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* Add support for cached reads

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This commit is contained in:
Phillip Stephens
2015-07-09 20:05:55 -07:00
parent a19dcad876
commit a7c180db00
2 changed files with 86 additions and 7 deletions
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8
include/Athena/FileReader.hpp
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@@ -12,7 +12,7 @@ namespace io
class FileReader : public IStreamReader
{
public:
FileReader(const std::string& filename);
FileReader(const std::string& filename, atUint32 cacheSize = (32 * 1024));
virtual ~FileReader();
inline const std::string& filename() const
{return m_filename;}
@@ -27,10 +27,14 @@ public:
atUint64 length() const;
atUint64 readUBytesToBuf(void* buf, atUint64 len);
void setCacheSize(const atUint32 blockSize);
protected:
std::string m_filename;
FILE* m_fileHandle;
atUint8 m_currentByte;
std::unique_ptr<atUint8[]> m_cacheData;
atUint32 m_blockSize;
atInt32 m_curBlock;
atUint64 m_offset;
};
} // io
} // Athena