pegasus/src/Pegasus/CQL/CQLChainedIdentifierRep.h - diff

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Diff for /pegasus/src/Pegasus/CQL/CQLChainedIdentifierRep.h between version 1.1 and 1.1.2.5

version 1.1, 2004/09/08 15:54:37

version 1.1.2.5, 2004/09/29 14:22:21

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//%2004////////////////////////////////////////////////////////////////////////

// Company, L. P., IBM Corp., The Open Group, Tivoli Systems.

// IBM Corp.; EMC 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.

//==============================================================================

// Authors: David Rosckes (rosckes@us.ibm.com)

// Bert Rivero (hurivero@us.ibm.com)

// Chuck Carmack (carmack@us.ibm.com)

// Brian Lucier (lucier@us.ibm.com)

// Modified By:

//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_CQLChainedIdentifierRep_h

#define Pegasus_CQLChainedIdentifierRep_h

#include <Pegasus/Common/Config.h>

#include <Pegasus/CQL/Linkage.h>

#include <Pegasus/Common/Array.h>

#include <Pegasus/Common/String.h>

#include <Pegasus/CQL/CQLIdentifier.h>

#include <Pegasus/CQL/QueryContext.h>

PEGASUS_NAMESPACE_BEGIN

class PEGASUS_CQL_LINKAGE CQLScope;

class PEGASUS_CQL_LINKAGE CQLFactory;

/**

CQLChainedIdentifier class is used for parsing (not resolving)

the identifier portion of a CQL select statement.

A couple examples of a CQLIdentifier:

Class.EmbeddedObject.Property[3]

Class.Property#'OK'

The CQLChainedIdentifier class can parse and return each

section of a CQL identifier. The possible sections are:

class (optional)

zero or more embedded objects

property

Note: this must handle wildcard("*"), embedded objects, arrays, symbolic

constants, etc.

class PEGASUS_CQL_LINKAGE CQLChainedIdentifierRep

{

public:

CQLChainedIdentifierRep();

/** constructor

Parses the string into the various components of a CQL identifier.

Throws parsing errors.

CQLChainedIdentifierRep(String inString);

CQLChainedIdentifierRep(CQLIdentifier &id);

CQLChainedIdentifierRep(const CQLChainedIdentifierRep* rep);

~CQLChainedIdentifierRep();

/** The getSubIdentifiers method

returns the array of subIdentifiers from a CQL SELECT

statement. If there are no subidentifiers, an empty array is returned.

Example:

myClass.embeddedObject.myProperty would return an array of 2 strings:

'myClass' and 'embeddedObject'.

myProperty would return an empty array.

const Array<CQLIdentifier>& getSubIdentifiers()const;

String toString()const;

void append(CQLIdentifier & id);

Uint32 size();

Boolean prepend(CQLIdentifier & id);

CQLIdentifier& operator[](Uint32 index);

CQLChainedIdentifierRep& operator=(const CQLChainedIdentifierRep& rhs);

Boolean isSubChain(CQLChainedIdentifier & chain);

CQLIdentifier getLastIdentifier();

void applyContext(QueryContext& inContext);

friend class CQLFactory;

private:

void parse(String & string);

/** The _subIdentifiers member variable is an array of Strings that are the

parts of the CQL identifier that were delimited by the dots (.) except

for the final part which is the _property member variable.

Array<CQLIdentifier> _subIdentifiers;

};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_CQLChainedIdentifierRep_h */

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