blob: 255ff24e71db60fd79e05a87b925c1a5dbf6ad4d (
plain) (
blame)
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
|
// Copyright (c) 2005-2021 Jay Berkenbilt
//
// This file is part of qpdf.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Versions of qpdf prior to version 7 were released under the terms
// of version 2.0 of the Artistic License. At your option, you may
// continue to consider qpdf to be licensed under those terms. Please
// see the manual for additional information.
#ifndef QPDFNAMETREEOBJECTHELPER_HH
#define QPDFNAMETREEOBJECTHELPER_HH
#include <qpdf/QPDFObjectHelper.hh>
#include <qpdf/QPDFObjGen.hh>
#include <map>
#include <memory>
#include <qpdf/DLL.h>
// This is an object helper for name trees. See section 7.9.6 in the
// PDF spec (ISO 32000) for a description of name trees. When looking
// up items in the name tree, use UTF-8 strings. All names are
// normalized for lookup purposes.
class NNTreeImpl;
class QPDFNameTreeObjectHelper: public QPDFObjectHelper
{
public:
QPDF_DLL
QPDFNameTreeObjectHelper(QPDFObjectHandle);
QPDF_DLL
virtual ~QPDFNameTreeObjectHelper();
// Return whether the number tree has an explicit entry for this
// number.
QPDF_DLL
bool hasName(std::string const& utf8);
// Find an object by name. If found, returns true and initializes
// oh.
QPDF_DLL
bool findObject(std::string const& utf8, QPDFObjectHandle& oh);
// Return the contents of the name tree as a map. Note that name
// trees may be very large, so this may use a lot of RAM. It is
// more efficient to use QPDFNameTreeObjectHelper's iterator.
QPDF_DLL
std::map<std::string, QPDFObjectHandle> getAsMap() const;
private:
class Members
{
friend class QPDFNameTreeObjectHelper;
public:
QPDF_DLL
~Members();
private:
Members(QPDFObjectHandle& oh);
Members(Members const&) = delete;
std::shared_ptr<NNTreeImpl> impl;
};
PointerHolder<Members> m;
};
#endif // QPDFNAMETREEOBJECTHELPER_HH
|
