62 lines
1.3 KiB
C++
62 lines
1.3 KiB
C++
#pragma once
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#include "libNPK.h"
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#include "libNPK_NPKFile.h"
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namespace NPK
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{
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class CFileStream : public IFileStream
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{
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public:
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virtual const char* name(void) const {
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return m_fileName.c_str();
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}
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virtual uint32_t size(void) const {
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return m_fileSize;
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}
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virtual uint32_t read(void* buffer, uint32_t size);
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virtual bool seek(uint32_t offset);
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virtual uint32_t tell(void) const {
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return m_currentOffset;
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}
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virtual uint32_t crc32(void);
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virtual bool isEOF(void) const {
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return m_currentOffset >= m_fileSize;
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}
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virtual bool writeToDiskFile(const wchar_t* diskPathFile);
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protected:
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//Pack file
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CNPKFile* m_pNPKFile;
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// windows file handle
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HANDLE m_hFileandle;
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std::string m_fileName;
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//offset of the file in the pak file
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const uint32_t m_fileOffset = 0;
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//size of the file
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const uint32_t m_fileSize = 0;
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//current read offset in the file
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uint32_t m_currentOffset = 0;
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//CRC32 checksum of the file
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uint32_t m_crc32 = 0;
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//Flag to indicate if CRC32 has been calculated
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bool m_crc32Calculated = false;
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private:
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CFileStream(CNPKFile* pNPKFile, HANDLE hFile, const FileItemBaseInfo& baseFileInfo);
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virtual ~CFileStream();
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friend IFileStream* CNPKFile::openFileStream(const char* szFileName);
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friend void CNPKFile::closeFileStream(IFileStream* fileStream);
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};
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}
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