/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* 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 .
*/
#include "attr.hxx"
#include <string.h>
#include <memory>
#include <libxml/entities.h>
#include <osl/diagnose.h>
#include <sal/log.hxx>
#include <com/sun/star/xml/dom/events/XMutationEvent.hpp>
#include "document.hxx"
using namespace css::uno;
using namespace css::xml::dom;
using namespace css::xml::dom::events;
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_oNamespace)
{
return nullptr;
}
xmlChar const *const pUri(reinterpret_cast <xmlChar const *>(
m_oNamespace->first.getStr()));
xmlChar const *const pPrefix(reinterpret_cast <xmlChar const *>(
m_oNamespace->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) {
SAL_WARN("unoxml" , "CAttr: cannot create namespace" );
}
return pNs;
}
bool CAttr::IsChildTypeAllowed(NodeType const nodeType, NodeType const *const )
{
switch (nodeType) {
case NodeType_TEXT_NODE:
case NodeType_ENTITY_REFERENCE_NODE:
return true ;
default :
return false ;
}
}
OUString SAL_CALL CAttr::getNodeName()
{
return getName();
}
OUString SAL_CALL CAttr::getNodeValue()
{
return getValue();
}
OUString SAL_CALL CAttr::getLocalName()
{
return getName();
}
/**
Returns the name of this attribute .
*/
OUString SAL_CALL CAttr::getName()
{
::osl::MutexGuard const g(m_rMutex);
if ((nullptr == m_aNodePtr) || (nullptr == m_aAttrPtr)) {
return OUString();
}
OUString const aName(reinterpret_cast <char const *>(m_aAttrPtr->name),
strlen(reinterpret_cast <char const *>(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()
{
::osl::MutexGuard const g(m_rMutex);
if ((nullptr == m_aNodePtr) || (nullptr == m_aAttrPtr)) {
return nullptr;
}
if (nullptr == m_aAttrPtr->parent) {
return nullptr;
}
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()
{
// FIXME if this DOM implementation supported DTDs it would need
// to check that this attribute is not default or something
return true ;
}
/**
On retrieval , the value of the attribute is returned as a string .
*/
OUString SAL_CALL CAttr::getValue()
{
::osl::MutexGuard const g(m_rMutex);
if ((nullptr == m_aNodePtr) || (nullptr == m_aAttrPtr)) {
return OUString();
}
if (nullptr == m_aAttrPtr->children) {
return OUString();
}
char const *const pContent(reinterpret_cast <char const *>(m_aAttrPtr->children->content));
return OUString(pContent, strlen(pContent), RTL_TEXTENCODING_UTF8);
}
/**
Sets the value of the attribute from a string .
*/
void SAL_CALL CAttr::setValue(const OUString& value)
{
::osl::ClearableMutexGuard guard(m_rMutex);
if ((nullptr == m_aNodePtr) || (nullptr == m_aAttrPtr)) {
return ;
}
// remember old value (for mutation event)
OUString sOldValue = getValue();
OString o1 = OUStringToOString(value, RTL_TEXTENCODING_UTF8);
xmlChar const * pValue = reinterpret_cast <xmlChar const *>(o1.getStr());
// this does not work if the attribute was created anew
// xmlNodePtr pNode = m_aAttrPtr->parent;
// xmlSetProp(pNode, m_aAttrPtr->name, pValue);
std::shared_ptr<xmlChar const > const buffer(
xmlEncodeEntitiesReentrant(m_aAttrPtr->doc, pValue), xmlFree);
xmlFreeNodeList(m_aAttrPtr->children);
m_aAttrPtr->children =
xmlStringGetNodeList(m_aAttrPtr->doc, buffer.get());
xmlNodePtr tmp = m_aAttrPtr->children;
while (tmp != nullptr) {
tmp->parent = m_aNodePtr;
tmp->doc = m_aAttrPtr->doc;
if (tmp->next == nullptr)
m_aNodePtr->last = tmp;
tmp = tmp->next;
}
// dispatch DOM events to signal change in attribute value
// dispatch DomAttrModified + DOMSubtreeModified
OUString sEventName( u"DOMAttrModified" _ustr );
Reference< XDocumentEvent > docevent(getOwnerDocument(), UNO_QUERY);
Reference< XMutationEvent > event(docevent->createEvent(sEventName),UNO_QUERY);
event->initMutationEvent(
sEventName, true , false ,
Reference<XNode>( static_cast <XAttr*>( this ) ),
sOldValue, value, getName(), AttrChangeType_MODIFICATION );
guard.clear(); // release mutex before calling event handlers
dispatchEvent(event);
dispatchSubtreeModified();
}
void SAL_CALL CAttr::setPrefix(const OUString& prefix)
{
::osl::MutexGuard const g(m_rMutex);
if (!m_aNodePtr) { return ; }
if (m_oNamespace)
{
OSL_ASSERT(!m_aNodePtr->parent);
m_oNamespace->second =
OUStringToOString(prefix, RTL_TEXTENCODING_UTF8);
}
else
{
CNode::setPrefix(prefix);
}
}
OUString SAL_CALL CAttr::getPrefix()
{
::osl::MutexGuard const g(m_rMutex);
if (!m_aNodePtr) { return OUString(); }
if (m_oNamespace)
{
OSL_ASSERT(!m_aNodePtr->parent);
OUString const ret(OStringToOUString(
m_oNamespace->second, RTL_TEXTENCODING_UTF8));
return ret;
}
else
{
return CNode::getPrefix();
}
}
OUString SAL_CALL CAttr::getNamespaceURI()
{
::osl::MutexGuard const g(m_rMutex);
if (!m_aNodePtr) { return OUString(); }
if (m_oNamespace)
{
OSL_ASSERT(!m_aNodePtr->parent);
OUString const ret(OStringToOUString(
m_oNamespace->first, RTL_TEXTENCODING_UTF8));
return ret;
}
else
{
return CNode::getNamespaceURI();
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=94 H=91 G=92
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-09-28)
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