inspircd/include/utility/string_view.h
2021-04-08 20:00:46 +01:00

38 lines
1.2 KiB
C++

/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2021 Sadie Powell <sadie@witchery.services>
*
* This file is part of InspIRCd. InspIRCd 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, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
namespace insp
{
/** Creates a view of a subsection of a string.
* @param str The string to create a view of.
* @param begin The position within the string to start the view at.
* @param end The position within the string to end the view at.
*/
template <typename Iterator>
std::string_view substring_view(const std::string& str, Iterator begin, Iterator end)
{
std::string_view sv = str;
sv.remove_prefix(std::distance(str.begin(), begin));
sv.remove_suffix(std::distance(end, str.end()));
return sv;
}
}