mirror of https://gitee.com/bigwinds/arangodb
87 lines
3.4 KiB
C++
87 lines
3.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief velocypack helper functions
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2015 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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/// @author Copyright 2015, ArangoDB GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "Basics/VelocyPackHelper.h"
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#include "Basics/Exceptions.h"
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using VelocyPackHelper = triagens::basics::VelocyPackHelper;
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// -----------------------------------------------------------------------------
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// --SECTION-- class VelocyPackHelper
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// --SECTION-- public static methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief returns a boolean sub-element, or a default if it is does not exist
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////////////////////////////////////////////////////////////////////////////////
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bool VelocyPackHelper::getBooleanValue (VPackSlice const& slice,
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char const* name,
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bool defaultValue) {
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VPackSlice const& sub = slice.get(name);
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if (sub.isBoolean()) {
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return sub.getBool();
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}
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return defaultValue;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief returns a string sub-element, or throws if <name> does not exist
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/// or it is not a string
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////////////////////////////////////////////////////////////////////////////////
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std::string VelocyPackHelper::checkAndGetStringValue (VPackSlice const& slice,
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char const* name) {
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VPackSlice sub = slice.get(name);
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if (! sub.isString()) {
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std::string msg = "The attribute '" + std::string(name)
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+ "' was not found or is not a string.";
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THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_BAD_PARAMETER, msg);
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}
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VPackValueLength len;
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char const* res = sub.getString(len);
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return std::string(res, len);
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}
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TRI_json_t* VelocyPackHelper::velocyPackToJson (VPackSlice const& slice) {
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return JsonHelper::fromString(slice.toJson());
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}
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// -----------------------------------------------------------------------------
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// --SECTION-- END-OF-FILE
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// -----------------------------------------------------------------------------
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
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// End:
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