96 lines
2.4 KiB
VimL
96 lines
2.4 KiB
VimL
" Language: xml
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" Maintainer: Johannes Zellner <johannes@zellner.org>
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" Last Change: 2012 Jul 25
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" Notes: 1) does not indent pure non-xml code (e.g. embedded scripts)
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" 2) will be confused by unbalanced tags in comments
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" or CDATA sections.
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" 2009-05-26 patch by Nikolai Weibull
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" TODO: implement pre-like tags, see xml_indent_open / xml_indent_close
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" Only load this indent file when no other was loaded.
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if exists("b:did_indent")
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finish
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endif
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let b:did_indent = 1
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let s:keepcpo= &cpo
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set cpo&vim
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" [-- local settings (must come before aborting the script) --]
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setlocal indentexpr=XmlIndentGet(v:lnum,1)
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setlocal indentkeys=o,O,*<Return>,<>>,<<>,/,{,}
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" [-- check if it's xml --]
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fun! <SID>XmlIndentSynCheck(lnum)
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if '' != &syntax
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let syn1 = synIDattr(synID(a:lnum, 1, 1), 'name')
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let syn2 = synIDattr(synID(a:lnum, strlen(getline(a:lnum)) - 1, 1), 'name')
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if '' != syn1 && syn1 !~ 'xml' && '' != syn2 && syn2 !~ 'xml'
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" don't indent pure non-xml code
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return 0
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elseif syn1 =~ '^xmlComment' && syn2 =~ '^xmlComment'
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" indent comments specially
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return -1
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endif
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endif
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return 1
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endfun
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fun! XmlPrevLine(line)
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" 'Checking previous line:'
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if (match(a:line, '^<?.*?>') != -1)
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" 'Doctype'
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return 0
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elseif (match(a:line, '/>') != -1) || (match(a:line, '</') != -1)
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" 'Is closing tag line, no change below.'
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return 0
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elseif (match(a:line, '<') != -1) || (match(a:line, '>') != -1)
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" 'Is opening tag, time to indent.'
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return 1
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else
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" 'No change'
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return 0
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endif
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endfun
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fun! XmlCurrentLine(line)
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" 'Checking current line:'
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if (match(a:line, '^\s*/\{0,1}>') != -1) || (match(a:line, '</') != -1)
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" 'Is closing tag line'
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return -1
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else
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" 'Is normal line, no change'
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return 0
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endif
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endfun
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fun! XmlIndentGet(lnum, use_syntax_check)
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" Find a non-empty line above the current line.
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let lnum = prevnonblank(a:lnum - 1)
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" Hit the start of the file, use zero indent.
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if lnum == 0
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return 0
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endif
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if a:use_syntax_check
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let check_lnum = <SID>XmlIndentSynCheck(lnum)
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let check_alnum = <SID>XmlIndentSynCheck(a:lnum)
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if 0 == check_lnum || 0 == check_alnum
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return indent(a:lnum)
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elseif -1 == check_lnum || -1 == check_alnum
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return -1
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endif
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endif
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let cur = getline(a:lnum)
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let pre = getline(lnum)
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let ind = indent(lnum) + &sw * (XmlPrevLine(pre) + XmlCurrentLine(cur))
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return ind
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endfun
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let &cpo = s:keepcpo
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unlet s:keepcpo
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" vim:ts=8
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