/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#ifndef INCLUDED_SHELL_SOURCE_TOOLS_LNGCONVEX_CMDLINE_HXX
#define INCLUDED_SHELL_SOURCE_TOOLS_LNGCONVEX_CMDLINE_HXX

#include <string>

#include <sal/config.h>

#include <sal/types.h>


/** Simple command line abstraction
*/

class CommandLine
{
public:

    // Creation


    CommandLine(size_t argc, char* argv[]);


    // Query


    /** Returns an argument by name. If there are
        duplicate argument names in the command line,
        the first one wins.
        Argument name and the argument value must be separated
        by spaces. If the argument value starts with an
        argument prefix use quotes else the return value is
        an empty string because the value will be interpreted
        as the next argument name.
        If an argument value contains spaces use quotes.

        @precond    GetArgumentNames() -> has element ArgumentName

        @throws std::invalid_argument exception
        if the specified argument could not be
        found
    */
    std::string get_arg(const std::string& ArgumentName) const;


private:

    /** Returns whether a given argument is an argument name
    */
    static bool is_arg_name(const std::string& Argument);

private:
    size_t      m_argc;
    char**      m_argv;

// prevent copy and assignment
private:
    CommandLine(const CommandLine&) = delete;
    CommandLine& operator=(const CommandLine&) = delete;
};

#endif

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