CommandRunner.cpp

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#include <sstream>
#include <cstdlib>

#include "CS240Exception.h"
#include "StringUtil.h"

#include "CommandRunner.h"

using namespace std;

namespace CommandRunner
{
namespace
{
    string InvalidCommandErrorMessage(const string & commandText) {
        return string("invalid command: ") + commandText;
    }

    string CommandFailedErrorMessage(const string & commandText) {
        return string("command failed: ") + commandText;
    }
}

void Run(const string & commandText)
{

    string commandTextCopy = commandText;
    StringUtil::Trim(commandTextCopy);
    
    if (commandTextCopy.empty())
    {
        throw CS240Exception(InvalidCommandErrorMessage(commandTextCopy));
    }

    if (::system(commandTextCopy.c_str()) != 0)
    {
        throw CS240Exception(CommandFailedErrorMessage(commandTextCopy));
    }
}

}