feat: Support mtable, mtd, mtr for draw matrix. (#1164)

Sub6Resources · Oct 20, 2022 · e99e2cc · e99e2cc
1 parent db99a2b
commit e99e2cc
Showing 1 changed file with 14 additions and 1 deletion.
diff --git a/packages/flutter_html_math/lib/flutter_html_math.dart b/packages/flutter_html_math/lib/flutter_html_math.dart
@@ -39,7 +39,9 @@ CustomRenderMatcher mathMatcher() => (context) {
 String _parseMathRecursive(dom.Node node, String parsed) {
   if (node is dom.Element) {
     List<dom.Element> nodeList = node.nodes.whereType<dom.Element>().toList();
-    if (node.localName == "math" || node.localName == "mrow") {
+    if (node.localName == "math" ||
+        node.localName == "mrow" ||
+        node.localName == "mtr") {
       for (var element in nodeList) {
         parsed = _parseMathRecursive(element, parsed);
       }
@@ -98,6 +100,17 @@ String _parseMathRecursive(dom.Node node, String parsed) {
         parsed = parsed + node.text.trim();
       }
     }
+    if (node.localName == 'mtable') {
+      String inner =
+          nodeList.map((e) => _parseMathRecursive(e, '')).join(' \\\\');
+      parsed = '$parsed\\begin{matrix}$inner\\end{matrix}';
+    }
+    if (node.localName == "mtd") {
+      for (var element in nodeList) {
+        parsed = _parseMathRecursive(element, parsed);
+      }
+      parsed = '$parsed & ';
+    }
   }
   return parsed;
 }