rosapps/smartpdf/poppler/poppler/Parser.h

   1 //========================================================================
   2 //
   3 // Parser.h
   4 //
   5 // Copyright 1996-2003 Glyph & Cog, LLC
   6 //
   7 //========================================================================
   8
   9 #ifndef PARSER_H
  10 #define PARSER_H
  11
  12 #ifdef USE_GCC_PRAGMAS
  13 #pragma interface
  14 #endif
  15
  16 #include "Lexer.h"
  17
  18 //------------------------------------------------------------------------
  19 // Parser
  20 //------------------------------------------------------------------------
  21
  22 class Parser {
  23 public:
  24
  25   Parser(XRef *xrefA, Lexer *lexerA);
  26
  27   ~Parser();
  28
  29   // Get the next object from the input stream.
  30   Object *getObj(Object *obj,
  31                  Guchar *fileKey = NULL, int keyLength = 0,
  32                  int objNum = 0, int objGen = 0);
  33
  34   // Get stream.
  35   Stream *getStream() { return lexer->getStream(); }
  36
  37   // Get current position in file.
  38   int getPos() { return lexer->getPos(); }
  39
  40 private:
  41
  42   XRef *xref;           // the xref table for this PDF file
  43   Lexer *lexer;         // input stream
  44   Object buf1, buf2;    // next two tokens
  45   int inlineImg;        // set when inline image data is encountered
  46
  47   Stream *makeStream(Object *dict);
  48   void shift(int objNum = -1);
  49 };
  50
  51 #endif
  52