FileBuffer.h 2.4 KB

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  1. //---------------------------------------------------------------------------
  2. #ifndef FileBufferH
  3. #define FileBufferH
  4. #include <classes.hpp>
  5. //---------------------------------------------------------------------------
  6. enum TEOLType { eolLF /* \n */, eolCRLF /* \r\n */, eolCR /* \r */ };
  7. const int cpRemoveCtrlZ = 0x01;
  8. const int cpRemoveBOM = 0x02;
  9. //---------------------------------------------------------------------------
  10. class TFileBuffer
  11. {
  12. public:
  13. __fastcall TFileBuffer();
  14. virtual __fastcall ~TFileBuffer();
  15. void __fastcall Convert(char * Source, char * Dest, int Params, bool & Token);
  16. void __fastcall Convert(TEOLType Source, TEOLType Dest, int Params, bool & Token);
  17. void __fastcall Convert(char * Source, TEOLType Dest, int Params, bool & Token);
  18. void __fastcall Convert(TEOLType Source, char * Dest, int Params, bool & Token);
  19. void __fastcall Insert(int Index, const char * Buf, int Len);
  20. void __fastcall Delete(int Index, int Len);
  21. DWORD __fastcall LoadStream(TStream * Stream, const DWORD Len, bool ForceLen);
  22. DWORD __fastcall ReadStream(TStream * Stream, const DWORD Len, bool ForceLen);
  23. void __fastcall WriteToStream(TStream * Stream, const DWORD Len);
  24. __property TMemoryStream * Memory = { read=FMemory, write=SetMemory };
  25. __property char * Data = { read=GetData };
  26. __property int Size = { read=FSize, write=SetSize };
  27. __property int Position = { read=GetPosition, write=SetPosition };
  28. private:
  29. TMemoryStream * FMemory;
  30. int FSize;
  31. void __fastcall SetMemory(TMemoryStream * value);
  32. char * __fastcall GetData() const { return (char *)FMemory->Memory; }
  33. void __fastcall SetSize(int value);
  34. void __fastcall SetPosition(int value);
  35. int __fastcall GetPosition() const;
  36. };
  37. //---------------------------------------------------------------------------
  38. class TSafeHandleStream : public THandleStream
  39. {
  40. public:
  41. __fastcall TSafeHandleStream(int AHandle);
  42. virtual int __fastcall Read(void * Buffer, int Count);
  43. virtual int __fastcall Write(const void * Buffer, int Count);
  44. virtual int __fastcall Read(System::DynamicArray<System::Byte> Buffer, int Offset, int Count);
  45. virtual int __fastcall Write(const System::DynamicArray<System::Byte> Buffer, int Offset, int Count);
  46. };
  47. //---------------------------------------------------------------------------
  48. char * __fastcall EOLToStr(TEOLType EOLType);
  49. //---------------------------------------------------------------------------
  50. #endif