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ost::CommandOptionParse(3) Library Functions Manual ost::CommandOptionParse(3)

NAME

ost::CommandOptionParse - This is the CommandOptionParse interface class.

SYNOPSIS

#include <cmdoptns.h>

Public Member Functions


virtual ~CommandOptionParse ()=0
Virtual destructor needed so that the object may be correctly deleted. virtual bool argsHaveError ()=0
Get the value of the error flag set if the parser encountered errors. virtual const char * printErrors ()=0
Return a string of text describing the list of errors encountered. virtual const char * printUsage ()=0
Return a string that contains the usage description of this list of paramaters. virtual void registerError (const char *errMsg)=0
Register an error with this parser. virtual void performTask ()=0
The method should be invoked by the main code once it has determined that the application should be started.

Detailed Description

This is the CommandOptionParse interface class.

To implement this object you can call makeCommandOptionParse(); This will instantiate a dynamically allocated version of this class and parse the command line for the list of command options that are passed in.

Author

Gianni Mariani gianni@mariani.ws

Examples
cmdlineopt.cpp.

Constructor & Destructor Documentation

virtual ost::CommandOptionParse::~CommandOptionParse () [pure virtual]

Virtual destructor needed so that the object may be correctly deleted.

Member Function Documentation

virtual bool ost::CommandOptionParse::argsHaveError () [pure virtual]

Get the value of the error flag set if the parser encountered errors.

Examples
cmdlineopt.cpp.

virtual void ost::CommandOptionParse::performTask () [pure virtual]

The method should be invoked by the main code once it has determined that the application should be started.

Examples
cmdlineopt.cpp.

virtual const char* ost::CommandOptionParse::printErrors () [pure virtual]

Return a string of text describing the list of errors encountered.

Examples
cmdlineopt.cpp.

virtual const char* ost::CommandOptionParse::printUsage () [pure virtual]

Return a string that contains the usage description of this list of paramaters.

Examples
cmdlineopt.cpp.

virtual void ost::CommandOptionParse::registerError (const char * errMsg) [pure virtual]

Register an error with this parser. This string will be appended to the errors already buffered in this object.

Examples
cmdlineopt.cpp.

Author

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Sun Dec 27 2020 GNU CommonC++