you found something I can do. Comments, bug report and -" feature request are welcome. - -" Last Update: {{{ -" 25th Sep 2002, by LH : -" (*) better support for the option -" (*) use some regex instead of several '||'. -" Oct 9th, 2003, by JT: -" (*) don't change indentation of lines starting with '%' -" 2005/06/15, Moshe Kaminsky <kaminsky AT math.huji.ac.il> -" (*) New variables: -" g:tex_items, g:tex_itemize_env, g:tex_noindent_env -" 2011/3/6, by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Don't change indentation of lines starting with '%' -" I don't see any code with '%' and it doesn't work properly -" so I add some code. -" (*) New features: Add smartindent-like indent for "{}" and "[]". -" (*) New variables: g:tex_indent_brace -" 2011/9/25, by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Bug fix: smartindent-like indent for "[]" -" (*) New features: Align with "&". -" (*) New variable: g:tex_indent_and. -" 2011/10/23 by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Bug fix: improve the smartindent-like indent for "{}" and -" "[]". -" 2012/02/27 by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Bug fix: support default folding marker. -" (*) Indent with "&" is not very handy. Make it not enable by -" default. -" 2012/03/06 by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Modify "&" behavior and make it default again. Now "&" -" won't align when there are more then one "&" in the previous -" line. -" (*) Add indent "\left(" and "\right)" -" (*) Trust user when in "verbatim" and "lstlisting" -" 2012/03/11 by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Modify "&" so that only indent when current line start with -" "&". -" 2012/03/12 by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Modify indentkeys. -" 2012/03/18 by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Add &cpo -" 2013/05/02 by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Fix problem about GetTeXIndent checker. Thank Albert Netymk -" for reporting this. -" 2014/06/23 by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Remove the feature g:tex_indent_and because it is buggy. -" (*) If there is not any obvious indentation hints, we do not -" alert our user's current indentation. -" (*) g:tex_indent_brace now only works if the open brace is the -" last character of that line. -" 2014/08/03 by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Indent current line if last line has larger indentation -" 2016/11/08 by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Fix problems for \[ and \]. Thanks Bruno for reporting. -" 2017/04/30 by Yichao Zhou <broken.zhou AT gmail.com> -" (*) Fix a bug between g:tex_noindent_env and g:tex_indent_items -" Now g:tex_noindent_env='document\|verbatim\|itemize' (Emacs -" style) is supported. Thanks Miles Wheeler for reporting. -" -" }}} - -" Document: {{{ -" -" To set the following options (ok, currently it's just one), add a line like -" let g:tex_indent_items = 1 -" to your ~/.vimrc. -" -" * g:tex_indent_brace -" -" If this variable is unset or non-zero, it will use smartindent-like style -" for "{}" and "[]". Now this only works if the open brace is the last -" character of that line. -" -" % Example 1 -" \usetikzlibrary{ -" external -" } -" -" % Example 2 -" \tikzexternalize[ -" prefix=tikz] -" -" * g:tex_indent_items -" -" If this variable is set, item-environments are indented like Emacs does -" it, i.e., continuation lines are indented with a shiftwidth. -" -" NOTE: I've already set the variable below; delete the corresponding line -" if you don't like this behaviour. -" -" Per default, it is unset. -" -" set unset -" ---------------------------------------------------------------- -" \begin{itemize} \begin{itemize} -" \item blablabla \item blablabla -" bla bla bla