schemaattdeflist.cpp

来自「IBM的解析xml的工具Xerces的源代码」· C++ 代码 · 共 261 行

/*
 * Copyright 2001,2004 The Apache Software Foundation.
 * 
 * Licensed 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.
 */

/*
 * $Log: SchemaAttDefList.cpp,v $
 * Revision 1.12  2004/09/10 18:42:06  cargilld
 * Performance improvement fix to more efficiently findattdef.  Fix from Dave Bertoni.
 *
 * Revision 1.11  2004/09/08 13:56:56  peiyongz
 * Apache License Version 2.0
 *
 * Revision 1.10  2004/01/29 11:52:31  cargilld
 * Code cleanup changes to get rid of various compiler diagnostic messages.
 *
 * Revision 1.9  2003/12/17 00:18:40  cargilld
 * Update to memory management so that the static memory manager (one used to call Initialize) is only for static data.
 *
 * Revision 1.8  2003/11/13 23:20:47  peiyongz
 * initSize
 *
 * Revision 1.7  2003/11/10 21:54:51  neilg
 * implementation for new stateless means of traversing attribute definition lists
 *
 * Revision 1.6  2003/10/20 11:46:28  gareth
 * Pass in memory manager to constructors and use for creation of enumerators.
 *
 * Revision 1.5  2003/10/17 21:17:12  peiyongz
 * using XTemplateSerializer
 *
 * Revision 1.4  2003/10/10 16:25:40  peiyongz
 * Implementation of Serialization/Deserialization
 *
 * Revision 1.3  2003/05/18 14:02:07  knoaman
 * Memory manager implementation: pass per instance manager.
 *
 * Revision 1.2  2002/11/04 14:49:41  tng
 * C++ Namespace Support.
 *
 * Revision 1.1.1.1  2002/02/01 22:22:46  peiyongz
 * sane_include
 *
 * Revision 1.2  2001/05/11 13:27:34  tng
 * Copyright update.
 *
 * Revision 1.1  2001/02/27 18:48:22  tng
 * Schema: Add SchemaAttDef, SchemaElementDecl, SchemaAttDefList.
 *
 */


// ---------------------------------------------------------------------------
//  Includes
// ---------------------------------------------------------------------------
#include <xercesc/validators/schema/SchemaAttDefList.hpp>

#include <xercesc/internal/XTemplateSerializer.hpp>
#include <xercesc/util/ArrayIndexOutOfBoundsException.hpp>

XERCES_CPP_NAMESPACE_BEGIN

// ---------------------------------------------------------------------------
//  SchemaAttDefList: Constructors and Destructor
// ---------------------------------------------------------------------------
SchemaAttDefList::SchemaAttDefList(RefHash2KeysTableOf<SchemaAttDef>* const listToUse, MemoryManager* const manager)
: XMLAttDefList(manager)
,fEnum(0)
,fList(listToUse)
,fArray(0)
,fSize(0)
,fCount(0)
{
    fEnum = new (getMemoryManager()) RefHash2KeysTableOfEnumerator<SchemaAttDef>(listToUse, false, getMemoryManager());
    fArray = (SchemaAttDef **)((getMemoryManager())->allocate( sizeof(SchemaAttDef*) << 1));
    fSize = 2;
}

SchemaAttDefList::~SchemaAttDefList()
{
    delete fEnum;
    (getMemoryManager())->deallocate(fArray);
}


// ---------------------------------------------------------------------------
//  SchemaAttDefList: Implementation of the virtual interface
// ---------------------------------------------------------------------------
bool SchemaAttDefList::hasMoreElements() const
{
    return fEnum->hasMoreElements();
}


bool SchemaAttDefList::isEmpty() const
{
    return fList->isEmpty();
}


XMLAttDef* SchemaAttDefList::findAttDef(const  unsigned long   uriID
                                    , const XMLCh* const    attName)
{
   const int colonInd = XMLString::indexOf(attName, chColon);
 
   // An index of 0 is really an error, but the QName class doesn't check for
   // that case either...
   const XMLCh* const localPart = colonInd >= 0 ? attName + colonInd + 1 : attName;
 
   return fList->get((void*)localPart, uriID);
}


const XMLAttDef*
SchemaAttDefList::findAttDef(  const   unsigned long   uriID
                            , const XMLCh* const    attName) const
{
   const int colonInd = XMLString::indexOf(attName, chColon);
 
   // An index of 0 is really an error, but the QName class doesn't check for
   // that case either...
   const XMLCh* const localPart = colonInd >= 0 ? attName + colonInd + 1 : attName;
 
   return fList->get((void*)localPart, uriID);
}


XMLAttDef* SchemaAttDefList::findAttDef(   const   XMLCh* const
                                        , const XMLCh* const)
{
   //need numeric URI id to locate the attribute, that's how it was stored
   ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Pool_InvalidId, getMemoryManager());
   return 0;
}


const XMLAttDef*
SchemaAttDefList::findAttDef( const   XMLCh* const
                            , const XMLCh* const) const
{
   //need numeric URI id to locate the attribute, that's how it was stored
   ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Pool_InvalidId, getMemoryManager());
   return 0;
}


XMLAttDef& SchemaAttDefList::nextElement()
{
    return fEnum->nextElement();
}


void SchemaAttDefList::Reset()
{
    fEnum->Reset();
}

/**
 * return total number of attributes in this list
 */
unsigned int SchemaAttDefList::getAttDefCount() const
{
    return fCount;
}

/**
 * return attribute at the index-th position in the list.
 */
XMLAttDef &SchemaAttDefList::getAttDef(unsigned int index) 
{
    if(index >= fCount)
        ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::AttrList_BadIndex, getMemoryManager());
    return *(fArray[index]);
}

/**
 * return attribute at the index-th position in the list.
 */
const XMLAttDef &SchemaAttDefList::getAttDef(unsigned int index) const 
{
    if(index >= fCount)
        ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::AttrList_BadIndex, getMemoryManager());
    return *(fArray[index]);
}

/***
 * Support for Serialization/De-serialization
 ***/

IMPL_XSERIALIZABLE_TOCREATE(SchemaAttDefList)

void SchemaAttDefList::serialize(XSerializeEngine& serEng)
{

    XMLAttDefList::serialize(serEng);

    if (serEng.isStoring())
    {
        /***
         *
         * Serialize RefHash2KeysTableOf<SchemaAttDef>
         *
         ***/
        XTemplateSerializer::storeObject(fList, serEng);
        serEng << fCount;

        // do not serialize fEnum
    }
    else
    {
        /***
         *
         * Deserialize RefHash2KeysTableOf<SchemaAttDef>           
         *
         ***/
        XTemplateSerializer::loadObject(&fList, 29, true, serEng);

        // assume empty so we can size fArray just right
        serEng >> fSize;
        if (!fEnum && fList)
        {
            fEnum = new (getMemoryManager()) RefHash2KeysTableOfEnumerator<SchemaAttDef>(fList, false, getMemoryManager());
        }
        if(fSize) 
        {
            (getMemoryManager())->deallocate(fArray);
            fArray = (SchemaAttDef **)((getMemoryManager())->allocate( sizeof(SchemaAttDef*) * fSize));
            fCount = 0;
            while(fEnum->hasMoreElements())
            {
                fArray[fCount++] = &fEnum->nextElement();
            }
        }
    }

}

SchemaAttDefList::SchemaAttDefList(MemoryManager* const manager)
: XMLAttDefList(manager)
,fEnum(0)
,fList(0)
,fArray(0)
,fSize(0)
,fCount(0)
{
}

XERCES_CPP_NAMESPACE_END