QPDF_Dictionary.hh
1.5 KB
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
#ifndef QPDF_DICTIONARY_HH
#define QPDF_DICTIONARY_HH
#include <qpdf/QPDFValue.hh>
#include <map>
#include <set>
#include <qpdf/QPDFObjectHandle.hh>
class QPDF_Dictionary: public QPDFValue
{
public:
virtual ~QPDF_Dictionary() = default;
static std::shared_ptr<QPDFObject>
create(std::map<std::string, QPDFObjectHandle> const& items);
static std::shared_ptr<QPDFObject>
create(std::map<std::string, QPDFObjectHandle>&& items);
virtual std::shared_ptr<QPDFObject> copy(bool shallow = false);
virtual std::string unparse();
virtual JSON getJSON(int json_version);
virtual void disconnect();
// hasKey() and getKeys() treat keys with null values as if they
// aren't there. getKey() returns null for the value of a
// non-existent key. This is as per the PDF spec.
bool hasKey(std::string const&);
QPDFObjectHandle getKey(std::string const&);
std::set<std::string> getKeys();
std::map<std::string, QPDFObjectHandle> const& getAsMap() const;
// If value is null, remove key; otherwise, replace the value of
// key, adding it if it does not exist.
void replaceKey(std::string const& key, QPDFObjectHandle value);
// Remove key, doing nothing if key does not exist
void removeKey(std::string const& key);
private:
QPDF_Dictionary(std::map<std::string, QPDFObjectHandle> const& items);
QPDF_Dictionary(std::map<std::string, QPDFObjectHandle>&& items);
std::map<std::string, QPDFObjectHandle> items;
};
#endif // QPDF_DICTIONARY_HH