closedKeyCallback on XMLParser (as asked by Kenny)

svn-id: r32909

2 files changed, 19 insertions, 0 deletions

diff --git a/common/xmlparser.cpp b/common/xmlparser.cpp
index d5c8535932..d0c89a9d3e 100644
--- a/common/xmlparser.cpp
+++ b/common/xmlparser.cpp
@@ -194,6 +194,11 @@ bool XMLParser::parse() {
 
 			case kParserNeedPropertyName:
 				if (activeClosure) {
+					if (!closedKeyCallback(_activeKey.top()->name)) {
+						parserError("Missing data when closing key '%s'.", _activeKey.top()->name.c_str()); 
+						break;
+					}
+
 					activeClosure = false;
 					delete _activeKey.pop();
 
diff --git a/common/xmlparser.h b/common/xmlparser.h
index 3738b69b7b..4c77696482 100644
--- a/common/xmlparser.h
+++ b/common/xmlparser.h
@@ -204,6 +204,20 @@ protected:
 	}
 
 	/**
+	 * The closed key callback function must be overloaded by inheriting classes to
+	 * implement parser-specific functions.
+	 *
+	 * The closedKeyCallback is issued once a key has been finished parsing, to let
+	 * the parser verify that all the required subkeys, etc, were included.
+	 *
+	 * Returns true if the key was properly closed, false otherwise.
+	 * By default, all keys are properly closed.
+	 */
+	virtual bool closedKeyCallback(Common::String keyName) {
+		return true;
+	}
+
+	/**
 	 * Parses the value of a given key. There's no reason to overload this.
 	 */
 	virtual bool parseKeyValue(Common::String keyName);