CreateHDB.cc File Reference

#include "Application.hh"
#include "CreateHDBCmdLineOptions.hh"
#include "HDBManager.hh"
#include "Exception.hh"
#include "FileSystem.hh"

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Functions
int	main (int argc, char *argv[])

Detailed Description

The command line tool that creates a new HDB.

Author

Pekka Jääskeläinen 2005 (pjaaskel-no.spam-cs.tut.fi)

Note

rating: red

Definition in file CreateHDB.cc.

Function Documentation

main()

int main	(	int	argc,
		char *	argv[]
	)

Main function.

Parses the command line and creates a new HDB.

Parameters

argc	The command line argument count.
argv	The command line arguments (passed to the interpreter).

Returns

The return status.

Definition at line 49 of file CreateHDB.cc.

                             {
 
    Application::initialize();
 
    CreateHDBCmdLineOptions options;
    try {
        options.parse(argv, argc);
    } catch (ParserStopRequest const&) {
            return EXIT_SUCCESS;
    } catch (const IllegalCommandLine& i) {
        std::cerr << i.errorMessage() << std::endl;
        return EXIT_FAILURE;
    }
 
    if (options.numberOfArguments() != 1) {
        std::cerr << "Illegal number of arguments." << std::endl;
        return EXIT_FAILURE;
    }
    
    const std::string fileName = options.argument(1);
 
    if (FileSystem::fileExists(fileName)) {
        std::cerr << "File already exists." << std::endl;
        return EXIT_SUCCESS;
    }
 
    try {
        HDB::HDBManager::createNew(fileName);
    } catch (const Exception& e) {
        std::cerr << "Error while creating HDB. " 
                  << e.errorMessage() << std::endl;
        return EXIT_FAILURE;
    }
 
    return EXIT_SUCCESS;
}

References CmdLineParser::argument(), HDB::HDBManager::createNew(), Exception::errorMessage(), FileSystem::fileExists(), Application::initialize(), CmdLineParser::numberOfArguments(), options, and CmdLineOptions::parse().

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