public ParsingArguments(IRandomAccessRead reader, CrossReferenceTable crossReferenceTable, ParsingCachingProviders cachingProviders, IContainer container, bool isLenientParsing)
{
Reader = reader ?? throw new ArgumentNullException(nameof(reader));
CrossReferenceTable = crossReferenceTable ?? throw new ArgumentNullException(nameof(crossReferenceTable));
CachingProviders = cachingProviders ?? throw new ArgumentNullException(nameof(cachingProviders));
Container = container ?? throw new ArgumentNullException(nameof(container));
IsLenientParsing = isLenientParsing;
Log = new NoOpLog();
}
private static PdfDocument OpenDocument(IRandomAccessRead reader, IInputBytes inputBytes, ISeekableTokenScanner scanner, IContainer container, bool isLenientParsing)
{
var log = container.Get <ILog>();
var version = container.Get <FileHeaderParser>().Parse(scanner, isLenientParsing);
var crossReferenceOffset = container.Get <FileTrailerParser>().GetFirstCrossReferenceOffset(inputBytes, scanner, isLenientParsing);
var pool = new CosObjectPool();
// TODO: make this use the scanner.
var validator = new CrossReferenceOffsetValidator(new XrefOffsetValidator(log, reader, container.Get <CosDictionaryParser>(),
container.Get <CosBaseParser>(), pool));
crossReferenceOffset = validator.Validate(crossReferenceOffset, isLenientParsing);
var crossReferenceTable = container.Get <CrossReferenceParser>()
.Parse(reader, isLenientParsing, crossReferenceOffset, pool);
container.Get <CrossReferenceParser>().ParseNew(crossReferenceOffset, scanner, isLenientParsing);
var filterProvider = container.Get <IFilterProvider>();
var bruteForceSearcher = new BruteForceSearcher(reader);
var pdfObjectParser = new PdfObjectParser(container.Get <ILog>(), container.Get <CosBaseParser>(),
container.Get <CosStreamParser>(), crossReferenceTable, bruteForceSearcher, pool, container.Get <ObjectStreamParser>());
var trueTypeFontParser = new TrueTypeFontParser();
var fontDescriptorFactory = new FontDescriptorFactory();
var cidFontFactory = new CidFontFactory(fontDescriptorFactory, trueTypeFontParser, pdfObjectParser, filterProvider);
var cMapCache = new CMapCache(new CMapParser());
var fontFactory = new FontFactory(log, new Type0FontHandler(cidFontFactory,
cMapCache,
filterProvider,
pdfObjectParser),
new TrueTypeFontHandler(pdfObjectParser, filterProvider, cMapCache, fontDescriptorFactory, trueTypeFontParser));
var dynamicParser = container.Get <DynamicParser>();
var resourceContainer = new ResourceContainer(pdfObjectParser, fontFactory);
var pageFactory = new PageFactory(resourceContainer, pdfObjectParser, filterProvider, new PageContentParser(new ReflectionGraphicsStateOperationFactory()));
var informationFactory = new DocumentInformationFactory();
var catalogFactory = new CatalogFactory(pdfObjectParser);
var root = ParseTrailer(reader, crossReferenceTable, dynamicParser, bruteForceSearcher, pool,
isLenientParsing);
if (!(root is PdfDictionary rootDictionary))
{
throw new InvalidOperationException("Expected root dictionary, but got this: " + root);
}
// in some pdfs the type value "Catalog" is missing in the root object
if (isLenientParsing && !rootDictionary.ContainsKey(CosName.TYPE))
{
rootDictionary.Set(CosName.TYPE, CosName.CATALOG);
}
var information = informationFactory.Create(pdfObjectParser, crossReferenceTable.Dictionary, reader, isLenientParsing);
var catalog = catalogFactory.Create(rootDictionary, reader, isLenientParsing);
var caching = new ParsingCachingProviders(pool, bruteForceSearcher, resourceContainer);
return(new PdfDocument(log, reader, version, crossReferenceTable, isLenientParsing, caching, pageFactory, pdfObjectParser, catalog, information));
}
