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352 lines
12 KiB
352 lines
12 KiB
/****************************************************************************
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Copyright information : Copyright (c) 1998-1999 Microsoft Corporation
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File Name : ParserEngine.h
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Project Name : WMI Command Line
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Author Name : Ch.Sriramachandramurthy
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Date of Creation (dd/mm/yy) : 27th-September-2000
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Version Number : 1.0
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Brief Description : This file consist of class declaration of class
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CParserEngine.
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Revision History :
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Last Modified By : Sashank P
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Last Modified Date : 10th-April-2001
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*****************************************************************************/
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/*----------------------------------------------------------------------------
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Class Name : CParserEngine
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Class Type : Concrete
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Brief Description : This class encapsulates the functionality needed for
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parsing the command string entered as input and
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validating the same.
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Super Classes : None
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Sub Classes : None
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Classes Used : CParsedInfo
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CCmdTokenizer
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CCmdAlias
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Interfaces Used : WMI COM Interfaces
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----------------------------------------------------------------------------*/
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// forward declaration of classes
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class CParsedInfo;
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class CCmdTokenizer;
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class CCmdAlias;
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class CParserEngine
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{
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public:
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// Construction
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CParserEngine();
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// Destruction
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~CParserEngine();
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// Restrict Assignment
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CParserEngine& operator=(CParserEngine& rParserEngine);
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// Attributes
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private:
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// IWbemLocator interface to obtain the initial namespace pointer to the
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//Windows Management on a particular host computer
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IWbemLocator* m_pIWbemLocator;
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//IWbemServices interface is used by clients and providers to access WMI
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//services.This interface provides management services to client processes
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IWbemServices* m_pITargetNS;
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// Tokenizer object used for tokenize the command string
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CCmdTokenizer m_CmdTknzr;
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// Alias object used for accessing the alias information from the WMI.
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CCmdAlias m_CmdAlias;
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// flag to indicate whether <alias> name
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// is specified.
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BOOL m_bAliasName;
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// Operations
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private:
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// Parses the global switches.
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RETCODE ParseGlobalSwitches(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parses the <alias> information.
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RETCODE ParseAliasInfo(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parses the CLASS information.
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RETCODE ParseClassInfo(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parses the Verb information
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RETCODE ParseVerbInfo(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parse the GET verb information
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RETCODE ParseGETVerb(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parse the LIST verb information
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RETCODE ParseLISTVerb(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parse the SET | CREATE verb information
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RETCODE ParseSETorCREATEVerb(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo,
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HELPTYPE helpType);
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// Parse the ASSOC verb information
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RETCODE ParseASSOCVerb(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parse the CALL verb information
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RETCODE ParseCALLVerb(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parse the method information
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RETCODE ParseMethodInfo(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parses the GET verb switches information
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RETCODE ParseGETSwitches(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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//Checks for help option in advance.
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RETCODE CheckForHelp(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo,
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UINT uErrataCode);
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// Parses the PATH expression.
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RETCODE ParsePathInfo(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parses the WHERE expression.
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RETCODE ParseWhereInfo(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parses the SET | CREATE | NamedParams verb argument list
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RETCODE ParseSETorCREATEOrNamedParamInfo(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo,
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HELPTYPE helpType);
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// Parses the LIST switches information
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RETCODE ParseLISTSwitches(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo,
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BOOL& bFormatSwitchSpecified);
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// Parses the Verb switches information
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RETCODE ParseVerbSwitches(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Gets the next token from the Tokens vector - overload 1.
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BOOL GetNextToken(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator);
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// Gets the next token from the Tokens vector - overload 2.
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RETCODE GetNextToken(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo,
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HELPTYPE helpType,
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UINT uErrataCode);
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// Gets the next token from the Tokens vector - overload 3.
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RETCODE GetNextToken(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo,
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UINT uErrataCode);
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// Check whether the next token is '?'
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RETCODE IsHelp(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo,
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HELPTYPE helpType,
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UINT uErrataCode,
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TOKENLEVEL tokenLevel = LEVEL_ONE);
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// Parse for help information - overload 1
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RETCODE ParseHelp(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo,
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BOOL bGlobalHelp = FALSE);
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// Parse for help information - overload 2
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RETCODE ParseHelp(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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HELPTYPE htHelp,
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CParsedInfo& rParsedInfo,
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BOOL bGlobalHelp = FALSE);
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// Parse and form a PWhere expression
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BOOL ParsePWhereExpr(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo,
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BOOL bIsParan);
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// Extracts the Classname and the where expression
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// out of the given path expression
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BOOL ExtractClassNameandWhereExpr(_TCHAR* pszPathExpr,
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CParsedInfo& rParsedInfo);
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// Obtains properties associated with the class for /get help
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// If bCheckWritePropsAvail == TRUE then functions checks for availibilty
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// of properties.
