allow long attribute expressions

Author: amitguptagwl

src/xmlparser/OrderedObjParser.js

@@ -656,11 +656,13 @@ function isItStopNode() {
  */
 function tagExpWithClosingIndex(xmlData, i, closingChar = ">") {
   let attrBoundary = 0;
-  const chars = [];
   const len = xmlData.length;
   const closeCode0 = closingChar.charCodeAt(0);
   const closeCode1 = closingChar.length > 1 ? closingChar.charCodeAt(1) : -1;
 
+  let result = '';
+  let segmentStart = i;
+
   for (let index = i; index < len; index++) {
     const code = xmlData.charCodeAt(index);
 
@@ -671,17 +673,18 @@ function tagExpWithClosingIndex(xmlData, i, closingChar = ">") {
     } else if (code === closeCode0) {
       if (closeCode1 !== -1) {
         if (xmlData.charCodeAt(index + 1) === closeCode1) {
-          return { data: String.fromCharCode(...chars), index };
+          result += xmlData.substring(segmentStart, index);
+          return { data: result, index };
         }
       } else {
-        return { data: String.fromCharCode(...chars), index };
+        result += xmlData.substring(segmentStart, index);
+        return { data: result, index };
       }
-    } else if (code === 9) { // \t
-      chars.push(32); // space
-      continue;
+    } else if (code === 9 && !attrBoundary) { // \t - only replace with space outside attribute values
+      // Flush accumulated segment, add space, start new segment
+      result += xmlData.substring(segmentStart, index) + ' ';
+      segmentStart = index + 1;
     }
-
-    chars.push(code);
   }
 }