1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
//========================================================================
//
// Parser.h
//
// Copyright 1996-2003 Glyph & Cog, LLC
//
//========================================================================
//========================================================================
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
//
// Copyright (C) 2006, 2010 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2012 Hib Eris <hib@hiberis.nl>
// Copyright (C) 2013 Adrian Johnson <ajohnson@redneon.com>
// Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de>
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
//
//========================================================================
#ifndef PARSER_H
#define PARSER_H
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
#include "Lexer.h"
//------------------------------------------------------------------------
// Parser
//------------------------------------------------------------------------
class Parser {
public:
// Constructor.
Parser(XRef *xrefA, Lexer *lexerA, GBool allowStreamsA);
// Destructor.
~Parser();
// Get the next object from the input stream. If <simpleOnly> is
// true, do not parse compound objects (arrays, dictionaries, or
// streams).
Object *getObj(Object *obj, GBool simpleOnly = gFalse,
Guchar *fileKey = NULL,
CryptAlgorithm encAlgorithm = cryptRC4, int keyLength = 0,
int objNum = 0, int objGen = 0, int recursion = 0,
GBool strict = gFalse);
Object *getObj(Object *obj, int recursion);
// Get stream.
Stream *getStream() { return lexer->getStream(); }
// Get current position in file.
Goffset getPos() { return lexer->getPos(); }
private:
XRef *xref; // the xref table for this PDF file
Lexer *lexer; // input stream
GBool allowStreams; // parse stream objects?
Object buf1, buf2; // next two tokens
int inlineImg; // set when inline image data is encountered
Stream *makeStream(Object *dict, Guchar *fileKey,
CryptAlgorithm encAlgorithm, int keyLength,
int objNum, int objGen, int recursion,
GBool strict);
void shift(int objNum = -1);
void shift(const char *cmdA);
};
#endif
|
