| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #include <attr.hxx> |
| |
| #include <string.h> |
| |
| #include <boost/shared_ptr.hpp> |
| |
| #include <com/sun/star/xml/dom/DOMException.hdl> |
| #include <com/sun/star/xml/dom/events/XMutationEvent.hpp> |
| |
| #include <document.hxx> |
| |
| |
| namespace DOM |
| { |
| CAttr::CAttr(CDocument const& rDocument, ::osl::Mutex const& rMutex, |
| xmlAttrPtr const pAttr) |
| : CAttr_Base(rDocument, rMutex, |
| NodeType_ATTRIBUTE_NODE, reinterpret_cast<xmlNodePtr>(pAttr)) |
| , m_aAttrPtr(pAttr) |
| { |
| } |
| |
| xmlNsPtr CAttr::GetNamespace(xmlNodePtr const pNode) |
| { |
| if (!m_pNamespace.get()) { |
| return 0; |
| } |
| xmlChar const*const pUri(reinterpret_cast<xmlChar const*>( |
| m_pNamespace->first.getStr())); |
| xmlChar const*const pPrefix(reinterpret_cast<xmlChar const*>( |
| m_pNamespace->second.getStr())); |
| xmlNsPtr pNs = xmlSearchNs(pNode->doc, pNode, pPrefix); |
| if (pNs && (0 != xmlStrcmp(pNs->href, pUri))) { |
| return pNs; |
| } |
| pNs = xmlNewNs(pNode, pUri, pPrefix); |
| if (pNs) { |
| return pNs; |
| } |
| pNs = xmlSearchNsByHref(pNode->doc, pNode, pUri); |
| // if (!pNs) hmm... now what? throw? |
| if (!pNs) { OSL_TRACE("CAtttr: cannot create namespace"); } |
| return pNs; |
| } |
| |
| bool CAttr::IsChildTypeAllowed(NodeType const nodeType) |
| { |
| switch (nodeType) { |
| case NodeType_TEXT_NODE: |
| case NodeType_ENTITY_REFERENCE_NODE: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| OUString SAL_CALL CAttr::getNodeName() |
| throw (RuntimeException) |
| { |
| return getName(); |
| } |
| OUString SAL_CALL CAttr::getNodeValue() |
| throw (RuntimeException) |
| { |
| return getValue(); |
| } |
| OUString SAL_CALL CAttr::getLocalName() |
| throw (RuntimeException) |
| { |
| return getName(); |
| } |
| |
| |
| /** |
| Returns the name of this attribute. |
| */ |
| OUString SAL_CALL CAttr::getName() throw (RuntimeException) |
| { |
| ::osl::MutexGuard const g(m_rMutex); |
| |
| if ((0 == m_aNodePtr) || (0 == m_aAttrPtr)) { |
| return ::rtl::OUString(); |
| } |
| OUString const aName((char*)m_aAttrPtr->name, |
| strlen((char*)m_aAttrPtr->name), RTL_TEXTENCODING_UTF8); |
| return aName; |
| } |
| |
| /** |
| The Element node this attribute is attached to or null if this |
| attribute is not in use. |
| */ |
| Reference< XElement > SAL_CALL CAttr::getOwnerElement() |
| throw (RuntimeException) |
| { |
| ::osl::MutexGuard const g(m_rMutex); |
| |
| if ((0 == m_aNodePtr) || (0 == m_aAttrPtr)) { |
| return 0; |
| } |
| if (0 == m_aAttrPtr->parent) { |
| return 0; |
| } |
| Reference< XElement > const xRet( |
| static_cast< XNode* >(GetOwnerDocument().GetCNode( |
| m_aAttrPtr->parent).get()), |
| UNO_QUERY_THROW); |
| return xRet; |
| } |
| |
| /** |
| If this attribute was explicitly given a value in the original |
| document, this is true; otherwise, it is false. |
| */ |
| sal_Bool SAL_CALL CAttr::getSpecified() |
| throw (RuntimeException) |
| { |
| // FIXME if this DOM implemenatation supported DTDs it would need |
| // to check that this attribute is not default or something |
| return sal_True; |
| } |
| |
| /** |
| On retrieval, the value of the attribute is returned as a string. |
| */ |
| OUString SAL_CALL CAttr::getValue() |
| throw (RuntimeException) |
| { |
| ::osl::MutexGuard const g(m_rMutex); |
| |
| if ((0 == m_aNodePtr) || (0 == m_aAttrPtr)) { |
| return ::rtl::OUString(); |
| } |
| if (0 == m_aAttrPtr->children) { |
