miniassimp

annotate src/CInterfaceIOWrapper.cpp @ 0:879c81d94345

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author John Tsiombikas <nuclear@member.fsf.org>
date Mon, 28 Jan 2019 18:19:26 +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) 2006-2018, assimp team
nuclear@0 7
nuclear@0 8
nuclear@0 9
nuclear@0 10 All rights reserved.
nuclear@0 11
nuclear@0 12 Redistribution and use of this software in source and binary forms,
nuclear@0 13 with or without modification, are permitted provided that the following
nuclear@0 14 conditions are met:
nuclear@0 15
nuclear@0 16 * Redistributions of source code must retain the above
nuclear@0 17 copyright notice, this list of conditions and the
nuclear@0 18 following disclaimer.
nuclear@0 19
nuclear@0 20 * Redistributions in binary form must reproduce the above
nuclear@0 21 copyright notice, this list of conditions and the
nuclear@0 22 following disclaimer in the documentation and/or other
nuclear@0 23 materials provided with the distribution.
nuclear@0 24
nuclear@0 25 * Neither the name of the assimp team, nor the names of its
nuclear@0 26 contributors may be used to endorse or promote products
nuclear@0 27 derived from this software without specific prior
nuclear@0 28 written permission of the assimp team.
nuclear@0 29
nuclear@0 30 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
nuclear@0 31 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
nuclear@0 32 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0 33 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
nuclear@0 34 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0 35 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
nuclear@0 36 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0 37 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
nuclear@0 38 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
nuclear@0 39 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
nuclear@0 40 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0 41 ---------------------------------------------------------------------------
nuclear@0 42 */
nuclear@0 43
nuclear@0 44 /** @file aiFileIO -> IOSystem wrapper*/
nuclear@0 45
nuclear@0 46 #include "CInterfaceIOWrapper.h"
nuclear@0 47
nuclear@0 48 namespace Assimp {
nuclear@0 49
nuclear@0 50 CIOStreamWrapper::~CIOStreamWrapper(void)
nuclear@0 51 {
nuclear@0 52 /* Various places depend on this destructor to close the file */
nuclear@0 53 if (mFile) {
nuclear@0 54 mIO->mFileSystem->CloseProc(mIO->mFileSystem, mFile);
nuclear@0 55 mFile = 0;
nuclear@0 56 }
nuclear@0 57 }
nuclear@0 58
nuclear@0 59 // ...................................................................
nuclear@0 60 size_t CIOStreamWrapper::Read(void* pvBuffer,
nuclear@0 61 size_t pSize,
nuclear@0 62 size_t pCount
nuclear@0 63 ){
nuclear@0 64 // need to typecast here as C has no void*
nuclear@0 65 return mFile->ReadProc(mFile,(char*)pvBuffer,pSize,pCount);
nuclear@0 66 }
nuclear@0 67
nuclear@0 68 // ...................................................................
nuclear@0 69 size_t CIOStreamWrapper::Write(const void* pvBuffer,
nuclear@0 70 size_t pSize,
nuclear@0 71 size_t pCount
nuclear@0 72 ){
nuclear@0 73 // need to typecast here as C has no void*
nuclear@0 74 return mFile->WriteProc(mFile,(const char*)pvBuffer,pSize,pCount);
nuclear@0 75 }
nuclear@0 76
nuclear@0 77 // ...................................................................
nuclear@0 78 aiReturn CIOStreamWrapper::Seek(size_t pOffset,
nuclear@0 79 aiOrigin pOrigin
nuclear@0 80 ){
nuclear@0 81 return mFile->SeekProc(mFile,pOffset,pOrigin);
nuclear@0 82 }
nuclear@0 83
nuclear@0 84 // ...................................................................
nuclear@0 85 size_t CIOStreamWrapper::Tell(void) const {
nuclear@0 86 return mFile->TellProc(mFile);
nuclear@0 87 }
nuclear@0 88
nuclear@0 89 // ...................................................................
nuclear@0 90 size_t CIOStreamWrapper::FileSize() const {
nuclear@0 91 return mFile->FileSizeProc(mFile);
nuclear@0 92 }
nuclear@0 93
nuclear@0 94 // ...................................................................
nuclear@0 95 void CIOStreamWrapper::Flush () {
nuclear@0 96 return mFile->FlushProc(mFile);
nuclear@0 97 }
nuclear@0 98
nuclear@0 99 // ------------------------------------------------------------------------------------------------
nuclear@0 100 // Custom IOStream implementation for the C-API
nuclear@0 101 bool CIOSystemWrapper::Exists( const char* pFile) const {
nuclear@0 102 aiFile* p = mFileSystem->OpenProc(mFileSystem,pFile,"rb");
nuclear@0 103 if (p){
nuclear@0 104 mFileSystem->CloseProc(mFileSystem,p);
nuclear@0 105 return true;
nuclear@0 106 }
nuclear@0 107 return false;
nuclear@0 108 }
nuclear@0 109
nuclear@0 110 // ...................................................................
nuclear@0 111 char CIOSystemWrapper::getOsSeparator() const {
nuclear@0 112 #ifndef _WIN32
nuclear@0 113 return '/';
nuclear@0 114 #else
nuclear@0 115 return '\\';
nuclear@0 116 #endif
nuclear@0 117 }
nuclear@0 118
nuclear@0 119 // ...................................................................
nuclear@0 120 IOStream* CIOSystemWrapper::Open(const char* pFile,const char* pMode) {
nuclear@0 121 aiFile* p = mFileSystem->OpenProc(mFileSystem,pFile,pMode);
nuclear@0 122 if (!p) {
nuclear@0 123 return NULL;
nuclear@0 124 }
nuclear@0 125 return new CIOStreamWrapper(p, this);
nuclear@0 126 }
nuclear@0 127
nuclear@0 128 // ...................................................................
nuclear@0 129 void CIOSystemWrapper::Close( IOStream* pFile) {
nuclear@0 130 if (!pFile) {
nuclear@0 131 return;
nuclear@0 132 }
nuclear@0 133 delete pFile;
nuclear@0 134 }
nuclear@0 135
nuclear@0 136 }