/* -*- 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 "XFormsBindContext.hxx"

#include "xformsapi.hxx"

#include <xmloff/xmlimp.hxx>

#include <xmloff/xmlerror.hxx>

#include <xmloff/xmltoken.hxx>

#include <xmloff/xmlnamespace.hxx>

#include <xmloff/namespacemap.hxx>

#include <com/sun/star/container/XNameContainer.hpp>

#include <com/sun/star/xforms/XModel2.hpp>

#include <sal/log.hxx>

using com::sun::star::uno::Reference;

using com::sun::star::uno::Any;

using com::sun::star::uno::UNO_QUERY;

using com::sun::star::container::XNameContainer;

using com::sun::star::xml::sax::XFastAttributeList;

using com::sun::star::xforms::XModel2;

using namespace xmloff::token;

// helper function; see below

static void lcl_fillNamespaceContainer( const SvXMLNamespaceMap&,

                                 Reference<XNameContainer> const & );

XFormsBindContext::XFormsBindContext(

    SvXMLImport& rImport,

    const Reference<XModel2>& xModel ) :

        TokenContext( rImport ),

        mxModel( xModel )

{

    // attach binding to model

    mxBinding = mxModel->createBinding();

    SAL_WARN_IF( !mxBinding.is(), "xmloff", "can't create binding" );

    mxModel->getBindings()->insert( Any( mxBinding ) );

}

void XFormsBindContext::HandleAttribute( const sax_fastparser::FastAttributeList::FastAttributeIter & aIter )

{

    switch( aIter.getToken() & TOKEN_MASK )

    {

    case XML_NODESET:

        xforms_setValue( mxBinding, u"BindingExpression"_ustr, aIter.toString() );

        break;

    case XML_ID:

        xforms_setValue( mxBinding, u"BindingID"_ustr, aIter.toString() );

        break;

    case XML_READONLY:

        xforms_setValue( mxBinding, u"ReadonlyExpression"_ustr, aIter.toString() );

        break;

    case XML_RELEVANT:

        xforms_setValue( mxBinding, u"RelevantExpression"_ustr, aIter.toString() );

        break;

    case XML_REQUIRED:

        xforms_setValue( mxBinding, u"RequiredExpression"_ustr, aIter.toString() );

        break;

    case XML_CONSTRAINT:

        xforms_setValue( mxBinding, u"ConstraintExpression"_ustr, aIter.toString() );

        break;

    case XML_CALCULATE:

        xforms_setValue( mxBinding, u"CalculateExpression"_ustr, aIter.toString() );

        break;

    case XML_TYPE:

        xforms_setValue( mxBinding, u"Type"_ustr,

                         xforms_getTypeName( mxModel->getDataTypeRepository(),

                                       GetImport().GetNamespaceMap(),

                                       aIter.toString() ) );

        break;

    default:

        assert( false && "should not happen" );

        break;

    }

}

void XFormsBindContext::startFastElement(

    sal_Int32 nElement,

    const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )

{

    // we need to register the namespaces

    Reference<XNameContainer> xContainer(

        mxBinding->getPropertyValue( u"BindingNamespaces"_ustr ),

        UNO_QUERY );

    SAL_WARN_IF( !xContainer.is(), "xmloff", "binding should have a namespace container" );

    if( xContainer.is() )

        lcl_fillNamespaceContainer( GetImport().GetNamespaceMap(), xContainer);

    // call super-class for attribute handling

    TokenContext::startFastElement( nElement, xAttrList );

}

/** will be called for each child element */

SvXMLImportContext* XFormsBindContext::HandleChild(

    sal_Int32,

    const Reference<XFastAttributeList>& )

{

    assert( false && "no children supported" );

    return nullptr;

}

static void lcl_fillNamespaceContainer(

    const SvXMLNamespaceMap& aMap,

    Reference<XNameContainer> const & xContainer )

{

    sal_uInt16 nKeyIter = aMap.GetFirstKey();

    do

    {

        // get prefix and namespace

        const OUString& sPrefix = aMap.GetPrefixByKey( nKeyIter );

        const OUString& sNamespace = aMap.GetNameByKey( nKeyIter );

        // as a hack, we will ignore our own 'default' namespaces

        SAL_WARN_IF( sPrefix.isEmpty(), "xmloff", "no prefix?" );

        if( !sPrefix.startsWith("_") &&

            nKeyIter >= XML_NAMESPACE_META_SO52)

        {

            // insert prefix (use replace if already known)

            if( xContainer->hasByName( sPrefix ) )

                xContainer->replaceByName( sPrefix, Any( sNamespace ) );

            else

                xContainer->insertByName( sPrefix, Any( sNamespace ) );

        }

        // proceed to next

        nKeyIter = aMap.GetNextKey( nKeyIter );

    }

    while( nKeyIter != XML_NAMESPACE_UNKNOWN );

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */