athena/include/Athena/FileReader.hpp

87 lines
2.4 KiB
C++

// This file is part of libAthena.
//
// libAthena is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// libAthena is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with libAthena. If not, see <http://www.gnu.org/licenses/>
#ifndef FILESTREAM_HPP
#define FILESTREAM_HPP
#include "Athena/IStreamReader.hpp"
#include <string>
#include <stdio.h>
namespace Athena
{
namespace io
{
class FileReader : public IStreamReader
{
public:
FileReader(const std::string& filename);
virtual ~FileReader();
std::string filename() const;
void setEndian(Endian endian);
Endian endian() const;
bool isBigEndian() const;
bool isLittleEndian() const;
void open();
void close();
bool isOpen() const;
bool save();
void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
inline void seekAlign32() {seek(ROUND_UP_32(position()), SeekOrigin::Begin);}
bool atEnd() const;
atUint64 position() const;
atUint64 length() const;
void seekBit(int);
bool readBit();
atUint8 readUByte();
atInt8 readByte();
atUint8* readUBytes(atUint64 len);
atInt8* readBytes(atUint64 len);
atUint64 readBytesToBuf(void* buf, atUint64 len) {return readUBytesToBuf(buf, len);}
atUint64 readUBytesToBuf(void* buf, atUint64 len);
atUint16 readUint16();
atInt16 readInt16();
atUint32 readUint32();
atInt32 readInt32();
atUint64 readUint64();
atInt64 readInt64();
double readDouble();
float readFloat();
bool readBool();
std::string readString(atInt32 maxlen = -1);
std::string readUnicode(atInt32 maxlen = -1);
protected:
std::string m_filename;
FILE* m_fileHandle;
Endian m_endian;
atUint8 m_currentByte;
atUint8 m_bitShift;
bool m_bitValid;
};
} // io
} // Athena
#ifndef FILEREADER_BASE
#define FILEREADER_BASE() \
private: \
typedef Athena::io::FileReader base
#endif // FILEREADER_BASE
#endif // FILESTREAM_HPP