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File: [Pegasus] / pegasus / src / Pegasus / CQL / CQLChainedIdentifierRep.h
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Revision: 1.1.2.2, Thu Sep 16 14:53:19 2004 UTC (19 years, 9 months ago) by humberto Branch: CQL_2_5_BRANCH Changes since 1.1.2.1: +3 -0 lines PEP#: 138 TITLE: cql updates DESCRIPTION: cql updates |
#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> 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); Boolean isSubChain(CQLChainedIdentifier & chain); CQLIdentifier getLastIdentifier(); void applyScopes(Array<CQLScope>& scopes); 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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