72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
// Copyright 2022 Memgraph Ltd.
|
|
//
|
|
// Use of this software is governed by the Business Source License
|
|
// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
|
|
// License, and you may not use this file except in compliance with the Business Source License.
|
|
//
|
|
// As of the Change Date specified in that file, in accordance with
|
|
// the Business Source License, use of this software will be governed
|
|
// by the Apache License, Version 2.0, included in the file
|
|
// licenses/APL.txt.
|
|
|
|
#pragma once
|
|
|
|
#include <algorithm>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
#include "storage/v2/property_value.hpp"
|
|
#include "utils/logging.hpp"
|
|
|
|
/**
|
|
* Encapsulates user provided parameters (and stripped literals)
|
|
* and provides ways of obtaining them by position.
|
|
*/
|
|
namespace memgraph::query {
|
|
|
|
struct Parameters {
|
|
public:
|
|
/**
|
|
* Adds a value to the stripped arguments under a token position.
|
|
*
|
|
* @param position Token position in query of value.
|
|
* @param value
|
|
*/
|
|
void Add(int position, const storage::PropertyValue &value) { storage_.emplace_back(position, value); }
|
|
|
|
/**
|
|
* Returns the value found for the given token position.
|
|
*
|
|
* @param position Token position in query of value.
|
|
* @return Value for the given token position.
|
|
*/
|
|
const storage::PropertyValue &AtTokenPosition(int position) const {
|
|
auto found = std::find_if(storage_.begin(), storage_.end(), [&](const auto &a) { return a.first == position; });
|
|
MG_ASSERT(found != storage_.end(), "Token position must be present in container");
|
|
return found->second;
|
|
}
|
|
|
|
/**
|
|
* Returns the position-th stripped value. Asserts that this
|
|
* container has at least (position + 1) elements.
|
|
*
|
|
* @param position Which stripped param is sought.
|
|
* @return Token position and value for sought param.
|
|
*/
|
|
const std::pair<int, storage::PropertyValue> &At(int position) const {
|
|
MG_ASSERT(position < static_cast<int>(storage_.size()), "Invalid position");
|
|
return storage_[position];
|
|
}
|
|
|
|
/** Returns the number of arguments in this container */
|
|
auto size() const { return storage_.size(); }
|
|
|
|
auto begin() const { return storage_.begin(); }
|
|
auto end() const { return storage_.end(); }
|
|
|
|
private:
|
|
std::vector<std::pair<int, storage::PropertyValue>> storage_;
|
|
};
|
|
|
|
} // namespace memgraph::query
|