2 * Copyright 2001-2010 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 * AbstractXMLObject.cpp
20 * An abstract implementation of XMLObject.
24 #include "exceptions.h"
25 #include "AbstractXMLObject.h"
26 #include "util/DateTime.h"
30 using namespace xmltooling;
33 using xercesc::XMLString;
35 XMLObject::XMLObject()
39 XMLObject::~XMLObject()
43 void XMLObject::releaseThisandParentDOM() const
46 releaseParentDOM(true);
49 void XMLObject::releaseThisAndChildrenDOM() const
51 releaseChildrenDOM(true);
55 AbstractXMLObject::AbstractXMLObject(const XMLCh* nsURI, const XMLCh* localName, const XMLCh* prefix, const QName* schemaType)
56 : m_log(logging::Category::getInstance(XMLTOOLING_LOGCAT".XMLObject")),
57 m_schemaLocation(nullptr), m_noNamespaceSchemaLocation(nullptr), m_nil(xmlconstants::XML_BOOL_NULL),
58 m_parent(nullptr), m_elementQname(nsURI, localName, prefix), m_typeQname(nullptr)
60 addNamespace(Namespace(nsURI, prefix, false, Namespace::VisiblyUsed));
62 m_typeQname = new QName(*schemaType);
63 addNamespace(Namespace(m_typeQname->getNamespaceURI(), m_typeQname->getPrefix(), false, Namespace::NonVisiblyUsed));
67 AbstractXMLObject::AbstractXMLObject(const AbstractXMLObject& src)
68 : m_namespaces(src.m_namespaces), m_log(src.m_log), m_schemaLocation(XMLString::replicate(src.m_schemaLocation)),
69 m_noNamespaceSchemaLocation(XMLString::replicate(src.m_noNamespaceSchemaLocation)), m_nil(src.m_nil),
70 m_parent(nullptr), m_elementQname(src.m_elementQname), m_typeQname(nullptr)
73 m_typeQname=new QName(*src.m_typeQname);
76 AbstractXMLObject::~AbstractXMLObject()
79 xercesc::XMLString::release(&m_schemaLocation);
80 xercesc::XMLString::release(&m_noNamespaceSchemaLocation);
83 void AbstractXMLObject::detach()
87 else if (getParent()->hasParent())
88 throw XMLObjectException("Cannot detach an object whose parent is itself a child.");
90 // Pull ourselves out of the parent and then blast him.
91 getParent()->removeChild(this);
96 const QName& AbstractXMLObject::getElementQName() const
98 return m_elementQname;
101 const set<Namespace>& AbstractXMLObject::getNamespaces() const
106 void XMLObject::setNil(const XMLCh* value)
110 case xercesc::chLatin_t:
111 nil(xmlconstants::XML_BOOL_TRUE);
113 case xercesc::chLatin_f:
114 nil(xmlconstants::XML_BOOL_FALSE);
116 case xercesc::chDigit_1:
117 nil(xmlconstants::XML_BOOL_ONE);
119 case xercesc::chDigit_0:
120 nil(xmlconstants::XML_BOOL_ZERO);
123 nil(xmlconstants::XML_BOOL_NULL);
127 nil(xmlconstants::XML_BOOL_NULL);
131 void AbstractXMLObject::addNamespace(const Namespace& ns) const
133 for (set<Namespace>::const_iterator n = m_namespaces.begin(); n != m_namespaces.end(); ++n) {
134 // Look for the prefix in the existing set.
135 if (XMLString::equals(ns.getNamespacePrefix(), n->getNamespacePrefix())) {
136 // See if it's the same declaration, and overlay various properties if so.
137 if (XMLString::equals(ns.getNamespaceURI(), n->getNamespaceURI())) {
138 if (ns.alwaysDeclare())
139 const_cast<Namespace&>(*n).setAlwaysDeclare(true);
140 switch (ns.usage()) {
141 case Namespace::Indeterminate:
143 case Namespace::VisiblyUsed:
144 const_cast<Namespace&>(*n).setUsage(Namespace::VisiblyUsed);
146 case Namespace::NonVisiblyUsed:
147 if (n->usage() == Namespace::Indeterminate)
148 const_cast<Namespace&>(*n).setUsage(Namespace::NonVisiblyUsed);
156 // If the prefix is now, go ahead and add it.
157 m_namespaces.insert(ns);
160 void AbstractXMLObject::removeNamespace(const Namespace& ns)
162 m_namespaces.erase(ns);
165 const QName* AbstractXMLObject::getSchemaType() const
170 const XMLCh* AbstractXMLObject::getXMLID() const
175 xmlconstants::xmltooling_bool_t AbstractXMLObject::getNil() const
180 void AbstractXMLObject::nil(xmlconstants::xmltooling_bool_t value)
182 if (m_nil != value) {
183 releaseThisandParentDOM();
188 bool AbstractXMLObject::hasParent() const
190 return m_parent != nullptr;
193 XMLObject* AbstractXMLObject::getParent() const
198 void AbstractXMLObject::setParent(XMLObject* parent)
203 XMLCh* AbstractXMLObject::prepareForAssignment(XMLCh* oldValue, const XMLCh* newValue)
205 if (!XMLString::equals(oldValue,newValue)) {
206 releaseThisandParentDOM();
207 XMLCh* newString = XMLString::replicate(newValue);
208 XMLString::release(&oldValue);
214 QName* AbstractXMLObject::prepareForAssignment(QName* oldValue, const QName* newValue)
218 releaseThisandParentDOM();
219 addNamespace(Namespace(newValue->getNamespaceURI(), newValue->getPrefix(), false, Namespace::NonVisiblyUsed));
220 return new QName(*newValue);
226 releaseThisandParentDOM();
228 // Attach a non-visibly used namespace.
229 addNamespace(Namespace(newValue->getNamespaceURI(), newValue->getPrefix(), false, Namespace::NonVisiblyUsed));
230 return new QName(*newValue);
235 DateTime* AbstractXMLObject::prepareForAssignment(DateTime* oldValue, const DateTime* newValue)
239 releaseThisandParentDOM();
240 return new DateTime(*newValue);
246 releaseThisandParentDOM();
247 return newValue ? new DateTime(*newValue) : nullptr;
250 DateTime* AbstractXMLObject::prepareForAssignment(DateTime* oldValue, time_t newValue, bool duration)
253 releaseThisandParentDOM();
254 DateTime* ret = new DateTime(newValue, duration);
256 ret->parseDuration();
258 ret->parseDateTime();
262 DateTime* AbstractXMLObject::prepareForAssignment(DateTime* oldValue, const XMLCh* newValue, bool duration)
265 releaseThisandParentDOM();
266 if (!newValue || !*newValue)
268 DateTime* ret = new DateTime(newValue);
270 ret->parseDuration();
272 ret->parseDateTime();
276 XMLObject* AbstractXMLObject::prepareForAssignment(XMLObject* oldValue, XMLObject* newValue)
278 if (newValue && newValue->hasParent())
279 throw XMLObjectException("child XMLObject cannot be added - it is already the child of another XMLObject");
283 releaseThisandParentDOM();
284 newValue->setParent(this);
289 if (oldValue != newValue) {
291 releaseThisandParentDOM();
293 newValue->setParent(this);