text: /*
  Open Asset Import Library (assimp)
  ----------------------------------------------------------------------
  
  Copyright (c) 2006-2015, assimp team
  All rights reserved.
  
  Redistribution and use of this software in source and binary forms,
  with or without modification, are permitted provided that the
  following conditions are met:
  
  * Redistributions of source code must retain the above
    copyright notice, this list of conditions and the
    following disclaimer.
  
  * Redistributions in binary form must reproduce the above
    copyright notice, this list of conditions and the
    following disclaimer in the documentation and/or other
    materials provided with the distribution.
  
  * Neither the name of the assimp team, nor the names of its
    contributors may be used to endorse or promote products
    derived from this software without specific prior
    written permission of the assimp team.
  
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  ----------------------------------------------------------------------
  */
  #ifndef OBJ_FILEPARSER_H_INC
  #define OBJ_FILEPARSER_H_INC
  
  #include <vector>
  #include <string>
  #include <map>
  #include <assimp/vector2.h>
  #include <assimp/vector3.h>
  #include <assimp/mesh.h>
  
  namespace Assimp {
  
  namespace ObjFile {
      struct Model;
      struct Object;
      struct Material;
      struct Point3;
      struct Point2;
  }
  
  class ObjFileImporter;
  class IOSystem;
  
  /// \class  ObjFileParser
  /// \brief  Parser for a obj waveform file
  class ObjFileParser {
  public:
      static const size_t Buffersize = 4096;
      typedef std::vector<char> DataArray;
      typedef std::vector<char>::iterator DataArrayIt;
      typedef std::vector<char>::const_iterator ConstDataArrayIt;
  
  public:
      /// \brief  Constructor with data array.
      ObjFileParser(std::vector<char> &Data,const std::string &strModelName, IOSystem* io);
      /// \brief  Destructor
      ~ObjFileParser();
      /// \brief  Model getter.
      ObjFile::Model *GetModel() const;
  
  private:
      /// Parse the loaded file
      void parseFile();
      /// Method to copy the new delimited word in the current line.
      void copyNextWord(char *pBuffer, size_t length);
      /// Method to copy the new line.
      void copyNextLine(char *pBuffer, size_t length);
      /// Stores the vector
      void getVector( std::vector<aiVector3D> &point3d_array );
      /// Stores the following 3d vector.
      void getVector3( std::vector<aiVector3D> &point3d_array );
      /// Stores the following 3d vector.
      void getVector2(std::vector<aiVector2D> &point2d_array);
      /// Stores the following face.
      void getFace(aiPrimitiveType type);
      /// Reads the material description.
      void getMaterialDesc();
      /// Gets a comment.
      void getComment();
      /// Gets a a material library.
      void getMaterialLib();
      /// Creates a new material.
      void getNewMaterial();
      /// Gets the group name from file.
      void getGroupName();
      /// Gets the group number from file.
      void getGroupNumber();
      /// Gets the group number and resolution from file.
      void getGroupNumberAndResolution();
      /// Returns the index of the material. Is -1 if not material was found.
      int getMaterialIndex( const std::string &strMaterialName );
      /// Parse object name
      void getObjectName();
      /// Creates a new object.
      void createObject( const std::string &strObjectName );
      /// Creates a new mesh.
      void createMesh( const std::string &meshName );
      /// Returns true, if a new mesh instance must be created.
      bool needsNewMesh( const std::string &rMaterialName );
      /// Error report in token
      void reportErrorTokenInFace();
  
  private:
      // Copy and assignment constructor should be private
      // because the class contains pointer to allocated memory
      ObjFileParser(const ObjFileParser& rhs);
      ObjFileParser& operator=(const ObjFileParser& rhs);
  
      /// Default material name
      static const std::string DEFAULT_MATERIAL;
      //! Iterator to current position in buffer
      DataArrayIt m_DataIt;
      //! Iterator to end position of buffer
      DataArrayIt m_DataItEnd;
      //! Pointer to model instance
      ObjFile::Model *m_pModel;
      //! Current line (for debugging)
      unsigned int m_uiLine;
      //! Helper buffer
      char m_buffer[Buffersize];
      /// Pointer to IO system instance.
      IOSystem *m_pIO;
      /// Path to the current model
  };
  
  }   // Namespace Assimp
  
  #endif
  