1 files changed, 37 insertions, 0 deletions
diff --git a/autoload/scss_indent.vim b/autoload/scss_indent.vim
new file mode 100644
index 00000000..2e57ab2c
--- /dev/null
+++ b/autoload/scss_indent.vim
@@ -0,0 +1,37 @@
+" usage:
+" set indentexpr=scss_indent#GetIndent(v:lnum)
+fun! scss_indent#GetIndent(lnum)
+  " { -> increase indent
+  " } -> decrease indent
+  if a:lnum == 1
+    " start at 0 indentation
+    return 0
+  endif
+
+  " try to find last line ending with { or }
+  " ignoring // comments
+  let regex = '\([{}]\)\%(\/\/.*\)\?$'
+  let nr = search(regex, 'bnW')
+  if nr > 0
+    let last = indent(nr)
+    let m = matchlist(getline(nr), regex)
+    let m_curr = matchlist(getline(a:lnum), regex)
+    echoe string(m).string(m_curr)
+    if !empty(m_curr) && m_curr[1] == '}' && m[1] == '{'
+      " last was open, current is close, use same indent
+      return last
+    elseif !empty(m_curr) && m_curr[1] == '}' && m[1] == '}'
+      " } line and last line was }: decrease
+      return last - &sw
+    endif
+    if m[1] == '{'
+      " line after {: increase indent
+      return last + &sw
+    else
+      " line after } or { - same indent
+      return last
+    endif
+  else
+    return 0
+  endif
+endfun