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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /unoxml/source/dom/saxbuilder.cxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-rw-r--r--unoxml/source/dom/saxbuilder.cxx344
1 files changed, 344 insertions, 0 deletions
diff --git a/unoxml/source/dom/saxbuilder.cxx b/unoxml/source/dom/saxbuilder.cxx
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+/* -*- 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 "saxbuilder.hxx"
+
+#include <com/sun/star/xml/dom/DocumentBuilder.hpp>
+#include <com/sun/star/xml/sax/SAXException.hpp>
+#include <cppuhelper/supportsservice.hxx>
+#include <sax/fastattribs.hxx>
+#include <xmloff/xmlimp.hxx>
+
+using namespace css::lang;
+using namespace css::uno;
+using namespace css::xml::dom;
+using namespace css::xml::sax;
+
+namespace DOM
+{
+ CSAXDocumentBuilder::CSAXDocumentBuilder(const Reference< XComponentContext >& ctx)
+ : m_xContext(ctx)
+ , m_aState( SAXDocumentBuilderState_READY)
+ {}
+
+ Sequence< OUString > SAL_CALL CSAXDocumentBuilder::getSupportedServiceNames()
+ {
+ return { "com.sun.star.xml.dom.SAXDocumentBuilder" };
+ }
+
+ OUString SAL_CALL CSAXDocumentBuilder::getImplementationName()
+ {
+ return "com.sun.star.comp.xml.dom.SAXDocumentBuilder";
+ }
+
+ sal_Bool SAL_CALL CSAXDocumentBuilder::supportsService(const OUString& aServiceName)
+ {
+ return cppu::supportsService(this, aServiceName);
+ }
+
+ SAXDocumentBuilderState SAL_CALL CSAXDocumentBuilder::getState()
+ {
+ std::scoped_lock g(m_Mutex);
+
+ return m_aState;
+ }
+
+ void SAL_CALL CSAXDocumentBuilder::reset()
+ {
+ std::scoped_lock g(m_Mutex);
+
+ m_aDocument.clear();
+ m_aFragment.clear();
+ while (!m_aNodeStack.empty()) m_aNodeStack.pop();
+ m_aState = SAXDocumentBuilderState_READY;
+ }
+
+ Reference< XDocument > SAL_CALL CSAXDocumentBuilder::getDocument()
+ {
+ std::scoped_lock g(m_Mutex);
+
+ if (m_aState != SAXDocumentBuilderState_DOCUMENT_FINISHED)
+ throw RuntimeException();
+
+ return m_aDocument;
+ }
+
+ Reference< XDocumentFragment > SAL_CALL CSAXDocumentBuilder::getDocumentFragment()
+ {
+ std::scoped_lock g(m_Mutex);
+
+ if (m_aState != SAXDocumentBuilderState_FRAGMENT_FINISHED)
+ throw RuntimeException();
+ return m_aFragment;
+ }
+
+ void SAL_CALL CSAXDocumentBuilder::startDocumentFragment(const Reference< XDocument >& ownerDoc)
+ {
+ std::scoped_lock g(m_Mutex);
+
+ // start a new document fragment and push it onto the stack
+ // we have to be in a clean state to do this
+ if (m_aState != SAXDocumentBuilderState_READY)
+ throw RuntimeException();
+
+ m_aDocument = ownerDoc;
+ Reference< XDocumentFragment > aFragment = m_aDocument->createDocumentFragment();
+ m_aNodeStack.push(aFragment);
+ m_aFragment = aFragment;
+ m_aState = SAXDocumentBuilderState_BUILDING_FRAGMENT;
+ }
+
+ void SAL_CALL CSAXDocumentBuilder::endDocumentFragment()
+ {
+ std::scoped_lock g(m_Mutex);
+
+ // there should only be the document left on the node stack
+ if (m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
+ throw RuntimeException();
+
+ Reference< XNode > aNode = m_aNodeStack.top();
+ if ( aNode->getNodeType() != NodeType_DOCUMENT_FRAGMENT_NODE)
+ throw RuntimeException();
+ m_aNodeStack.pop();
+ m_aState = SAXDocumentBuilderState_FRAGMENT_FINISHED;
+ }
+
+ //XFastDocumentHandler
+ void SAL_CALL CSAXDocumentBuilder::startDocument()
+ {
+ std::scoped_lock g(m_Mutex);
+
+ // start a new document and push it onto the stack
+ // we have to be in a clean state to do this
+ if (m_aState != SAXDocumentBuilderState_READY)
+ throw SAXException();
+
