//%LICENSE////////////////////////////////////////////////////////////////
//
// Licensed to The Open Group (TOG) under one or more contributor license
// agreements.  Refer to the OpenPegasusNOTICE.txt file distributed with
// this work for additional information regarding copyright ownership.
// Each contributor licenses this file to you under the OpenPegasus Open
// Source License; you may not use this file except in compliance with the
// License.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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//////////////////////////////////////////////////////////////////////////
//
//%/////////////////////////////////////////////////////////////////////////////

#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;

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 */