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| 1 | // Copyright 2019-2022 Cambridge Quantum Computing | |||
| 2 | // | |||
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |||
| 4 | // you may not use this file except in compliance with the License. | |||
| 5 | // You may obtain a copy of the License at | |||
| 6 | // | |||
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 | |||
| 8 | // | |||
| 9 | // Unless required by applicable law or agreed to in writing, software | |||
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, | |||
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||
| 12 | // See the License for the specific language governing permissions and | |||
| 13 | // limitations under the License. | |||
| 14 | ||||
| 15 | #include "OpJsonFactory.hpp" | |||
| 16 | ||||
| 17 | #include "OpType/OpTypeInfo.hpp" | |||
| 18 | #include "Ops/Op.hpp" | |||
| 19 | #include "Utils/Json.hpp" | |||
| 20 | ||||
| 21 | namespace tket { | |||
| 22 | 65 | std::map<OpType, OpJsonFactory::JsonConstruct>& OpJsonFactory::c_methods_() { | ||
| 23 | static std::unique_ptr<std::map<OpType, OpJsonFactory::JsonConstruct>> | |||
| 24 | methods = | |||
| 25 |
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65 | std::make_unique<std::map<OpType, OpJsonFactory::JsonConstruct>>(); | |
| 26 | 65 | return *methods; | ||
| 27 | } | |||
| 28 | 39 | std::map<OpType, OpJsonFactory::JsonProduce>& OpJsonFactory::p_methods_() { | ||
| 29 | static std::unique_ptr<std::map<OpType, OpJsonFactory::JsonProduce>> methods = | |||
| 30 |
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39 | std::make_unique<std::map<OpType, OpJsonFactory::JsonProduce>>(); | |
| 31 | 39 | return *methods; | ||
| 32 | } | |||
| 33 | ||||
| 34 | 13 | bool OpJsonFactory::register_method( | ||
| 35 | const OpType& type, JsonConstruct create_method, | |||
| 36 | JsonProduce produce_method) { | |||
| 37 |
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13 | if (auto it = c_methods_().find(type); it == c_methods_().end()) { |
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13 | c_methods_()[type] = create_method; | |
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13 | p_methods_()[type] = produce_method; | |
| 40 | 13 | return true; | ||
| 41 | } | |||
| 42 | ✗ | return false; | ||
| 43 | } | |||
| 44 | ||||
| 45 | 13 | Op_ptr OpJsonFactory::from_json(const nlohmann::json& j) { | ||
| 46 |
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13 | const auto type = j.at("type").get<OpType>(); | |
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13 | if (auto it = c_methods_().find(type); it != c_methods_().end()) { |
| 48 |
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13 | return it->second(j); | |
| 49 | } | |||
| 50 | ✗ | throw JsonError( | ||
| 51 |
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✗ | "No from_json conversion for type " + optypeinfo().at(type).name); | |
| 52 | } | |||
| 53 | ||||
| 54 | 13 | nlohmann::json OpJsonFactory::to_json(const Op_ptr& op) { | ||
| 55 | 13 | const OpType& type = op->get_type(); | ||
| 56 |
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13 | if (auto it = p_methods_().find(type); it != p_methods_().end()) { |
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13 | return it->second(op); | |
| 58 | } | |||
| 59 | ✗ | throw JsonError( | ||
| 60 | ✗ | "No to_json conversion registered for type: " + | ||
| 61 | ✗ | optypeinfo().at(type).name); | ||
| 62 | } | |||
| 63 | ||||
| 64 | } // namespace tket | |||
| 65 |