[native_doc_dartifier] Fix format issue + Adding more test cases (#2431)

Fix #2415.

Author: marshelino-maged

pkgs/native_doc_dartifier/lib/src/prompts.dart

@@ -76,9 +76,7 @@ JNIgen handles various syntactic and semantic differences between Java/Kotlin an
         * Pass each interface method as a named closure argument within the `\$InterfaceName` factory constructor.
         * Example: `InterfaceName.implement(\$InterfaceName(method1: (param1) { /* ... */ }))`
     * **Reusable Implementations:**
-        * If the Java/Kotlin code defines a class that `implements` an interface, translate it to a Dart `final class` that `with` (mixes in) the corresponding `\$`-prefixed interface (e.g., `final class MyPrinter with \$Runnable`).
-        * The Dart class should override the interface methods as required.
-        * Instantiate and pass this class to the `implement` factory: `InterfaceName.implement(MyClassImplementingInterface(...))`
+        * If the Java/Kotlin code defines a class that `implements` an interface, To translate it to Dart make this class to be 'final class with' \$InterfaceName, as JNIgen make a mixin class \$InterfaceName that handles this, Don't make it to implements InterfaceName only use the mixin class.
     * **Asynchronous Listener Methods:**
         * For `void`-returning methods in implemented interfaces that should be non-blocking (listeners), explicitly set the `<methodName>\$async` parameter to `true` when using the inline implementation (e.g., `run\$async: true`).
         * If using a reusable class (mixin), override the `<methodName>\$async` getter to return `true` (e.g., `bool get run\$async => true;`).
@@ -108,14 +106,20 @@ $_schema
 
   @override
   String getParsedResponse(String response) {
+    response = response.replaceAll(r'\$', r'$').replaceAll('\\\'', '\'');
     print('Response: $response');
-    final json = jsonDecode(response) as Map<String, dynamic>;
-    if (!json.containsKey('dartCode')) {
+    try {
+      final json = jsonDecode(response) as Map<String, dynamic>;
+      if (!json.containsKey('dartCode')) {
+        return '';
+      }
+      final dartCode = json['dartCode'].toString();
+      print('Dart Code: $dartCode');
+      return dartCode;
+    } catch (e) {
+      print('Error decoding JSON: $e');
       return '';
     }
-    final dartCode = json['dartCode'].toString();
-    print('Dart Code: $dartCode');
-    return dartCode;
   }
 }
 
@@ -156,17 +160,23 @@ Output the response in JSON format:
 
   @override
   FixResponse getParsedResponse(String response) {
+    response = response.replaceAll(r'\$', r'$').replaceAll('\\\'', '\'');
     print('Response: $response');
-    final json = jsonDecode(response) as Map<String, dynamic>;
-    var mainDartCode = '';
-    var tempDartCode = '';
-    if (json.containsKey('mainDartCode')) {
-      mainDartCode = json['mainDartCode'].toString();
+    try {
+      final json = jsonDecode(response) as Map<String, dynamic>;
+      var mainDartCode = '';
+      var tempDartCode = '';
+      if (json.containsKey('mainDartCode')) {
+        mainDartCode = json['mainDartCode'].toString();
+      }
+      if (json.containsKey('helperDartCode')) {
+        tempDartCode = json['helperDartCode'].toString();
+      }
+      return FixResponse(mainCode: mainDartCode, helperCode: tempDartCode);
+    } catch (e) {
+      print('Error decoding JSON: $e');
+      return FixResponse(mainCode: '', helperCode: '');
     }
-    if (json.containsKey('helperDartCode')) {
-      tempDartCode = json['helperDartCode'].toString();
-    }
-    return FixResponse(mainCode: mainDartCode, helperCode: tempDartCode);
   }
 }