123 lines
4.1 KiB
C++
123 lines
4.1 KiB
C++
/*
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---------------------------------------------------------------------------
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Open Asset Import Library (ASSIMP)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2008, ASSIMP Development Team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the ASSIMP team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the ASSIMP Development Team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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/** @file Default File I/O implementation for #Importer */
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#include "DefaultIOStream.h"
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#include "../include/aiAssert.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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using namespace Assimp;
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// ---------------------------------------------------------------------------
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DefaultIOStream::~DefaultIOStream()
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{
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if (this->mFile)
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{
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::fclose(this->mFile);
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}
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}
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// ---------------------------------------------------------------------------
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size_t DefaultIOStream::Read(void* pvBuffer,
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size_t pSize,
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size_t pCount)
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{
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ai_assert(NULL != pvBuffer && 0 != pSize && 0 != pCount);
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if (!this->mFile)
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return 0;
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return ::fread(pvBuffer, pSize, pCount, this->mFile);
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}
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// ---------------------------------------------------------------------------
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size_t DefaultIOStream::Write(const void* pvBuffer,
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size_t pSize,
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size_t pCount)
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{
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ai_assert(NULL != pvBuffer && 0 != pSize && 0 != pCount);
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if (!this->mFile)return 0;
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::fseek(mFile, 0, SEEK_SET);
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return ::fwrite(pvBuffer, pSize, pCount, this->mFile);
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}
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// ---------------------------------------------------------------------------
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aiReturn DefaultIOStream::Seek(size_t pOffset,
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aiOrigin pOrigin)
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{
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if (!this->mFile)return AI_FAILURE;
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return (0 == ::fseek(this->mFile, (long)pOffset,
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(aiOrigin_CUR == pOrigin ? SEEK_CUR :
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(aiOrigin_END == pOrigin ? SEEK_END : SEEK_SET)))
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? AI_SUCCESS : AI_FAILURE);
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}
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// ---------------------------------------------------------------------------
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size_t DefaultIOStream::Tell() const
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{
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if (!this->mFile)return 0;
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return ::ftell(this->mFile);
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}
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// ---------------------------------------------------------------------------
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size_t DefaultIOStream::FileSize() const
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{
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ai_assert (!mFilename.empty());
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if (NULL == mFile)
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return 0;
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#if defined _WIN32 && !defined __GNUC__
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struct __stat64 fileStat;
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int err = _stat64( mFilename.c_str(), &fileStat );
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if (0 != err)
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return 0;
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return (size_t) (fileStat.st_size);
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#else
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struct stat fileStat;
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int err = stat(mFilename.c_str(), &fileStat );
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if (0 != err)
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return 0;
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return (size_t) (fileStat.st_size);
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#endif
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}
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// ---------------------------------------------------------------------------
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