CLAM-Development
1.1
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00001 /* 00002 * Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG) 00003 * UNIVERSITAT POMPEU FABRA 00004 * 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00019 * 00020 */ 00021 00022 #ifndef __SDIFType__ 00023 #define __SDIFType__ 00024 00025 00026 #include <string.h> 00027 #include "DataTypes.hxx" 00028 00029 namespace SDIF 00030 { 00031 00036 class TypeId 00037 { 00038 friend class File; 00039 protected: 00041 CLAM::TByte mData[4]; 00042 public: 00046 TypeId(const char* str = "\0\0\0\0") 00047 { 00048 memcpy(mData,str,4); 00049 } 00054 bool operator == (const TypeId& cmp) { return !memcmp(mData,cmp.mData,4); } 00055 00058 const char* String(void) const 00059 { 00060 static char str[5]; 00061 memcpy(str,mData,4); 00062 str[4]='\0'; 00063 return str; 00064 } 00065 00066 static TypeId sDefault; 00067 }; 00068 00069 enum DataType 00070 { 00071 eUnknown = 0, 00072 eFloat32 = 0x4, // 32-bit big-endian IEEE 754 float, 4 bytes 00073 eFloat64 = 0x8, // 64-bit big-endian IEEE 754 float, 8 bytes 00074 eInt32 = 0x104, // 32-bit big-endian two's complement integer, 4 bytes 00075 eInt64 = 0x108, // 64-bit big-endian two's complement integer, 8 bytes 00076 eUint42 = 0x204, // 32-bit big-endian unsigned integer, 4 bytes 00077 eUTF8byte = 0x301, // Byte of UTF8-encoded text, 1 bytes 00078 eByte = 0x401 // Arbitrary byte, 1 bytes 00079 }; 00080 00081 template <class T> class GetType 00082 { 00083 public: 00084 static DataType Get(void) { return eUnknown; } 00085 }; 00086 00087 class TUTF8byte 00088 { 00089 public: 00090 char c; 00091 }; 00092 00093 template <> class GetType<CLAM::TFloat32>{public:static DataType Get(void){return eFloat32;}}; 00094 template <> class GetType<CLAM::TFloat64>{public:static DataType Get(void){return eFloat64;}}; 00095 template <> class GetType<CLAM::TInt32>{public:static DataType Get(void){return eInt32;}}; 00096 template <> class GetType<CLAM::TInt64>{public:static DataType Get(void){return eInt64;}}; 00097 template <> class GetType<TUTF8byte>{public:static DataType Get(void){return eUTF8byte;}}; 00098 template <> class GetType<CLAM::TByte>{public:static DataType Get(void){return eByte;}}; 00099 00100 } 00101 #endif 00102