mirror of https://gitee.com/bigwinds/arangodb
131 lines
4.6 KiB
C++
131 lines
4.6 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief Aql, bind parameters
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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 Jan Steemann
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/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
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/// @author Copyright 2012-2013, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "Aql/BindParameters.h"
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#include "Basics/json.h"
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#include "Basics/json-utilities.h"
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#include "Basics/Exceptions.h"
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using namespace triagens::aql;
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors / destructors
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief create the parameters
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////////////////////////////////////////////////////////////////////////////////
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BindParameters::BindParameters (TRI_json_t* json)
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: _json(json),
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_parameters(),
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_processed(false) {
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief destroy the parameters
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////////////////////////////////////////////////////////////////////////////////
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BindParameters::~BindParameters () {
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if (_json != nullptr) {
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TRI_FreeJson(TRI_UNKNOWN_MEM_ZONE, _json);
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}
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}
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// -----------------------------------------------------------------------------
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// --SECTION-- public methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief create a hash value for the bind parameters
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////////////////////////////////////////////////////////////////////////////////
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uint64_t BindParameters::hash () const {
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if (_json == nullptr) {
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return 0x12345678abcdef;
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}
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return TRI_FastHashJson(_json);
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}
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// -----------------------------------------------------------------------------
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// --SECTION-- private methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief process the parameters
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////////////////////////////////////////////////////////////////////////////////
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void BindParameters::process () {
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if (_processed || _json == nullptr) {
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return;
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}
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if (! TRI_IsObjectJson(_json)) {
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THROW_ARANGO_EXCEPTION(TRI_ERROR_QUERY_BIND_PARAMETERS_INVALID);
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}
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size_t const n = TRI_LengthVector(&_json->_value._objects);
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for (size_t i = 0; i < n; i += 2) {
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auto key = static_cast<TRI_json_t const*>(TRI_AddressVector(&_json->_value._objects, i));
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if (! TRI_IsStringJson(key)) {
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// no string, should not happen
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THROW_ARANGO_EXCEPTION(TRI_ERROR_QUERY_BIND_PARAMETER_TYPE);
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}
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std::string const k(key->_value._string.data, key->_value._string.length - 1);
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auto value = static_cast<TRI_json_t const*>(TRI_AtVector(&_json->_value._objects, i + 1));
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if (value == nullptr) {
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THROW_ARANGO_EXCEPTION_PARAMS(TRI_ERROR_QUERY_BIND_PARAMETER_TYPE, k.c_str());
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}
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if (k[0] == '@' && ! TRI_IsStringJson(value)) {
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// collection bind parameter
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THROW_ARANGO_EXCEPTION_PARAMS(TRI_ERROR_QUERY_BIND_PARAMETER_TYPE, k.c_str());
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}
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_parameters.emplace(std::make_pair(k, std::make_pair(value, false)));
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}
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_processed = true;
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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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