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dmserializers/importkeyvaluebase.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#ifndef IMPORTKEYVALUEBASE_H
+#define IMPORTKEYVALUEBASE_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "datamodel/idatamodel.h"
+
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class CUtlBuffer;
+class KeyValues;
+class CDmElement;
+
+
+//-----------------------------------------------------------------------------
+// Serialization class for Key Values
+//-----------------------------------------------------------------------------
+abstract_class CImportKeyValueBase : public IDmSerializer
+{
+public:
+	// Inherited from IDMSerializer
+	virtual bool StoresVersionInFile() const { return false; }
+	virtual bool IsBinaryFormat() const { return false; }
+	virtual bool Serialize( CUtlBuffer &buf, CDmElement *pRoot );
+	virtual bool Unserialize( CUtlBuffer &buf, const char *pEncodingName, int nEncodingVersion,
+							  const char *pSourceFormatName, int nSourceFormatVersion,
+							  DmFileId_t fileid, DmConflictResolution_t idConflictResolution, CDmElement **ppRoot );
+
+protected:
+	// Main entry point for derived classes to implement unserialization
+	virtual CDmElement* UnserializeFromKeyValues( KeyValues *pKeyValues ) = 0;
+
+	// Returns the file name associated with the unserialization
+	const char *FileName() const;
+
+	// Creates new elements
+	CDmElement* CreateDmElement( const char *pElementType, const char *pElementName, DmObjectId_t *pId );
+
+	// Recursively resolves all attributes pointing to elements
+	void RecursivelyResolveElement( CDmElement* pElement );
+
+	// Used to add typed attributes from keyvalues
+	bool AddBoolAttribute( CDmElement* pElement, KeyValues *pKeyValue, const char *pKeyName, bool *pDefault = NULL );
+	bool AddIntAttribute( CDmElement* pElement, KeyValues *pKeyValue, const char *pKeyName, int *pDefault = NULL );
+	bool AddFloatAttribute( CDmElement* pElement, KeyValues *pKeyValue, const char *pKeyName, float *pDefault = NULL );
+	bool AddStringAttribute( CDmElement* pElement, KeyValues *pKeyValue, const char *pKeyName, const char *pDefault = NULL );
+
+	// Used to add typed attributes from keyvalues
+	bool AddBoolAttributeFlags( CDmElement* pElement, KeyValues *pKeyValue, const char *pKeyName, int nFlags, bool *pDefault = NULL );
+	bool AddIntAttributeFlags( CDmElement* pElement, KeyValues *pKeyValue, const char *pKeyName, int nFlags, int *pDefault = NULL );
+	bool AddFloatAttributeFlags( CDmElement* pElement, KeyValues *pKeyValue, const char *pKeyName, int nFlags, float *pDefault = NULL );
+	bool AddStringAttributeFlags( CDmElement* pElement, KeyValues *pKeyValue, const char *pKeyName, int nFlags, const char *pDefault = NULL );
+
+	// Used to output typed attributes to keyvalues
+	void PrintBoolAttribute( CDmElement* pElement, CUtlBuffer &outBuf, const char *pKeyName );
+	void PrintIntAttribute( CDmElement* pElement, CUtlBuffer &outBuf, const char *pKeyName );
+	void PrintFloatAttribute( CDmElement* pElement, CUtlBuffer &outBuf, const char *pKeyName );
+	void PrintStringAttribute( CDmElement* pElement, CUtlBuffer &outBuf, const char *pKeyName, bool bSkipEmptryStrings = false, bool bPrintValueOnly = false );
+
+private:
+	const char *m_pFileName;
+};
+
+
+//-----------------------------------------------------------------------------
+// Returns the file name associated with the unserialization
+//-----------------------------------------------------------------------------
+inline const char *CImportKeyValueBase::FileName() const
+{
+	return m_pFileName;
+}
+
+
+#endif // IMPORTKEYVALUEBASE_H