+ Reference< XDocumentBuilder > aBuilder(DocumentBuilder::create(m_xContext));
+ Reference< XDocument > aDocument = aBuilder->newDocument();
+ m_aNodeStack.push(aDocument);
+ m_aDocument = aDocument;
+ m_aState = SAXDocumentBuilderState_BUILDING_DOCUMENT;
+ }
+
+ void SAL_CALL CSAXDocumentBuilder::endDocument()
+ {
+ std::scoped_lock g(m_Mutex);
+
+ // there should only be the document left on the node stack
+ if (m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT)
+ throw SAXException();
+
+ Reference< XNode > aNode = m_aNodeStack.top();
+ if ( aNode->getNodeType() != NodeType_DOCUMENT_NODE)
+ throw SAXException();
+ m_aNodeStack.pop();
+ m_aState = SAXDocumentBuilderState_DOCUMENT_FINISHED;
+ }
+
+ void SAL_CALL CSAXDocumentBuilder::processingInstruction( const OUString& rTarget, const OUString& rData )
+ {
+ std::scoped_lock g(m_Mutex);
+
+ // append PI node to the current top
+ if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
+ m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
+ throw SAXException();
+
+ Reference< XProcessingInstruction > aInstruction = m_aDocument->createProcessingInstruction(
+ rTarget, rData);
+ m_aNodeStack.top()->appendChild(aInstruction);
+ }
+
+ void SAL_CALL CSAXDocumentBuilder::setDocumentLocator( const Reference< XLocator >& )
+ {
+ }
+
+ void SAL_CALL CSAXDocumentBuilder::startFastElement( sal_Int32 nElement , const Reference< XFastAttributeList >& xAttribs )
+ {
+ std::scoped_lock g(m_Mutex);
+
+ if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
+ m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
+ {
+ throw SAXException();
+ }
+
+ Reference< XElement > aElement;
+ const OUString& aPrefix(SvXMLImport::getNamespacePrefixFromToken(nElement, nullptr));
+ const OUString& aURI( SvXMLImport::getNamespaceURIFromToken( nElement ) );
+ OUString aQualifiedName( SvXMLImport::getNameFromToken( nElement ) );
+ if( !aPrefix.isEmpty() )
+ aQualifiedName = aPrefix + SvXMLImport::aNamespaceSeparator + aQualifiedName;
+
+ if ( !aURI.isEmpty() )
+ {
+ // found a URI for prefix
+ // qualified name
+ aElement = m_aDocument->createElementNS( aURI, aQualifiedName );
+ }
+ else
+ {
+ // no URI for prefix
+ aElement = m_aDocument->createElement( aQualifiedName );
+ }
+ aElement.set( m_aNodeStack.top()->appendChild(aElement), UNO_QUERY);
+ m_aNodeStack.push(aElement);
+
+ if (xAttribs.is())
+ setElementFastAttributes(aElement, xAttribs);
+ }
+
+ // For arbitrary meta elements
+ void SAL_CALL CSAXDocumentBuilder::startUnknownElement( const OUString& rNamespace, const OUString& rName, const Reference< XFastAttributeList >& xAttribs )
+ {
+ std::scoped_lock g(m_Mutex);
+
+ if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
+ m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
+ {
+ throw SAXException();
+ }
+
+ Reference< XElement > aElement;
+ if ( !rNamespace.isEmpty() )
+ aElement = m_aDocument->createElementNS( rNamespace, rName );
+ else
+ aElement = m_aDocument->createElement( rName );
+
+ aElement.set( m_aNodeStack.top()->appendChild(aElement), UNO_QUERY);
+ m_aNodeStack.push(aElement);
+
+ if (!xAttribs.is())
+ return;
+
+ setElementFastAttributes(aElement, xAttribs);
+ const Sequence< css::xml::Attribute > unknownAttribs = xAttribs->getUnknownAttributes();
+ for ( const auto& rUnknownAttrib : unknownAttribs )
+ {
+ const OUString& rAttrValue = rUnknownAttrib.Value;
+ const OUString& rAttrName = rUnknownAttrib.Name;
+ const OUString& rAttrNamespace = rUnknownAttrib.NamespaceURL;
+ if ( !rAttrNamespace.isEmpty() )
+ aElement->setAttributeNS( rAttrNamespace, rAttrName, rAttrValue );
+ else
