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 #include <stdexcept> 21 #include "cmdline.hxx" 22 23 /** Simple command line abstraction 24 */ 25 26 // Creation 27 CommandLine(size_t argc,char * argv[])28CommandLine::CommandLine(size_t argc, char* argv[]) 29 : m_argc(argc) 30 , m_argv(argv) 31 { 32 } 33 34 // Query 35 36 /** Returns an argument by name. If there are 37 duplicate argument names in the command line, 38 the first one wins. 39 Argument name and the argument value must be separated 40 by spaces. If the argument value starts with an 41 argument prefix use quotes else the return value is 42 an empty string because the value will be interpreted 43 as the next argument name. 44 If an argument value contains spaces use quotes. 45 46 @precond GetArgumentNames() -> has element ArgumentName 47 48 @throws std::invalid_argument exception 49 if the specified argument could not be 50 found 51 */ get_arg(const std::string & ArgumentName) const52std::string CommandLine::get_arg(const std::string& ArgumentName) const 53 { 54 std::string arg_value; 55 size_t i; 56 for (i = 0; i < m_argc; i++) 57 { 58 std::string arg = m_argv[i]; 59 60 if (ArgumentName == arg && ((i + 1) < m_argc) && !is_arg_name(m_argv[i + 1])) 61 { 62 arg_value = m_argv[i + 1]; 63 break; 64 } 65 } 66 67 if (i == m_argc) 68 throw std::invalid_argument("Invalid argument name"); 69 70 return arg_value; 71 } 72 73 // Command 74 75 /** Returns whether a given argument is an argument name 76 */ is_arg_name(const std::string & Argument)77bool CommandLine::is_arg_name(const std::string& Argument) 78 { 79 return (Argument.length() > 0 && Argument[0] == '-'); 80 } 81 82 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ 83