Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 268 insertions, 0 deletions

diff --git a/unoxml/source/dom/attr.cxx b/unoxml/source/dom/attr.cxx
new file mode 100644
index 000000000..4988aa421
--- /dev/null
+++ b/unoxml/source/dom/attr.cxx
@@ -0,0 +1,268 @@
+/* -*- 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 <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_pNamespace)
+        {
+            return nullptr;
+        }
+        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) {
+            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( "DOMAttrModified" );
+        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_pNamespace)
+        {
+            OSL_ASSERT(!m_aNodePtr->parent);
+            m_pNamespace->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_pNamespace)
+        {
+            OSL_ASSERT(!m_aNodePtr->parent);
+            OUString const ret(OStringToOUString(
+                        m_pNamespace->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_pNamespace)
+        {
+            OSL_ASSERT(!m_aNodePtr->parent);
+            OUString const ret(OStringToOUString(
+                        m_pNamespace->first, RTL_TEXTENCODING_UTF8));
+            return ret;
+        }
+        else
+        {
+            return CNode::getNamespaceURI();
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */