src/xalanc/XSLT/ElemSort.cpp

/*
 * 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
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "ElemSort.hpp"



#include <xercesc/sax/AttributeList.hpp>



#include <xalanc/PlatformSupport/DOMStringHelper.hpp>
#include <xalanc/PlatformSupport/XalanMessageLoader.hpp>



#include "Constants.hpp"
#include "StylesheetConstructionContext.hpp"



namespace XALAN_CPP_NAMESPACE {



ElemSort::ElemSort(
            StylesheetConstructionContext&  constructionContext,
            Stylesheet&                     stylesheetTree,
            const AttributeListType&        atts,
            XalanFileLoc                    lineNumber,
            XalanFileLoc                    columnNumber) :
    ElemTemplateElement(constructionContext,
                        stylesheetTree,
                        lineNumber,
                        columnNumber,
                        StylesheetConstructionContext::ELEMNAME_SORT),
    m_selectPattern(0),
    m_langAVT(0),
    m_dataTypeAVT(0),
    m_orderAVT(0),
    m_caseOrderAVT(0)
{
    const XalanSize_t nAttrs = atts.getLength();

    for (XalanSize_t i = 0; i < nAttrs; i++)
    {
        const XalanDOMChar* const   aname = atts.getName(i);

        if (equals(aname, Constants::ATTRNAME_SELECT))
        {
            m_selectPattern 
                = constructionContext.createXPath(getLocator(), atts.getValue(i), *this);
        }
        else if (equals(aname, Constants::ATTRNAME_LANG))
        {           
            m_langAVT =
                    constructionContext.createAVT(getLocator(), aname, atts.getValue(i), *this);
        }
        else if (equals(aname, Constants::ATTRNAME_DATATYPE))
        {
            m_dataTypeAVT =
                    constructionContext.createAVT(getLocator(), aname, atts.getValue(i), *this);
        }
        else if (equals(aname, Constants::ATTRNAME_ORDER))
        {
            m_orderAVT =
                    constructionContext.createAVT(getLocator(), aname, atts.getValue(i), *this);
        }
        else if (equals(aname, Constants::ATTRNAME_CASEORDER))
        {
            m_caseOrderAVT =
                    constructionContext.createAVT(getLocator(), aname, atts.getValue(i), *this);
        }
        else if (isAttrOK(
                    aname,
                    atts,
                    i,
                    constructionContext) == false)
        {
            error(
                constructionContext,
                XalanMessages::ElementHasIllegalAttribute_2Param,
                Constants::ELEMNAME_SORT_WITH_PREFIX_STRING.c_str(),
                aname);
        }
    }

    if(0 == m_dataTypeAVT)
    {
        m_dataTypeAVT =
            constructionContext.createAVT(
                getLocator(),
                Constants::ATTRNAME_DATATYPE.c_str(),
                Constants::ATTRVAL_DATATYPE_TEXT.c_str(),
                *this);
    }

    if(0 == m_orderAVT)
    {
        m_orderAVT =
            constructionContext.createAVT(
                getLocator(),
                Constants::ATTRNAME_ORDER.c_str(),
                Constants::ATTRVAL_ORDER_ASCENDING.c_str(),
                *this);
    }
}



ElemSort*
ElemSort::create(
            MemoryManager& theManager,
            StylesheetConstructionContext&  constructionContext,
            Stylesheet&                     stylesheetTree,
            const AttributeListType&        atts,
            XalanFileLoc                    lineNumber,
            XalanFileLoc                    columnNumber)
{
    typedef ElemSort    ThisType;

    XalanAllocationGuard    theGuard(theManager, theManager.allocate(sizeof(ThisType)));

    ThisType* const     theResult =
        new (theGuard.get()) ThisType(
                                constructionContext,
                                stylesheetTree,
                                atts,
                                lineNumber,
                                columnNumber);

    theGuard.release();

    return theResult;
}



ElemSort::~ElemSort()
{
}



const XalanDOMString&
ElemSort::getElementName() const
{
    return Constants::ELEMNAME_SORT_WITH_PREFIX_STRING;
}



const XPath*
ElemSort::getXPath(XalanSize_t  index) const
{
    return index == 0 ? m_selectPattern : 0;
}



}