52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
/* This file is part of curl_wrapper.
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* Copyright © 2020 tastytea <tastytea@tastytea.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "types.hpp"
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#include <algorithm>
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#include <cctype>
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#include <string>
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#include <string_view>
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namespace curl_wrapper
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{
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using std::tolower;
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std::string_view answer::get_header(const std::string_view field) const
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{
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const string searchstring{string(field) += ":"};
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// clang-format off
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auto it{std::search(headers.begin(), headers.end(), searchstring.begin(),
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searchstring.end(),
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[](unsigned char a, unsigned char b)
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{ return tolower(a) == tolower(b); })};
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// clang-format on
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if (it != headers.end())
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{
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auto pos{static_cast<size_t>(it - headers.begin())};
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pos = headers.find(':', pos) + 1;
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pos = headers.find_first_not_of(' ', pos);
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const auto endpos{headers.find_first_of("\r\n", pos)};
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return string_view(&headers[pos], endpos - pos);
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}
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return {};
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}
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} // namespace curl_wrapper
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