From 30d58ee41737b103b6d7c00478f98f719a5bd7f2 Mon Sep 17 00:00:00 2001
From: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Date: Sat, 29 Oct 2016 22:57:32 +0900
Subject: [PATCH] lookup base type

---
 autoload/emmet.vim      | 33 ++++++++++++---------------------
 autoload/emmet/lang.vim | 15 +++++++++++++++
 2 files changed, 27 insertions(+), 21 deletions(-)

diff --git a/autoload/emmet.vim b/autoload/emmet.vim
index 5e01df4..aa89e4f 100644
--- a/autoload/emmet.vim
+++ b/autoload/emmet.vim
@@ -102,8 +102,7 @@ endfunction
 function! emmet#parseIntoTree(abbr, type) abort
   let abbr = a:abbr
   let type = a:type
-  let rtype = emmet#lang#exists(type) ? type : 'html'
-  return emmet#lang#{rtype}#parseIntoTree(abbr, type)
+  return emmet#lang#{emmet#lang#type(type)}#parseIntoTree(abbr, type)
 endfunction
 
 function! emmet#expandAbbrIntelligent(feedkey) abort
@@ -233,7 +232,7 @@ function! emmet#toString(...) abort
   let dollar_expr = emmet#getResource(type, 'dollar_expr', 1)
   let itemno = 0
   let str = ''
-  let rtype = emmet#lang#exists(type) ? type : 'html'
+  let rtype = emmet#lang#type(type)
   while itemno < current.multiplier
     if len(current.name)
       if current.multiplier ==# 1
@@ -508,7 +507,7 @@ endfunction
 
 function! emmet#expandAbbr(mode, abbr) range abort
   let type = emmet#getFileType()
-  let rtype = emmet#getFileType(1)
+  let rtype = emmet#lang#type(emmet#getFileType(1))
   let indent = emmet#getIndentation(type)
   let expand = ''
   let line = ''
@@ -787,48 +786,41 @@ endfunction
 
 function! emmet#moveNextPrevItem(flag) abort
   let type = emmet#getFileType()
-  let rtype = emmet#lang#exists(type) ? type : 'html'
-  return emmet#lang#{rtype}#moveNextPrevItem(a:flag)
+  return emmet#lang#{emmet#lang#type(type)}#moveNextPrevItem(a:flag)
 endfunction
 
 function! emmet#moveNextPrev(flag) abort
   let type = emmet#getFileType()
-  let rtype = emmet#lang#exists(type) ? type : 'html'
-  return emmet#lang#{rtype}#moveNextPrev(a:flag)
+  return emmet#lang#{emmet#lang#type(type)}#moveNextPrev(a:flag)
 endfunction
 
 function! emmet#imageSize() abort
   let orgpos = emmet#util#getcurpos()
   let type = emmet#getFileType()
-  let rtype = emmet#lang#exists(type) ? type : 'html'
-  call emmet#lang#{rtype}#imageSize()
+  call emmet#lang#{emmet#lang#type(type)}#imageSize()
   silent! call setpos('.', orgpos)
   return ''
 endfunction
 
 function! emmet#encodeImage() abort
   let type = emmet#getFileType()
-  let rtype = emmet#lang#exists(type) ? type : 'html'
-  return emmet#lang#{rtype}#encodeImage()
+  return emmet#lang#{emmet#lang#type(type)}#encodeImage()
 endfunction
 
 function! emmet#toggleComment() abort
   let type = emmet#getFileType()
-  let rtype = emmet#lang#exists(type) ? type : 'html'
-  call emmet#lang#{rtype}#toggleComment()
+  call emmet#lang#{emmet#lang#type(type)}#toggleComment()
   return ''
 endfunction
 
 function! emmet#balanceTag(flag) range abort
   let type = emmet#getFileType()
-  let rtype = emmet#lang#exists(type) ? type : 'html'
-  return emmet#lang#{rtype}#balanceTag(a:flag)
+  return emmet#lang#{emmet#lang#type(type)}#balanceTag(a:flag)
 endfunction
 
 function! emmet#splitJoinTag() abort
   let type = emmet#getFileType()
-  let rtype = emmet#lang#exists(type) ? type : 'html'
-  return emmet#lang#{rtype}#splitJoinTag()
+  return emmet#lang#{emmet#lang#type(type)}#splitJoinTag()
 endfunction
 
 function! emmet#mergeLines() range abort
@@ -840,8 +832,7 @@ endfunction
 
 function! emmet#removeTag() abort
   let type = emmet#getFileType()
-  let rtype = emmet#lang#exists(type) ? type : 'html'
-  call emmet#lang#{rtype}#removeTag()
+  call emmet#lang#{emmet#lang#type(type)}#removeTag()
   return ''
 endfunction
 
@@ -862,7 +853,7 @@ function! emmet#anchorizeURL(flag) abort
   let title = matchstr(content, mx)
 
   let type = emmet#getFileType()
-  let rtype = emmet#lang#exists(type) ? type : 'html'
+  let rtype = emmet#lang#type(type)
   if &filetype ==# 'markdown'
     let expand = printf('[%s](%s)', substitute(title, '[\[\]]', '\\&', 'g'), url)
   elseif a:flag ==# 0
diff --git a/autoload/emmet/lang.vim b/autoload/emmet/lang.vim
index c839fea..61a686e 100644
--- a/autoload/emmet/lang.vim
+++ b/autoload/emmet/lang.vim
@@ -9,3 +9,18 @@ function! emmet#lang#exists(type) abort
   return s:exists[a:type]
 endfunction
 
+function! emmet#lang#type(type) abort
+  let type = a:type
+  let base = type
+  let settings = emmet#getSettings()
+  while base != ''
+    if emmet#lang#exists(base)
+      return base
+    endif
+    if !has_key(settings[base], 'extends')
+      break
+    endif
+    let base = settings[base].extends
+  endwhile
+  return 'html'
+endfunction