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qpdf/libqpdf/qpdf/QPDF_Dictionary.hh
2022-01-30 12:09:54 -06:00

45 lines
1.4 KiB
C++

#ifndef QPDF_DICTIONARY_HH
#define QPDF_DICTIONARY_HH
#include <qpdf/QPDFObject.hh>
#include <set>
#include <map>
#include <qpdf/QPDFObjectHandle.hh>
class QPDF_Dictionary: public QPDFObject
{
public:
QPDF_Dictionary(std::map<std::string, QPDFObjectHandle> const& items);
virtual ~QPDF_Dictionary();
virtual std::string unparse();
virtual JSON getJSON();
virtual QPDFObject::object_type_e getTypeCode() const;
virtual char const* getTypeName() const;
virtual void setDescription(QPDF*, std::string const&);
// 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;
// Replace value of key, adding it if it does not exist
void replaceKey(std::string const& key, QPDFObjectHandle);
// Remove key, doing nothing if key does not exist
void removeKey(std::string const& key);
// If object is null, remove key; otherwise, replace key
void replaceOrRemoveKey(std::string const& key, QPDFObjectHandle);
protected:
virtual void releaseResolved();
private:
std::map<std::string, QPDFObjectHandle> items;
};
#endif // QPDF_DICTIONARY_HH