2 * Copyright 2001-2006 Internet2
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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8 * http://www.apache.org/licenses/LICENSE-2.0
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10 * Unless required by applicable law or agreed to in writing, software
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 * See the License for the specific language governing permissions and
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14 * limitations under the License.
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18 * AbstractDOMCachingXMLObject.cpp
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20 * Extension of AbstractXMLObject that implements a DOMCachingXMLObject.
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23 #include "internal.h"
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24 #include "exceptions.h"
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25 #include "AbstractDOMCachingXMLObject.h"
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27 #include <algorithm>
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28 #include <functional>
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29 #include <log4cpp/Category.hh>
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31 using namespace xmltooling;
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32 using namespace log4cpp;
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33 using namespace std;
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35 AbstractDOMCachingXMLObject::~AbstractDOMCachingXMLObject()
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38 m_document->release();
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41 void AbstractDOMCachingXMLObject::setDOM(DOMElement* dom, bool bindDocument)
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46 DOMDocument* tmp=setDocument(dom->getOwnerDocument());
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51 else if (m_document) {
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52 m_document->release();
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57 void AbstractDOMCachingXMLObject::releaseDOM()
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59 Category& log=Category::getInstance(XMLTOOLING_LOGCAT".DOM");
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60 if (log.isDebugEnabled()) {
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61 string qname=getElementQName().toString();
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62 log.debug("releasing cached DOM representation for (%s)", qname.empty() ? "unknown" : qname.c_str());
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67 void AbstractDOMCachingXMLObject::releaseParentDOM(bool propagateRelease)
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69 DOMCachingXMLObject* domCachingParent = dynamic_cast<DOMCachingXMLObject*>(getParent());
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70 if (domCachingParent) {
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71 Category::getInstance(XMLTOOLING_LOGCAT".DOM").debug(
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72 "releasing cached DOM representation for parent object with propagation set to %s",
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73 propagateRelease ? "true" : "false"
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75 domCachingParent->releaseDOM();
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76 if (propagateRelease)
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77 domCachingParent->releaseParentDOM(propagateRelease);
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81 class _release : public binary_function<XMLObject*,bool,void> {
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83 void operator()(XMLObject* obj, bool propagate) const {
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84 DOMCachingXMLObject* domCaching = dynamic_cast<DOMCachingXMLObject*>(obj);
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86 domCaching->releaseDOM();
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88 domCaching->releaseChildrenDOM(propagate);
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93 void AbstractDOMCachingXMLObject::releaseChildrenDOM(bool propagateRelease)
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95 vector<XMLObject*> children;
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96 if (getOrderedChildren(children)) {
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97 Category::getInstance(XMLTOOLING_LOGCAT".DOM").debug(
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98 "releasing cached DOM representation for children with propagation set to %s",
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99 propagateRelease ? "true" : "false"
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101 for_each(children.begin(),children.end(),bind2nd(_release(),propagateRelease));
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105 XMLObject* AbstractDOMCachingXMLObject::prepareForAssignment(const XMLObject* oldValue, XMLObject* newValue) {
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107 if (newValue && newValue->hasParent())
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108 throw XMLObjectException("Child XMLObject cannot be added - it is already the child of another XMLObject");
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112 releaseThisandParentDOM();
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113 newValue->setParent(this);
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121 if (oldValue != newValue) {
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123 releaseThisandParentDOM();
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124 newValue->setParent(this);
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