nod/include/NOD/IFileIO.hpp

46 lines
1.3 KiB
C++

#ifndef __NOD_IFILE_IO__
#define __NOD_IFILE_IO__
#include <memory>
#include <stdlib.h>
#include "IDiscIO.hpp"
#include "Util.hpp"
namespace NOD
{
class IFileIO
{
public:
virtual ~IFileIO() {}
virtual bool exists()=0;
virtual uint64_t size()=0;
struct IWriteStream
{
virtual ~IWriteStream() {}
virtual uint64_t write(const void* buf, uint64_t length)=0;
virtual uint64_t copyFromDisc(struct IPartReadStream& discio, uint64_t length)=0;
};
virtual std::unique_ptr<IWriteStream> beginWriteStream() const=0;
virtual std::unique_ptr<IWriteStream> beginWriteStream(uint64_t offset) const=0;
struct IReadStream
{
virtual ~IReadStream() {}
virtual void seek(int64_t offset, int whence)=0;
virtual int64_t position()=0;
virtual uint64_t read(void* buf, uint64_t length)=0;
virtual uint64_t copyToDisc(struct IPartWriteStream& discio, uint64_t length)=0;
};
virtual std::unique_ptr<IReadStream> beginReadStream() const=0;
virtual std::unique_ptr<IReadStream> beginReadStream(uint64_t offset) const=0;
};
std::unique_ptr<IFileIO> NewFileIO(const SystemString& path, int64_t maxWriteSize=-1);
std::unique_ptr<IFileIO> NewFileIO(const SystemChar* path, int64_t maxWriteSize=-1);
}
#endif // __NOD_IFILE_IO__