mirror of https://gitee.com/bigwinds/arangodb
135 lines
5.4 KiB
C++
135 lines
5.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief json shaper used to compute the shape of an json object
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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 2014 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS 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 Dr. Frank Celler
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/// @author Martin Schoenert
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/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
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/// @author Copyright 2006-2013, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGODB_VOC_BASE_SHAPER_H
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#define ARANGODB_VOC_BASE_SHAPER_H 1
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#include "Basics/Common.h"
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#include "Basics/json.h"
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#include "VocBase/shaped-json.h"
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// -----------------------------------------------------------------------------
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// --SECTION-- BasicShapes
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief static const information about basic shape types
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////////////////////////////////////////////////////////////////////////////////
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struct BasicShapes {
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static TRI_shape_pid_t const TRI_SHAPE_SID_NULL;
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static TRI_shape_pid_t const TRI_SHAPE_SID_BOOLEAN;
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static TRI_shape_pid_t const TRI_SHAPE_SID_NUMBER;
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static TRI_shape_pid_t const TRI_SHAPE_SID_SHORT_STRING;
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static TRI_shape_pid_t const TRI_SHAPE_SID_LONG_STRING;
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static TRI_shape_pid_t const TRI_SHAPE_SID_LIST;
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static TRI_shape_t const _shapeNull;
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static TRI_shape_t const _shapeBoolean;
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static TRI_shape_t const _shapeNumber;
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static TRI_shape_t const _shapeShortString;
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static TRI_shape_t const _shapeLongString;
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static TRI_shape_t const _shapeList;
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static uint32_t const TypeLengths[5];
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static TRI_shape_t const* ShapeAddresses[7];
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};
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// -----------------------------------------------------------------------------
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// --SECTION-- Shaper
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief json shaper
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////////////////////////////////////////////////////////////////////////////////
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class Shaper {
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors / destructors
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// -----------------------------------------------------------------------------
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public:
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Shaper (Shaper const&) = delete;
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Shaper& operator= (Shaper const&) = delete;
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Shaper ();
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virtual ~Shaper ();
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// -----------------------------------------------------------------------------
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// --SECTION-- public methods
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// -----------------------------------------------------------------------------
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public:
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////////////////////////////////////////////////////////////////////////////////
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/// @brief looks up a shape by identifier
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////////////////////////////////////////////////////////////////////////////////
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virtual TRI_shape_t const* lookupShapeId (TRI_shape_sid_t) = 0;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief looks up an attribute name by identifier
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////////////////////////////////////////////////////////////////////////////////
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virtual char const* lookupAttributeId (TRI_shape_aid_t) = 0;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief checks whether a shape is of primitive type
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////////////////////////////////////////////////////////////////////////////////
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static TRI_shape_t const* lookupSidBasicShape (TRI_shape_sid_t);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief checks whether a shape is of primitive type
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////////////////////////////////////////////////////////////////////////////////
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static TRI_shape_t const* lookupBasicShape (TRI_shape_t const*);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief returns the first id for user-defined shapes
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////////////////////////////////////////////////////////////////////////////////
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static inline TRI_shape_sid_t firstCustomShapeId () {
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return BasicShapes::TRI_SHAPE_SID_LIST + 1;
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}
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};
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#endif
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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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