c8f7408db7
Seen in a fedora:40 container, using --with-system-libcmis, --with-system-liblangtag and --with-system-xmlsec. Change-Id: I9d748d3dc0b70dbfdfcb6b99c9ce8440bda6f326 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/159980 Tested-by: Jenkins Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
269 lines
8 KiB
C++
269 lines
8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "attr.hxx"
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#include <string.h>
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#include <memory>
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#include <libxml/entities.h>
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#include <osl/diagnose.h>
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#include <sal/log.hxx>
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#include <com/sun/star/xml/dom/events/XMutationEvent.hpp>
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#include "document.hxx"
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using namespace css::uno;
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using namespace css::xml::dom;
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using namespace css::xml::dom::events;
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namespace DOM
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{
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CAttr::CAttr(CDocument const& rDocument, ::osl::Mutex const& rMutex,
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xmlAttrPtr const pAttr)
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: CAttr_Base(rDocument, rMutex,
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NodeType_ATTRIBUTE_NODE, reinterpret_cast<xmlNodePtr>(pAttr))
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, m_aAttrPtr(pAttr)
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{
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}
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xmlNsPtr CAttr::GetNamespace(xmlNodePtr const pNode)
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{
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if (!m_oNamespace)
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{
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return nullptr;
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}
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xmlChar const*const pUri(reinterpret_cast<xmlChar const*>(
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m_oNamespace->first.getStr()));
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xmlChar const*const pPrefix(reinterpret_cast<xmlChar const*>(
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m_oNamespace->second.getStr()));
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xmlNsPtr pNs = xmlSearchNs(pNode->doc, pNode, pPrefix);
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if (pNs && (0 != xmlStrcmp(pNs->href, pUri))) {
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return pNs;
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}
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pNs = xmlNewNs(pNode, pUri, pPrefix);
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if (pNs) {
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return pNs;
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}
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pNs = xmlSearchNsByHref(pNode->doc, pNode, pUri);
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// if (!pNs) hmm... now what? throw?
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if (!pNs) {
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SAL_WARN("unoxml", "CAttr: cannot create namespace");
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}
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return pNs;
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}
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bool CAttr::IsChildTypeAllowed(NodeType const nodeType, NodeType const*const)
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{
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switch (nodeType) {
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case NodeType_TEXT_NODE:
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case NodeType_ENTITY_REFERENCE_NODE:
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return true;
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default:
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return false;
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}
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}
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OUString SAL_CALL CAttr::getNodeName()
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{
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return getName();
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}
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OUString SAL_CALL CAttr::getNodeValue()
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{
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return getValue();
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}
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OUString SAL_CALL CAttr::getLocalName()
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{
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return getName();
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}
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/**
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Returns the name of this attribute.
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*/
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OUString SAL_CALL CAttr::getName()
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{
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::osl::MutexGuard const g(m_rMutex);
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if ((nullptr == m_aNodePtr) || (nullptr == m_aAttrPtr)) {
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return OUString();
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}
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OUString const aName(reinterpret_cast<char const *>(m_aAttrPtr->name),
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strlen(reinterpret_cast<char const *>(m_aAttrPtr->name)), RTL_TEXTENCODING_UTF8);
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return aName;
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}
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/**
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The Element node this attribute is attached to or null if this
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attribute is not in use.
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*/
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Reference< XElement > SAL_CALL CAttr::getOwnerElement()
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{
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::osl::MutexGuard const g(m_rMutex);
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if ((nullptr == m_aNodePtr) || (nullptr == m_aAttrPtr)) {
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return nullptr;
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}
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if (nullptr == m_aAttrPtr->parent) {
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return nullptr;
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}
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Reference< XElement > const xRet(
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static_cast< XNode* >(GetOwnerDocument().GetCNode(
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m_aAttrPtr->parent).get()),
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UNO_QUERY_THROW);
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return xRet;
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}
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/**
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If this attribute was explicitly given a value in the original
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document, this is true; otherwise, it is false.
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*/
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sal_Bool SAL_CALL CAttr::getSpecified()
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{
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// FIXME if this DOM implementation supported DTDs it would need
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// to check that this attribute is not default or something
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return true;
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}
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/**
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On retrieval, the value of the attribute is returned as a string.
