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