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51 lines
1.5 KiB
51 lines
1.5 KiB
/* |
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* Copyright (C) 2019 The Android Open Source Project |
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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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#include "linkerconfig/variables.h" |
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#include <android-base/properties.h> |
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#include "linkerconfig/log.h" |
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namespace android { |
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namespace linkerconfig { |
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namespace modules { |
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std::map<std::string, std::string> Variables::variables_; |
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std::optional<std::string> Variables::GetValue(const std::string& variable) { |
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// If variable is in predefined key-value pair, use this value |
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if (variables_.find(variable) != variables_.end() && |
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!variables_[variable].empty()) { |
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return {variables_[variable]}; |
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} |
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// If variable is defined as property, use this value |
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std::string prop_value = android::base::GetProperty(variable, ""); |
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if (!prop_value.empty()) { |
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return {prop_value}; |
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} |
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// If cannot find variable, return default value |
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return std::nullopt; |
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} |
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void Variables::AddValue(const std::string& key, const std::string& value) { |
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variables_[key] = value; |
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} |
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} // namespace modules |
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} // namespace linkerconfig |
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} // namespace android
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