cmdline.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#include <stdexcept>
#include "cmdline.hxx"
 
// Creation
 
CommandLine::CommandLine(size_t argc, char* argv[])
    : m_argc(argc)
    , m_argv(argv)
{
}
 
// Query
 
std::string CommandLine::get_arg(const std::string& ArgumentName) const
{
    std::string arg_value;
    size_t i;
    for (i = 0; i < m_argc; i++)
    {
        std::string arg = m_argv[i];
 
        if (ArgumentName == arg && ((i + 1) < m_argc) && !is_arg_name(m_argv[i + 1]))
        {
            arg_value = m_argv[i + 1];
            break;
        }
    }
 
    if (i == m_argc)
        throw std::invalid_argument("Invalid argument name");
 
    return arg_value;
}
 
// Command
 
bool CommandLine::is_arg_name(const std::string& Argument)
{
    return (Argument.length() > 0 && Argument[0] == '-');
}
 
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