Fixed bug with complex keys (and simplified the parsing for flow maps)

src/map.cpp

@@ -122,24 +122,21 @@ namespace YAML
 				pScanner->pop();
 				break;
 			}
-
-			// now it better be a key
-			if(token.type != Token::KEY)
-				throw ParserException(token.mark, ErrorMsg::END_OF_MAP_FLOW);
-
-			pScanner->pop();
-
+			
 			std::auto_ptr <Node> pKey(new Node), pValue(new Node);
 
-			// grab key
-			pKey->Parse(pScanner, state);
-
+			// grab key (if non-null)
+			if(token.type == Token::KEY) {
+				pScanner->pop();
+				pKey->Parse(pScanner, state);
+			}
+			
 			// now grab value (optional)
 			if(!pScanner->empty() && pScanner->peek().type == Token::VALUE) {
 				pScanner->pop();
 				pValue->Parse(pScanner, state);
 			}
-
+			
 			// now eat the separator (or could be a map end, which we ignore - but if it's neither, then it's a bad node)
 			Token& nextToken = pScanner->peek();
 			if(nextToken.type == Token::FLOW_ENTRY)

src/scantoken.cpp

@@ -182,9 +182,6 @@ namespace YAML
 	// Value
 	void Scanner::ScanValue()
 	{
-		// just in case we have an empty key
-		InsertPotentialSimpleKey();
-		
 		// and check that simple key
 		bool isSimpleKey = VerifySimpleKey();
 		

yaml-reader/spectests.cpp

@@ -325,8 +325,8 @@ namespace Test {
 			parser.GetNextDocument(doc);
 
 			YAML_ASSERT(doc.size() == 2);
-			YAML_ASSERT(doc[Pair("Detroit Tigers", "Chicago Cubs")].size() == 1);
-			YAML_ASSERT(doc[Pair("Detroit Tigers", "Chicago Cubs")][0] == "2001-07-23");
+			YAML_ASSERT(doc[Pair("Detroit Tigers", "Chicago cubs")].size() == 1);
+			YAML_ASSERT(doc[Pair("Detroit Tigers", "Chicago cubs")][0] == "2001-07-23");
 			YAML_ASSERT(doc[Pair("New York Yankees", "Atlanta Braves")].size() == 3);
 			YAML_ASSERT(doc[Pair("New York Yankees", "Atlanta Braves")][0] == "2001-07-02");
 			YAML_ASSERT(doc[Pair("New York Yankees", "Atlanta Braves")][1] == "2001-08-12");