mirror of https://gitee.com/bigwinds/arangodb
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2017 ArangoDB GmbH, Cologne, Germany
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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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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Michael Hackstein
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_AQL_AQL_FUNCTION_FEATURE_H
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#define ARANGOD_AQL_AQL_FUNCTION_FEATURE_H 1
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#include "ApplicationFeatures/ApplicationFeature.h"
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#include "Aql/AstNode.h"
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#include "Aql/Function.h"
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namespace arangodb {
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namespace velocypack {
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class Builder;
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}
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namespace aql {
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class AqlFunctionFeature final : public application_features::ApplicationFeature {
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public:
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static AqlFunctionFeature* AQLFUNCTIONS;
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public:
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explicit AqlFunctionFeature(application_features::ApplicationServer* server);
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public:
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void collectOptions(std::shared_ptr<options::ProgramOptions>) override final;
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void validateOptions(std::shared_ptr<options::ProgramOptions>) override final;
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void prepare() override final;
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void unprepare() override final;
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void add(Function const& func);
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void toVelocyPack(arangodb::velocypack::Builder&);
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Function const* byName(std::string const& name);
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std::string const& getOperatorName(AstNodeType const type,
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std::string const& errorMessage);
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private:
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// Internal functions
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void addTypeCheckFunctions();
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void addTypeCastFunctions();
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void addStringFunctions();
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void addNumericFunctions();
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void addListFunctions();
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void addDocumentFunctions();
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void addGeoFunctions();
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void addDateFunctions();
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void addMiscFunctions();
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void addStorageEngineFunctions();
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private:
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/// @brief AQL internal function names
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std::unordered_map<int, std::string const> const
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_internalFunctionNames;
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/// @brief AQL user-callable function names
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std::unordered_map<std::string, Function const> _functionNames;
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};
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} // namespace aql
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} // namespace arangodb
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#endif
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