trunk/bwapi/Replay_Tool/FileReader.h

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#pragma once
#include <windows.h>
#include <string>

class FileReader
{
public:
  FileReader();
  FileReader(const void *pData, DWORD dwDataSize);
  ~FileReader();
  bool Open(const char *pszFilename);
  bool Error(const char *pszText = NULL);
  void Free();
  bool Eof();
  template <class _T>
  _T Read()
  {
    _T rval;
    if ( dwOffset + sizeof(_T) <= dwFileSize )
    {
      rval = *(_T*)&this->pMem[dwOffset];
      dwOffset += sizeof(_T);
    }
    else
    {
      memset(&rval, 0, sizeof(_T));
      this->eof = true;
    }
    return rval;
  }
  void Read(void *pBuffer, DWORD dwSize);
  int         Read7BitEncodedInt();
  std::string ReadString();
  std::string ReadCString(const char *deliminators = NULL);
  DWORD       GetSize();
  //FileReader  Decompress(DWORD dwCompressedSize, DWORD dwDecompressedSize);  // Requires XNA header
private:
  HANDLE  hFile;
  BYTE    *pMem;
  DWORD   dwFileSize;
  DWORD   dwOffset;
  bool    eof;
};