libreoffice/xmlscript/source/xmllib_imexp/xmllib_import.cxx

/*************************************************************************
 *
 *  $RCSfile: xmllib_import.cxx,v $
 *
 *  $Revision: 1.5 $
 *
 *  last change: $Author: ab $ $Date: 2001-11-07 18:21:45 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library 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 for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/
#include "imp_share.hxx"

#include <osl/diagnose.h>

#include <rtl/ustrbuf.hxx>

#include <xmlscript/xml_import.hxx>
#include <comphelper/processfactory.hxx>


namespace xmlscript
{

//##################################################################################################

//__________________________________________________________________________________________________
Reference< xml::XImportContext > LibElementBase::getParent()
    throw (RuntimeException)
{
    return static_cast< xml::XImportContext * >( _pParent );
}
//__________________________________________________________________________________________________
OUString LibElementBase::getLocalName()
    throw (RuntimeException)
{
    return _aLocalName;
}
//__________________________________________________________________________________________________
sal_Int32 LibElementBase::getUid()
    throw (RuntimeException)
{
    return XMLNS_LIBRARY_UID;
}
//__________________________________________________________________________________________________
Reference< xml::sax2::XExtendedAttributes > LibElementBase::getAttributes()
    throw (RuntimeException)
{
    return _xAttributes;
}
//__________________________________________________________________________________________________
void LibElementBase::ignorableWhitespace(
    OUString const & rWhitespaces )
    throw (xml::sax::SAXException, RuntimeException)
{
    // not used
}
//__________________________________________________________________________________________________
void LibElementBase::characters( OUString const & rChars )
    throw (xml::sax::SAXException, RuntimeException)
{
    // not used, all characters ignored
}
//__________________________________________________________________________________________________
void LibElementBase::endElement()
    throw (xml::sax::SAXException, RuntimeException)
{
}
//__________________________________________________________________________________________________
Reference< xml::XImportContext > LibElementBase::createChildContext(
    sal_Int32 nUid, OUString const & rLocalName,
    Reference< xml::sax2::XExtendedAttributes > const & xAttributes )
    throw (xml::sax::SAXException, RuntimeException)
{
    throw xml::sax::SAXException(
        OUString( RTL_CONSTASCII_USTRINGPARAM("unexpected element!") ),
        Reference< XInterface >(), Any() );
}

//__________________________________________________________________________________________________
LibElementBase::LibElementBase(
    OUString const & rLocalName,
    Reference< xml::sax2::XExtendedAttributes > const & xAttributes,
    LibElementBase * pParent, LibraryImport * pImport )
    SAL_THROW( () )
    : _pImport( pImport )
    , _pParent( pParent )
    , _aLocalName( rLocalName )
    , _xAttributes( xAttributes )
{
    _pImport->acquire();

    if (_pParent)
    {
        _pParent->acquire();
    }
}
//__________________________________________________________________________________________________
LibElementBase::~LibElementBase()
    SAL_THROW( () )
{
    _pImport->release();

    if (_pParent)
    {
        _pParent->release();
    }

#ifdef DEBUG
    OString aStr( OUStringToOString( _aLocalName, RTL_TEXTENCODING_ASCII_US ) );
    OSL_TRACE( "LibElementBase::~LibElementBase(): %s\n", aStr.getStr() );
#endif
}

//##################################################################################################

