vim: runtime/indent/tex.vim comparison

comparison runtime/indent/tex.vim @ 13912:a9fdf01085a8

Update runtime files. commit https://github.com/vim/vim/commit/7db25fed5de1be922b8cbb0328149469606a0424 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 13 00:02:36 2018 +0200 Update runtime files.

author	Christian Brabandt <cb@256bit.org>
date	Sun, 13 May 2018 00:15:05 +0200
parents	a62eeee5f116
children	cd513458728c

comparison

equal deleted inserted replaced

-:c02f0e120b11
+:a9fdf01085a8
-" Vim indent file
+" Vim indent file for TeX
-" Language:     LaTeX
+" Language:             TeX
-" Maintainer:   Yichao Zhou <broken.zhou AT gmail.com>
+" Maintainer:           Christian Brabandt <cb@256bit.org>
-" Created:      Sat, 16 Feb 2002 16:50:19 +0100
+" Previous Maintainer:  YiChao Zhou <broken.zhou AT gmail.com>
-" Version: 1.0.0
+" Latest Revision:      2017-05-03
+" Version:              0.9.3
+" Repository:           https://github.com/chrisbra/vim-tex-indent
+" Documention:          :h ft-tex-indent
+" Created:              Sat, 16 Feb 2002 16:50:19 +0100
 "   Please email me if you found something I can do.  Comments, bug report and
 "   feature request are welcome.
-" Last Update:  {{{
+" Last Update:  {{{1
 "               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>
+"               2011/3/6, by Zhou YiChao <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>
+"               2011/9/25, by Zhou Yichao <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>
+"               2011/10/23 by Zhou Yichao <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>
+"               2012/02/27 by Zhou Yichao <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>
+"               2012/03/06 by Zhou Yichao <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>
+"               2012/03/11 by Zhou Yichao <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>
+"               2012/03/12 by Zhou Yichao <broken.zhou AT gmail.com>
 "               (*) Modify indentkeys.
-"               2012/03/18 by Yichao Zhou <broken.zhou AT gmail.com>
+"               2012/03/18 by Zhou Yichao <broken.zhou AT gmail.com>
 "               (*) Add &cpo
-"               2013/05/02 by Yichao Zhou <broken.zhou AT gmail.com>
+"               2013/05/02 by Zhou Yichao <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>
+"               2014/06/23 by Zhou Yichao <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>
+"               2014/08/03 by Zhou Yichao <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>
+"               2014/08/09 by Zhou Yichao <broken.zhou AT gmail.com>
-"               (*) Fix problems for \[ and \].  Thanks Bruno for reporting.
+"               (*) Add missing return value for s:GetEndIndentation(...)
-"               2017/04/30 by Yichao Zhou <broken.zhou AT gmail.com>
+"               2017/05/02: new maintainer Christian Brabandt
-"               (*) Fix a bug between g:tex_noindent_env and g:tex_indent_items
+"               2017/05/02: use shiftwidth() function
-"                   Now g:tex_noindent_env='document\|verbatim\|itemize' (Emacs
+"               2017/05/02: do not add indent when environment starts and ends
-"                   style) is supported.  Thanks Miles Wheeler for reporting.
+"                           at previous line
-"               2018/02/07 by Yichao Zhou <broken.zhou AT gmail.com>
+"               2017/05/03: release 0.9.3 submitted for inclusion with Vim
-"               (*) Make indentation more smart in the normal mode
 "
 " }}}
+" Only define the function once {{{1
-" 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.
-"
-"              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 {{{1
-" Define global variable {{{
 let b:did_indent = 1
 if !exists("g:tex_indent_items")
 let g:tex_indent_items = 1
 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 " {{{1
-" 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, '^\(\^\\s\*\)*', '', '')
+let b:undo_indent = 'setlocal indentexpr< indentkeys< smartindent< autoindent<'
 " }}}
+function! GetTeXIndent() " {{{1
-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.
 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
 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.
+" Add a 'shiftwidth' after beginning of environments
-" Don't add it for \begin{document} and \begin{verbatim}
+" But don't do it for g:tex_noindent_env or when it also ends at the
-" if line =~ '^\s*\\begin{\(.*\)}'  && line !~ 'verbatim'
+" previous line.
-" LH modification : \begin does not always start a line
+if line =~ '\\begin{.*}'  && line !~ '\\end{.*}' && line !~ g:tex_noindent_env
-" ZYC modification : \end after \begin won't cause wrong indent anymore
+let ind = ind + shiftwidth()
-if line =~ '\\begin{.*}'
+let stay = 0
-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 ind = ind - shiftwidth()
 let stay = 0
 endif
 if g:tex_indent_brace
-if line =~ '[[{]$'
+let char = line[strlen(line)-1]
+if char == '[' || char == '{'
 let ind += shiftwidth()
 let stay = 0
 endif
-if cline =~ '^\s*\\\?[\]}]' && s:CheckPairedIsLastCharacter(v:lnum, indent(v:lnum))
+let cind = indent(v:lnum)
+let char = cline[cind]
+if (char == ']' || char == '}') &&
+\ s:CheckPairedIsLastCharacter(v:lnum, cind)
 let ind -= shiftwidth()
 let stay = 0
 endif
-if line !~ '^\s*\\\?[\]}]'
+for i in range(indent(lnum)+1, strlen(line)-1)
-for i in range(indent(lnum)+1, strlen(line)-1)
+let char = line[i]
-let char = line[i]
+if char == ']' || char == '}'
-if char == ']' || char == '}'
+if s:CheckPairedIsLastCharacter(lnum, i)
-if s:CheckPairedIsLastCharacter(lnum, i)
+let ind -= shiftwidth()
-let ind -= shiftwidth()
+let stay = 0
-let stay = 0
-endif
 endif
-endfor
+endif
-endif
+endfor
 endif
 " Special treatment for 'item'
 " ----------------------------
 let ind = ind + shiftwidth()
 let stay = 0
 endif
 endif
-if stay && mode() == 'i'
+if stay
-" If there is no obvious indentation hint, and indentation is triggered
+" If there is no obvious indentation hint, we trust our user.
-" in insert mode, 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) " {{{1
-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_itemize_env
+return indent(lnum) + 2 * shiftwidth()
+endif
 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) " {{{
+function! s:GetEndIndentation(lnum) " {{{1
 if getline(a:lnum) =~ '\\begin{.*}.*\\end{.*}'
 return -1
 endif
 let min_indent = 100
 return min_indent - shiftwidth()
 endfunction
 " Most of the code is from matchparen.vim
 function! s:CheckPairedIsLastCharacter(lnum, col) "{{{
+" Get the character under the cursor and check if it's in 'matchpairs'.
 let c_lnum = a:lnum
 let c_col = a:col+1
-let line = getline(c_lnum)
-if line[c_col-1] == '\'
+let c = getline(c_lnum)[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
 let line = getline(m_lnum)
 return strlen(line) == m_col
 endif
 return 0
-endfunction "}}}
+endfunction
+" Reset cpo setting {{{1
 let &cpo = s:cpo_save
 unlet s:cpo_save
 " vim: set sw=4 textwidth=80:

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comparison runtime/indent/tex.vim @ 13912:a9fdf01085a8