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*/
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OUString SAL_CALL CAttr::getValue()
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{
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::osl::MutexGuard const g(m_rMutex);
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if ((nullptr == m_aNodePtr) || (nullptr == m_aAttrPtr)) {
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return OUString();
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}
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if (nullptr == m_aAttrPtr->children) {
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return OUString();
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}
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char const*const pContent(reinterpret_cast<char const*>(m_aAttrPtr->children->content));
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return OUString(pContent, strlen(pContent), RTL_TEXTENCODING_UTF8);
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}
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/**
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Sets the value of the attribute from a string.
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*/
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void SAL_CALL CAttr::setValue(const OUString& value)
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{
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::osl::ClearableMutexGuard guard(m_rMutex);
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if ((nullptr == m_aNodePtr) || (nullptr == m_aAttrPtr)) {
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return;
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}
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// remember old value (for mutation event)
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OUString sOldValue = getValue();
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OString o1 = OUStringToOString(value, RTL_TEXTENCODING_UTF8);
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xmlChar const * pValue = reinterpret_cast<xmlChar const *>(o1.getStr());
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// this does not work if the attribute was created anew
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// xmlNodePtr pNode = m_aAttrPtr->parent;
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// xmlSetProp(pNode, m_aAttrPtr->name, pValue);
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std::shared_ptr<xmlChar const> const buffer(
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xmlEncodeEntitiesReentrant(m_aAttrPtr->doc, pValue), xmlFree);
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xmlFreeNodeList(m_aAttrPtr->children);
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m_aAttrPtr->children =
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xmlStringGetNodeList(m_aAttrPtr->doc, buffer.get());
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xmlNodePtr tmp = m_aAttrPtr->children;
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while (tmp != nullptr) {
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tmp->parent = m_aNodePtr;
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tmp->doc = m_aAttrPtr->doc;
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if (tmp->next == nullptr)
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m_aNodePtr->last = tmp;
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tmp = tmp->next;
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}
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// dispatch DOM events to signal change in attribute value
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// dispatch DomAttrModified + DOMSubtreeModified
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OUString sEventName( "DOMAttrModified" );
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Reference< XDocumentEvent > docevent(getOwnerDocument(), UNO_QUERY);
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Reference< XMutationEvent > event(docevent->createEvent(sEventName),UNO_QUERY);
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event->initMutationEvent(
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sEventName, true, false,
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Reference<XNode>( static_cast<XAttr*>( this ) ),
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sOldValue, value, getName(), AttrChangeType_MODIFICATION );
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guard.clear(); // release mutex before calling event handlers
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dispatchEvent(event);
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dispatchSubtreeModified();
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}
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void SAL_CALL CAttr::setPrefix(const OUString& prefix)
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{
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::osl::MutexGuard const g(m_rMutex);
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if (!m_aNodePtr) { return; }
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if (m_oNamespace)
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{
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OSL_ASSERT(!m_aNodePtr->parent);
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m_oNamespace->second =
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OUStringToOString(prefix, RTL_TEXTENCODING_UTF8);
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}
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else
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{
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CNode::setPrefix(prefix);
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}
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}
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OUString SAL_CALL CAttr::getPrefix()
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{
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::osl::MutexGuard const g(m_rMutex);
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if (!m_aNodePtr) { return OUString(); }
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if (m_oNamespace)
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{
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OSL_ASSERT(!m_aNodePtr->parent);
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OUString const ret(OStringToOUString(
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m_oNamespace->second, RTL_TEXTENCODING_UTF8));
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return ret;
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}
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else
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{
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return CNode::getPrefix();
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}
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}
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OUString SAL_CALL CAttr::getNamespaceURI()
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{
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::osl::MutexGuard const g(m_rMutex);
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if (!m_aNodePtr) { return OUString(); }
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if (m_oNamespace)
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{
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OSL_ASSERT(!m_aNodePtr->parent);
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OUString const ret(OStringToOUString(
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m_oNamespace->first, RTL_TEXTENCODING_UTF8));
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return ret;
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}
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else
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{
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return CNode::getNamespaceURI();
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}
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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