1 files changed, 453 insertions, 0 deletions
diff --git a/xmlsecurity/source/xmlsec/saxhelper.cxx b/xmlsecurity/source/xmlsec/saxhelper.cxx
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+++ b/xmlsecurity/source/xmlsec/saxhelper.cxx
@@ -0,0 +1,453 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: saxhelper.cxx,v $
+ * $Revision: 1.7 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_xmlsecurity.hxx"
+
+#include <rtl/ustring.hxx>
+
+#include "saxhelper.hxx"
+#include "libxml/parserInternals.h"
+
+#ifndef XMLSEC_NO_XSLT
+#include "libxslt/xslt.h"
+#endif
+
+namespace cssu = com::sun::star::uno;
+namespace cssxs = com::sun::star::xml::sax;
+namespace cssxcsax = com::sun::star::xml::csax;
+
+/**
+ * The return value is NULL terminated. The application has the responsibilty to
+ * deallocte the return value.
+ */
+xmlChar* ous_to_xmlstr( const rtl::OUString& oustr )
+{
+    rtl::OString ostr = rtl::OUStringToOString( oustr , RTL_TEXTENCODING_UTF8 ) ;
+    return xmlStrndup( ( xmlChar* )ostr.getStr(), ( int )ostr.getLength() ) ;
+}
+
+/**
+ * The return value is NULL terminated. The application has the responsibilty to
+ * deallocte the return value.
+ */
+xmlChar* ous_to_nxmlstr( const rtl::OUString& oustr, int& length )
+{
+    rtl::OString ostr = rtl::OUStringToOString( oustr , RTL_TEXTENCODING_UTF8 ) ;
+    length = ostr.getLength();
+
+    return xmlStrndup( ( xmlChar* )ostr.getStr(), length ) ;
+}
+
+/**
+ * The input parameter isn't necessaryly NULL terminated.
+ */
+rtl::OUString xmlchar_to_ous( const xmlChar* pChar, int length )
+{
+    if( pChar != NULL )
+    {
+        return rtl::OUString( ( sal_Char* )pChar , length , RTL_TEXTENCODING_UTF8 ) ;
+    }
+    else
+    {
+        return rtl::OUString() ;
+    }
+}
+
+/**
+ * The input parameter is NULL terminated
+ */
+rtl::OUString xmlstr_to_ous( const xmlChar* pStr )
+{
+    if( pStr != NULL )
+    {
+        return xmlchar_to_ous( pStr , xmlStrlen( pStr ) ) ;
+    }
+    else
+    {
+        return rtl::OUString() ;
+    }
+}
+
+/**
+ * The return value and the referenced value must be NULL terminated.
+ * The application has the responsibilty to deallocte the return value.
+ */
+const xmlChar** attrlist_to_nxmlstr( const cssu::Sequence< cssxcsax::XMLAttribute >& aAttributes )
+{
+    xmlChar* attname = NULL ;
+    xmlChar* attvalue = NULL ;
+    const xmlChar** attrs = NULL ;
+    rtl::OUString oustr ;
+
+    sal_Int32 nLength = aAttributes.getLength();;
+
+    if( nLength != 0 )
+    {
+        attrs = ( const xmlChar** )xmlMalloc( ( nLength * 2 + 2 ) * sizeof( xmlChar* ) ) ;
+    }
+    else
+    {
+        return NULL ;
+    }
+
+    for( int i = 0 , j = 0 ; j < nLength ; ++j )
+    {
+        attname = ous_to_xmlstr( aAttributes[j].sName ) ;
+        attvalue = ous_to_xmlstr( aAttributes[j].sValue ) ;
+
+        if( attname != NULL && attvalue != NULL )
+        {
+            attrs[i++] = attname ;
+            attrs[i++] = attvalue ;
+            attrs[i] = NULL ;
+            attrs[i+1] = NULL ;
+        }
+        else
+        {
+            if( attname != NULL )
+                xmlFree( attname ) ;
+            if( attvalue != NULL )
+                xmlFree( attvalue ) ;
+        }
+    }
+
+    return attrs ;
+}
+
+/**
+ * Constructor
+ *
+ * In this constructor, a libxml sax parser context is initialized. a libxml
+ * default sax handler is initialized with the context.
