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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.
#include "src/other_tools/utils/parse_computed_root.hpp"
#include "fmt/core.h"
#include "nlohmann/json.hpp"
#include "src/buildtool/build_engine/expression/expression.hpp"
auto ComputedRootParser::Create(
gsl::not_null<ExpressionPtr const*> const& repository) noexcept
-> std::optional<ComputedRootParser> {
if (not repository->IsNotNull() or not(*repository)->IsMap()) {
return std::nullopt;
}
try {
auto const type = (*repository)->Get("type", Expression::none_t{});
if (type.IsNotNull() and type->IsString() and
type->String() == "computed") {
return ComputedRootParser{repository};
}
} catch (...) {
return std::nullopt;
}
return std::nullopt;
}
auto ComputedRootParser::GetTargetRepository() const
-> expected<std::string, std::string> {
auto const repo = repository_->Get("repo", Expression::none_t{});
if (not repo.IsNotNull()) {
return unexpected<std::string>{"Mandatory key \"repo\" is missing"};
}
if (not repo->IsString()) {
return unexpected{fmt::format("Unsupported value {} for key \"repo\".",
repo->ToString())};
}
return repo->String();
}
auto ComputedRootParser::GetResult() const
-> expected<ComputedRoot, std::string> {
auto const repo = GetTargetRepository();
if (not repo) {
return unexpected{repo.error()};
}
auto const target = repository_->Get("target", Expression::none_t{});
if (not target.IsNotNull()) {
return unexpected<std::string>{"Mandatory key \"target\" is missing"};
}
if (not target->IsList() or target->List().size() != 2) {
return unexpected{fmt::format("Unsupported value {} for key \"target\"",
target->ToString())};
}
auto const& target_list = target->List();
auto const target_module = target_list.at(0);
auto const target_name = target_list.at(1);
if (not target_module->IsString() or not target_name->IsString()) {
return unexpected{fmt::format(
"Unsupported format {} for key \"target\"", target->ToString())};
}
auto const config = repository_->Get("config", Expression::none_t{});
if (config.IsNotNull() and not config->IsMap()) {
return unexpected{fmt::format("Unsupported value {} for key \"config\"",
config->ToString())};
}
return ComputedRoot{.repository = *repo,
.target_module = target_module->String(),
.target_name = target_module->String(),
.config = config.IsNotNull()
? config->ToJson()
: nlohmann::json::object()};
}
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