blob: b775a574d9909d9dac6d007acc2535defb7cf779 (
plain)
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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
//========================================================================
//
// Dict.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) 2005 Kristian Høgsberg <krh@redhat.com>
// Copyright (C) 2006 Krzysztof Kowalczyk <kkowalczyk@gmail.com>
// Copyright (C) 2007-2008 Julien Rebetez <julienr@svn.gnome.org>
// Copyright (C) 2010, 2017 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2010 Paweł Wiejacha <pawel.wiejacha@gmail.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 DICT_H
#define DICT_H
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
#include "poppler-config.h"
#include "Object.h"
#include "goo/GooMutex.h"
//------------------------------------------------------------------------
// Dict
//------------------------------------------------------------------------
struct DictEntry {
char *key;
Object val;
};
class Dict {
public:
// Constructor.
Dict(XRef *xrefA);
Dict(Dict* dictA);
Dict *copy(XRef *xrefA);
// Destructor.
~Dict();
// Get number of entries.
int getLength() { return length; }
// Add an entry. NB: does not copy key.
// val becomes a dead object after the call
void add(char *key, Object &&val);
// Update the value of an existing entry, otherwise create it
// val becomes a dead object after the call
void set(const char *key, Object &&val);
// Remove an entry. This invalidate indexes
void remove(const char *key);
// Check if dictionary is of specified type.
GBool is(const char *type);
// Look up an entry and return the value. Returns a null object
// if <key> is not in the dictionary.
Object lookup(const char *key, int recursion = 0);
Object lookupNF(const char *key);
GBool lookupInt(const char *key, const char *alt_key, int *value);
// Iterative accessors.
char *getKey(int i);
Object getVal(int i);
Object getValNF(int i);
// Set the xref pointer. This is only used in one special case: the
// trailer dictionary, which is read before the xref table is
// parsed.
void setXRef(XRef *xrefA) { xref = xrefA; }
XRef *getXRef() { return xref; }
GBool hasKey(const char *key);
private:
friend class Object; // for incRef/decRef
// Reference counting.
int incRef();
int decRef();
GBool sorted;
XRef *xref; // the xref table for this PDF file
DictEntry *entries; // array of entries
int size; // size of <entries> array
int length; // number of entries in dictionary
int ref; // reference count
#if MULTITHREADED
GooMutex mutex;
#endif
DictEntry *find(const char *key);
};
#endif
|
