140 lines
3.7 KiB
VimL
140 lines
3.7 KiB
VimL
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" Vim indent file
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" Language: LaTeX
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" Maintainer: Johannes Tanzler <jtanzler@yline.com>
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" Created: Sat, 16 Feb 2002 16:50:19 +0100
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" Last Change: Sun, 17 Feb 2002 00:09:11 +0100
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" Last Update: 18th feb 2002, by LH :
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" (*) better support for the option
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" (*) use some regex instead of several '||'.
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" Version: 0.02
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" URL: comming soon: http://www.unet.univie.ac.at/~a9925098/vim/indent/tex.vim
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" --> If you're a Vim guru & and you find something that could be done in a
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" better (perhaps in a more Vim-ish or Vi-ish) way, please let me know!
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" Options: {{{
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"
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" To set the following options (ok, currently it's just one), add a line like
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" let g:tex_indent_items = 1
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" to your ~/.vimrc.
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"
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" * g:tex_indent_items
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"
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" If this variable is set, item-environments are indented like Emacs does
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" it, i.e., continuation lines are indented with a shiftwidth.
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"
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" NOTE: I've already set the variable below; delete the corresponding line
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" if you don't like this behaviour.
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"
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" Per default, it is unset.
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"
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" set unset
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" ----------------------------------------------------------------
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" \begin{itemize} \begin{itemize}
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" \item blablabla \item blablabla
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" bla bla bla bla bla bla
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" \item blablabla \item blablabla
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" bla bla bla bla bla bla
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" \end{itemize} \end{itemize}
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"
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"
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" This option applies to itemize, description, enumerate, and
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" thebibliography.
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"
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" }}}
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" Delete the next line to avoid the special indention of items
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if !exists("g:tex_indent_items")
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let g:tex_indent_items = 1
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endif
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if exists("b:did_indent") | finish
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endif
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let b:did_indent = 1
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setlocal indentexpr=GetTeXIndent()
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setlocal nolisp
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setlocal nosmartindent
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setlocal autoindent
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setlocal indentkeys+=},=\\item,=\\bibitem
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" Only define the function once
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if exists("*GetTeXIndent") | finish
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endif
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function GetTeXIndent()
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" Find a non-blank line above the current line.
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let lnum = prevnonblank(v:lnum - 1)
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" At the start of the file use zero indent.
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if lnum == 0 | return 0
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endif
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let ind = indent(lnum)
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let line = getline(lnum) " last line
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let cline = getline(v:lnum) " current line
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" Do not change indentation of commented lines.
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if line =~ '^\s*%'
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return ind
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endif
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" Add a 'shiftwidth' after beginning of environments.
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" Don't add it for \begin{document} and \begin{verbatim}
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""if line =~ '^\s*\\begin{\(.*\)}' && line !~ 'verbatim'
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" LH modification : \begin does not always start a line
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if line =~ '\\begin{\(.*\)}' && line !~ 'verbatim'
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\ && line !~ 'document'
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let ind = ind + &sw
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if g:tex_indent_items == 1
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" Add another sw for item-environments
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if line =~ 'itemize\|description\|enumerate\|thebibliography'
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let ind = ind + &sw
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endif
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endif
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endif
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" Subtract a 'shiftwidth' when an environment ends
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if cline =~ '^\s*\\end' && cline !~ 'verbatim'
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\&& cline !~ 'document'
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if g:tex_indent_items == 1
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" Remove another sw for item-environments
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if cline =~ 'itemize\|description\|enumerate\|thebibliography'
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let ind = ind - &sw
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endif
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endif
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let ind = ind - &sw
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endif
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" Special treatment for 'item'
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" ----------------------------
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if g:tex_indent_items == 1
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" '\item' or '\bibitem' itself:
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if cline =~ '^\s*\\\(bib\)\=item'
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let ind = ind - &sw
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endif
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" lines following to '\item' are intented once again:
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if line =~ '^\s*\\\(bib\)\=item'
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let ind = ind + &sw
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endif
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endif
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return ind
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endfunction
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