John
123 lines
4.9 KiB
C++
123 lines
4.9 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file 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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*
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*/
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#pragma once
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#include <TestImpactCommandLineOptions.h>
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#include <TestImpactCommandLineOptionsException.h>
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#include <AzCore/Settings/CommandLine.h>
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namespace TestImpact
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{
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//! Representation of a command line option value name and its typed value.
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template<typename T>
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using OptionValue = AZStd::pair<AZStd::string, T>;
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//! Representation of a binary state command line option with its two values.
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template<typename T>
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using BinaryStateOption = AZStd::pair<OptionValue<T>, OptionValue<T>>;
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//! Representation of the values for a binary state option.
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template<typename T>
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using BinaryStateValue = AZStd::pair<T, T>;
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//! Attempts to parse the specified binary state option.
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template<typename T>
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AZStd::optional<T> ParseBinaryStateOption(
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const AZStd::string& optionName,
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const AZStd::pair<OptionValue<T>,
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OptionValue<T>>& state, const AZ::CommandLine& cmd)
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{
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if (const auto numSwitchValues = cmd.GetNumSwitchValues(optionName);
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numSwitchValues)
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{
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AZ_TestImpact_Eval(
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numSwitchValues == 1,
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CommandLineOptionsException,
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AZStd::string::format("Unexpected number of parameters for %s option", optionName.c_str()));
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const auto option = cmd.GetSwitchValue(optionName, 0);
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if (const auto& [optionValueText, optionValue] = state.first;
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option == optionValueText)
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{
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return optionValue;
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}
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if (const auto& [optionValueText, optionValue] = state.second;
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option == optionValueText)
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{
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return optionValue;
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}
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throw CommandLineOptionsException(
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AZStd::string::format("Unexpected value for %s option: %s", optionName.c_str(), option.c_str()));
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}
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return AZStd::nullopt;
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}
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//! Attempts to pass an arbitrarily sized state option.
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template<typename T>
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AZStd::optional<T> ParseMultiStateOption(
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const AZStd::string& optionName,
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const AZStd::vector<AZStd::pair<AZStd::string, T>>& states,
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const AZ::CommandLine& cmd)
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{
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if (const auto numSwitchValues = cmd.GetNumSwitchValues(optionName);
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numSwitchValues)
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{
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AZ_TestImpact_Eval(
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numSwitchValues == 1,
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CommandLineOptionsException,
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AZStd::string::format("Unexpected number of parameters for %s option", optionName.c_str()));
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const auto option = cmd.GetSwitchValue(optionName, 0);
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for (const auto& state : states)
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{
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if (const auto& [optionValueText, optionValue] = state;
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option == optionValueText)
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{
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return optionValue;
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}
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}
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throw CommandLineOptionsException(
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AZStd::string::format("Unexpected value for %s option: %s", optionName.c_str(), option.c_str()));
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}
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return AZStd::nullopt;
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}
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//! Attempts to pass a specialization of the binary state option where the command line values are "on" and "off".
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template<typename T>
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AZStd::optional<T> ParseOnOffOption(const AZStd::string& optionName, const AZStd::pair<T, T>& states, const AZ::CommandLine& cmd)
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{
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return ParseBinaryStateOption(optionName, BinaryStateOption<T>{ {"off", states.first}, { "on", states.second } }, cmd);
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}
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//! Attempts to pass a specialization of the binary state option where the command line values are "abort" and "continue".
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template<typename T>
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AZStd::optional<T> ParseAbortContinueOption(const AZStd::string& optionName, const AZStd::pair<T, T>& states, const AZ::CommandLine& cmd)
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{
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return ParseBinaryStateOption(optionName, BinaryStateOption<T>{ {"abort", states.first}, { "continue", states.second } }, cmd);
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}
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//! Attempts to parse a path option value.
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AZStd::optional<RepoPath> ParsePathOption(const AZStd::string& optionName, const AZ::CommandLine& cmd);
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//! Attempts to pass an unsigned integer option value.
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AZStd::optional<size_t> ParseUnsignedIntegerOption(const AZStd::string& optionName, const AZ::CommandLine& cmd);
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//! Attempts to parse an option value in seconds.
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AZStd::optional<AZStd::chrono::milliseconds> ParseSecondsOption(const AZStd::string& optionName, const AZ::CommandLine& cmd);
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} // namespace TestImpact
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