| " Language: xml |
| " Maintainer: Johannes Zellner <johannes@zellner.org> |
| " Last Change: Tue, 27 Apr 2004 14:54:59 CEST |
| " 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. |
| " 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 |
| 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 |
| if 0 == <SID>XmlIndentSynCheck(lnum) || 0 == <SID>XmlIndentSynCheck(a:lnum) |
| return indent(a:lnum) |
| endif |
| endif |
| |
| let ind = <SID>XmlIndentSum(lnum, -1, indent(lnum)) |
| let ind = <SID>XmlIndentSum(a:lnum, 0, ind) |
| |
| return ind |
| endfun |
| |
| " vim:ts=8 |