1 files changed, 111 insertions, 0 deletions
diff --git a/runtime/indent/eruby.vim b/runtime/indent/eruby.vim
new file mode 100644
index 0000000..6ff15ab
--- /dev/null
+++ b/runtime/indent/eruby.vim
@@ -0,0 +1,111 @@
+" Vim indent file
+" Language:		eRuby
+" Maintainer:		Tim Pope <vimNOSPAM@tpope.org>
+" URL:			https://github.com/vim-ruby/vim-ruby
+" Release Coordinator:	Doug Kearns <dougkearns@gmail.com>
+" Last Change:		2019 Jan 06
+
+if exists("b:did_indent")
+  finish
+endif
+
+runtime! indent/ruby.vim
+unlet! b:did_indent
+setlocal indentexpr=
+
+if exists("b:eruby_subtype") && b:eruby_subtype != '' && b:eruby_subtype !=# 'eruby'
+  exe "runtime! indent/".b:eruby_subtype.".vim"
+else
+  runtime! indent/html.vim
+endif
+unlet! b:did_indent
+
+" Force HTML indent to not keep state.
+let b:html_indent_usestate = 0
+
+if &l:indentexpr == ''
+  if &l:cindent
+    let &l:indentexpr = 'cindent(v:lnum)'
+  else
+    let &l:indentexpr = 'indent(prevnonblank(v:lnum-1))'
+  endif
+endif
+let b:eruby_subtype_indentexpr = &l:indentexpr
+
+let b:did_indent = 1
+
+setlocal indentexpr=GetErubyIndent()
+setlocal indentkeys=o,O,*<Return>,<>>,{,},0),0],o,O,!^F,=end,=else,=elsif,=rescue,=ensure,=when
+
+" Only define the function once.
+if exists("*GetErubyIndent")
+  finish
+endif
+
+" this file uses line continuations
+let s:cpo_sav = &cpo
+set cpo&vim
+
+function! GetErubyIndent(...)
+  " The value of a single shift-width
+  if exists('*shiftwidth')
+    let sw = shiftwidth()
+  else
+    let sw = &sw
+  endif
+
+  if a:0 && a:1 == '.'
+    let v:lnum = line('.')
+  elseif a:0 && a:1 =~ '^\d'
+    let v:lnum = a:1
+  endif
+  let vcol = col('.')
+  call cursor(v:lnum,1)
+  let inruby = searchpair('<%','','%>','W')
+  call cursor(v:lnum,vcol)
+  if inruby && getline(v:lnum) !~ '^<%\|^\s*[-=]\=%>'
+    let ind = GetRubyIndent(v:lnum)
+  else
+    exe "let ind = ".b:eruby_subtype_indentexpr
+
+    " Workaround for Andy Wokula's HTML indent. This should be removed after
+    " some time, since the newest version is fixed in a different way.
+    if b:eruby_subtype_indentexpr =~# '^HtmlIndent('
+	  \ && exists('b:indent')
+	  \ && type(b:indent) == type({})
+	  \ && has_key(b:indent, 'lnum')
+      " Force HTML indent to not keep state
+      let b:indent.lnum = -1
+    endif
+  endif
+  let lnum = prevnonblank(v:lnum-1)
+  let line = getline(lnum)
+  let cline = getline(v:lnum)
+  if cline =~# '^\s*<%[-=]\=\s*\%(}\|end\|else\|\%(ensure\|rescue\|elsif\|when\).\{-\}\)\s*\%([-=]\=%>\|$\)'
+    let ind = ind - sw
+  endif
+  if line =~# '\S\s*<%[-=]\=\s*\%(}\|end\).\{-\}\s*\%([-=]\=%>\|$\)'
+    let ind = ind - sw
+  endif
+  if line =~# '\%({\|\<do\)\%(\s*|[^|]*|\)\=\s*[-=]\=%>'
+    let ind = ind + sw
+  elseif line =~# '<%[-=]\=\s*\%(module\|class\|def\|if\|for\|while\|until\|else\|elsif\|case\|when\|unless\|begin\|ensure\|rescue\)\>.*%>'
+    let ind = ind + sw
+  endif
+  if line =~# '^\s*<%[=#-]\=\s*$' && cline !~# '^\s*end\>'
+    let ind = ind + sw
+  endif
+  if line !~# '^\s*<%' && line =~# '%>\s*$' && line !~# '^\s*end\>'
+	\ && synID(v:lnum, match(cline, '\S') + 1, 1) != hlID('htmlEndTag')
+    let ind = ind - sw
+  endif
+  if cline =~# '^\s*[-=]\=%>\s*$'
+    let ind = ind - sw
+  endif
+  return ind
+endfunction
+
+let &cpo = s:cpo_sav
+unlet! s:cpo_sav
+
+" vim:set sw=2 sts=2 ts=8 noet: