78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
#ifndef HWPSTREAM_H
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#define HWPSTREAM_H
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#include <stack>
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#include "Common/Common.h"
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namespace HWP
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{
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enum class EStringCharacter
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{
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ASCII,
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UTF16,
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UTF32
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};
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class CHWPStream
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{
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HWP_BYTE* m_pBegin;
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HWP_BYTE* m_pCur;
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HWP_BYTE* m_pEnd;
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std::stack<HWP_BYTE*> m_arSavedPositions;
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bool m_bExternalBuffer;
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public:
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CHWPStream();
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CHWPStream(unsigned long ulSize);
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CHWPStream(HWP_BYTE* pBuffer, unsigned long ulSize, bool bExternalBuffer = true);
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~CHWPStream();
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void Clear();
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void Copy(CHWPStream& oStream, unsigned long ulSize);
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void SetStream(HWP_BYTE* pBuffer, unsigned long ulSize, bool bExternalBuffer = true);
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HWP_BYTE* GetCurPtr();
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const HWP_BYTE* GetCurPtr() const;
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unsigned long Tell() const;
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unsigned long SizeToEnd() const;
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void Expand(unsigned long ulSize);
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bool ReadChar(HWP_CHAR& chValue);
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bool ReadFloat(float& fValue);
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bool ReadDouble(double& dValue);
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bool ReadLong(long long& lValue);
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bool ReadInt(int& nValue);
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bool ReadColor(int& nValue);
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bool ReadShort(short& shValue);
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short ReadShort();
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bool ReadByte(HWP_BYTE& chValue);
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HWP_BYTE ReadByte();
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bool ReadString(HWP_STRING& sValue, EStringCharacter eCharacter);
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bool ReadString(HWP_STRING& sValue, int nLength, EStringCharacter eCharacter);
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unsigned long ReadBytes(HWP_BYTE* pBytes, unsigned long unSize);
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void Skip(int nStep);
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void MoveToStart();
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void MoveTo(unsigned int unPosition);
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bool CanRead(int nSize = 1) const;
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bool IsValid() const;
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bool IsEof() const;
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unsigned int GetSize() const;
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void SavePosition();
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void RemoveLastSavedPos();
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int GetDistanceToLastPos(bool bRemoveLastPos = false);
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HWP_BYTE operator[](unsigned int unPosition) const;
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bool WriteBytes(const HWP_BYTE* pBuffer, unsigned long ulSize);
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};
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#define CHECK_FLAG(value, flag) ((value) & flag) == flag
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}
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#endif // HWPSTREAM_H
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