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Diffstat (limited to 'vim73/indent/xml.vim')
| -rw-r--r-- | vim73/indent/xml.vim | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/vim73/indent/xml.vim b/vim73/indent/xml.vim new file mode 100644 index 0000000..4ac35b6 --- /dev/null +++ b/vim73/indent/xml.vim @@ -0,0 +1,96 @@ +" Language: xml +" Maintainer: Johannes Zellner <johannes@zellner.org> +" Last Change: 2009-05-26 00:17:25 +" Notes: 1) does not indent pure non-xml code (e.g. embedded scripts) +" 2) will be confused by unbalanced tags in comments +" or CDATA sections. +" 2009-05-26 patch by Nikolai Weibull +" TODO: implement pre-like tags, see xml_indent_open / xml_indent_close + +" Only load this indent file when no other was loaded. +if exists("b:did_indent") + finish +endif +let b:did_indent = 1 + +" [-- local settings (must come before aborting the script) --] +setlocal indentexpr=XmlIndentGet(v:lnum,1) +setlocal indentkeys=o,O,*<Return>,<>>,<<>,/,{,} + +set cpo-=C + +if !exists('b:xml_indent_open') + let b:xml_indent_open = '.\{-}<\a' + " pre tag, e.g. <address> + " let b:xml_indent_open = '.\{-}<[/]\@!\(address\)\@!' +endif + +if !exists('b:xml_indent_close') + let b:xml_indent_close = '.\{-}</' + " end pre tag, e.g. </address> + " let b:xml_indent_close = '.\{-}</\(address\)\@!' +endif + +" [-- finish, if the function already exists --] +if exists('*XmlIndentGet') | finish | endif + +fun! <SID>XmlIndentWithPattern(line, pat) + let s = substitute('x'.a:line, a:pat, "\1", 'g') + return strlen(substitute(s, "[^\1].*$", '', '')) +endfun + +" [-- check if it's xml --] +fun! <SID>XmlIndentSynCheck(lnum) + if '' != &syntax + let syn1 = synIDattr(synID(a:lnum, 1, 1), 'name') + let syn2 = synIDattr(synID(a:lnum, strlen(getline(a:lnum)) - 1, 1), 'name') + if '' != syn1 && syn1 !~ 'xml' && '' != syn2 && syn2 !~ 'xml' + " don't indent pure non-xml code + return 0 + elseif syn1 =~ '^xmlComment' && syn2 =~ '^xmlComment' + " indent comments specially + return -1 + endif + endif + return 1 +endfun + +" [-- return the sum of indents of a:lnum --] +fun! <SID>XmlIndentSum(lnum, style, add) + let line = getline(a:lnum) + if a:style == match(line, '^\s*</') + return (&sw * + \ (<SID>XmlIndentWithPattern(line, b:xml_indent_open) + \ - <SID>XmlIndentWithPattern(line, b:xml_indent_close) + \ - <SID>XmlIndentWithPattern(line, '.\{-}/>'))) + a:add + else + return a:add + endif +endfun + +fun! XmlIndentGet(lnum, use_syntax_check) + " Find a non-empty line above the current line. + let lnum = prevnonblank(a:lnum - 1) + + " Hit the start of the file, use zero indent. + if lnum == 0 + return 0 + endif + + if a:use_syntax_check + let check_lnum = <SID>XmlIndentSynCheck(lnum) + let check_alnum = <SID>XmlIndentSynCheck(a:lnum) + if 0 == check_lnum || 0 == check_alnum + return indent(a:lnum) + elseif -1 == check_lnum || -1 == check_alnum + return -1 + endif + endif + + let ind = <SID>XmlIndentSum(lnum, -1, indent(lnum)) + let ind = <SID>XmlIndentSum(a:lnum, 0, ind) + + return ind +endfun + +" vim:ts=8 |