+ aElement->setAttribute( rAttrName, rAttrValue );
+ }
+ }
+
+ void CSAXDocumentBuilder::setElementFastAttributes(const Reference< XElement >& aElement, const Reference< XFastAttributeList >& xAttribs)
+ {
+ for (auto &it : sax_fastparser::castToFastAttributeList( xAttribs ))
+ {
+ sal_Int32 nAttrToken = it.getToken();
+ const OUString& aAttrPrefix(SvXMLImport::getNamespacePrefixFromToken(nAttrToken, nullptr));
+ const OUString& aAttrURI( SvXMLImport::getNamespaceURIFromToken( nAttrToken ) );
+ OUString aAttrQualifiedName( SvXMLImport::getNameFromToken( nAttrToken ) );
+ if( !aAttrPrefix.isEmpty() )
+ aAttrQualifiedName = aAttrPrefix + SvXMLImport::aNamespaceSeparator + aAttrQualifiedName;
+
+ if ( !aAttrURI.isEmpty() )
+ aElement->setAttributeNS( aAttrURI, aAttrQualifiedName, it.toString() );
+ else
+ aElement->setAttribute( aAttrQualifiedName, it.toString() );
+ }
+ }
+
+ void SAL_CALL CSAXDocumentBuilder::endFastElement( sal_Int32 nElement )
+ {
+ std::scoped_lock g(m_Mutex);
+
+ // pop the current element from the stack
+ if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
+ m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
+ throw SAXException();
+
+ Reference< XNode > aNode(m_aNodeStack.top());
+ if (aNode->getNodeType() != NodeType_ELEMENT_NODE)
+ throw SAXException();
+
+ Reference< XElement > aElement(aNode, UNO_QUERY);
+ if( aElement->getPrefix() != SvXMLImport::getNamespacePrefixFromToken(nElement, nullptr) ||
+ aElement->getTagName() != SvXMLImport::getNameFromToken( nElement ) ) // consistency check
+ throw SAXException();
+
+ // pop it
+ m_aNodeStack.pop();
+ }
+
+
+ void SAL_CALL CSAXDocumentBuilder::endUnknownElement( const OUString& /*rNamespace*/, const OUString& rName )
+ {
+ std::scoped_lock g(m_Mutex);
+
+ // pop the current element from the stack
+ if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
+ m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
+ throw SAXException();
+
+ Reference< XNode > aNode(m_aNodeStack.top());
+ if (aNode->getNodeType() != NodeType_ELEMENT_NODE)
+ throw SAXException();
+
+ Reference< XElement > aElement(aNode, UNO_QUERY);
+ OUString aRefName;
+ const OUString& aPrefix = aElement->getPrefix();
+ if (!aPrefix.isEmpty())
+ aRefName = aPrefix + SvXMLImport::aNamespaceSeparator + aElement->getTagName();
+ else
+ aRefName = aElement->getTagName();
+ if (aRefName != rName) // consistency check
+ throw SAXException();
+
+ // pop it
+ m_aNodeStack.pop();
+ }
+
+ Reference< XFastContextHandler > SAL_CALL CSAXDocumentBuilder::createFastChildContext( sal_Int32/* nElement */, const Reference< XFastAttributeList >&/* xAttribs */ )
+ {
+ return nullptr;
+ }
+
+
+ Reference< XFastContextHandler > SAL_CALL CSAXDocumentBuilder::createUnknownChildContext( const OUString&/* rNamespace */, const OUString&/* rName */, const Reference< XFastAttributeList >&/* xAttribs */ )
+ {
+ return nullptr;
+ }
+
+ void SAL_CALL CSAXDocumentBuilder::characters( const OUString& rChars )
+ {
+ std::scoped_lock g(m_Mutex);
+
+ // append text node to the current top element
+ if (m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
+ m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
+ throw SAXException();
+
+ Reference< XText > aText = m_aDocument->createTextNode(rChars);
+ m_aNodeStack.top()->appendChild(aText);
+ }
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+unoxml_CSAXDocumentBuilder_get_implementation(
+ css::uno::XComponentContext* context , css::uno::Sequence<css::uno::Any> const&)
+{
+ return cppu::acquire(new DOM::CSAXDocumentBuilder(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */