mirror of https://gitee.com/bigwinds/arangodb
154 lines
6.4 KiB
C
154 lines
6.4 KiB
C
////////////////////////////////////////////////////////////////////////////////
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/// @brief utility functions for json objects
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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 2004-2013 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 triAGENS GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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/// @author Copyright 2012-2013, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#ifndef TRIAGENS_BASICS_C_JSON_UTILITIES_H
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#define TRIAGENS_BASICS_C_JSON_UTILITIES_H 1
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#include "BasicsC/common.h"
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#include "BasicsC/json.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// -----------------------------------------------------------------------------
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// --SECTION-- public functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup Json
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief compare two json values
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///
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/// the values are first compared by their types, and only by their values if
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/// the types are the same
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/// returns -1 if lhs is smaller than rhs, 0 if lhs == rhs, and 1 if rhs is
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/// greater than lhs
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////////////////////////////////////////////////////////////////////////////////
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int TRI_CompareValuesJson (const TRI_json_t* const, const TRI_json_t* const);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief check if two json values are the same
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////////////////////////////////////////////////////////////////////////////////
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bool TRI_CheckSameValueJson (const TRI_json_t* const, const TRI_json_t* const);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief checks if a json value is contained in a json list
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////////////////////////////////////////////////////////////////////////////////
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bool TRI_CheckInListJson (const TRI_json_t* const, const TRI_json_t* const);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief return the elements of a list that are between the specified bounds
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///
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/// lower and upper are the bounds values. if both lower and upper have a value,
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/// then each list element is checked against the range (lower ... uppper).
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/// if either lower or upper are null, then the comparison is done as either
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/// (-inf ... upper) or (lower ... +inf).
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///
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/// using the boolean flags includeLower and includeUpper it can be specified
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/// whether the bounds values are part of the range (true) or not (false)
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////////////////////////////////////////////////////////////////////////////////
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TRI_json_t* TRI_BetweenListJson (const TRI_json_t* const,
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const TRI_json_t* const,
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const bool,
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const TRI_json_t* const,
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const bool);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief uniquify a sorted json list into a new list
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///
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/// it is a prerequisite that the input list is already sorted.
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/// otherwise the result is unpredictable.
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////////////////////////////////////////////////////////////////////////////////
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TRI_json_t* TRI_UniquifyListJson (const TRI_json_t* const);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief create the union of two sorted json lists into a new list
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///
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/// the result list can be made unique or non-unique. it is a prerequisite that
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/// both input lists are already sorted. otherwise the result is unpredictable.
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////////////////////////////////////////////////////////////////////////////////
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TRI_json_t* TRI_UnionizeListsJson (const TRI_json_t* const,
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const TRI_json_t* const,
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const bool);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief create the intersection of two sorted json lists into a new list
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///
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/// the result list can be made unique or non-unique. it is a prerequisite that
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/// both input lists are already sorted. otherwise the result is unpredictable.
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////////////////////////////////////////////////////////////////////////////////
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TRI_json_t* TRI_IntersectListsJson (const TRI_json_t* const,
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const TRI_json_t* const,
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const bool);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief sorts a json list in place
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////////////////////////////////////////////////////////////////////////////////
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TRI_json_t* TRI_SortListJson (TRI_json_t* const);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief checks if a JSON struct has duplicate attribute names
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////////////////////////////////////////////////////////////////////////////////
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bool TRI_HasDuplicateKeyJson (const TRI_json_t* const);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief merge two JSON documents into one
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////////////////////////////////////////////////////////////////////////////////
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TRI_json_t* TRI_MergeJson (TRI_memory_zone_t*,
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const TRI_json_t* const,
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const TRI_json_t* const,
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const bool);
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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#ifdef __cplusplus
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}
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#endif
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#endif
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|/// @page\\|// --SECTION--\\|/// @\\}"
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// End:
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