mirror of https://github.com/libAthena/athena.git
51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
#ifndef FILESTREAM_HPP
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#define FILESTREAM_HPP
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#include <string>
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#include <memory>
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#include <stdio.h>
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#include "Athena/IStreamReader.hpp"
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namespace Athena
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{
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namespace io
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{
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class FileReader : public IStreamReader
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{
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public:
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FileReader(const std::string& filename, atInt32 cacheSize = (32 * 1024));
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virtual ~FileReader();
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inline const std::string& filename() const
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{return m_filename;}
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void open();
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void close();
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inline bool isOpen() const
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{return m_fileHandle != NULL;}
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bool save();
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void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
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atUint64 position() const;
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atUint64 length() const;
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atUint64 readUBytesToBuf(void* buf, atUint64 len);
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void setCacheSize(const atInt32 blockSize);
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protected:
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std::string m_filename;
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FILE* m_fileHandle;
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std::unique_ptr<atUint8[]> m_cacheData;
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atInt32 m_blockSize;
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atInt32 m_curBlock;
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atUint64 m_offset;
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};
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} // io
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} // Athena
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#ifndef FILEREADER_BASE
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#define FILEREADER_BASE() \
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private: \
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typedef Athena::io::FileReader base
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#endif // FILEREADER_BASE
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#endif // FILESTREAM_HPP
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