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Diffstat (limited to 'samples/ObjectDetection/src/CmdArgsParser.cpp')
-rw-r--r-- | samples/ObjectDetection/src/CmdArgsParser.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/samples/ObjectDetection/src/CmdArgsParser.cpp b/samples/ObjectDetection/src/CmdArgsParser.cpp new file mode 100644 index 0000000000..b8c74bc10f --- /dev/null +++ b/samples/ObjectDetection/src/CmdArgsParser.cpp @@ -0,0 +1,70 @@ +// +// Copyright © 2020 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#include "CmdArgsParser.hpp" +#include <iostream> +/* + * Checks that a particular option was specified by the user + */ +bool CheckOptionSpecified(const std::map<std::string, std::string>& options, const std::string& option) +{ + auto it = options.find(option); + return it!=options.end(); +} + +/* + * Retrieves the user provided option + */ +std::string GetSpecifiedOption(const std::map<std::string, std::string>& options, const std::string& option) +{ + if (CheckOptionSpecified(options, option)){ + return options.at(option); + } + else + { + throw std::invalid_argument("Required option: " + option + " not defined."); + } +} + +/* + * Parses all the command line options provided by the user and stores in a map. + */ +int ParseOptions(std::map<std::string, std::string>& options, std::map<std::string, std::string>& acceptedOptions, + char *argv[], int argc) +{ + for (int i = 1; i < argc; ++i) + { + std::string currentOption = std::string(argv[i]); + auto it = acceptedOptions.find(currentOption); + if (it != acceptedOptions.end()) + { + if (i + 1 < argc && std::string(argv[i + 1]).rfind("--", 0) != 0) + { + std::string value = argv[++i]; + options.insert({it->first, value}); + } + else if (std::string(argv[i]) == HELP) + { + std::cout << "Available options" << std::endl; + for (auto & acceptedOption : acceptedOptions) + { + std::cout << acceptedOption.first << " : " << acceptedOption.second << std::endl; + } + return 2; + } + else + { + std::cerr << std::string(argv[i]) << " option requires one argument." << std::endl; + return 1; + } + } + else + { + std::cerr << "Unrecognised option: " << std::string(argv[i]) << std::endl; + return 1; + } + } + return 0; +} |