103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/* This file is part of mastodonpp.
|
|
* Copyright © 2020, 2021 tastytea <tastytea@tastytea.de>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, version 3.
|
|
*
|
|
* 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 Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "types.hpp"
|
|
|
|
#include "log.hpp"
|
|
|
|
#include <algorithm>
|
|
#include <cctype>
|
|
|
|
namespace mastodonpp
|
|
{
|
|
|
|
using std::search;
|
|
using std::tolower;
|
|
|
|
answer_type::operator bool() const
|
|
{
|
|
return (curl_error_code == 0 && http_status == 200);
|
|
}
|
|
|
|
answer_type::operator string_view() const
|
|
{
|
|
return body;
|
|
}
|
|
|
|
std::ostream &operator<<(std::ostream &out, const answer_type &answer)
|
|
{
|
|
out << answer.body;
|
|
return out;
|
|
}
|
|
|
|
string_view answer_type::get_header(const string_view field) const
|
|
{
|
|
const string_view searchstring{string(field) += ':'};
|
|
// clang-format off
|
|
auto it{search(headers.begin(), headers.end(), searchstring.begin(),
|
|
searchstring.end(), [](unsigned char a, unsigned char b)
|
|
{ return tolower(a) == tolower(b); })};
|
|
// clang-format on
|
|
|
|
if (it != headers.end())
|
|
{
|
|
auto pos{static_cast<size_t>(it - headers.begin())};
|
|
pos = headers.find(':', pos) + 2;
|
|
const auto endpos{headers.find('\n', pos)};
|
|
return string_view(&headers[pos], endpos - pos);
|
|
}
|
|
|
|
return {};
|
|
}
|
|
|
|
parametermap answer_type::parse_pagination(const bool next) const
|
|
{
|
|
const string_view link{get_header("Link")};
|
|
if (link.empty())
|
|
{
|
|
return {};
|
|
}
|
|
|
|
const string_view direction{next ? R"(rel="next")" : R"(rel="prev")"};
|
|
auto endpos{link.find(direction)};
|
|
endpos = link.rfind('>', endpos);
|
|
auto startpos{link.rfind('?', endpos) + 1};
|
|
const string_view paramstr{link.substr(startpos, endpos - startpos)};
|
|
debuglog << "Found parameters in Link header: " << paramstr << '\n';
|
|
|
|
startpos = 0;
|
|
parametermap parameters;
|
|
while ((endpos = paramstr.find('=', startpos)) != string_view::npos)
|
|
{
|
|
parameterpair param;
|
|
param.first = paramstr.substr(startpos, endpos - startpos);
|
|
startpos = endpos + 1;
|
|
endpos = paramstr.find('&', startpos);
|
|
param.second = paramstr.substr(startpos, endpos - startpos);
|
|
parameters.insert(param);
|
|
|
|
if (endpos == string_view::npos)
|
|
{
|
|
break;
|
|
}
|
|
startpos = endpos + 1;
|
|
}
|
|
|
|
return parameters;
|
|
}
|
|
|
|
} // namespace mastodonpp
|