09a263e607
git-subtree-dir: deps/memkind/src git-subtree-split: bb9f19dd1b3ed6cc5e1b35919564ccf6f4b32f69
86 lines
2.9 KiB
C++
86 lines
2.9 KiB
C++
/*
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* Copyright (C) 2015 - 2018 Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice(s),
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice(s),
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <map>
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#include <vector>
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#include <string>
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class CommandLine
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{
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public:
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//Parse and write to val when option exist and strtol(...) > 0, otherwise val is not changed.
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//T should be an integer type.
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template<class T>
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void parse_with_strtol(const std::string &option, T &val)
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{
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if(args.count(option)) {
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T tmp = static_cast<T>(strtol(args[option].c_str(), NULL, 10));
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if(tmp > 0)
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val = tmp;
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else
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printf("Warning! Option '%s' may not be set.\n", option.c_str());
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} else {
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//Do not modify val.
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printf("Warning! Option '%s' is not present.\n", option.c_str());
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}
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}
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bool is_option_present(const std::string &option) const
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{
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return args.count(option);
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}
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bool is_option_set(const std::string option, std::string val)
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{
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if(is_option_present(option))
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return (args[option] == val);
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return false;
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}
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const std::string &get_option_value(const std::string &option)
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{
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return args[option];
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}
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CommandLine(int argc, char *argv[])
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{
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for (int i=0; i<argc; i++) {
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std::string arg(argv[i]);
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size_t found = arg.find("=");
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if(found != std::string::npos) {
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std::string option = arg.substr(0, found);
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std::string val = arg.substr(found+1, arg.length());
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args[option] = val;
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}
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}
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}
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private:
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std::map<std::string, std::string> args;
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};
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