fix: 标题转义

orz12 · Dec 28, 2024 · d0a2a54 · d0a2a54
1 parent 3ddeaa9
commit d0a2a54
Showing 1 changed file with 20 additions and 2 deletions.
diff --git a/lib/utils/em.dart b/lib/utils/em.dart
@@ -12,6 +12,7 @@ class Em {
   static regTitle(String origin) {
     RegExp exp = RegExp('<[^>]*>([^<]*)</[^>]*>');
     List res = [];
+
     origin.splitMapJoin(exp, onMatch: (Match match) {
       String matchStr = match[0]!;
       Map map = {'type': 'em', 'text': regCate(matchStr)};
@@ -22,17 +23,34 @@ class Em {
         str = str
             .replaceAll('&lt;', '<')
             .replaceAll('&gt;', '>')
-            .replaceAll('&#34;', '"')
-            .replaceAll('&#39;', "'")
             .replaceAll('&quot;', '"')
             .replaceAll('&apos;', "'")
             .replaceAll('&nbsp;', " ")
             .replaceAll('&amp;', "&");
+
+        // 处理类似 &#x27; &#34; 这类的 HTML 实体字符
+        final entityRegex = RegExp(r'&#x([0-9A-Fa-f]+);|&#(\d+);');
+        str = str.replaceAllMapped(entityRegex, (match) {
+          if (match[1] != null) {
+            final hexValue = int.tryParse(match[1]!, radix: 16);
+            if (hexValue != null) {
+              return String.fromCharCode(hexValue);
+            }
+          } else if (match[2] != null) {
+            final decimalValue = int.tryParse(match[2]!, radix: 10);
+            if (decimalValue != null) {
+              return String.fromCharCode(decimalValue);
+            }
+          }
+          return match.group(0)!;
+        });
+
         Map map = {'type': 'text', 'text': str};
         res.add(map);
       }
       return str;
     });
+
     return res;
   }
 }