| return ::rtl::OUString(); |
| } |
| char const*const pContent((m_aAttrPtr->children) |
| ? reinterpret_cast<char const*>(m_aAttrPtr->children->content) |
| : ""); |
| OUString const ret(pContent, strlen(pContent), RTL_TEXTENCODING_UTF8); |
| return ret; |
| } |
| |
| /** |
| Sets the value of the attribute from a string. |
| */ |
| void SAL_CALL CAttr::setValue(const OUString& value) |
| throw (RuntimeException, DOMException) |
| { |
| ::osl::ClearableMutexGuard guard(m_rMutex); |
| |
| if ((0 == m_aNodePtr) || (0 == m_aAttrPtr)) { |
| return; |
| } |
| |
| // remember old value (for mutation event) |
| OUString sOldValue = getValue(); |
| |
| OString o1 = OUStringToOString(value, RTL_TEXTENCODING_UTF8); |
| xmlChar* xValue = (xmlChar*)o1.getStr(); |
| // xmlChar* xName = OUStringToOString(m_aAttrPtr->name, RTL_TEXTENCODING_UTF8).getStr(); |
| // this does not work if the attribute was created anew |
| // xmlNodePtr pNode = m_aAttrPtr->parent; |
| // xmlSetProp(pNode, m_aAttrPtr->name, xValue); |
| ::boost::shared_ptr<xmlChar const> const buffer( |
| xmlEncodeEntitiesReentrant(m_aAttrPtr->doc, xValue), xmlFree); |
| xmlFreeNodeList(m_aAttrPtr->children); |
| m_aAttrPtr->children = |
| xmlStringGetNodeList(m_aAttrPtr->doc, buffer.get()); |
| xmlNodePtr tmp = m_aAttrPtr->children; |
| while (tmp != NULL) { |
| tmp->parent = (xmlNodePtr) m_aNodePtr; |
| tmp->doc = m_aAttrPtr->doc; |
| if (tmp->next == NULL) |
| m_aNodePtr->last = tmp; |
| tmp = tmp->next; |
| } |
| |
| // dispatch DOM events to signal change in attribute value |
| // dispatch DomAttrModified + DOMSubtreeModified |
| OUString sEventName( RTL_CONSTASCII_USTRINGPARAM("DOMAttrModified") ); |
| Reference< XDocumentEvent > docevent(getOwnerDocument(), UNO_QUERY); |
| Reference< XMutationEvent > event(docevent->createEvent(sEventName),UNO_QUERY); |
| event->initMutationEvent( |
| sEventName, sal_True, sal_False, |
| Reference<XNode>( static_cast<XAttr*>( this ) ), |
| sOldValue, value, getName(), AttrChangeType_MODIFICATION ); |
| |
| guard.clear(); // release mutex before calling event handlers |
| |
| dispatchEvent(Reference< XEvent >(event, UNO_QUERY)); |
| dispatchSubtreeModified(); |
| } |
| |
| void SAL_CALL CAttr::setPrefix(const OUString& prefix) |
| throw (RuntimeException, DOMException) |
| { |
| ::osl::MutexGuard const g(m_rMutex); |
| |
| if (!m_aNodePtr) { return; } |
| |
| if (m_pNamespace.get()) { |
| OSL_ASSERT(!m_aNodePtr->parent); |
| m_pNamespace->second = |
| OUStringToOString(prefix, RTL_TEXTENCODING_UTF8); |
| } else { |
| CNode::setPrefix(prefix); |
| } |
| } |
| |
| OUString SAL_CALL CAttr::getPrefix() |
| throw (RuntimeException) |
| { |
| ::osl::MutexGuard const g(m_rMutex); |
| |
| if (!m_aNodePtr) { return ::rtl::OUString(); } |
| |
| if (m_pNamespace.get()) { |
| OSL_ASSERT(!m_aNodePtr->parent); |
| OUString const ret(::rtl::OStringToOUString( |
| m_pNamespace->second, RTL_TEXTENCODING_UTF8)); |
| return ret; |
| } else { |
| return CNode::getPrefix(); |
| } |
| } |
| |
| OUString SAL_CALL CAttr::getNamespaceURI() |
| throw (RuntimeException) |
| { |
| ::osl::MutexGuard const g(m_rMutex); |
| |
| if (!m_aNodePtr) { return ::rtl::OUString(); } |
| |
| if (m_pNamespace.get()) { |
| OSL_ASSERT(!m_aNodePtr->parent); |
| OUString const ret(::rtl::OStringToOUString( |
| m_pNamespace->first, RTL_TEXTENCODING_UTF8)); |
| return ret; |
| } else { |
| return CNode::getNamespaceURI(); |
| } |
| } |
| } |
