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arangodb/arangod/Aql/BindParameters.cpp

118 lines
4.2 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// @brief Aql, bind parameters
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2014 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Jan Steemann
/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
/// @author Copyright 2012-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#include "Aql/BindParameters.h"
#include "BasicsC/json.h"
#include "Utils/Exception.h"
using namespace triagens::aql;
// -----------------------------------------------------------------------------
// --SECTION-- constructors / destructors
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief create the parameters
////////////////////////////////////////////////////////////////////////////////
BindParameters::BindParameters (TRI_json_t* json)
: _json(json),
_parameters(),
_processed(false) {
}
////////////////////////////////////////////////////////////////////////////////
/// @brief destroy the parameters
////////////////////////////////////////////////////////////////////////////////
BindParameters::~BindParameters () {
if (_json != nullptr) {
TRI_FreeJson(TRI_UNKNOWN_MEM_ZONE, _json);
}
}
// -----------------------------------------------------------------------------
// --SECTION-- public functions
// -----------------------------------------------------------------------------
// -----------------------------------------------------------------------------
// --SECTION-- private functions
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief process the parameters
////////////////////////////////////////////////////////////////////////////////
void BindParameters::process () {
if (_processed || _json == nullptr) {
return;
}
if (! TRI_IsArrayJson(_json)) {
THROW_ARANGO_EXCEPTION(TRI_ERROR_QUERY_BIND_PARAMETERS_INVALID);
}
size_t const n = _json->_value._objects._length;
for (size_t i = 0; i < n; i += 2) {
TRI_json_t const* key = static_cast<TRI_json_t const*>(TRI_AtVector(&_json->_value._objects, i));
if (! TRI_IsStringJson(key)) {
// no string, should not happen
THROW_ARANGO_EXCEPTION(TRI_ERROR_QUERY_BIND_PARAMETER_TYPE); // TODO: add parameter name
}
std::string const k(key->_value._string.data, key->_value._string.length - 1);
TRI_json_t const* value = static_cast<TRI_json_t const*>(TRI_AtVector(&_json->_value._objects, i + 1));
if (value == nullptr) {
THROW_ARANGO_EXCEPTION(TRI_ERROR_QUERY_BIND_PARAMETER_TYPE); // TODO: add parameter name
}
if (k[0] == '@' && ! TRI_IsStringJson(value)) {
// collection bind parameter
THROW_ARANGO_EXCEPTION(TRI_ERROR_QUERY_BIND_PARAMETER_TYPE); // TODO: add parameter name
}
_parameters.insert(std::make_pair(k, value));
}
_processed = true;
}
// -----------------------------------------------------------------------------
// --SECTION-- END-OF-FILE
// -----------------------------------------------------------------------------
// Local Variables:
// mode: outline-minor
// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
// End: