mirror of
https://github.com/JakubMelka/PDF4QT.git
synced 2025-06-05 21:59:17 +02:00
300 lines
12 KiB
C++
300 lines
12 KiB
C++
// Copyright (C) 2020-2021 Jakub Melka
|
|
//
|
|
// This file is part of PDF4QT.
|
|
//
|
|
// PDF4QT is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// with the written consent of the copyright owner, any later version.
|
|
//
|
|
// PDF4QT is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
#include "pdftoolinfostructuretree.h"
|
|
#include "pdfstructuretree.h"
|
|
#include "pdfencoding.h"
|
|
|
|
namespace pdftool
|
|
{
|
|
|
|
class PDFStructureTreePrintVisitor : public pdf::PDFStructureTreeAbstractVisitor
|
|
{
|
|
public:
|
|
explicit PDFStructureTreePrintVisitor(const pdf::PDFDocument* document,
|
|
const pdf::PDFStructureTree* tree,
|
|
PDFOutputFormatter* formatter) :
|
|
m_document(document),
|
|
m_tree(tree),
|
|
m_formatter(formatter)
|
|
{
|
|
|
|
}
|
|
|
|
virtual void visitStructureTree(const pdf::PDFStructureTree* structureTree) override;
|
|
virtual void visitStructureElement(const pdf::PDFStructureElement* structureElement) override;
|
|
virtual void visitStructureMarkedContentReference(const pdf::PDFStructureMarkedContentReference* structureMarkedContentReference) override;
|
|
virtual void visitStructureObjectReference(const pdf::PDFStructureObjectReference* structureObjectReference) override;
|
|
|
|
private:
|
|
const pdf::PDFDocument* m_document;
|
|
const pdf::PDFStructureTree* m_tree;
|
|
PDFOutputFormatter* m_formatter;
|
|
QLocale m_locale;
|
|
};
|
|
|
|
void PDFStructureTreePrintVisitor::visitStructureTree(const pdf::PDFStructureTree* structureTree)
|
|
{
|
|
m_formatter->beginHeader("tree", PDFToolTranslationContext::tr("Structure Tree"));
|
|
acceptChildren(structureTree);
|
|
m_formatter->endHeader();
|
|
}
|
|
|
|
void PDFStructureTreePrintVisitor::visitStructureElement(const pdf::PDFStructureElement* structureElement)
|
|
{
|
|
pdf::PDFInteger pageIndex = m_document->getCatalog()->getPageIndexFromPageReference(structureElement->getPageReference());
|
|
m_formatter->beginHeader("element", QString::fromLatin1(structureElement->getTypeName()), pageIndex);
|
|
|
|
const std::vector<pdf::PDFStructureTreeAttribute>& attributes = structureElement->getAttributes();
|
|
if (!attributes.empty())
|
|
{
|
|
m_formatter->beginTable("attributes", PDFToolTranslationContext::tr("Attributes"));
|
|
|
|
m_formatter->beginTableHeaderRow("header");
|
|
m_formatter->writeTableHeaderColumn("no", PDFToolTranslationContext::tr("No"));
|
|
m_formatter->writeTableHeaderColumn("type", PDFToolTranslationContext::tr("Type"));
|
|
m_formatter->writeTableHeaderColumn("owner", PDFToolTranslationContext::tr("Owner"));
|
|
m_formatter->writeTableHeaderColumn("revision", PDFToolTranslationContext::tr("Revision"));
|
|
m_formatter->writeTableHeaderColumn("hidden", PDFToolTranslationContext::tr("Hidden"));
|
|
m_formatter->writeTableHeaderColumn("value", PDFToolTranslationContext::tr("Value"));
|
|
m_formatter->endTableHeaderRow();
|
|
|
|
int ref = 0;
|
|
for (const pdf::PDFStructureTreeAttribute& attribute : attributes)
|
|
{
|
|
m_formatter->beginTableRow("attribute", ref);
|
|
|
|
m_formatter->writeTableColumn("no", m_locale.toString(ref + 1), Qt::AlignRight);
|
|
m_formatter->writeTableColumn("type", attribute.getTypeName(&m_document->getStorage()));
|
|
m_formatter->writeTableColumn("owner", attribute.getOwnerName());
|
|
|
|
if (attribute.getRevision() > 0)
