113 lines
2.1 KiB
C++
113 lines
2.1 KiB
C++
#include "CFileInStream.h"
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CFileInStream::CFileInStream()
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: mpFStream(nullptr)
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{
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}
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CFileInStream::CFileInStream(const std::string& rkFile)
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: mpFStream(nullptr)
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{
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Open(rkFile, IOUtil::eBigEndian);
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}
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CFileInStream::CFileInStream(const std::string& rkFile, IOUtil::EEndianness FileEndianness)
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: mpFStream(nullptr)
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{
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Open(rkFile, FileEndianness);
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}
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CFileInStream::CFileInStream(const CFileInStream& rkSrc)
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: mpFStream(nullptr)
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{
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Open(rkSrc.mName, rkSrc.mDataEndianness);
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if (rkSrc.IsValid())
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Seek(rkSrc.Tell(), SEEK_SET);
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}
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CFileInStream::~CFileInStream()
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{
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if (IsValid())
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Close();
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}
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void CFileInStream::Open(const std::string& rkFile, IOUtil::EEndianness FileEndianness)
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{
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if (IsValid())
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Close();
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fopen_s(&mpFStream, rkFile.c_str(), "rb");
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mName = rkFile;
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mDataEndianness = FileEndianness;
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if (IsValid())
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{
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Seek(0x0, SEEK_END);
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mFileSize = Tell();
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Seek(0x0, SEEK_SET);
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}
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else
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mFileSize = 0;
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size_t EndPath = rkFile.find_last_of("\\/");
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SetSourceString(rkFile.substr(EndPath + 1, rkFile.length() - EndPath));
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}
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void CFileInStream::Close()
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{
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if (IsValid())
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fclose(mpFStream);
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mpFStream = nullptr;
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}
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void CFileInStream::ReadBytes(void *pDst, unsigned long Count)
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{
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if (!IsValid()) return;
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fread(pDst, 1, Count, mpFStream);
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}
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bool CFileInStream::Seek(long Offset, long Origin)
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{
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if (!IsValid()) return false;
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return (fseek(mpFStream, Offset, Origin) != 0);
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}
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bool CFileInStream::Seek64(long long Offset, long Origin)
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{
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if (!IsValid()) return false;
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return (_fseeki64(mpFStream, Offset, Origin) != 0);
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}
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long CFileInStream::Tell() const
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{
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if (!IsValid()) return 0;
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return ftell(mpFStream);
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}
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long long CFileInStream::Tell64() const
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{
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if (!IsValid()) return 0;
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return _ftelli64(mpFStream);
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}
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bool CFileInStream::EoF() const
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{
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return (Tell() >= mFileSize);
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}
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bool CFileInStream::IsValid() const
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{
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return (mpFStream != 0);
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}
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long CFileInStream::Size() const
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{
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return mFileSize;
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}
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std::string CFileInStream::FileName() const
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{
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return mName;
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}
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