Initiual commit: AssetImporter source moved from ZFXCE repository to its own repository. PLease do not use the ZFXCE repo any more.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@1 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/XFileParser.h

@@ -0,0 +1,119 @@
+/** @file Helper class to parse a XFile into a temporary structure */
+#ifndef AI_XFILEPARSER_H_INC
+#define AI_XFILEPARSER_H_INC
+
+#include <string>
+#include <vector>
+
+#include "../include/aiTypes.h"
+
+namespace Assimp
+{
+	namespace XFile
+	{
+		struct Node;
+		struct Mesh;
+		struct Scene;
+		struct Material;
+		struct Animation;
+		struct AnimBone;
+	}
+
+/** The XFileParser reads a XFile either in text or binary form and builds a temporary 
+ * data structure out of it. 
+ */
+class XFileParser
+{
+public:
+	/** Constructor. Creates a data structure out of the XFile given in the memory block. 
+	 * @param pBuffer Memory buffer containing the XFile
+	 */
+	XFileParser( const std::vector<char>& pBuffer);
+
+	/** Destructor. Destroys all imported data along with it */
+	~XFileParser();
+
+	/** Returns the temporary representation of the imported data */
+	const XFile::Scene* GetImportedData() const { return mScene; }
+
+protected:
+	void ParseFile();
+	void ParseDataObjectTemplate();
+	void ParseDataObjectFrame( XFile::Node *pParent);
+	void ParseDataObjectTransformationMatrix( aiMatrix4x4& pMatrix);
+	void ParseDataObjectMesh( XFile::Mesh* pMesh);
+	void ParseDataObjectSkinWeights( XFile::Mesh* pMesh);
+	void ParseDataObjectSkinMeshHeader( XFile::Mesh* pMesh);
+	void ParseDataObjectMeshNormals( XFile::Mesh* pMesh);
+	void ParseDataObjectMeshTextureCoords( XFile::Mesh* pMesh);
+	void ParseDataObjectMeshVertexColors( XFile::Mesh* pMesh);
+	void ParseDataObjectMeshMaterialList( XFile::Mesh* pMesh);
+	void ParseDataObjectMaterial( XFile::Material* pMaterial);
+	void ParseDataObjectAnimTicksPerSecond();
+	void ParseDataObjectAnimationSet();
+	void ParseDataObjectAnimation( XFile::Animation* pAnim);
+	void ParseDataObjectAnimationKey( XFile::AnimBone *pAnimBone);
+	void ParseDataObjectTextureFilename( std::string& pName);
+	void ParseUnknownDataObject();
+
+	//! places pointer to next begin of a token, and ignores comments
+	void FindNextNoneWhiteSpace();
+
+	//! returns next parseable token. Returns empty string if no token there
+	std::string GetNextToken();
+
+	//! reads header of dataobject including the opening brace.
+	//! returns false if error happened, and writes name of object
+	//! if there is one
+	void readHeadOfDataObject( std::string* poName = NULL);
+
+	//! checks for closing curly brace, throws exception if not there
+	void CheckForClosingBrace();
+
+	//! checks for one following semicolon, throws exception if not there
+	void CheckForSemicolon();
+
+	//! checks for a separator char, either a ',' or a ';'
+	void CheckForSeparator();
+
+	//! reads a x file style string
+	void GetNextTokenAsString( std::string& poString);
+
+	void ReadUntilEndOfLine();
+
+	unsigned short ReadBinWord();
+	unsigned int ReadBinDWord();
+	unsigned int ReadInt();
+	float ReadFloat();
+	aiVector2D ReadVector2();
+	aiVector3D ReadVector3();
+	aiColor3D ReadRGB();
+	aiColor4D ReadRGBA();
+
+	/** Throws an exception with a line number and the given text. */
+	void ThrowException( const std::string& pText);
+
+	/** Filters the imported hierarchy for some degenerated cases that some exporters produce.
+	 * @param pData The sub-hierarchy to filter
+	 */
+	void FilterHierarchy( XFile::Node* pNode);
+
+protected:
+	unsigned int mMajorVersion, mMinorVersion; ///< version numbers
+	bool mIsBinaryFormat; ///< true if the file is in binary, false if it's in text form
+	unsigned int mBinaryFloatSize; ///< float size, either 32 or 64 bits
+	// counter for number arrays in binary format
+	unsigned int mBinaryNumCount;
+
+	const char* P;
+	const char* End;
+
+	/// Line number when reading in text format
+	unsigned int mLineNumber;
+
+	/// Imported data
+	XFile::Scene* mScene;	
+};
+
+}
+#endif // AI_XFILEPARSER_H_INC