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// Copyright 2024 Huawei Cloud Computing Technology Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef INCLUDED_SRC_OTHER_TOOLS_UTILS_PARSE_COMPUTED_ROOT_HPP
#define INCLUDED_SRC_OTHER_TOOLS_UTILS_PARSE_COMPUTED_ROOT_HPP
#include <optional>
#include <string>
#include "gsl/gsl"
#include "src/buildtool/build_engine/expression/expression_ptr.hpp"
#include "src/buildtool/file_system/file_root.hpp"
#include "src/utils/cpp/expected.hpp"
class ComputedRootParser final {
public:
/// \brief Create a parser for computed roots
/// \param repository Repository to be parsed
/// \return Initialized parser on success, or std::nullopt if repository
/// isn't Map or type is not computed.
[[nodiscard]] static auto Create(
gsl::not_null<ExpressionPtr const*> const& repository) noexcept
-> std::optional<ComputedRootParser>;
[[nodiscard]] auto GetTargetRepository() const
-> expected<std::string, std::string>;
[[nodiscard]] auto GetResult() const
-> expected<FileRoot::ComputedRoot, std::string>;
private:
ExpressionPtr const& repository_;
explicit ComputedRootParser(
gsl::not_null<ExpressionPtr const*> const& repository)
: repository_{*repository} {}
};
#endif // INCLUDED_SRC_OTHER_TOOLS_UTILS_PARSE_COMPUTED_ROOT_HPP
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