2 * Copyright 2001-2006 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * @file AttributeExtensibleXMLObject.h
20 * An XMLObject that supports arbitrary attributes
23 #if !defined(__xmltooling_attrextxmlobj_h__)
24 #define __xmltooling_attrextxmlobj_h__
26 #include <xmltooling/XMLObject.h>
28 using namespace xercesc;
30 #if defined (_MSC_VER)
31 #pragma warning( push )
32 #pragma warning( disable : 4250 4251 )
35 namespace xmltooling {
38 * An XMLObject that supports arbitrary attributes.
40 class XMLTOOL_API AttributeExtensibleXMLObject : public virtual XMLObject
43 AttributeExtensibleXMLObject() {}
46 virtual ~AttributeExtensibleXMLObject() {}
49 * Gets the value of an XML attribute of the object.
51 * @param qualifiedName qualified name of the attribute
52 * @return the attribute value, or NULL
54 virtual const XMLCh* getAttribute(const QName& qualifiedName) const=0;
57 * Sets (or clears) an XML attribute of the object.
59 * @param qualifiedName qualified name of the attribute
60 * @param value value to set, or NULL to clear
61 * @param ID true iff the attribute is an XML ID
63 virtual void setAttribute(const QName& qualifiedName, const XMLCh* value, bool ID=false)=0;
66 * Gets an immutable map of the extended XML attributes of the object.
68 * This set is not guaranteed to (and generally will not) include
69 * attributes defined directly on the object's "type".
71 virtual const std::map<QName,XMLCh*>& getExtensionAttributes() const=0;
74 * Gets an immutable list of all the ID attributes currently registered.
76 * @return list of all the ID attributes currently registered
78 static const std::set<QName>& getRegisteredIDAttributes() {
79 return m_idAttributeSet;
83 * Tests whether an XML attribute is registered as an XML ID.
85 * @return true iff the attribute name matches a registered XML ID attribute
87 static bool isRegisteredIDAttribute(const QName& name) {
88 return m_idAttributeSet.find(name)!=m_idAttributeSet.end();
92 * Registers a new attribute as being of XML ID type.
94 * @param name the qualified attribute name
96 static void registerIDAttribute(const QName& name) {
97 m_idAttributeSet.insert(name);
101 * Deregisters an ID attribute.
103 * @param name the qualified attribute name
105 static void deregisterIDAttribute(const QName& name) {
106 m_idAttributeSet.erase(name);
110 * Deregisters all ID attributes.
112 static void deregisterIDAttributes() {
113 m_idAttributeSet.clear();
117 /** Set of attributes to treat as XML IDs. */
118 static std::set<QName> m_idAttributeSet;
123 #if defined (_MSC_VER)
124 #pragma warning( pop )
127 #endif /* __xmltooling_attrextxmlobj_h__ */