93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
/** @file Default File I/O implementation for #Importer */
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#include "DefaultIOStream.h"
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#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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// ---------------------------------------------------------------------------
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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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// ---------------------------------------------------------------------------
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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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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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// ---------------------------------------------------------------------------
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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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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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// ---------------------------------------------------------------------------
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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, 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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// ---------------------------------------------------------------------------
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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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// ---------------------------------------------------------------------------
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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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