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comparison: rdf/base/src/nsRDFXMLSerializer.h
rdf/base/src/nsRDFXMLSerializer.h
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef nsRDFXMLSerializer_h__ | |
| 8 #define nsRDFXMLSerializer_h__ | |
| 9 | |
| 10 #include "nsIRDFLiteral.h" | |
| 11 #include "nsIRDFXMLSerializer.h" | |
| 12 #include "nsIRDFXMLSource.h" | |
| 13 #include "nsNameSpaceMap.h" | |
| 14 #include "nsXPIDLString.h" | |
| 15 | |
| 16 #include "nsDataHashtable.h" | |
| 17 #include "rdfITripleVisitor.h" | |
| 18 | |
| 19 class nsString; | |
| 20 class nsIOutputStream; | |
| 21 class nsIRDFContainerUtils; | |
| 22 | |
| 23 /** | |
| 24 * A helper class that can serialize RDF/XML from a | |
| 25 * datasource. Implements both nsIRDFXMLSerializer and | |
| 26 * nsIRDFXMLSource. | |
| 27 */ | |
| 28 class nsRDFXMLSerializer : public nsIRDFXMLSerializer, | |
| 29 public nsIRDFXMLSource | |
| 30 { | |
| 31 public: | |
| 32 static nsresult | |
| 33 Create(nsISupports* aOuter, REFNSIID aIID, void** aResult); | |
| 34 | |
| 35 NS_DECL_ISUPPORTS | |
| 36 NS_DECL_NSIRDFXMLSERIALIZER | |
| 37 NS_DECL_NSIRDFXMLSOURCE | |
| 38 | |
| 39 protected: | |
| 40 nsRDFXMLSerializer(); | |
| 41 virtual ~nsRDFXMLSerializer(); | |
| 42 | |
| 43 // Implementation methods | |
| 44 nsresult | |
| 45 RegisterQName(nsIRDFResource* aResource); | |
| 46 nsresult | |
| 47 GetQName(nsIRDFResource* aResource, nsCString& aQName); | |
| 48 already_AddRefed<nsIAtom> | |
| 49 EnsureNewPrefix(); | |
| 50 | |
| 51 nsresult | |
| 52 SerializeInlineAssertion(nsIOutputStream* aStream, | |
| 53 nsIRDFResource* aResource, | |
| 54 nsIRDFResource* aProperty, | |
| 55 nsIRDFLiteral* aValue); | |
| 56 | |
| 57 nsresult | |
| 58 SerializeChildAssertion(nsIOutputStream* aStream, | |
| 59 nsIRDFResource* aResource, | |
| 60 nsIRDFResource* aProperty, | |
| 61 nsIRDFNode* aValue); | |
| 62 | |
| 63 nsresult | |
| 64 SerializeProperty(nsIOutputStream* aStream, | |
| 65 nsIRDFResource* aResource, | |
| 66 nsIRDFResource* aProperty, | |
| 67 bool aInline, | |
| 68 int32_t* aSkipped); | |
| 69 | |
| 70 bool | |
| 71 IsContainerProperty(nsIRDFResource* aProperty); | |
| 72 | |
| 73 nsresult | |
| 74 SerializeDescription(nsIOutputStream* aStream, | |
| 75 nsIRDFResource* aResource); | |
| 76 | |
| 77 nsresult | |
| 78 SerializeMember(nsIOutputStream* aStream, | |
| 79 nsIRDFResource* aContainer, | |
| 80 nsIRDFNode* aMember); | |
| 81 | |
| 82 nsresult | |
| 83 SerializeContainer(nsIOutputStream* aStream, | |
| 84 nsIRDFResource* aContainer); | |
| 85 | |
| 86 nsresult | |
| 87 SerializePrologue(nsIOutputStream* aStream); | |
| 88 | |
| 89 nsresult | |
| 90 SerializeEpilogue(nsIOutputStream* aStream); | |
| 91 | |
| 92 nsresult | |
| 93 CollectNamespaces(); | |
| 94 | |
| 95 bool | |
| 96 IsA(nsIRDFDataSource* aDataSource, nsIRDFResource* aResource, nsIRDFResource* aType); | |
| 97 | |
| 98 nsCOMPtr<nsIRDFDataSource> mDataSource; | |
| 99 nsNameSpaceMap mNameSpaces; | |
| 100 nsXPIDLCString mBaseURLSpec; | |
| 101 | |
| 102 // hash mapping resources to utf8-encoded QNames | |
| 103 nsDataHashtable<nsISupportsHashKey, nsCString> mQNames; | |
| 104 friend class QNameCollector; | |
| 105 | |
| 106 uint32_t mPrefixID; | |
| 107 | |
| 108 static int32_t gRefCnt; | |
| 109 static nsIRDFResource* kRDF_instanceOf; | |
| 110 static nsIRDFResource* kRDF_type; | |
| 111 static nsIRDFResource* kRDF_nextVal; | |
| 112 static nsIRDFResource* kRDF_Bag; | |
| 113 static nsIRDFResource* kRDF_Seq; | |
| 114 static nsIRDFResource* kRDF_Alt; | |
| 115 static nsIRDFContainerUtils* gRDFC; | |
| 116 }; | |
| 117 | |
| 118 #endif // nsRDFXMLSerializer_h__ |
