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23 lines
507 B
C
23 lines
507 B
C
#pragma once
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#include <stdint.h>
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struct IFileReader
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{
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public:
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typedef int64_t FilePos_t;
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typedef uint64_t UFilePos_t;
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virtual size_t Read(void *buffer, size_t sz) = 0;
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virtual size_t FileSize() const = 0;
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virtual bool SeekStart(FilePos_t pos) = 0;
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virtual bool SeekCurrent(FilePos_t pos) = 0;
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virtual bool SeekEnd(FilePos_t pos) = 0;
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virtual FilePos_t GetPosition() const = 0;
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inline bool ReadExact(void *buffer, size_t sz)
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{
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return this->Read(buffer, sz) == sz;
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}
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};
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