// XImporter
//__________________________________________________________________________________________________
void LibraryImport::startDocument()
    throw (xml::sax::SAXException, RuntimeException)
{
    // ignored
}
//__________________________________________________________________________________________________
void LibraryImport::endDocument()
    throw (xml::sax::SAXException, RuntimeException)
{
    // ignored
}
//__________________________________________________________________________________________________
void LibraryImport::processingInstruction(
    OUString const & rTarget, OUString const & rData )
    throw (xml::sax::SAXException, RuntimeException)
{
    // ignored for now: xxx todo
}
//__________________________________________________________________________________________________
void LibraryImport::setDocumentLocator(
    Reference< xml::sax::XLocator > const & xLocator )
    throw (xml::sax::SAXException, RuntimeException)
{
    // ignored for now: xxx todo
}
//__________________________________________________________________________________________________
Reference< xml::XImportContext > LibraryImport::createRootContext(
    sal_Int32 nUid, OUString const & rLocalName,
    Reference< xml::sax2::XExtendedAttributes > const & xAttributes )
    throw (xml::sax::SAXException, RuntimeException)
{
    if (XMLNS_LIBRARY_UID != nUid)
    {
        throw xml::sax::SAXException(
            OUString( RTL_CONSTASCII_USTRINGPARAM("illegal namespace!") ),
            Reference< XInterface >(), Any() );
    }
    else if (mpLibArray && rLocalName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM("libraries") ))
    {
        return new LibrariesElement( rLocalName, xAttributes, 0, this );
    }
    else if (mpLibDesc && rLocalName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM("library") ))
    {
        LibDescriptor& aDesc = *mpLibDesc;
        aDesc.bLink = aDesc.bReadOnly = aDesc.bPasswordProtected = sal_False;

        aDesc.aName = xAttributes->getValueByUidName(
            XMLNS_LIBRARY_UID, OUString( RTL_CONSTASCII_USTRINGPARAM("name") ) );
        getBoolAttr( &aDesc.bReadOnly, OUString( RTL_CONSTASCII_USTRINGPARAM("readonly") ), xAttributes );
        getBoolAttr( &aDesc.bPasswordProtected, OUString( RTL_CONSTASCII_USTRINGPARAM("passwordprotected") ), xAttributes );

        return new LibraryElement( rLocalName, xAttributes, 0, this );
    }
    else
    {
        throw xml::sax::SAXException(
            OUString( RTL_CONSTASCII_USTRINGPARAM("illegal root element (expected libraries) given: ") ) +
            rLocalName, Reference< XInterface >(), Any() );
    }
}
//__________________________________________________________________________________________________
LibraryImport::~LibraryImport()
    SAL_THROW( () )
{
#ifdef DEBUG
    OSL_TRACE( "LibraryImport::~LibraryImport().\n" );
#endif
}

//##################################################################################################


// libraries
//__________________________________________________________________________________________________
Reference< xml::XImportContext > LibrariesElement::createChildContext(
    sal_Int32 nUid, OUString const & rLocalName,
    Reference< xml::sax2::XExtendedAttributes > const & xAttributes )
    throw (xml::sax::SAXException, RuntimeException)
{
    if (XMLNS_LIBRARY_UID != nUid)
    {
        throw xml::sax::SAXException(
            OUString( RTL_CONSTASCII_USTRINGPARAM("illegal namespace!") ),
            Reference< XInterface >(), Any() );
    }
    // library
    else if (rLocalName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM("library") ))
    {
        LibDescriptor aDesc;
        aDesc.bLink = aDesc.bReadOnly = aDesc.bPasswordProtected = sal_False;

        aDesc.aName = xAttributes->getValueByUidName(
            XMLNS_LIBRARY_UID, OUString( RTL_CONSTASCII_USTRINGPARAM("name") ) );
        aDesc.aStorageURL = xAttributes->getValueByUidName(
            XMLNS_XLINK_UID, OUString( RTL_CONSTASCII_USTRINGPARAM("href") ) );
        getBoolAttr( &aDesc.bLink, OUString( RTL_CONSTASCII_USTRINGPARAM("link") ), xAttributes );
        getBoolAttr( &aDesc.bReadOnly, OUString( RTL_CONSTASCII_USTRINGPARAM("readonly") ), xAttributes );
        getBoolAttr( &aDesc.bPasswordProtected, OUString( RTL_CONSTASCII_USTRINGPARAM("passwordprotected") ), xAttributes );

        mLibDescriptors.push_back( aDesc );
        return new LibraryElement( rLocalName, xAttributes, this, _pImport );
    }
    else
    {
        throw xml::sax::SAXException(
            OUString( RTL_CONSTASCII_USTRINGPARAM("expected styles ot bulletinboard element!") ),
            Reference< XInterface >(), Any() );
    }
}
//__________________________________________________________________________________________________
void LibrariesElement::endElement()
    throw (xml::sax::SAXException, RuntimeException)
{
    sal_Int32 nLibCount = _pImport->mpLibArray->mnLibCount = (sal_Int32)mLibDescriptors.size();
    _pImport->mpLibArray->mpLibs = new LibDescriptor[ nLibCount ];

    for( sal_Int32 i = 0 ; i < nLibCount ; i++ )
    {
        const LibDescriptor& rLib = mLibDescriptors[i];
        _pImport->mpLibArray->mpLibs[i] = rLib;
    }
}

