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, 344 insertions, 0 deletions

diff --git a/unoxml/source/dom/saxbuilder.cxx b/unoxml/source/dom/saxbuilder.cxx
new file mode 100644
index 000000000..61b7a496a
--- /dev/null
+++ b/unoxml/source/dom/saxbuilder.cxx
@@ -0,0 +1,344 @@
+/* -*- 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: */