mirror of https://github.com/qpdf/qpdf.git
110 lines
2.2 KiB
C++
110 lines
2.2 KiB
C++
#ifndef QPDFVALUE_HH
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#define QPDFVALUE_HH
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#include <qpdf/Constants.h>
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#include <qpdf/DLL.h>
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#include <qpdf/JSON.hh>
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#include <qpdf/QPDFObjGen.hh>
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#include <qpdf/Types.h>
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#include <string>
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class QPDF;
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class QPDFObjectHandle;
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class QPDFObject;
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class QPDFValue
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{
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friend class QPDFObject;
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public:
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virtual ~QPDFValue() = default;
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virtual std::shared_ptr<QPDFObject> shallowCopy() = 0;
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virtual std::string unparse() = 0;
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virtual JSON getJSON(int json_version) = 0;
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virtual void
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setDescription(QPDF* qpdf_p, std::string const& description)
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{
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qpdf = qpdf_p;
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object_description = description;
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}
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bool
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getDescription(QPDF*& qpdf_p, std::string& description)
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{
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qpdf_p = qpdf;
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description = object_description;
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return qpdf != nullptr;
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}
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bool
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hasDescription()
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{
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return qpdf != nullptr && !object_description.empty();
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}
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void
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setParsedOffset(qpdf_offset_t offset)
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{
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if (parsed_offset < 0) {
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parsed_offset = offset;
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}
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}
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qpdf_offset_t
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getParsedOffset()
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{
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return parsed_offset;
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}
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QPDF*
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getQPDF()
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{
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return qpdf;
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}
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QPDFObjGen
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getObjGen()
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{
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return og;
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}
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virtual void
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disconnect()
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{
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}
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protected:
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QPDFValue() :
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type_code(::ot_uninitialized),
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type_name("uninitialized")
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{
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}
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QPDFValue(qpdf_object_type_e type_code, char const* type_name) :
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type_code(type_code),
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type_name(type_name)
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{
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}
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QPDFValue(
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qpdf_object_type_e type_code,
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char const* type_name,
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QPDF* qpdf,
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QPDFObjGen const& og) :
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type_code(type_code),
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type_name(type_name),
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qpdf(qpdf),
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og(og)
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{
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}
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static std::shared_ptr<QPDFObject> do_create(QPDFValue*);
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private:
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QPDFValue(QPDFValue const&) = delete;
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QPDFValue& operator=(QPDFValue const&) = delete;
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std::string object_description;
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qpdf_offset_t parsed_offset{-1};
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const qpdf_object_type_e type_code;
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char const* type_name;
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protected:
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QPDF* qpdf{nullptr};
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QPDFObjGen og;
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};
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#endif // QPDFVALUE_HH
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