First work on EntityFileWriter for saving levels

include/Engine/Core/EntityFileParser.h

@@ -1,3 +1,6 @@
+#ifndef EntityFileParser_h__
+#define EntityFileParser_h__
+
 #include "EntityFile.h"
 #include "World.h"
 
@@ -20,4 +23,6 @@ private:
     void onStartComponent(EntityID entity, std::string component);
     void onStartComponentField(EntityID entity, std::string componentType, std::string fieldName, std::map<std::string, std::string> attributes);
     void onFieldData(EntityID entity, std::string componentType, std::string fieldName, const char* fieldData);
-};
+};
+
+#endif

include/Engine/Core/EntityFilePreprocessor.h

@@ -1,3 +1,6 @@
+#ifndef EntityFilePreprocessor_h__
+#define EntityFilePreprocessor_h__
+
 #include <xercesc/framework/psvi/XSElementDeclaration.hpp>
 #include <xercesc/framework/psvi/XSComplexTypeDefinition.hpp>
 #include <xercesc/framework/psvi/XSParticle.hpp>
@@ -28,4 +31,6 @@ private:
 	void onStartComponent(EntityID entity, std::string type);
     void parseComponentInfo();
     void parseDefaults();
-};
+};
+
+#endif

include/Engine/Core/EntityFileWriter.h

@@ -0,0 +1,38 @@
+#ifndef EntityFileWriter_h__
+#define EntityFileWriter_h__
+
+#include <boost/filesystem.hpp>
+#include <xercesc/dom/DOM.hpp>
+#include <xercesc/util/XMLString.hpp>
+#include <xercesc/util/PlatformUtils.hpp>
+#include <xercesc/framework/StdOutFormatTarget.hpp>
+
+#include "Util/XercesString.h"
+#include "EntityFile.h"
+#include "World.h"
+
+class EntityFileWriter
+{
+public:
+    EntityFileWriter(boost::filesystem::path file)
+        : m_FilePath(file)
+    {
+        using namespace xercesc;
+        m_DOMImplementation = DOMImplementationRegistry::getDOMImplementation(XS::ToXMLCh("LS"));
+        m_DOMLSSerializer = static_cast<DOMImplementationLS*>(m_DOMImplementation)->createLSSerializer();
+        m_DOMLSSerializer->getDomConfig()->setParameter(XMLUni::fgDOMWRTDiscardDefaultContent, true);
+        m_DOMLSSerializer->getDomConfig()->setParameter(XMLUni::fgDOMWRTFormatPrettyPrint, true);
+    }
+
+    void WriteWorld(World* world);
+
+private:
+    boost::filesystem::path m_FilePath;
+    xercesc::DOMImplementation* m_DOMImplementation;
+    xercesc::DOMLSSerializer* m_DOMLSSerializer;
+
+    void appendEntityChildren(xercesc::DOMElement* parentElement, const World* world, EntityID entity);
+    void appentEntityComponents(xercesc::DOMElement* parentElemetn, const World* world, EntityID entity);
+};
+
+#endif

include/Engine/Core/World.h

@@ -22,7 +22,7 @@ public:
     // Attach a component to an entity and fill it with default values
     ComponentWrapper AttachComponent(EntityID entity, std::string componentType);
     // Check if an entity has a component
-    bool HasComponent(EntityID entity, std::string componentType);
+    bool HasComponent(EntityID entity, std::string componentType) const;
     // Get a component of an entity
     ComponentWrapper GetComponent(EntityID entity, std::string componentType);
     // Delete a component off an entity