Visualization Library v1.0.3A lightweight C++ OpenGL middleware for 2D/3D graphics |
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00001 /**************************************************************************************/ 00002 /* */ 00003 /* Visualization Library */ 00004 /* http://visualizationlibrary.org */ 00005 /* */ 00006 /* Copyright (c) 2005-2010, Michele Bosi */ 00007 /* All rights reserved. */ 00008 /* */ 00009 /* Redistribution and use in source and binary forms, with or without modification, */ 00010 /* are permitted provided that the following conditions are met: */ 00011 /* */ 00012 /* - Redistributions of source code must retain the above copyright notice, this */ 00013 /* list of conditions and the following disclaimer. */ 00014 /* */ 00015 /* - Redistributions in binary form must reproduce the above copyright notice, this */ 00016 /* list of conditions and the following disclaimer in the documentation and/or */ 00017 /* other materials provided with the distribution. */ 00018 /* */ 00019 /* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */ 00020 /* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED */ 00021 /* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */ 00022 /* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR */ 00023 /* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */ 00024 /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */ 00025 /* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */ 00026 /* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */ 00027 /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */ 00028 /* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ 00029 /* */ 00030 /**************************************************************************************/ 00031 00032 #ifndef DiskFile_INCLUDE_ONCE 00033 #define DiskFile_INCLUDE_ONCE 00034 00035 #include <vlCore/VirtualFile.hpp> 00036 #include <vlCore/DiskDirectory.hpp> 00037 00038 #if defined(VL_PLATFORM_LINUX) || defined(VL_PLATFORM_MACOSX) 00039 #include <sys/types.h> 00040 #include <sys/stat.h> 00041 #include <unistd.h> 00042 #endif 00043 00044 namespace vl 00045 { 00046 class DiskDirectory; 00047 //--------------------------------------------------------------------------- 00048 // DiskFile 00049 //--------------------------------------------------------------------------- 00063 class VLCORE_EXPORT DiskFile: public VirtualFile 00064 { 00065 VL_INSTRUMENT_CLASS(vl::DiskFile, VirtualFile) 00066 00067 friend class DiskDirectory; 00068 protected: 00069 DiskFile(const DiskFile& other): VirtualFile(other) {} 00070 00071 public: 00072 DiskFile(const String& path = String()); 00073 00074 ~DiskFile(); 00075 00077 bool open(const String& path, EOpenMode mode); 00078 00079 virtual bool open(EOpenMode mode); 00080 00081 virtual bool isOpen() const; 00082 00083 virtual void close(); 00084 00086 virtual long long size() const; 00087 00088 virtual bool exists() const; 00089 00090 DiskFile& operator=(const DiskFile& other) { close(); super::operator=(other); return *this; } 00091 00092 virtual ref<VirtualFile> clone() const; 00093 00094 protected: 00095 virtual long long read_Implementation(void* buffer, long long byte_count); 00096 00097 virtual long long write_Implementation(const void* buffer, long long byte_count); 00098 00099 virtual long long position_Implementation() const; 00100 00101 virtual bool seekSet_Implementation(long long offset); 00102 00103 ref<DiskDirectory> parentDir() const; 00104 00105 protected: 00106 #if defined(VL_PLATFORM_WINDOWS) 00107 HANDLE mHandle; 00108 #else 00109 FILE* mHandle; 00110 #endif 00111 00112 protected: 00113 }; 00114 00115 } 00116 00117 #endif