bla bla bla -" \item blablabla \item blablabla -" bla bla bla bla bla bla -" \end{itemize} \end{itemize} -" -" -" * g:tex_items -" -" A list of tokens to be considered as commands for the beginning of an item -" command. The tokens should be separated with '\|'. The initial '\' should -" be escaped. The default is '\\bibitem\|\\item'. -" -" * g:tex_itemize_env -" -" A list of environment names, separated with '\|', where the items (item -" commands matching g:tex_items) may appear. The default is -" 'itemize\|description\|enumerate\|thebibliography'. -" -" * g:tex_noindent_env -" -" A list of environment names. separated with '\|', where no indentation is -" required. The default is 'document\|verbatim'. -" }}} - -" Only define the function once -if exists("b:did_indent") - finish -endif - -let s:cpo_save = &cpo -set cpo&vim - -" Define global variable {{{ - -let b:did_indent = 1 - -if !exists("g:tex_indent_items") - let g:tex_indent_items = 1 -endif -if !exists("g:tex_indent_brace") - let g:tex_indent_brace = 1 -endif -if !exists("g:tex_max_scan_line") - let g:tex_max_scan_line = 60 -endif -if g:tex_indent_items - if !exists("g:tex_itemize_env") - let g:tex_itemize_env = 'itemize\|description\|enumerate\|thebibliography' - endif - if !exists('g:tex_items') - let g:tex_items = '\\bibitem\|\\item' - endif -else - let g:tex_items = '' -endif - -if !exists("g:tex_noindent_env") - let g:tex_noindent_env = 'document\|verbatim\|lstlisting' -endif "}}} - -" VIM Setting " {{{ -setlocal autoindent -setlocal nosmartindent -setlocal indentexpr=GetTeXIndent() -setlocal indentkeys& -exec 'setlocal indentkeys+=[,(,{,),},],\&' . substitute(g:tex_items, '^\|\(\\|\)', ',=', 'g') -let g:tex_items = '^\s*' . substitute(g:tex_items, '^\(\^\\s\*\)*', '', '') -" }}} - -function! GetTeXIndent() " {{{ - " Find a non-blank line above the current line. - let lnum = prevnonblank(v:lnum - 1) - let cnum = v:lnum - - " Comment line is not what we need. - while lnum != 0 && getline(lnum) =~ '^\s*%' - let lnum = prevnonblank(lnum - 1) - endwhile - - " At the start of the file use zero indent. - if lnum == 0 - return 0 - endif - - let line = substitute(getline(lnum), '\s*%.*', '','g') " last line - let cline = substitute(getline(v:lnum), '\s*%.*', '', 'g') " current line - - " We are in verbatim, so do what our user what. - if synIDattr(synID(v:lnum, indent(v:lnum), 1), "name") == "texZone" - if empty(cline) - return indent(lnum) - else - return indent(v:lnum) - end - endif - - if lnum == 0 - return 0 - endif - - let ind = indent(lnum) - let stay = 1 - - " New code for comment: retain the indent of current line - if cline =~ '^\s*%' - return indent(v:lnum) - endif - - " Add a 'shiftwidth' after beginning of environments. - " Don't add it for \begin{document} and \begin{verbatim} - " if line =~ '^\s*\\begin{\(.*\)}' && line !~ 'verbatim' - " LH modification : \begin does not always start a line - " ZYC modification : \end after \begin won't cause wrong indent anymore - if line =~ '\\begin{.*}' - if line !~ g:tex_noindent_env - let ind = ind + shiftwidth() - let stay = 0 - endif - - if g:tex_indent_items - " Add another sw for item-environments - if line =~ g:tex_itemize_env - let ind = ind + shiftwidth() - let stay = 0 - endif - endif - endif - - if cline =~ '\\end{.*}' - let retn = s:GetEndIndentation(v:lnum) - if retn != -1 - return retn - endif - end - " Subtract a 'shiftwidth' when an environment ends - if cline =~ '\\end{.*}' - \ && cline !~ g:tex_noindent_env - \ && cline !~ '\\begin{.*}.*\\end{.*}' - if g:tex_indent_items - " Remove another sw for item-environments - if cline =~ g:tex_itemize_env - let ind = ind - shiftwidth() - let stay = 0 - endif - endif - - let ind = ind - shiftwidth() - let stay = 0 - endif - - if g:tex_indent_brace - if line =~ '[[{]$' - let ind += shiftwidth() - let stay = 0 - endif - - if cline =~ '^\s*\\\?