// library
//__________________________________________________________________________________________________
Reference< xml::XImportContext > LibraryElement::createChildContext(
    sal_Int32 nUid, OUString const & rLocalName,
    Reference< xml::sax2::XExtendedAttributes > const & xAttributes )
    throw (xml::sax::SAXException, RuntimeException)
{
    if (XMLNS_LIBRARY_UID != nUid)
    {
        throw xml::sax::SAXException(
            OUString( RTL_CONSTASCII_USTRINGPARAM("illegal namespace!") ),
            Reference< XInterface >(), Any() );
    }
    // library
    else if (rLocalName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM("element") ))
    {
        OUString aValue( xAttributes->getValueByUidName(
            XMLNS_LIBRARY_UID, OUString( RTL_CONSTASCII_USTRINGPARAM("name") ) ) );
        if (aValue.getLength())
            mElements.push_back( aValue );

        return new LibElementBase( rLocalName, xAttributes, this, _pImport );
    }
    else
    {
        throw xml::sax::SAXException(
            OUString( RTL_CONSTASCII_USTRINGPARAM("expected styles ot bulletinboard element!") ),
            Reference< XInterface >(), Any() );
    }
}
//__________________________________________________________________________________________________
void LibraryElement::endElement()
    throw (xml::sax::SAXException, RuntimeException)
{
    sal_Int32 nElementCount = mElements.size();
    Sequence< OUString > aElementNames( nElementCount );
    OUString* pElementNames = aElementNames.getArray();
    for( sal_Int32 i = 0 ; i < nElementCount ; i++ )
        pElementNames[i] = mElements[i];

    LibDescriptor* pLib = _pImport->mpLibDesc;
    if( !pLib )
        pLib = &static_cast< LibrariesElement* >( _pParent )->mLibDescriptors.back();
    pLib->aElementNames = aElementNames;
}


//##################################################################################################

SAL_DLLEXPORT Reference< ::com::sun::star::xml::sax::XDocumentHandler >
SAL_CALL importLibraryContainer( LibDescriptorArray* pLibArray )
        SAL_THROW( (Exception) )
{
    NameSpaceUid arNamespaceUids[] = {
        NameSpaceUid( OUString( RTL_CONSTASCII_USTRINGPARAM(XMLNS_LIBRARY_URI) ), XMLNS_LIBRARY_UID ),
        NameSpaceUid( OUString( RTL_CONSTASCII_USTRINGPARAM(XMLNS_XLINK_URI) ), XMLNS_XLINK_UID )
    };

    return ::xmlscript::createDocumentHandler(
        arNamespaceUids, sizeof(arNamespaceUids) / sizeof(NameSpaceUid),
        -1 /* unknown namespace id */,
        static_cast< xml::XImporter * >( new LibraryImport( pLibArray ) ) );
}

//##################################################################################################

SAL_DLLEXPORT ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XDocumentHandler >
SAL_CALL importLibrary( LibDescriptor& rLib )
        SAL_THROW( (::com::sun::star::uno::Exception) )
{
    NameSpaceUid arNamespaceUids[] = {
        NameSpaceUid( OUString( RTL_CONSTASCII_USTRINGPARAM(XMLNS_LIBRARY_URI) ), XMLNS_LIBRARY_UID ),
    };

    return ::xmlscript::createDocumentHandler(
        arNamespaceUids, sizeof(arNamespaceUids) / sizeof(NameSpaceUid),
        -1 /* unknown namespace id */,
        static_cast< xml::XImporter * >( new LibraryImport( &rLib ) ) );
}


//##################################################################################################

LibDescriptorArray::LibDescriptorArray( sal_Int32 nLibCount )
{
    mnLibCount = nLibCount;
    mpLibs = new LibDescriptor[ mnLibCount ];
}

LibDescriptorArray::~LibDescriptorArray()
{
    delete[] mpLibs;
}



};