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annotate libs/assimp/CInterfaceIOWrapper.h @ 0:b2f14e535253

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author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
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nuclear@0 1 /*
nuclear@0 2 ---------------------------------------------------------------------------
nuclear@0 3 Open Asset Import Library (assimp)
nuclear@0 4 ---------------------------------------------------------------------------
nuclear@0 5
nuclear@0 6 Copyright (c) 2006-2012, assimp team
nuclear@0 7
nuclear@0 8 All rights reserved.
nuclear@0 9
nuclear@0 10 Redistribution and use of this software in source and binary forms,
nuclear@0 11 with or without modification, are permitted provided that the following
nuclear@0 12 conditions are met:
nuclear@0 13
nuclear@0 14 * Redistributions of source code must retain the above
nuclear@0 15 copyright notice, this list of conditions and the
nuclear@0 16 following disclaimer.
nuclear@0 17
nuclear@0 18 * Redistributions in binary form must reproduce the above
nuclear@0 19 copyright notice, this list of conditions and the
nuclear@0 20 following disclaimer in the documentation and/or other
nuclear@0 21 materials provided with the distribution.
nuclear@0 22
nuclear@0 23 * Neither the name of the assimp team, nor the names of its
nuclear@0 24 contributors may be used to endorse or promote products
nuclear@0 25 derived from this software without specific prior
nuclear@0 26 written permission of the assimp team.
nuclear@0 27
nuclear@0 28 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
nuclear@0 29 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
nuclear@0 30 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0 31 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
nuclear@0 32 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0 33 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
nuclear@0 34 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0 35 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
nuclear@0 36 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
nuclear@0 37 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
nuclear@0 38 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0 39 ---------------------------------------------------------------------------
nuclear@0 40 */
nuclear@0 41
nuclear@0 42 /** @file aiFileIO -> IOSystem wrapper*/
nuclear@0 43
nuclear@0 44 #ifndef AI_CIOSYSTEM_H_INCLUDED
nuclear@0 45 #define AI_CIOSYSTEM_H_INCLUDED
nuclear@0 46
nuclear@0 47 #include "assimp/cfileio.h"
nuclear@0 48
nuclear@0 49 namespace Assimp {
nuclear@0 50
nuclear@0 51 // ------------------------------------------------------------------------------------------------
nuclear@0 52 // Custom IOStream implementation for the C-API
nuclear@0 53 class CIOStreamWrapper : public IOStream
nuclear@0 54 {
nuclear@0 55 friend class CIOSystemWrapper;
nuclear@0 56 public:
nuclear@0 57
nuclear@0 58 CIOStreamWrapper(aiFile* pFile)
nuclear@0 59 : mFile(pFile)
nuclear@0 60 {}
nuclear@0 61
nuclear@0 62 // ...................................................................
nuclear@0 63 size_t Read(void* pvBuffer,
nuclear@0 64 size_t pSize,
nuclear@0 65 size_t pCount
nuclear@0 66 ){
nuclear@0 67 // need to typecast here as C has no void*
nuclear@0 68 return mFile->ReadProc(mFile,(char*)pvBuffer,pSize,pCount);
nuclear@0 69 }
nuclear@0 70
nuclear@0 71 // ...................................................................
nuclear@0 72 size_t Write(const void* pvBuffer,
nuclear@0 73 size_t pSize,
nuclear@0 74 size_t pCount
nuclear@0 75 ){
nuclear@0 76 // need to typecast here as C has no void*
nuclear@0 77 return mFile->WriteProc(mFile,(const char*)pvBuffer,pSize,pCount);
nuclear@0 78 }
nuclear@0 79
nuclear@0 80 // ...................................................................
nuclear@0 81 aiReturn Seek(size_t pOffset,
nuclear@0 82 aiOrigin pOrigin
nuclear@0 83 ){
nuclear@0 84 return mFile->SeekProc(mFile,pOffset,pOrigin);
nuclear@0 85 }
nuclear@0 86
nuclear@0 87 // ...................................................................
nuclear@0 88 size_t Tell(void) const {
nuclear@0 89 return mFile->TellProc(mFile);
nuclear@0 90 }
nuclear@0 91
nuclear@0 92 // ...................................................................
nuclear@0 93 size_t FileSize() const {
nuclear@0 94 return mFile->FileSizeProc(mFile);
nuclear@0 95 }
nuclear@0 96
nuclear@0 97 // ...................................................................
nuclear@0 98 void Flush () {
nuclear@0 99 return mFile->FlushProc(mFile);
nuclear@0 100 }
nuclear@0 101
nuclear@0 102 private:
nuclear@0 103 aiFile* mFile;
nuclear@0 104 };
nuclear@0 105
nuclear@0 106 // ------------------------------------------------------------------------------------------------
nuclear@0 107 // Custom IOStream implementation for the C-API
nuclear@0 108 class CIOSystemWrapper : public IOSystem
nuclear@0 109 {
nuclear@0 110 public:
nuclear@0 111 CIOSystemWrapper(aiFileIO* pFile)
nuclear@0 112 : mFileSystem(pFile)
nuclear@0 113 {}
nuclear@0 114
nuclear@0 115 // ...................................................................
nuclear@0 116 bool Exists( const char* pFile) const {
nuclear@0 117 aiFile* p = mFileSystem->OpenProc(mFileSystem,pFile,"rb");
nuclear@0 118 if (p){
nuclear@0 119 mFileSystem->CloseProc(mFileSystem,p);
nuclear@0 120 return true;
nuclear@0 121 }
nuclear@0 122 return false;
nuclear@0 123 }
nuclear@0 124
nuclear@0 125 // ...................................................................
nuclear@0 126 char getOsSeparator() const {
nuclear@0 127 #ifndef _WIN32
nuclear@0 128 return '/';
nuclear@0 129 #else
nuclear@0 130 return '\\';
nuclear@0 131 #endif
nuclear@0 132 }
nuclear@0 133
nuclear@0 134 // ...................................................................
nuclear@0 135 IOStream* Open(const char* pFile,const char* pMode = "rb") {
nuclear@0 136 aiFile* p = mFileSystem->OpenProc(mFileSystem,pFile,pMode);
nuclear@0 137 if (!p) {
nuclear@0 138 return NULL;
nuclear@0 139 }
nuclear@0 140 return new CIOStreamWrapper(p);
nuclear@0 141 }
nuclear@0 142
nuclear@0 143 // ...................................................................
nuclear@0 144 void Close( IOStream* pFile) {
nuclear@0 145 if (!pFile) {
nuclear@0 146 return;
nuclear@0 147 }
nuclear@0 148 mFileSystem->CloseProc(mFileSystem,((CIOStreamWrapper*) pFile)->mFile);
nuclear@0 149 delete pFile;
nuclear@0 150 }
nuclear@0 151 private:
nuclear@0 152 aiFileIO* mFileSystem;
nuclear@0 153 };
nuclear@0 154
nuclear@0 155 }
nuclear@0 156
nuclear@0 157 #endif
nuclear@0 158