Added some parser exceptions.

exceptions.h

@@ -6,6 +6,7 @@ namespace YAML
 {
 	class Exception: public std::exception {};
 	class ScannerException: public Exception {};
+	class ParserException: public Exception {};
 	class RepresentationException: public Exception {};
 
 	// scanner exceptions
@@ -40,6 +41,12 @@ namespace YAML
 		unsigned value;
 	};
 
+	// parser exceptions
+	class MapEndNotFound: public ParserException {};
+	class SeqEndNotFound: public ParserException {};
+	class BadYAMLDirective: public ParserException {};
+	class BadTAGDirective: public ParserException {};
+
 	// representation exceptions
 	class InvalidScalar: public RepresentationException {};
 	class BadDereference: public RepresentationException {};

iterator.cpp

@@ -29,6 +29,18 @@ namespace YAML
 		return *this;
 	}
 
+	Node::Iterator Node::Iterator::operator ++ (int)
+	{
+		Iterator temp = *this;
+
+		if(type == IT_SEQ)
+			++seqIter;
+		else if(type == IT_MAP)
+			++mapIter;
+
+		return temp;
+	}
+
 	const Node& Node::Iterator::operator * ()
 	{
 		if(type == IT_SEQ)

main.cpp

 #include "parser.h"
 #include "node.h"
-#include "exceptions.h"
 #include <fstream>
 #include <iostream>
 
+struct Vec3 {
+	float x, y, z;
+
+	friend std::ostream& operator << (std::ostream& out, const Vec3& v) {
+		out << v.x << " " << v.y << " " << v.z;
+		return out;
+	}
+};
+
+void operator >> (const YAML::Node& node, Vec3& v)
+{
+	YAML::Node::Iterator it = node.begin();
+	*it >> v.x;
+	++it;
+	*it >> v.y;
+	++it;
+	*it >> v.z;
+}
+
+struct Room {
+	std::string name;
+	Vec3 pos, size;
+	float height;
+
+	friend std::ostream& operator << (std::ostream& out, const Room& room) {
+		out << "Name: " << room.name << std::endl;
+		out << "Pos: " << room.pos << std::endl;
+		out << "Size: " << room.size << std::endl;
+		out << "Height: " << room.height << std::endl;
+		return out;
+	}
+};
+
+void operator >> (const YAML::Node& node, Room& room)
+{
+	node["name"] >> room.name;
+	node["pos"] >> room.pos;
+	node["size"] >> room.size;
+	node["height"] >> room.height;
+}
+
+struct Level {
+	std::vector <Room> rooms;
+
+	friend std::ostream& operator << (std::ostream& out, const Level& level) {
+		for(unsigned i=0;i<level.rooms.size();i++) {
+			out << level.rooms[i];
+			out << "---------------------------------------\n";
+		}
+		return out;
+	}
+};
+
+void operator >> (const YAML::Node& node, Level& level)
+{
+	const YAML::Node& rooms = node["rooms"];
+	for(YAML::Node::Iterator it=rooms.begin();it!=rooms.end();++it) {
+		Room room;
+		*it >> room;
+		level.rooms.push_back(room);
+	}
+}
+
 int main()
 {
 	std::ifstream fin("test.yaml");
@@ -17,16 +79,10 @@ int main()
 		parser.GetNextDocument(doc);
 
 		const YAML::Node& root = doc.GetRoot();
-		for(YAML::Node::Iterator it=root.begin();it!=root.end();++it) {
-			std::cout << "Sequence:";
-			for(YAML::Node::Iterator jt=it->begin();jt!=it->end();++jt) {
-				int value;
-				*jt >> value;
-				std::cout << " " << value;
-			}
-			std::cout << std::endl;
-		}
-	} catch(YAML::Exception& e) {
+		Level level;
+		root >> level;
+		std::cout << level;
+	} catch(YAML::Exception&) {
 		std::cout << "Error parsing the yaml!\n";
 	}
 

map.cpp

@@ -2,6 +2,7 @@
 #include "node.h"
 #include "scanner.h"
 #include "token.h"
+#include "exceptions.h"
 
 namespace YAML
 {
@@ -56,10 +57,10 @@ namespace YAML
 		while(1) {
 			Token *pToken = pScanner->PeekNextToken();
 			if(!pToken)
-				break;  // TODO: throw?
+				throw MapEndNotFound();
 
 			if(pToken->type != TT_KEY && pToken->type != TT_BLOCK_END)
-				break;  // TODO: throw?
+				throw MapEndNotFound();
 
 			pScanner->PopNextToken();
 			if(pToken->type == TT_BLOCK_END)
@@ -88,7 +89,7 @@ namespace YAML
 		while(1) {
 			Token *pToken = pScanner->PeekNextToken();
 			if(!pToken)
-				break;  // TODO: throw?
+				throw MapEndNotFound();
 
 			// first check for end
 			if(pToken->type == TT_FLOW_MAP_END) {
@@ -98,7 +99,7 @@ namespace YAML
 
 			// now it better be a key
 			if(pToken->type != TT_KEY)
-				break;  // TODO: throw?
+				throw MapEndNotFound();
 
 			pScanner->PopNextToken();
 
