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#pragma once
#include "../Base.h"
#include "../Exception.h"
#include "../String.h"
#include <cstddef>
#include <vector>
namespace cru::io {
class CRU_BASE_API StreamOperationNotSupportedException : public Exception {
public:
explicit StreamOperationNotSupportedException(String operation);
CRU_DEFAULT_COPY(StreamOperationNotSupportedException)
CRU_DEFAULT_MOVE(StreamOperationNotSupportedException)
CRU_DEFAULT_DESTRUCTOR(StreamOperationNotSupportedException)
public:
String GetOperation() const { return operation_; }
public:
static void CheckSeek(bool seekable);
static void CheckRead(bool readable);
static void CheckWrite(bool writable);
private:
String operation_;
};
class CRU_BASE_API StreamAlreadyClosedException : public Exception {
public:
StreamAlreadyClosedException();
CRU_DEFAULT_COPY(StreamAlreadyClosedException)
CRU_DEFAULT_MOVE(StreamAlreadyClosedException)
CRU_DEFAULT_DESTRUCTOR(StreamAlreadyClosedException)
static void Check(bool closed);
};
class CRU_BASE_API Stream : public Object {
public:
enum class SeekOrigin { Current, Begin, End };
Stream() = default;
CRU_DELETE_COPY(Stream)
CRU_DELETE_MOVE(Stream)
~Stream() override = default;
public:
virtual bool CanSeek() = 0;
virtual Index Seek(Index offset, SeekOrigin origin = SeekOrigin::Current) = 0;
virtual Index Tell();
virtual void Rewind();
virtual Index GetSize();
virtual bool CanRead() = 0;
virtual Index Read(std::byte* buffer, Index offset, Index size) = 0;
virtual Index Read(std::byte* buffer, Index size);
virtual bool CanWrite() = 0;
virtual Index Write(const std::byte* buffer, Index offset, Index size) = 0;
virtual Index Write(const std::byte* buffer, Index size);
Index Write(const char* buffer, Index offset, Index size);
Index Write(const char* buffer, Index size);
virtual std::vector<std::byte> ReadAll();
// Utf8 encoding.
String ReadAllAsString();
virtual void Flush();
virtual void Close();
};
} // namespace cru::io
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