From 7fbcdcfeff2e3c54b660e6b79dc51273d09b905c Mon Sep 17 00:00:00 2001
From: ache <ache@ache.one>
Date: Mon, 17 Jul 2017 00:38:31 +0200
Subject: Add svg support

---
 plugin/svg.vim | 105 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 plugin/svg.vim

diff --git a/plugin/svg.vim b/plugin/svg.vim
new file mode 100644
index 0000000..b1597a9
--- /dev/null
+++ b/plugin/svg.vim
@@ -0,0 +1,105 @@
+" Vim indent file
+"
+" Language: svg
+" Maintainer: Jason Shell <jason.shell.mail@gmail.com>
+" Last Change:	2015 Sep 23
+" Notes: 1) will be confused by unbalanced tags in comments
+
+" Only load this indent file when no other was loaded.
+if exists('b:did_indent')
+  finish
+endif
+let b:did_indent = 1
+let s:keepcpo= &cpo
+set cpo&vim
+
+" [-- local settings (must come before aborting the script) --]
+setlocal indentexpr=SvgIndentGet(v:lnum,1)
+setlocal indentkeys=o,O,*<Return>,<>>,<<>,/,{,}
+
+if !exists('b:svg_indent_open')
+  let b:svg_indent_open = '.\{-}<\a'
+  " pre tag, e.g. <address>
+  " let b:svg_indent_open = '.\{-}<[/]\@!\(address\)\@!'
+endif
+
+if !exists('b:svg_indent_close')
+  let b:svg_indent_close = '.\{-}</'
+  " end pre tag, e.g. </address>
+  " let b:svg_indent_close = '.\{-}</\(address\)\@!'
+endif
+
+let &cpo = s:keepcpo
+unlet s:keepcpo
+
+" [-- finish, if the function already exists --]
+if exists('*SvgIndentGet')
+  finish
+endif
+
+let s:keepcpo= &cpo
+set cpo&vim
+
+fun! <SID>SvgIndentWithPattern(line, pat)
+  let s = substitute('x'.a:line, a:pat, "\1", 'g')
+  return strlen(substitute(s, "[^\1].*$", '', ''))
+endfun
+
+" [-- check if it's svg --]
+fun! <SID>SvgIndentSynCheck(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 !~ 'svg' && '' != syn2 && syn2 !~ 'svg'
+      " don't indent pure non-xml code
+      return 0
+
+    " elseif syn1 =~ '^xmlComment' && syn2 =~ '^xmlComment'
+    elseif syn1 =~ '^svgComment' && syn2 =~ '^svgComment'
+      " indent comments specially
+      return -1
+    endif
+  endif
+  return 1
+endfun
+
+" [-- return the sum of indents of a:lnum --]
+fun! <SID>SvgIndentSum(lnum, style, add)
+  let line = getline(a:lnum)
+  if a:style == match(line, '^\s*</')
+    return (&sw *
+    \  (<SID>SvgIndentWithPattern(line, b:svg_indent_open)
+    \ - <SID>SvgIndentWithPattern(line, b:svg_indent_close)
+    \ - <SID>SvgIndentWithPattern(line, '.\{-}/>'))) + a:add
+  else
+    return a:add
+  endif
+endfun
+
+fun! SvgIndentGet(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>SvgIndentSynCheck(lnum)
+    let check_alnum = <SID>SvgIndentSynCheck(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>SvgIndentSum(lnum, -1, indent(lnum))
+  let ind = <SID>SvgIndentSum(a:lnum, 0, ind)
+
+  return ind
+endfun
+
+let &cpo = s:keepcpo
+unlet s:keepcpo
-- 
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