//%2005////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation, The Open Group.
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; VERITAS Software Corporation; The Open Group.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//==============================================================================
//
// Author: Mike Brasher (mbrasher@bmc.com)
//
// Modified By: Carol Ann Krug Graves, Hewlett-Packard Company
//                (carolann_graves@hp.com)
//
//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_DeclContext_h
#define Pegasus_DeclContext_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/ArrayInternal.h>
#include <Pegasus/Common/Pair.h>
#include <Pegasus/Common/CIMName.h>
#include <Pegasus/Common/CIMClass.h>
#include <Pegasus/Common/CIMQualifierDecl.h>
#include <Pegasus/Common/Linkage.h>

PEGASUS_NAMESPACE_BEGIN

/**
    This class is used internally as a source of CIM declarations.
    It is passed to the resolve[objectType] () methods of the Resolver class
    (where [objectType] is Class, Instance, Property, Method, Parameter), and 
    in turn to the resolve () methods of the CIM[objectType]Rep classes. 
    Methods are provided for looking up class, qualifier, and instance 
    declarations.  This is an abstract base class: implementations must be 
    provided by derived classes.
*/
class PEGASUS_COMMON_LINKAGE DeclContext
{
public:

    virtual ~DeclContext();

    virtual CIMQualifierDecl lookupQualifierDecl(
	const CIMNamespaceName& nameSpace,
	const CIMName& name) const = 0;

    virtual CIMClass lookupClass(
	const CIMNamespaceName& nameSpace,
	const CIMName& name) const = 0;
};

typedef Pair<CIMNamespaceName, CIMClass> CPair;
typedef Pair<CIMNamespaceName, CIMQualifierDecl> QPair;

inline int operator==(const QPair& x, const QPair& y)
{
    return 0;
}

inline int operator==(const CPair& x, const CPair& y)
{
    return 0;
}

class PEGASUS_COMMON_LINKAGE SimpleDeclContext : public DeclContext
{
public:

    virtual ~SimpleDeclContext();

    void addQualifierDecl(
	const CIMNamespaceName& nameSpace,
	const CIMQualifierDecl& x);

    void addClass(
	const CIMNamespaceName& nameSpace,
	const CIMClass& x);

    virtual CIMQualifierDecl lookupQualifierDecl(
	const CIMNamespaceName& nameSpace,
	const CIMName& name) const;

    virtual CIMClass lookupClass(
	const CIMNamespaceName& nameSpace,
	const CIMName& name) const;

private:

    Array<CPair> _classDeclarations;
    Array<QPair> _qualifierDeclarations;
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_DeclContext_h */