|
|
{
|
|
m_formatter->writeTableColumn("revision", m_locale.toString(attribute.getRevision()));
|
|
}
|
|
else
|
|
{
|
|
m_formatter->writeTableColumn("revision", QString());
|
|
}
|
|
|
|
if (attribute.isUser())
|
|
{
|
|
m_formatter->writeTableColumn("hidden", attribute.getUserPropertyIsHidden(&m_document->getStorage()) ? PDFToolTranslationContext::tr("Yes") : PDFToolTranslationContext::tr("No"));
|
|
}
|
|
else
|
|
{
|
|
m_formatter->writeTableColumn("hidden", QString());
|
|
}
|
|
|
|
QString value;
|
|
pdf::PDFObject valueObject = attribute.getValue();
|
|
if (attribute.isUser())
|
|
{
|
|
value = attribute.getUserPropertyFormattedValue(&m_document->getStorage());
|
|
valueObject = attribute.getUserPropertyValue(&m_document->getStorage());
|
|
}
|
|
valueObject = m_document->getObject(valueObject);
|
|
|
|
if (value.isEmpty())
|
|
{
|
|
switch (valueObject.getType())
|
|
{
|
|
case pdf::PDFObject::Type::Null:
|
|
value = PDFToolTranslationContext::tr("[null]");
|
|
break;
|
|
|
|
case pdf::PDFObject::Type::Bool:
|
|
value = valueObject.getBool() ? PDFToolTranslationContext::tr("Yes") : PDFToolTranslationContext::tr("No");
|
|
break;
|
|
|
|
case pdf::PDFObject::Type::Int:
|
|
value = m_locale.toString(valueObject.getInteger());
|
|
break;
|
|
|
|
case pdf::PDFObject::Type::Real:
|
|
value = m_locale.toString(valueObject.getReal());
|
|
break;
|
|
|
|
case pdf::PDFObject::Type::String:
|
|
case pdf::PDFObject::Type::Name:
|
|
value = pdf::PDFEncoding::convertSmartFromByteStringToUnicode(valueObject.getString(), nullptr);
|
|
break;
|
|
|
|
case pdf::PDFObject::Type::Array:
|
|
case pdf::PDFObject::Type::Dictionary:
|
|
case pdf::PDFObject::Type::Stream:
|
|
case pdf::PDFObject::Type::Reference:
|
|
value = PDFToolTranslationContext::tr("[complex type]");
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
m_formatter->writeTableColumn("value", value);
|
|
|
|
m_formatter->endTableRow();
|
|
|
|
++ref;
|
|
}
|
|
|
|
m_formatter->endTable();
|
|
}
|
|
|
|
bool hasText = false;
|
|
std::array<QString, pdf::PDFStructureElement::LastStringValue> stringValues;
|
|
for (int i = 0; i < pdf::PDFStructureElement::LastStringValue; ++i)
|
|
{
|
|
stringValues[i] = structureElement->getText(static_cast<pdf::PDFStructureElement::StringValue>(i));
|
|
hasText = hasText || !stringValues[i].isEmpty();
|
|
}
|
|
|
|
if (hasText)
|
|
{
|
|
m_formatter->beginTable("properties", PDFToolTranslationContext::tr("Properties"));
|
|
|
|
m_formatter->beginTableHeaderRow("header");
|
|
m_formatter->writeTableHeaderColumn("no", PDFToolTranslationContext::tr("No"));
|
|
m_formatter->writeTableHeaderColumn("property", PDFToolTranslationContext::tr("Property"));
|
|
m_formatter->writeTableHeaderColumn("value", PDFToolTranslationContext::tr("Value"));
|
|
m_formatter->endTableHeaderRow();
|
|
|
|
int ref = 1;
|
|
for (int i = 0; i < pdf::PDFStructureElement::LastStringValue; ++i)
|
|
{
|
|
if (stringValues[i].isEmpty())
|
|
{
|
|
continue;
|
|
}
|
|
|
|
QString propertyName;
|
|
switch (i)
|
|
{
|
|
case pdf::PDFStructureElement::Title:
|
|
propertyName = PDFToolTranslationContext::tr("Title");
|
|
break;
|
|
|
|
case pdf::PDFStructureElement::Language:
|
|
propertyName = PDFToolTranslationContext::tr("Language");
|
|
break;
|
|
|
|
case pdf::PDFStructureElement::AlternativeDescription:
|
|
propertyName = PDFToolTranslationContext::tr("Alternative description");
|
|
break;
|
|
|
|
case pdf::PDFStructureElement::ExpandedForm:
