Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include <stdexcept>
      22             : #include <osl/diagnose.h>
      23             : #include "cmdline.hxx"
      24             : 
      25             : 
      26             : /** Simple command line abstraction
      27             : */
      28             : 
      29             : // Creation
      30             : 
      31             : 
      32           0 : CommandLine::CommandLine(size_t argc, char* argv[]) :
      33             :     m_argc(argc),
      34           0 :     m_argv(argv)
      35             : {
      36           0 : }
      37             : 
      38             : 
      39             : // Query
      40             : 
      41             : 
      42             : /** Returns an argument by name. If there are
      43             :     duplicate argument names in the command line,
      44             :     the first one wins.
      45             :     Argument name an the argument value must be separated
      46             :     by spaces. If the argument value starts with an
      47             :     argument prefix use quotes else the return value is
      48             :     an empty string because the value will be interpreted
      49             :     as the next argument name.
      50             :     If an argument value contains spaces use quotes.
      51             : 
      52             :     @precond    GetArgumentNames() -> has element ArgumentName
      53             : 
      54             :     @throws std::invalid_argument exception
      55             :     if the specified argument could not be
      56             :     found
      57             : */
      58           0 : std::string CommandLine::get_arg(const std::string& ArgumentName) const
      59             : {
      60           0 :     std::string arg_value;
      61             :     size_t i;
      62           0 :     for ( i = 0; i < m_argc; i++)
      63             :     {
      64           0 :         std::string arg = m_argv[i];
      65             : 
      66           0 :         if (ArgumentName == arg && ((i+1) < m_argc) && !is_arg_name(m_argv[i+1]))
      67             :         {
      68           0 :             arg_value = m_argv[i+1];
      69           0 :             break;
      70             :         }
      71           0 :     }
      72             : 
      73           0 :     if (i == m_argc)
      74           0 :         throw std::invalid_argument("Invalid argument name");
      75             : 
      76           0 :     return arg_value;
      77             : }
      78             : 
      79             : 
      80             : // Command
      81             : 
      82             : 
      83             : /** Returns whether a given argument is an argument name
      84             : */
      85           0 : bool CommandLine::is_arg_name(const std::string& Argument) const
      86             : {
      87           0 :     return (Argument.length() > 0 && Argument[0] == '-');
      88             : }
      89             : 
      90             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */