The Tor Browser: rdf/base/src/nsRDFXMLSerializer.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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/. */

     7 #ifndef nsRDFXMLSerializer_h__

     8 #define nsRDFXMLSerializer_h__

    10 #include "nsIRDFLiteral.h"

    11 #include "nsIRDFXMLSerializer.h"

    12 #include "nsIRDFXMLSource.h"

    13 #include "nsNameSpaceMap.h"

    14 #include "nsXPIDLString.h"

    16 #include "nsDataHashtable.h"

    17 #include "rdfITripleVisitor.h"

    19 class nsString;

    20 class nsIOutputStream;

    21 class nsIRDFContainerUtils;

    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);

    35     NS_DECL_ISUPPORTS

    36     NS_DECL_NSIRDFXMLSERIALIZER

    37     NS_DECL_NSIRDFXMLSOURCE

    39 protected:

    40     nsRDFXMLSerializer();

    41     virtual ~nsRDFXMLSerializer();

    43     // Implementation methods

    44     nsresult

    45     RegisterQName(nsIRDFResource* aResource);

    46     nsresult

    47     GetQName(nsIRDFResource* aResource, nsCString& aQName);

    48     already_AddRefed<nsIAtom>

    49     EnsureNewPrefix();

    51     nsresult

    52     SerializeInlineAssertion(nsIOutputStream* aStream,

    53                              nsIRDFResource* aResource,

    54                              nsIRDFResource* aProperty,

    55                              nsIRDFLiteral* aValue);

    57     nsresult

    58     SerializeChildAssertion(nsIOutputStream* aStream,

    59                             nsIRDFResource* aResource,

    60                             nsIRDFResource* aProperty,

    61                             nsIRDFNode* aValue);

    63     nsresult

    64     SerializeProperty(nsIOutputStream* aStream,

    65                       nsIRDFResource* aResource,

    66                       nsIRDFResource* aProperty,

    67                       bool aInline,

    68                       int32_t* aSkipped);

    70     bool

    71     IsContainerProperty(nsIRDFResource* aProperty);

    73     nsresult

    74     SerializeDescription(nsIOutputStream* aStream,

    75                          nsIRDFResource* aResource);

    77     nsresult

    78     SerializeMember(nsIOutputStream* aStream,

    79                     nsIRDFResource* aContainer,

    80                     nsIRDFNode* aMember);

    82     nsresult

    83     SerializeContainer(nsIOutputStream* aStream,

    84                        nsIRDFResource* aContainer);

    86     nsresult

    87     SerializePrologue(nsIOutputStream* aStream);

    89     nsresult

    90     SerializeEpilogue(nsIOutputStream* aStream);

    92     nsresult

    93     CollectNamespaces();

    95     bool

    96     IsA(nsIRDFDataSource* aDataSource, nsIRDFResource* aResource, nsIRDFResource* aType);

    98     nsCOMPtr<nsIRDFDataSource> mDataSource;

    99     nsNameSpaceMap mNameSpaces;

   100     nsXPIDLCString mBaseURLSpec;

   102     // hash mapping resources to utf8-encoded QNames

   103     nsDataHashtable<nsISupportsHashKey, nsCString> mQNames;

   104     friend class QNameCollector;

   106     uint32_t mPrefixID;

   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 };

   118 #endif // nsRDFXMLSerializer_h__

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