1 /* 2 Open Asset Import Library (assimp) 3 ---------------------------------------------------------------------- 4 5 Copyright (c) 2006-2012, assimp team 6 All rights reserved. 7 8 Redistribution and use of this software in source and binary forms, 9 with or without modification, are permitted provided that the 10 following conditions are met: 11 12 * Redistributions of source code must retain the above 13 copyright notice, this list of conditions and the 14 following disclaimer. 15 16 * Redistributions in binary form must reproduce the above 17 copyright notice, this list of conditions and the 18 following disclaimer in the documentation and/or other 19 materials provided with the distribution. 20 21 * Neither the name of the assimp team, nor the names of its 22 contributors may be used to endorse or promote products 23 derived from this software without specific prior 24 written permission of the assimp team. 25 26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 27 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 28 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 29 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 30 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 31 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 32 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 33 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 34 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 35 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 36 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 37 38 ---------------------------------------------------------------------- 39 */ 40 41 42 #ifndef OBJ_FILEPARSER_H_INC 43 #define OBJ_FILEPARSER_H_INC 44 45 #include <vector> 46 #include <string> 47 #include <map> 48 49 namespace Assimp 50 { 51 52 namespace ObjFile 53 { 54 struct Model; 55 struct Object; 56 struct Material; 57 struct Point3; 58 struct Point2; 59 } 60 class ObjFileImporter; 61 class IOSystem; 62 63 /// \class ObjFileParser 64 /// \brief Parser for a obj waveform file 65 class ObjFileParser 66 { 67 public: 68 static const size_t BUFFERSIZE = 4096; 69 typedef std::vector<char> DataArray; 70 typedef std::vector<char>::iterator DataArrayIt; 71 typedef std::vector<char>::const_iterator ConstDataArrayIt; 72 73 public: 74 /// \brief Constructor with data array. 75 ObjFileParser(std::vector<char> &Data,const std::string &strModelName, IOSystem* io); 76 /// \brief Destructor 77 ~ObjFileParser(); 78 /// \brief Model getter. 79 ObjFile::Model *GetModel() const; 80 81 private: 82 /// Parse the loadedfile 83 void parseFile(); 84 /// Method to copy the new delimited word in the current line. 85 void copyNextWord(char *pBuffer, size_t length); 86 /// Method to copy the new line. 87 void copyNextLine(char *pBuffer, size_t length); 88 /// Stores the following 3d vector. 89 void getVector3( std::vector<aiVector3D> &point3d_array ); 90 /// Stores the following 3d vector. 91 void getVector2(std::vector<aiVector2D> &point2d_array); 92 /// Stores the following face. 93 void getFace(aiPrimitiveType type); 94 void getMaterialDesc(); 95 /// Gets a comment. 96 void getComment(); 97 /// Gets a a material library. 98 void getMaterialLib(); 99 /// Creates a new material. 100 void getNewMaterial(); 101 /// Gets the groupname from file. 102 void getGroupName(); 103 /// Gets the group number from file. 104 void getGroupNumber(); 105 /// Returns the index of the material. Is -1 if not material was found. 106 int getMaterialIndex( const std::string &strMaterialName ); 107 /// Parse object name 108 void getObjectName(); 109 /// Creates a new object. 110 void createObject(const std::string &strObjectName); 111 /// Creates a new mesh. 112 void createMesh(); 113 /// Returns true, if a new mesh instance must be created. 114 bool needsNewMesh( const std::string &rMaterialName ); 115 /// Error report in token 116 void reportErrorTokenInFace(); 117 118 private: 119 //! Iterator to current position in buffer 120 DataArrayIt m_DataIt; 121 //! Iterator to end position of buffer 122 DataArrayIt m_DataItEnd; 123 //! Pointer to model instance 124 ObjFile::Model *m_pModel; 125 //! Current line (for debugging) 126 unsigned int m_uiLine; 127 //! Helper buffer 128 char m_buffer[BUFFERSIZE]; 129 /// Pointer to IO system instance. 130 IOSystem *m_pIO; 131 }; 132 133 } // Namespace Assimp 134 135 #endif 136