77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
// ======================================================================== //
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// Copyright 2009-2019 Intel Corporation //
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// //
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// Licensed under the Apache License, Version 2.0 (the "License"); //
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// you may not use this file except in compliance with the License. //
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// You may obtain a copy of the License at //
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// //
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// http://www.apache.org/licenses/LICENSE-2.0 //
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// //
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// Unless required by applicable law or agreed to in writing, software //
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// distributed under the License is distributed on an "AS IS" BASIS, //
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //
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// See the License for the specific language governing permissions and //
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// limitations under the License. //
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// ======================================================================== //
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#pragma once
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#include <cstdlib>
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#include <stdexcept>
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#include <string>
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namespace oidn {
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// Command-line argument parser
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class ArgParser
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{
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private:
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int argc;
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char** argv;
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int pos;
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public:
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ArgParser(int argc, char* argv[])
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: argc(argc), argv(argv),
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pos(1)
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{}
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bool hasNext() const
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{
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return pos < argc;
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}
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std::string getNext()
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{
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if (pos < argc)
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return argv[pos++];
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else
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throw std::invalid_argument("argument expected");
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}
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std::string getNextOpt()
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{
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std::string str = getNext();
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if (str.empty() || str[0] != '-')
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throw std::invalid_argument("option expected");
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return str.substr(str.find_first_not_of("-"));
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}
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std::string getNextValue()
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{
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std::string str = getNext();
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if (!str.empty() && str[0] == '-')
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throw std::invalid_argument("value expected");
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return str;
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}
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int getNextValueInt()
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{
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std::string str = getNextValue();
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return atoi(str.c_str());
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}
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};
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} // namespace oidn
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