ClickHouse/programs/library-bridge/LibraryUtils.h

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2021-03-05 09:38:00 +00:00
#pragma once
#include <Common/StringUtils/StringUtils.h>
#include <Dictionaries/LibraryDictionarySourceExternal.h>
#include <Core/Block.h>
#include <ext/bit_cast.h>
#include <ext/range.h>
namespace DB
{
class CStringsHolder
{
public:
using Container = std::vector<std::string>;
explicit CStringsHolder(const Container & strings_pass)
{
strings_holder = strings_pass;
strings.size = strings_holder.size();
ptr_holder = std::make_unique<ClickHouseLibrary::CString[]>(strings.size);
strings.data = ptr_holder.get();
size_t i = 0;
for (auto & str : strings_holder)
{
strings.data[i] = str.c_str();
++i;
}
}
ClickHouseLibrary::CStrings strings; // will pass pointer to lib
private:
std::unique_ptr<ClickHouseLibrary::CString[]> ptr_holder = nullptr;
Container strings_holder;
};
}