/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef nsRDFXMLSerializer_h__ #define nsRDFXMLSerializer_h__ #include "nsIRDFLiteral.h" #include "nsIRDFXMLSerializer.h" #include "nsIRDFXMLSource.h" #include "nsNameSpaceMap.h" #include "nsXPIDLString.h" #include "nsDataHashtable.h" #include "rdfITripleVisitor.h" class nsIOutputStream; class nsIRDFContainerUtils; /** * A helper class that can serialize RDF/XML from a * datasource. Implements both nsIRDFXMLSerializer and * nsIRDFXMLSource. */ class nsRDFXMLSerializer : public nsIRDFXMLSerializer, public nsIRDFXMLSource { public: static nsresult Create(nsISupports* aOuter, REFNSIID aIID, void** aResult); NS_DECL_ISUPPORTS NS_DECL_NSIRDFXMLSERIALIZER NS_DECL_NSIRDFXMLSOURCE protected: nsRDFXMLSerializer(); virtual ~nsRDFXMLSerializer(); // Implementation methods nsresult RegisterQName(nsIRDFResource* aResource); nsresult GetQName(nsIRDFResource* aResource, nsCString& aQName); already_AddRefed<nsIAtom> EnsureNewPrefix(); nsresult SerializeInlineAssertion(nsIOutputStream* aStream, nsIRDFResource* aResource, nsIRDFResource* aProperty, nsIRDFLiteral* aValue); nsresult SerializeChildAssertion(nsIOutputStream* aStream, nsIRDFResource* aResource, nsIRDFResource* aProperty, nsIRDFNode* aValue); nsresult SerializeProperty(nsIOutputStream* aStream, nsIRDFResource* aResource, nsIRDFResource* aProperty, bool aInline, int32_t* aSkipped); bool IsContainerProperty(nsIRDFResource* aProperty); nsresult SerializeDescription(nsIOutputStream* aStream, nsIRDFResource* aResource); nsresult SerializeMember(nsIOutputStream* aStream, nsIRDFResource* aContainer, nsIRDFNode* aMember); nsresult SerializeContainer(nsIOutputStream* aStream, nsIRDFResource* aContainer); nsresult SerializePrologue(nsIOutputStream* aStream); nsresult SerializeEpilogue(nsIOutputStream* aStream); nsresult CollectNamespaces(); bool IsA(nsIRDFDataSource* aDataSource, nsIRDFResource* aResource, nsIRDFResource* aType); nsCOMPtr<nsIRDFDataSource> mDataSource; nsNameSpaceMap mNameSpaces; nsXPIDLCString mBaseURLSpec; // hash mapping resources to utf8-encoded QNames nsDataHashtable<nsISupportsHashKey, nsCString> mQNames; friend class QNameCollector; uint32_t mPrefixID; static int32_t gRefCnt; static nsIRDFResource* kRDF_instanceOf; static nsIRDFResource* kRDF_type; static nsIRDFResource* kRDF_nextVal; static nsIRDFResource* kRDF_Bag; static nsIRDFResource* kRDF_Seq; static nsIRDFResource* kRDF_Alt; static nsIRDFContainerUtils* gRDFC; }; #endif // nsRDFXMLSerializer_h__