/*
 * Copyright 2003,2004 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.
 */

/*
 * $Id: PSVIElement.hpp 191054 2005-06-17 02:56:35Z jberry $
 */

#if !defined(PSVIELEMENT_HPP)
#define PSVIELEMENT_HPP

#include <xercesc/framework/psvi/PSVIItem.hpp>

XERCES_CPP_NAMESPACE_BEGIN

/**
 * Represent the PSVI contributions for one element information item.
 * This is *always* owned by the scanner/parser object from which
 * it is obtained.  The validator will specify 
 * under what conditions it may be relied upon to have meaningful contents.
 */

// forward declarations
class XSElementDeclaration;
class XSNotationDeclaration;
class XSModel;

class XMLPARSER_EXPORT PSVIElement : public PSVIItem  
{
public:

    //  Constructors and Destructor
    // -----------------------------------------------------------------------
    /** @name Constructors */
    //@{

    /**
      * The default constructor 
      *
      * @param  manager     The configurable memory manager
      */
    PSVIElement( MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);

    //@};

    /** @name Destructor */
    //@{
    ~PSVIElement();
    //@}

    //---------------------
    /** @name PSVIElement methods */

    //@{

    /**
     * An item isomorphic to the element declaration used to validate
     * this element.
     * 
     * @return  an element declaration
     */
    XSElementDeclaration *getElementDeclaration();
    
    /**
     * [notation] 
     * @see <a href="http://www.w3.org/TR/xmlschema-1/#e-notation">XML Schema Part 1: Structures [notation]</a>
     * @return The notation declaration. 
     */
    XSNotationDeclaration *getNotationDeclaration();

    /**
     * [schema information]
     * @see <a href="http://www.w3.org/TR/xmlschema-1/#e-schema_information">XML Schema Part 1: Structures [schema information]</a>
     * @return The schema information property if it's the validation root,
     *         null otherwise.
     */
    XSModel *getSchemaInformation();
    
    /**
     * An item isomorphic to the type definition used to validate this element.
     * 
     * @return  a type declaration
     */
    XSTypeDefinition *getTypeDefinition();
    
    /**
     * If and only if that type definition is a simple type definition
     * with {variety} union, or a complex type definition whose {content type}
     * is a simple type definition with {variety} union, then an item isomorphic
     * to that member of the union's {member type definitions} which actually
     * validated the element item's normalized value.
     * 
     * @return  a simple type declaration
     */
    XSSimpleTypeDefinition *getMemberTypeDefinition();
    
    //@}

    //----------------------------------
    /** methods needed by implementation */

    //@{
    void reset
    (
        const VALIDITY_STATE            validityState
        , const ASSESSMENT_TYPE         assessmentType
        , const XMLCh* const            validationContext
        , bool                          isSpecified
        , XSElementDeclaration* const   elemDecl
        , XSTypeDefinition* const       typeDef
        , XSSimpleTypeDefinition* const memberType
        , XSModel* const                schemaInfo
        , const XMLCh* const            defaultValue
        , const XMLCh* const            normalizedValue = 0
        , XMLCh* const                  canonicalValue = 0
        , XSNotationDeclaration* const  notationDecl = 0
    );

    //@}

private:

    // -----------------------------------------------------------------------
    //  Unimplemented constructors and operators
    // -----------------------------------------------------------------------
    PSVIElement(const PSVIElement&);
    PSVIElement & operator=(const PSVIElement &);


    // -----------------------------------------------------------------------
    //  data members
    // -----------------------------------------------------------------------
    // fElementDecl
    //  element declaration component that validated this element
    // fNotationDecl
    //  (optional) notation decl associated with this element
    // fSchemaInfo
    //  Schema Information Item with which this validation episode is associated
    XSElementDeclaration *fElementDecl;
    XSNotationDeclaration *fNotationDecl;
    XSModel *fSchemaInfo;
};

inline XSElementDeclaration *PSVIElement::getElementDeclaration() 
{
    return fElementDecl;
}

inline XSNotationDeclaration* PSVIElement::getNotationDeclaration() 
{
    return fNotationDecl;
}

inline XSModel* PSVIElement::getSchemaInformation() 
{
    return fSchemaInfo;
}

XERCES_CPP_NAMESPACE_END

#endif