+ */
+SAXHelper::SAXHelper( )
+    : m_pParserCtxt( NULL ),
+      m_pSaxHandler( NULL )
+{
+    xmlInitParser() ;
+    LIBXML_TEST_VERSION ;
+
+    /*
+     * compile error:
+     * xmlLoadExtDtdDefaultValue = XML_DETECT_IDS | XML_COMPLETE_ATTRS ;
+     */
+    xmlSubstituteEntitiesDefault( 1 ) ;
+
+#ifndef XMLSEC_NO_XSLT
+    xmlIndentTreeOutput = 1 ;
+#endif /* XMLSEC_NO_XSLT */
+
+    m_pParserCtxt = xmlNewParserCtxt() ;
+
+    /*
+     * i41748
+     *
+     * mmi : re-initialize the SAX handler to version 1
+     */
+
+    xmlSAXVersion(m_pParserCtxt->sax, 1);
+
+    /* end */
+
+    if( m_pParserCtxt->inputTab[0] != NULL )
+    {
+        m_pParserCtxt->inputTab[0] = NULL ;
+    }
+
+    if( m_pParserCtxt == NULL )
+    {
+#ifndef XMLSEC_NO_XSLT
+        xsltCleanupGlobals() ;
+#endif
+//      see issue i74334, we cannot call xmlCleanupParser when libxml is still used
+//      in other parts of the office.
+//      xmlCleanupParser() ;
+        throw cssu::RuntimeException() ;
+    }
+    else if( m_pParserCtxt->sax == NULL )
+    {
+        xmlFreeParserCtxt( m_pParserCtxt ) ;
+
+#ifndef XMLSEC_NO_XSLT
+        xsltCleanupGlobals() ;
+#endif
+//      see issue i74334, we cannot call xmlCleanupParser when libxml is still used
+//      in other parts of the office.
+//      xmlCleanupParser() ;
+        m_pParserCtxt = NULL ;
+        throw cssu::RuntimeException() ;
+    }
+    else
+    {
+        m_pSaxHandler = m_pParserCtxt->sax ;
+
+        //Adjust the context
+        m_pParserCtxt->recovery = 1 ;
+    }
+}
+
+/**
+ * Destructor
+ *
+ * In this destructor, a libxml sax parser context is desturcted. The XML tree
+ * in the context is not deallocated because the tree is bind with a document
+ * model by the setTargetDocument method, which delegate the target document to
+ * destruct the xml tree.
+ */
+SAXHelper::~SAXHelper() {
+    if( m_pParserCtxt != NULL )
+    {
+        /*
+         * In the situation that no object refer the Document, this destructor
+         * must deallocate the Document memory
+         */
+        if( m_pSaxHandler == m_pParserCtxt->sax )
+        {
+            m_pSaxHandler = NULL ;
+        }
+
+        xmlFreeParserCtxt( m_pParserCtxt ) ;
+        m_pParserCtxt = NULL ;
+    }
+
+    if( m_pSaxHandler != NULL )
+    {
+        xmlFree( m_pSaxHandler ) ;
+        m_pSaxHandler = NULL ;
+    }
+//      see issue i74334, we cannot call xmlCleanupParser when libxml is still used
+//      in other parts of the office.
+//  xmlCleanupParser() ;
+}
+
+xmlNodePtr SAXHelper::getCurrentNode()
+{
+    return m_pParserCtxt->node;
+}
+
+void SAXHelper::setCurrentNode(const xmlNodePtr pNode)
+{
+    /*
+     * This is really a black trick.
+     * When the current node is replaced, the nodeTab
+     * stack's top has to been replaced with the same
+     * node, in order to make compatibility.
+     */
+    m_pParserCtxt->nodeTab[m_pParserCtxt->nodeNr - 1]
+        = m_pParserCtxt->node
+            = pNode;
+}
+
+xmlDocPtr SAXHelper::getDocument()
+{
+    return m_pParserCtxt->myDoc;
+}
+
+/**
+ * XDocumentHandler -- start an xml document
+ */
+void SAXHelper::startDocument( void )
+    throw( cssxs::SAXException , cssu::RuntimeException )
+{
+    /*
+     * Adjust inputTab
+     */
+    xmlParserInputPtr pInput = xmlNewInputStream( m_pParserCtxt ) ;
+
+    if( m_pParserCtxt->inputTab != NULL && m_pParserCtxt->inputMax != 0 )
+    {
+        m_pParserCtxt->inputTab[0] = pInput ;
+        m_pParserCtxt->input = pInput ;
+    }
+
+    m_pSaxHandler->startDocument( m_pParserCtxt ) ;
+
+    if( m_pParserCtxt == NULL || m_pParserCtxt->myDoc == NULL )
+    {
+        throw cssu::RuntimeException() ;
+    }
+}
+
+/**
+ * XDocumentHandler -- end an xml document
+ */
+void SAXHelper::endDocument( void )
+    throw( cssxs::SAXException , cssu::RuntimeException )
+{
