Parser.h

//========================================================================
//
// Parser.h
//
// Copyright 1996-2002 Glyph & Cog, LLC
//
//========================================================================
 
#ifndef PARSER_H
#define PARSER_H
 
#include <aconf.h>
 
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
 
#include "Lexer.h"
 
//------------------------------------------------------------------------
// Parser
//------------------------------------------------------------------------
 
class Parser {
public:
 
  // Constructor.
  Parser(XRef *xrefA, Lexer *lexerA);
 
  // Destructor.
  ~Parser();
 
  // Get the next object from the input stream.
#ifndef NO_DECRYPTION
  Object *getObj(Object *obj,
         Guchar *fileKey = NULL, int keyLength = 0,
         int objNum = 0, int objGen = 0);
#else
  Object *getObj(Object *obj);
#endif
 
  // Get stream.
  Stream *getStream() { return lexer->getStream(); }
 
  // Get current position in file.
  int getPos() { return lexer->getPos(); }
 
private:
 
  XRef *xref;           // the xref table for this PDF file
  Lexer *lexer;         // input stream
  Object buf1, buf2;        // next two tokens
  int inlineImg;        // set when inline image data is encountered
 
  Stream *makeStream(Object *dict);
  void shift();
};
 
#endif