@@ -120,7 +121,7 @@ namespace YAML
 			if(pToken->type == TT_FLOW_ENTRY)
 				pScanner->EatNextToken();
 			else if(pToken->type != TT_FLOW_MAP_END)
-				break;  // TODO: throw?
+				throw MapEndNotFound();
 		}
 	}
 

node.h

@@ -26,6 +26,7 @@ namespace YAML
 			friend bool operator == (const Iterator& it, const Iterator& jt);
 			friend bool operator != (const Iterator& it, const Iterator& jt);
 			Iterator& operator ++ ();
+			Iterator operator ++ (int);
 			const Node& operator * ();
 			const Node *operator -> ();
 			const Node& first();
@@ -61,7 +62,7 @@ namespace YAML
 					it.first() >> t;
 					if(key == t)
 						return it.second();
-				} catch(InvalidScalar&) {
+				} catch(RepresentationException&) {
 				}
 			}
 

parser.cpp

 #include "parser.h"
 #include "scanner.h"
 #include "token.h"
+#include "exceptions.h"
 #include <sstream>
 
 namespace YAML
@@ -62,23 +63,23 @@ namespace YAML
 	// . Should be of the form 'major.minor' (like a version number)
 	void Parser::HandleYamlDirective(const std::vector <std::string>& params)
 	{
-		if(params.empty())
-			return;  // TODO: throw? (or throw on params.size() > 1?)
+		if(params.size() != 1)
+			throw BadYAMLDirective();
 
 		std::stringstream str(params[0]);
 		str >> m_state.version.major;
 		str.get();
 		str >> m_state.version.minor;
 		if(!str)
-			return;  // TODO: throw? (or throw if there are any more characters in the stream?)
+			throw BadYAMLDirective();  // TODO: or throw if there are any more characters in the stream?
 
-		// TODO: throw on major > 1? warning on major == 1, minor > 1?
+		// TODO: throw on major > 1? warning on major == 1, minor > 2?
 	}
 
 	void Parser::HandleTagDirective(const std::vector <std::string>& params)
 	{
 		if(params.size() != 2)
-			return;  // TODO: throw?
+			throw BadTAGDirective();
 
 		std::string handle = params[0], prefix = params[1];
 		m_state.tags[handle] = prefix;

parserstate.cpp

@@ -6,7 +6,7 @@ namespace YAML
 	{
 		// version
 		version.major = 1;
-		version.minor = 1;
+		version.minor = 2;
 
 		// and tags
 		tags.clear();

sequence.cpp

@@ -56,10 +56,10 @@ namespace YAML
 		while(1) {
 			Token *pToken = pScanner->PeekNextToken();
 			if(!pToken)
-				break;  // TODO: throw?
+				throw SeqEndNotFound();
 
 			if(pToken->type != TT_BLOCK_ENTRY && pToken->type != TT_BLOCK_END)
-				break;  // TODO: throw?
+				throw SeqEndNotFound();
 
 			pScanner->PopNextToken();
 			if(pToken->type == TT_BLOCK_END)
@@ -99,7 +99,7 @@ namespace YAML
 		while(1) {
 			Token *pToken = pScanner->PeekNextToken();
 			if(!pToken)
-				break;  // TODO: throw?
+				throw SeqEndNotFound();
 
 			// first check for end
 			if(pToken->type == TT_FLOW_SEQ_END) {
@@ -117,7 +117,7 @@ namespace YAML
 			if(pToken->type == TT_FLOW_ENTRY)
 				pScanner->EatNextToken();
 			else if(pToken->type != TT_FLOW_SEQ_END)
-				break;  // TODO: throw?
+				throw SeqEndNotFound();
 		}
 	}
 

test.yaml

 ---
-- [1, 2, 3]
-- [2, 4, 6]
-...
\ No newline at end of file
+model:
+    file: data/models/compound.model
+    textures: data/materials/compound
+rooms:
+    - name: "Room #1"
+      pos: [0, 0, 0]
+      size: [1000, 1000, 500]
+      height: 500
+      stairtype: none
+      display: []
+      pathfinding:
+          tilesize: 50
+          size: [24, 24]
+          map: |
+              -----------------------
+              -+++++++++++++++++++++-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+---------------------
+              -+---------------------
+              -+---------------------
+              -+---------------------
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+++++++++++++++++++++-
+              -----------------------
+    - name: Doorway
+      pos: [1000, 400, 0]
+      size: [50, 200, 500]
+      height: 500
+      stairtype: none
+      display: []
+      pathfinding:
+          tilesize: 50
+          size: [5, 9]
+          map: |
+              -----
+              -+++-
+              -----
+              -----
+              -----
+              -----
+              -----
+              -+++-
+              -----
+    - name: "Room #2"
+      pos: [1050, 0, 0]
+      size: [1000, 1000, 500]
+      height: 500
+      stairtype: none
+      display: []
+      pathfinding:
+          tilesize: 50
+          size: [24, 24]
+          map: |
+              -----------------------
+              -+++++++++++++++++++++-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              ---------------------+-
+              ---------------------+-
+              ---------------------+-
+              ---------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+-------------------+-
+              -+++++++++++++++++++++-
+              -----------------------
+exits:
+    - room1: "Room #1"
+      room2: "Room #2"
+      dir: e
+      pos: [400, 600]