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Attached files - PDF 2.0 attributes

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Jakub Melka
2020-08-07 19:29:22 +02:00
parent 6814e2755e
commit 79cf21775c
4 changed files with 99 additions and 3 deletions
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49
PdfForQtLib/sources/pdffile.cpp
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@ -107,6 +107,12 @@ const PDFEmbeddedFile* PDFFileSpecification::getPlatformFile() const
PDFFileSpecification PDFFileSpecification::parse(const PDFObjectStorage* storage, PDFObject object)
{
PDFFileSpecification result;
if (object.isReference())
{
result.m_selfReference = object.getReference();
}
object = storage->getObject(object);
if (object.isString())
@ -117,7 +123,6 @@ PDFFileSpecification PDFFileSpecification::parse(const PDFObjectStorage* storage
{
PDFDocumentDataLoaderDecorator loader(storage);
const PDFDictionary* dictionary = object.getDictionary();
PDFObject collectionObject = dictionary->get("Cl");
result.m_fileSystem = loader.readNameFromDictionary(dictionary, "FS");
result.m_F = loader.readStringFromDictionary(dictionary, "F");
@ -128,15 +133,53 @@ PDFFileSpecification PDFFileSpecification::parse(const PDFObjectStorage* storage
result.m_id = PDFFileIdentifier::parse(storage, dictionary->get("ID"));
result.m_volatile = loader.readBooleanFromDictionary(dictionary, "V", false);
result.m_description = loader.readTextStringFromDictionary(dictionary, "Desc", QString());
result.m_collection = collectionObject.isReference() ? collectionObject.getReference() : PDFObjectReference();
result.m_collection = loader.readReferenceFromDictionary(dictionary, "CI");
result.m_thumbnailReference = loader.readReferenceFromDictionary(dictionary, "Thumb");
result.m_encryptedPayload = dictionary->get("EP");
constexpr const std::array relationships = {
std::pair<const char*, AssociatedFileRelationship>{ "Unspecified", AssociatedFileRelationship::Unspecified },
std::pair<const char*, AssociatedFileRelationship>{ "Source", AssociatedFileRelationship::Source },
std::pair<const char*, AssociatedFileRelationship>{ "Data", AssociatedFileRelationship::Data },
std::pair<const char*, AssociatedFileRelationship>{ "Alternative", AssociatedFileRelationship::Alternative },
std::pair<const char*, AssociatedFileRelationship>{ "Supplement", AssociatedFileRelationship::Supplement },
std::pair<const char*, AssociatedFileRelationship>{ "EncryptedPayload", AssociatedFileRelationship::EncryptedPayload },
std::pair<const char*, AssociatedFileRelationship>{ "FormData", AssociatedFileRelationship::FormData },
std::pair<const char*, AssociatedFileRelationship>{ "Schema", AssociatedFileRelationship::Schema },
};
result.m_associatedFileRelationship = loader.readEnumByName(dictionary->get("AFRelationship"), relationships.begin(), relationships.end(), AssociatedFileRelationship::Unspecified);
PDFObject embeddedFiles = storage->getObject(dictionary->get("EF"));
PDFObject relatedFiles = storage->getObject(dictionary->get("RF"));
if (embeddedFiles.isDictionary())
{
const PDFDictionary* embeddedFilesDictionary = embeddedFiles.getDictionary();
const PDFDictionary* relatedFilesDictionary = relatedFiles.isDictionary() ? relatedFiles.getDictionary() : nullptr;
for (size_t i = 0; i < embeddedFilesDictionary->getCount(); ++i)
{
result.m_embeddedFiles[embeddedFilesDictionary->getKey(i).getString()] = PDFEmbeddedFile::parse(storage, embeddedFilesDictionary->getValue(i));
QByteArray key = embeddedFilesDictionary->getKey(i).getString();
result.m_embeddedFiles[key] = PDFEmbeddedFile::parse(storage, embeddedFilesDictionary->getValue(i));
if (relatedFilesDictionary)
{
PDFObject relatedFileArrayObject = storage->getObject(relatedFilesDictionary->get(key));
if (relatedFileArrayObject.isArray())
{
const PDFArray* relatedFileArray = relatedFileArrayObject.getArray();
const size_t relatedFilesCount = relatedFileArray->getCount() / 2;
RelatedFiles& relatedFiles = result.m_relatedFiles[key];
relatedFiles.reserve(relatedFilesCount);
for (size_t i = 0; i < relatedFilesCount; ++i)
{
RelatedFile relatedFile;
relatedFile.name = loader.readString(relatedFileArray->getItem(2 * i));
relatedFile.fileReference = loader.readReference(relatedFileArray->getItem(2 * i + 1));
relatedFiles.emplace_back(qMove(relatedFile));
}
}
}
}
}
}