cqlidentifierrep.h

Pegasus is an open-source implementationof the DMTF CIM and WBEM standards. It is designed to be por

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// Authors: David Rosckes ([e-mail])
//          Bert Rivero ([e-mail])
//          Chuck Carmack ([e-mail])
//          Brian Lucier ([e-mail])
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// Modified By: Aruran, IBM([e-mail]) for Bug# 3589
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#ifndef Pegasus_CQLIdentifierRep_h
#define Pegasus_CQLIdentifierRep_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/CQL/Linkage.h>
#include <Pegasus/Common/Array.h>
#include <Pegasus/Common/CIMName.h>
#include <Pegasus/Query/QueryCommon/QueryIdentifierRep.h>

PEGASUS_NAMESPACE_BEGIN


/** 
  The CQLIdentifier class encapsulates
  the different formats of the CQL property portion
  of a CQLChainedIdentifier. 

  For example, a CQLChainedIdentifier can have these parts:
 
    Class.EmbeddedObject.Property
    Class.Property


The "Property" portion of the CQLChainedIdentifier can be
in any of these 3 formats:
   (a)  property name
   (b)  property[3]     e.g. an array index
   (c)  property#'OK'    e.g. a symbolic constant
   (d)  *   (wildcard)

In the future, there may be support added for a set of indices (ranges).
  */
class CQLIdentifierRep: public QueryIdentifierRep
{
  public:
    CQLIdentifierRep();
    /**  The constructor for a CQLIdentifier object
          takes a const string reference as input.  The string should contain the
          property portion of a CQLChainedIdentifier.
    
         The constructor parses the input string into the components of 
         the property identifier. 
    
         Throws parsing errors.
      */
    CQLIdentifierRep(const String& identifier);

    CQLIdentifierRep(const CQLIdentifierRep* rep);

    ~CQLIdentifierRep();

    CQLIdentifierRep& operator=(const CQLIdentifierRep& rhs);

  private:

      /**   This method needs to continue to take a String object, not a reference nor a const
            reference.  The reason being it changes the value of the parameter and that
            changed value should not be returned to the caller.
      */

    void parse(String indentifier);

    static Char16 STAR;
    static Char16 HASH;
    static Char16 RBRKT;
    static Char16 LBRKT;
    static const char SCOPE[];
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_CQLIdentifier_h */