Make XML mode autoindent preserve space in CDATA and PRE blocks

Author: marijnh

lib/codemirror.js

@@ -1149,7 +1149,7 @@ var CodeMirror = (function() {
         if (n) indentation = getLine(n-1).indentation(options.tabSize);
         else indentation = 0;
       }
-      else if (how == "smart") indentation = mode.indent(state, line.text.slice(curSpaceString.length));
+      else if (how == "smart") indentation = mode.indent(state, line.text.slice(curSpaceString.length), line.text);
       else if (how == "add") indentation = curSpace + options.indentUnit;
       else if (how == "subtract") indentation = curSpace - options.indentUnit;
       indentation = Math.max(0, indentation);

mode/xml/xml.js

@@ -226,9 +226,10 @@ CodeMirror.defineMode("xml", function(config, parserConfig) {
       return setStyle || style;
     },
 
-    indent: function(state, textAfter) {
+    indent: function(state, textAfter, fullLine) {
       var context = state.context;
-      if (context && context.noIndent) return 0;
+      if (context && context.noIndent)
+        return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
       if (alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0;
       if (context && /^<\//.test(textAfter))
         context = context.prev;