[\]}]' && s:CheckPairedIsLastCharacter(v:lnum, indent(v:lnum)) - let ind -= shiftwidth() - let stay = 0 - endif - - if line !~ '^\s*\\\?[\]}]' - for i in range(indent(lnum)+1, strlen(line)-1) - let char = line[i] - if char == ']' || char == '}' - if s:CheckPairedIsLastCharacter(lnum, i) - let ind -= shiftwidth() - let stay = 0 - endif - endif - endfor - endif - endif - - " Special treatment for 'item' - " ---------------------------- - - if g:tex_indent_items - " '\item' or '\bibitem' itself: - if cline =~ g:tex_items - let ind = ind - shiftwidth() - let stay = 0 - endif - " lines following to '\item' are intented once again: - if line =~ g:tex_items - let ind = ind + shiftwidth() - let stay = 0 - endif - endif - - if stay - " If there is no obvious indentation hint, we trust our user. - if empty(cline) - return ind - else - return max([indent(v:lnum), s:GetLastBeginIndentation(v:lnum)]) - endif - else - return ind - endif -endfunction "}}} - -function! s:GetLastBeginIndentation(lnum) " {{{ - let matchend = 1 - for lnum in range(a:lnum-1, max([a:lnum - g:tex_max_scan_line, 1]), -1) - let line = getline(lnum) - if line =~ '\\end{.*}' - let matchend += 1 - endif - if line =~ '\\begin{.*}' - let matchend -= 1 - endif - if matchend == 0 - if line =~ g:tex_noindent_env - return indent(lnum) - endif - if line =~ g:tex_itemize_env - return indent(lnum) + 2 * shiftwidth() - endif - return indent(lnum) + shiftwidth() - endif - endfor - return -1 -endfunction - -function! s:GetEndIndentation(lnum) " {{{ - if getline(a:lnum) =~ '\\begin{.*}.*\\end{.*}' - return -1 - endif - - let min_indent = 100 - let matchend = 1 - for lnum in range(a:lnum-1, max([a:lnum-g:tex_max_scan_line, 1]), -1) - let line = getline(lnum) - if line =~ '\\end{.*}' - let matchend += 1 - endif - if line =~ '\\begin{.*}' - let matchend -= 1 - endif - if matchend == 0 - return indent(lnum) - endif - if !empty(line) - let min_indent = min([min_indent, indent(lnum)]) - endif - endfor - return min_indent - shiftwidth() -endfunction - -" Most of the code is from matchparen.vim -function! s:CheckPairedIsLastCharacter(lnum, col) "{{{ - let c_lnum = a:lnum - let c_col = a:col+1 - - let line = getline(c_lnum) - if line[c_col-1] == '\' - let c_col = c_col + 1 - endif - let c = line[c_col-1] - - let plist = split(&matchpairs, '.\zs[:,]') - let i = index(plist, c) - if i < 0 - return 0 - endif - - " Figure out the arguments for searchpairpos(). - if i % 2 == 0 - let s_flags = 'nW' - let c2 = plist[i + 1] - else - let s_flags = 'nbW' - let c2 = c - let c = plist[i - 1] - endif - if c == '[' - let c = '\[' - let c2 = '\]' - endif - - " Find the match. When it was just before the cursor move it there for a - " moment. - let save_cursor = winsaveview() - call cursor(c_lnum, c_col) - - " When not in a string or comment ignore matches inside them. - " We match "escape" for special items, such as lispEscapeSpecial. - let s_skip ='synIDattr(synID(line("."), col("."), 0), "name") ' . - \ '=~? "string\\|character\\|singlequote\\|escape\\|comment"' - execute 'if' s_skip '| let s_skip = 0 | endif' - - let stopline = max([0, c_lnum - g:tex_max_scan_line]) - - " Limit the search time to 300 msec to avoid a hang on very long lines. - " This fails when a timeout is not supported. - try - let [m_lnum, m_col] = searchpairpos(c, '', c2, s_flags, s_skip, stopline, 100) - catch /E118/ - endtry - - call winrestview(save_cursor) - - if m_lnum > 0 - let line = getline(m_lnum) - return strlen(line) == m_col - endif - - return 0 -endfunction "}}} - -let &cpo = s:cpo_save -unlet s:cpo_save - -" vim: set sw=4 textwidth=80: - -endif if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1 " LaTeX indent file (part of LaTeX Box) |