source/libs/poppler/poppler-src/fofi/FoFiBase.h

   1 //========================================================================
   2 //
   3 // FoFiBase.h
   4 //
   5 // Copyright 1999-2003 Glyph & Cog, LLC
   6 //
   7 //========================================================================
   8
   9 #ifndef FOFIBASE_H
  10 #define FOFIBASE_H
  11
  12 #ifdef USE_GCC_PRAGMAS
  13 #pragma interface
  14 #endif
  15
  16 #include "goo/gtypes.h"
  17
  18 //------------------------------------------------------------------------
  19
  20 typedef void (*FoFiOutputFunc)(void *stream, const char *data, int len);
  21
  22 //------------------------------------------------------------------------
  23 // FoFiBase
  24 //------------------------------------------------------------------------
  25
  26 class FoFiBase {
  27 public:
  28
  29   virtual ~FoFiBase();
  30
  31 protected:
  32
  33   FoFiBase(char *fileA, int lenA, GBool freeFileDataA);
  34   static char *readFile(char *fileName, int *fileLen);
  35
  36   // S = signed / U = unsigned
  37   // 8/16/32/Var = word length, in bytes
  38   // BE = big endian
  39   int getS8(int pos, GBool *ok);
  40   int getU8(int pos, GBool *ok);
  41   int getS16BE(int pos, GBool *ok);
  42   int getU16BE(int pos, GBool *ok);
  43   int getS32BE(int pos, GBool *ok);
  44   Guint getU32BE(int pos, GBool *ok);
  45   Guint getU32LE(int pos, GBool *ok);
  46   Guint getUVarBE(int pos, int size, GBool *ok);
  47
  48   GBool checkRegion(int pos, int size);
  49
  50   Guchar *fileData;
  51   Guchar *file;
  52   int len;
  53   GBool freeFileData;
  54 };
  55
  56 #endif