96 lines
3.5 KiB
C++
96 lines
3.5 KiB
C++
// +------------------------------------------------------------------+
|
|
// | ____ _ _ __ __ _ __ |
|
|
// | / ___| |__ ___ ___| | __ | \/ | |/ / |
|
|
// | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / |
|
|
// | | |___| | | | __/ (__| < | | | | . \ |
|
|
// | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
|
|
// | |
|
|
// | Copyright Mathias Kettner 2014 mk@mathias-kettner.de |
|
|
// +------------------------------------------------------------------+
|
|
//
|
|
// This file is part of Check_MK.
|
|
// The official homepage is at http://mathias-kettner.de/check_mk.
|
|
//
|
|
// check_mk is free software; you can redistribute it and/or modify it
|
|
// under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation in version 2. check_mk is distributed
|
|
// in the hope that it will be useful, but WITHOUT ANY WARRANTY; with-
|
|
// out even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
|
// PARTICULAR PURPOSE. See the GNU General Public License for more de-
|
|
// tails. You should have received a copy of the GNU General Public
|
|
// License along with GNU Make; see the file COPYING. If not, write
|
|
// to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
// Boston, MA 02110-1301 USA.
|
|
|
|
#ifndef Column_h
|
|
#define Column_h
|
|
|
|
#include "config.h" // IWYU pragma: keep
|
|
#include <chrono>
|
|
#include <cstddef>
|
|
#include <functional>
|
|
#include <memory>
|
|
#include <string>
|
|
#include "Filter.h"
|
|
#include "Row.h"
|
|
#include "contact_fwd.h"
|
|
#include "opids.h"
|
|
class Aggregation;
|
|
class Aggregator;
|
|
class Logger;
|
|
class RowRenderer;
|
|
|
|
template <typename T>
|
|
const T *offset_cast(const void *ptr, size_t offset) {
|
|
// cppcheck is too dumb to see that this is just pointer arithmetic... :-/
|
|
// cppcheck-suppress invalidPointerCast
|
|
return reinterpret_cast<const T *>(reinterpret_cast<const char *>(ptr) +
|
|
offset);
|
|
}
|
|
|
|
enum class ColumnType { int_, double_, string, list, time, dict, blob, null };
|
|
|
|
using AggregationFactory = std::function<std::unique_ptr<Aggregation>()>;
|
|
|
|
class Column {
|
|
public:
|
|
Column(std::string name, std::string description, int indirect_offset,
|
|
int extra_offset, int extra_extra_offset, int offset);
|
|
virtual ~Column() = default;
|
|
|
|
[[nodiscard]] std::string name() const { return _name; }
|
|
[[nodiscard]] std::string description() const { return _description; }
|
|
|
|
template <typename T>
|
|
[[nodiscard]] const T *columnData(Row row) const {
|
|
return static_cast<const T *>(shiftPointer(row));
|
|
}
|
|
|
|
[[nodiscard]] virtual ColumnType type() const = 0;
|
|
|
|
virtual void output(Row row, RowRenderer &r, const contact *auth_user,
|
|
std::chrono::seconds timezone_offset) const = 0;
|
|
|
|
[[nodiscard]] virtual std::unique_ptr<Filter> createFilter(
|
|
Filter::Kind kind, RelationalOperator relOp,
|
|
const std::string &value) const = 0;
|
|
|
|
[[nodiscard]] virtual std::unique_ptr<Aggregator> createAggregator(
|
|
AggregationFactory factory) const = 0;
|
|
|
|
[[nodiscard]] Logger *logger() const { return _logger; }
|
|
|
|
private:
|
|
Logger *const _logger;
|
|
std::string _name;
|
|
std::string _description;
|
|
int _indirect_offset;
|
|
int _extra_offset;
|
|
int _extra_extra_offset;
|
|
int _offset;
|
|
|
|
[[nodiscard]] const void *shiftPointer(Row row) const;
|
|
};
|
|
|
|
#endif // Column_h
|