mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-25 00:52:02 +00:00
ed5b521110
* Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2]. * Less dependencies [#CLICKHOUSE-2].
71 lines
1.4 KiB
C++
71 lines
1.4 KiB
C++
#pragma once
|
||
|
||
#include <common/singleton.h>
|
||
#include <common/Common.h>
|
||
|
||
|
||
/** @brief Класс, позволяющий узнавать, принадлежит ли поисковая система или операционная система
|
||
* другой поисковой или операционной системе, соответственно.
|
||
* Информацию об иерархии регионов загружает из БД.
|
||
*/
|
||
class TechDataHierarchy
|
||
{
|
||
private:
|
||
UInt8 os_parent[256] {};
|
||
UInt8 se_parent[256] {};
|
||
|
||
public:
|
||
void reload();
|
||
|
||
/// Has corresponding section in configuration file.
|
||
static bool isConfigured();
|
||
|
||
|
||
/// Отношение "принадлежит".
|
||
bool isOSIn(UInt8 lhs, UInt8 rhs) const
|
||
{
|
||
while (lhs != rhs && os_parent[lhs])
|
||
lhs = os_parent[lhs];
|
||
|
||
return lhs == rhs;
|
||
}
|
||
|
||
bool isSEIn(UInt8 lhs, UInt8 rhs) const
|
||
{
|
||
while (lhs != rhs && se_parent[lhs])
|
||
lhs = se_parent[lhs];
|
||
|
||
return lhs == rhs;
|
||
}
|
||
|
||
|
||
UInt8 OSToParent(UInt8 x) const
|
||
{
|
||
return os_parent[x];
|
||
}
|
||
|
||
UInt8 SEToParent(UInt8 x) const
|
||
{
|
||
return se_parent[x];
|
||
}
|
||
|
||
|
||
/// К самому верхнему предку.
|
||
UInt8 OSToMostAncestor(UInt8 x) const
|
||
{
|
||
while (os_parent[x])
|
||
x = os_parent[x];
|
||
return x;
|
||
}
|
||
|
||
UInt8 SEToMostAncestor(UInt8 x) const
|
||
{
|
||
while (se_parent[x])
|
||
x = se_parent[x];
|
||
return x;
|
||
}
|
||
};
|
||
|
||
|
||
class TechDataHierarchySingleton : public Singleton<TechDataHierarchySingleton>, public TechDataHierarchy {};
|