|
|
propertyName = PDFToolTranslationContext::tr("Expanded form");
|
|
break;
|
|
|
|
case pdf::PDFStructureElement::ActualText:
|
|
propertyName = PDFToolTranslationContext::tr("Actual text");
|
|
break;
|
|
|
|
case pdf::PDFStructureElement::Phoneme:
|
|
propertyName = PDFToolTranslationContext::tr("Phoneme");
|
|
break;
|
|
|
|
default:
|
|
Q_ASSERT(false);
|
|
break;
|
|
}
|
|
|
|
m_formatter->beginTableRow("property", i);
|
|
m_formatter->writeTableColumn("no", m_locale.toString(ref++), Qt::AlignRight);
|
|
m_formatter->writeTableColumn("property", propertyName);
|
|
m_formatter->writeTableColumn("value", stringValues[i]);
|
|
m_formatter->endTableRow();
|
|
}
|
|
|
|
m_formatter->endTable();
|
|
}
|
|
|
|
acceptChildren(structureElement);
|
|
m_formatter->endHeader();
|
|
}
|
|
|
|
void PDFStructureTreePrintVisitor::visitStructureMarkedContentReference(const pdf::PDFStructureMarkedContentReference* structureMarkedContentReference)
|
|
{
|
|
const pdf::PDFInteger reference = structureMarkedContentReference->getMarkedContentIdentifier();
|
|
m_formatter->writeText("marked-content-reference", PDFToolTranslationContext::tr("Marked Content Reference %1").arg(reference), reference);
|
|
}
|
|
|
|
void PDFStructureTreePrintVisitor::visitStructureObjectReference(const pdf::PDFStructureObjectReference* structureObjectReference)
|
|
{
|
|
const pdf::PDFObjectReference reference = structureObjectReference->getObjectReference();
|
|
m_formatter->writeText("structure-object-reference", PDFToolTranslationContext::tr("Structure Object Reference [%1 %2 R]").arg(reference.objectNumber).arg(reference.generation), reference.objectNumber);
|
|
}
|
|
|
|
static PDFToolInfoStructureTreeApplication s_infoStructureTreeApplication;
|
|
|
|
QString PDFToolInfoStructureTreeApplication::getStandardString(StandardString standardString) const
|
|
{
|
|
switch (standardString)
|
|
{
|
|
case Command:
|
|
return "info-struct-tree";
|
|
|
|
case Name:
|
|
return PDFToolTranslationContext::tr("Info (Structure tree)");
|
|
|
|
case Description:
|
|
return PDFToolTranslationContext::tr("Examine structure tree in tagged document.");
|
|
|
|
default:
|
|
Q_ASSERT(false);
|
|
break;
|
|
}
|
|
|
|
return QString();
|
|
}
|
|
|
|
int PDFToolInfoStructureTreeApplication::execute(const PDFToolOptions& options)
|
|
{
|
|
pdf::PDFDocument document;
|
|
QByteArray sourceData;
|
|
if (!readDocument(options, document, &sourceData, false))
|
|
{
|
|
return ErrorDocumentReading;
|
|
}
|
|
|
|
pdf::PDFStructureTree structureTree = pdf::PDFStructureTree::parse(&document.getStorage(), document.getCatalog()->getStructureTreeRoot());
|
|
if (structureTree.isValid())
|
|
{
|
|
PDFOutputFormatter formatter(options.outputStyle);
|
|
formatter.beginDocument("info-structure-tree", PDFToolTranslationContext::tr("Structure tree in document %1").arg(options.document));
|
|
|
|
PDFStructureTreePrintVisitor visitor(&document, &structureTree, &formatter);
|
|
structureTree.accept(&visitor);
|
|
|
|
formatter.endDocument();
|
|
PDFConsole::writeText(formatter.getString(), options.outputCodec);
|
|
}
|
|
else
|
|
{
|
|
PDFConsole::writeError(PDFToolTranslationContext::tr("No structure tree found in document."), options.outputCodec);
|
|
}
|
|
|
|
return ExitSuccess;
|
|
}
|
|
|
|
PDFToolAbstractApplication::Options PDFToolInfoStructureTreeApplication::getOptionsFlags() const
|
|
{
|
|
return ConsoleFormat | OpenDocument;
|
|
}
|
|
|
|
} // namespace pdftool
|