*/\r
\r
#include "internal.h"\r
-#include "exceptions.h"\r
#include "AbstractDOMCachingXMLObject.h"\r
+#include "exceptions.h"\r
+#include "XMLObjectBuilder.h"\r
+#include "util/XMLHelper.h"\r
\r
#include <algorithm>\r
#include <functional>\r
m_document->release();\r
}\r
\r
-void AbstractDOMCachingXMLObject::setDOM(DOMElement* dom, bool bindDocument)\r
+void AbstractDOMCachingXMLObject::setDOM(DOMElement* dom, bool bindDocument) const\r
{\r
m_dom=dom;\r
if (dom) {\r
}\r
}\r
\r
-void AbstractDOMCachingXMLObject::releaseDOM()\r
+void AbstractDOMCachingXMLObject::releaseDOM() const\r
{\r
- Category& log=Category::getInstance(XMLTOOLING_LOGCAT".DOM");\r
- if (log.isDebugEnabled()) {\r
- string qname=getElementQName().toString();\r
- log.debug("releasing cached DOM representation for (%s)", qname.empty() ? "unknown" : qname.c_str());\r
+ if (m_dom) {\r
+ Category& log=Category::getInstance(XMLTOOLING_LOGCAT".DOM");\r
+ if (log.isDebugEnabled()) {\r
+ string qname=getElementQName().toString();\r
+ log.debug("releasing cached DOM representation for (%s)", qname.empty() ? "unknown" : qname.c_str());\r
+ }\r
+ setDOM(NULL);\r
}\r
- setDOM(NULL);\r
}\r
\r
-void AbstractDOMCachingXMLObject::releaseParentDOM(bool propagateRelease)\r
+void AbstractDOMCachingXMLObject::releaseParentDOM(bool propagateRelease) const\r
{\r
- DOMCachingXMLObject* domCachingParent = dynamic_cast<DOMCachingXMLObject*>(getParent());\r
- if (domCachingParent) {\r
+ if (getParent() && getParent()->getDOM()) {\r
Category::getInstance(XMLTOOLING_LOGCAT".DOM").debug(\r
"releasing cached DOM representation for parent object with propagation set to %s",\r
propagateRelease ? "true" : "false"\r
);\r
- domCachingParent->releaseDOM();\r
+ getParent()->releaseDOM();\r
if (propagateRelease)\r
- domCachingParent->releaseParentDOM(propagateRelease);\r
+ getParent()->releaseParentDOM(propagateRelease);\r
}\r
}\r
\r
class _release : public binary_function<XMLObject*,bool,void> {\r
public:\r
void operator()(XMLObject* obj, bool propagate) const {\r
- DOMCachingXMLObject* domCaching = dynamic_cast<DOMCachingXMLObject*>(obj);\r
- if (domCaching) {\r
- domCaching->releaseDOM();\r
+ if (obj) {\r
+ obj->releaseDOM();\r
if (propagate)\r
- domCaching->releaseChildrenDOM(propagate);\r
+ obj->releaseChildrenDOM(propagate);\r
}\r
}\r
};\r
\r
-void AbstractDOMCachingXMLObject::releaseChildrenDOM(bool propagateRelease)\r
+void AbstractDOMCachingXMLObject::releaseChildrenDOM(bool propagateRelease) const\r
{\r
- vector<XMLObject*> children;\r
- if (getOrderedChildren(children)) {\r
+ if (hasChildren()) {\r
Category::getInstance(XMLTOOLING_LOGCAT".DOM").debug(\r
"releasing cached DOM representation for children with propagation set to %s",\r
propagateRelease ? "true" : "false"\r
);\r
- for_each(children.begin(),children.end(),bind2nd(_release(),propagateRelease));\r
+ for_each(m_children.begin(),m_children.end(),bind2nd(_release(),propagateRelease));\r
}\r
}\r
\r
-XMLObject* AbstractDOMCachingXMLObject::prepareForAssignment(const XMLObject* oldValue, XMLObject* newValue) {\r
-\r
- if (newValue && newValue->hasParent())\r
- throw XMLObjectException("Child XMLObject cannot be added - it is already the child of another XMLObject");\r
+DOMElement* AbstractDOMCachingXMLObject::cloneDOM(DOMDocument* doc) const\r
+{\r
+ if (getDOM()) {\r
+ if (!doc)\r
+ doc=DOMImplementationRegistry::getDOMImplementation(NULL)->createDocument();\r
+ return static_cast<DOMElement*>(doc->importNode(getDOM(),true));\r
+ }\r
+ return NULL;\r
+}\r
\r
- if (!oldValue) {\r
- if (newValue) {\r
- releaseThisandParentDOM();\r
- newValue->setParent(this);\r
- return newValue;\r
+XMLObject* AbstractDOMCachingXMLObject::clone() const\r
+{\r
+ // See if we can clone via the DOM.\r
+ DOMElement* domCopy=cloneDOM();\r
+ if (domCopy) {\r
+ // Seemed to work, so now we unmarshall the DOM to produce the clone.\r
+ const XMLObjectBuilder* b=XMLObjectBuilder::getBuilder(domCopy);\r
+ if (!b) {\r
+ auto_ptr<QName> q(XMLHelper::getNodeQName(domCopy));\r
+ Category::getInstance(XMLTOOLING_LOGCAT".DOM").error(\r
+ "DOM clone failed, unable to locate builder for element (%s)", q->toString().c_str()\r
+ );\r
+ domCopy->getOwnerDocument()->release();\r
+ throw UnmarshallingException("Unable to locate builder for cloned element.");\r
}\r
- else {\r
- return NULL;\r
+ try {\r
+ return b->buildFromElement(domCopy,true); // bind document\r
+ }\r
+ catch (...) {\r
+ domCopy->getOwnerDocument()->release();\r
+ throw;\r
}\r
}\r
-\r
- if (oldValue != newValue) {\r
- delete oldValue;\r
- releaseThisandParentDOM();\r
- newValue->setParent(this);\r
- }\r
-\r
- return newValue;\r
+ return NULL;\r
}\r