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BOOL ObtainClassProperties(CParsedInfo& rParsedInfo,
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BOOL bCheckWritePropsAvail = FALSE);
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// Obtains parameters of the method
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HRESULT ObtainMethodParamInfo(IWbemClassObject* pIObj,
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METHODDETAILS& mdMethDet,
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INOROUT ioInOrOut,
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BOOL bTrace, CParsedInfo& rParsedInfo);
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// Get the status of method ( implemented or not ).
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HRESULT GetMethodStatusAndDesc(IWbemClassObject* pIObj,
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BSTR bstrMethod,
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_bstr_t& bstrStatus,
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_bstr_t& bstrDesc,
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BOOL bTrace);
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// Obtain class methods. if bCheckForExists == TRUE then it
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// checks for availibility of methods with class.
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BOOL ObtainClassMethods(CParsedInfo& rParsedInfo,
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BOOL bCheckForExists = FALSE);
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// Connects to Target Namespace.
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HRESULT ConnectToNamespace(CParsedInfo& rParsedInfo);
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// Parses EVERY switch.
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RETCODE ParseEVERYSwitch(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parses FORMAT switch.
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RETCODE ParseFORMATSwitch(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Validates the value passed with global switches.
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RETCODE ValidateGlobalSwitchValue(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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UINT uErrataCode,
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CParsedInfo& rParsedInfo,
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UINT uErrataCode2,
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HELPTYPE htHelp);
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// Is pszToken is Std verb or User defined verb.
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BOOL IsStdVerbOrUserDefVerb( _bstr_t pszToken,
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CParsedInfo& rParsedInfo );
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// Parses the TRANSLATE switch.
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RETCODE ParseTRANSLATESwitch(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parsed the CONTEXT switch.
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RETCODE ParseContextInfo(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Validates the node name/namespace
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BOOL ValidateNodeOrNS(_TCHAR* pszInput, BOOL bNode);
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// Parses the ASSOC switches information
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RETCODE ParseAssocSwitches(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Parses the ASSOC switches - RESULTCLASSS,RESULTROLE ,ASSOCCLASSS
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RETCODE ParseAssocSwitchEx(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo,
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ASSOCSwitch assocSwitch);
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// Parsing Switch:Count ( /EVERY:N and /REPEAT:N )
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RETCODE ParseNumberedSwitch(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo,
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HELPTYPE htHelp,
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UINT uSwitchErrCode,
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UINT uNumberErrCode);
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// Validates a class;
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BOOL IsValidClass(CParsedInfo& rParsedInfo);
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// Checks whether methods are available with alias in case of alias specified.
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// and with class in case of class speicified.
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void ObtainMethodsAvailableFlag(CParsedInfo& rParsedInfo);
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// Checks whether Writeable Props are available with alias in case of alias
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// specified. and with class in case of class speicified.
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void ObtainWriteablePropsAvailailableFlag(CParsedInfo& rParsedInfo);
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// Checks whether FULL Props are available with alias in case of alias
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// specified. and with class in case of class speicified.
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void ObtainFULLPropsAvailailableFlag(CParsedInfo& rParsedInfo);
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// This function parses the verb interactive option
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RETCODE ParseVerbInteractive(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo, BOOL& bInvalidOption);
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// Prepares the output and append files for output redirection.
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RETCODE ProcessOutputAndAppendFiles(CParsedInfo& rParsedInfo, RETCODE retCode,
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BOOL bOpenOutInWriteMode);
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// Parse Unnamed Parameter list.
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RETCODE ParseUnnamedParamList(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Validates the named params with verb or method parameters.
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RETCODE ValidateVerbOrMethodParams(CParsedInfo& rParsedInfo);
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// Parses paramName = paramValue strings.
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RETCODE ParseParamsString(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo,
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XSLTDET& xdXSLTDet,
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_TCHAR* pszXSLFile);
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// Parses the node list file.
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RETCODE ParseNodeListFile(CHARVECTOR& cvTokens,
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CHARVECTOR::iterator& theIterator,
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CParsedInfo& rParsedInfo);
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// Retrieve Node by Node from Node list file
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BOOL GetNodeFromNodeFile(FILE* fpNodeListFile,
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FILETYPE eftNodeFileType,
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_TCHAR* szNodeName);
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public:
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// Gets the command tokenizer
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CCmdTokenizer& GetCmdTokenizer();
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// It does the Processing the token .
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RETCODE ProcessTokens(CParsedInfo& rParsedInfo);
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// Initializes the member variables
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void Initialize();
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// Uninitializes the member variables
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void Uninitialize(BOOL bFinal = FALSE);
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// Sets the locator object .
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BOOL SetLocatorObject(IWbemLocator* pIWbemLocator);
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};
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