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Structure tree information tool

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This commit is contained in:
Jakub Melka
2020-10-10 14:45:14 +02:00
parent e735c66d5c
commit b0831a84a7
7 changed files with 458 additions and 9 deletions
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62
PdfForQtLib/sources/pdfstructuretree.cpp
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@ -56,6 +56,10 @@ struct PDFStructureTreeAttributeDefinition
/// \param string String
static PDFStructureTreeAttribute::Owner getOwnerFromString(const QByteArray& string);
/// Returns string from owner. If owner is not valid, then invalid string is returned.
/// \param owner Owner
static QString getOwnerName(PDFStructureTreeAttribute::Owner owner);
PDFStructureTreeAttribute::Attribute type = PDFStructureTreeAttribute::Attribute::User;
const char* name = nullptr;
bool inheritable = false;
@ -248,6 +252,19 @@ PDFStructureTreeAttribute::Owner PDFStructureTreeAttributeDefinition::getOwnerFr
return PDFStructureTreeAttribute::Owner::Invalid;
}
QString PDFStructureTreeAttributeDefinition::getOwnerName(PDFStructureTreeAttribute::Owner owner)
{
for (const auto& item : s_ownerDefinitions)
{
if (owner == item.second)
{
return QString::fromLatin1(item.first);
}
}
return QString();
}
PDFStructureTreeAttribute::PDFStructureTreeAttribute() :
m_definition(&s_attributeDefinitions.front()),
m_owner(Owner::Invalid),
@ -278,6 +295,22 @@ PDFStructureTreeAttribute::Attribute PDFStructureTreeAttribute::getType() const
return m_definition->type;
}
QString PDFStructureTreeAttribute::getTypeName(const PDFObjectStorage* storage) const
{
if (isUser())
{
return getUserPropertyName(storage);
}
Q_ASSERT(m_definition);
return QString::fromLatin1(m_definition->name);
}
QString PDFStructureTreeAttribute::getOwnerName() const
{
return PDFStructureTreeAttributeDefinition::getOwnerName(getOwner());
}
bool PDFStructureTreeAttribute::isInheritable() const
{
Q_ASSERT(m_definition);
@ -873,4 +906,33 @@ PDFStructureItemPointer PDFStructureObjectReference::parseObjectReference(const
return pointer;
}
void PDFStructureTreeAbstractVisitor::visitStructureTree(const PDFStructureTree* structureTree)
{
acceptChildren(structureTree);
}
void PDFStructureTreeAbstractVisitor::visitStructureElement(const PDFStructureElement* structureElement)
{
acceptChildren(structureElement);
}
void PDFStructureTreeAbstractVisitor::visitStructureMarkedContentReference(const PDFStructureMarkedContentReference* structureMarkedContentReference)
{
acceptChildren(structureMarkedContentReference);
}
void PDFStructureTreeAbstractVisitor::visitStructureObjectReference(const PDFStructureObjectReference* structureObjectReference)
{
acceptChildren(structureObjectReference);
}
void PDFStructureTreeAbstractVisitor::acceptChildren(const PDFStructureItem* item)
{
const size_t childCount = item->getChildCount();
for (size_t i = 0; i < childCount; ++i)
{
item->getChild(i)->accept(this);
}
}
} // namespace pdf