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