+    m_pSaxHandler->endDocument( m_pParserCtxt ) ;
+}
+
+/**
+ * XDocumentHandler -- start an xml element
+ */
+void SAXHelper::startElement(
+    const rtl::OUString& aName,
+    const cssu::Sequence< cssxcsax::XMLAttribute >& aAttributes )
+    throw( cssxs::SAXException , cssu::RuntimeException )
+{
+    const xmlChar* fullName = NULL ;
+    const xmlChar** attrs = NULL ;
+
+    fullName = ous_to_xmlstr( aName ) ;
+    attrs = attrlist_to_nxmlstr( aAttributes ) ;
+
+    if( fullName != NULL || attrs != NULL )
+    {
+        m_pSaxHandler->startElement( m_pParserCtxt , fullName , attrs ) ;
+    }
+
+    if( fullName != NULL )
+    {
+        xmlFree( ( xmlChar* )fullName ) ;
+        fullName = NULL ;
+    }
+
+    if( attrs != NULL )
+    {
+        for( int i = 0 ; attrs[i] != NULL ; ++i )
+        {
+            xmlFree( ( xmlChar* )attrs[i] ) ;
+            attrs[i] = NULL ;
+        }
+
+        xmlFree( ( void* ) attrs ) ;
+        attrs = NULL ;
+    }
+}
+
+/**
+ * XDocumentHandler -- end an xml element
+ */
+void SAXHelper::endElement( const rtl::OUString& aName )
+    throw( cssxs::SAXException , cssu::RuntimeException )
+{
+    xmlChar* fullname = NULL ;
+
+    fullname = ous_to_xmlstr( aName ) ;
+    m_pSaxHandler->endElement( m_pParserCtxt , fullname ) ;
+
+    if( fullname != NULL )
+    {
+        xmlFree( ( xmlChar* )fullname ) ;
+        fullname = NULL ;
+    }
+}
+
+/**
+ * XDocumentHandler -- an xml element or cdata characters
+ */
+void SAXHelper::characters( const rtl::OUString& aChars )
+    throw( cssxs::SAXException , cssu::RuntimeException )
+{
+    const xmlChar* chars = NULL ;
+    int length = 0 ;
+
+    chars = ous_to_nxmlstr( aChars, length ) ;
+    m_pSaxHandler->characters( m_pParserCtxt , chars , length ) ;
+
+    if( chars != NULL )
+    {
+        xmlFree( ( xmlChar* )chars ) ;
+    }
+}
+
+/**
+ * XDocumentHandler -- ignorable xml white space
+ */
+void SAXHelper::ignorableWhitespace( const rtl::OUString& aWhitespaces )
+    throw( cssxs::SAXException , cssu::RuntimeException )
+{
+    const xmlChar* chars = NULL ;
+    int length = 0 ;
+
+    chars = ous_to_nxmlstr( aWhitespaces, length ) ;
+    m_pSaxHandler->ignorableWhitespace( m_pParserCtxt , chars , length ) ;
+
+    if( chars != NULL )
+    {
+        xmlFree( ( xmlChar* )chars ) ;
+    }
+}
+
+/**
+ * XDocumentHandler -- preaorocessing instruction
+ */
+void SAXHelper::processingInstruction(
+    const rtl::OUString& aTarget,
+    const rtl::OUString& aData )
+    throw( cssxs::SAXException , cssu::RuntimeException )
+{
+    xmlChar* target = NULL ;
+    xmlChar* data = NULL ;
+
+    target = ous_to_xmlstr( aTarget ) ;
+    data = ous_to_xmlstr( aData ) ;
+
+    m_pSaxHandler->processingInstruction( m_pParserCtxt , target , data ) ;
+
+    if( target != NULL )
+    {
+        xmlFree( ( xmlChar* )target ) ;
+        target = NULL ;
+    }
+
+    if( data != NULL )
+    {
+        xmlFree( ( xmlChar* )data ) ;
+        data = NULL ;
+    }
+}
+
+/**
+ * XDocumentHandler -- set document locator
+ * In this case, locator is useless.
+ */
+void SAXHelper::setDocumentLocator(
+    const cssu::Reference< cssxs::XLocator > &)
+    throw( cssxs::SAXException , cssu::RuntimeException )
+{
+    //--Pseudo code if necessary
+    //--m_pSaxLocator is a member defined as xmlSAXHabdlerPtr
+    //--m_pSaxLocatorHdl is a member defined as Sax_Locator
+
+    //if( m_pSaxLocator != NULL ) {
+    //  //Deallocate the memory
+    //}
+    //if( m_pSaxLocatorHdl != NULL ) {
+    //  //Deallocate the memory
+    //}
+
+    //m_pSaxLocatorHdl = new Sax_Locator( xLocator ) ;
+    //m_pSaxLocator = { m_pSaxLocatorHdl->getPublicId , m_pSaxLocatorHdl->getSystemId , m_pSaxLocatorHdl->getLineNumber , m_pSaxLocatorHdl->getColumnNumber } ;
+
+    //m_pSaxHandler->setDocumentLocator( m_pParserCtxt , m_pSaxLocator ) ;
+}
+