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make missing acroform types public and start improving data

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also changes pages to use a proper tree structure since this will be required for resource inheritance and for acroform widget dictionaries.
This commit is contained in:
Eliot Jones
2019-10-09 14:28:37 +01:00
parent 81ab414c56
commit 2ef45f71d5
24 changed files with 538 additions and 190 deletions
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20
src/UglyToad.PdfPig/Parser/PdfDocumentFactory.cs
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@@ -70,7 +70,6 @@
{
var log = container.Get<ILog>();
var filterProvider = container.Get<IFilterProvider>();
var catalogFactory = new CatalogFactory();
var cMapCache = new CMapCache(new CMapParser());
CrossReferenceTable crossReferenceTable = null;
@@ -104,7 +103,9 @@
var compactFontFormatParser = new CompactFontFormatParser(new CompactFontFormatIndividualFontParser(compactFontFormatIndexReader, new CompactFontFormatTopLevelDictionaryReader(),
new CompactFontFormatPrivateDictionaryReader()), compactFontFormatIndexReader);
var rootDictionary = ParseTrailer(crossReferenceTable, isLenientParsing, pdfScanner, out var encryptionDictionary);
var (rootReference, rootDictionary) = ParseTrailer(crossReferenceTable, isLenientParsing,
pdfScanner,
out var encryptionDictionary);
var encryptionHandler = encryptionDictionary != null ? (IEncryptionHandler)new EncryptionHandler(encryptionDictionary, crossReferenceTable.Trailer, password ?? string.Empty)
: NoOpEncryptionHandler.Instance;
@@ -124,14 +125,13 @@
var resourceContainer = new ResourceStore(pdfScanner, fontFactory);
var information = DocumentInformationFactory.Create(pdfScanner, crossReferenceTable.Trailer);
var catalog = CatalogFactory.Create(rootReference, rootDictionary, pdfScanner, isLenientParsing);
var pageFactory = new PageFactory(pdfScanner, resourceContainer, filterProvider,
new PageContentParser(new ReflectionGraphicsStateOperationFactory()),
log);
var informationFactory = new DocumentInformationFactory();
var information = informationFactory.Create(pdfScanner, crossReferenceTable.Trailer);
var catalog = catalogFactory.Create(pdfScanner, rootDictionary);
var caching = new ParsingCachingProviders(bruteForceSearcher, resourceContainer);
@@ -144,7 +144,7 @@
acroFormFactory);
}
private static DictionaryToken ParseTrailer(CrossReferenceTable crossReferenceTable, bool isLenientParsing, IPdfTokenScanner pdfTokenScanner,
private static (IndirectReference, DictionaryToken) ParseTrailer(CrossReferenceTable crossReferenceTable, bool isLenientParsing, IPdfTokenScanner pdfTokenScanner,
out EncryptionDictionary encryptionDictionary)
{
encryptionDictionary = null;
@@ -157,8 +157,6 @@
}
encryptionDictionary = EncryptionDictionaryFactory.Read(encryptionDictionaryToken, pdfTokenScanner);
//throw new NotSupportedException("Cannot currently parse a document using encryption: " + crossReferenceTable.Trailer.EncryptionToken);
}
var rootDictionary = DirectObjectFinder.Get<DictionaryToken>(crossReferenceTable.Trailer.Root, pdfTokenScanner);
@@ -168,7 +166,7 @@
rootDictionary = rootDictionary.With(NameToken.Type, NameToken.Catalog);
}
return rootDictionary;
return (crossReferenceTable.Trailer.Root, rootDictionary);
}
}
}