1 files changed, 100 insertions, 0 deletions
diff --git a/src/types.cpp b/src/types.cpp
new file mode 100644
index 0000000..8c4575c
--- /dev/null
+++ b/src/types.cpp
@@ -0,0 +1,100 @@
+/*  This file is part of mastodonpp.
+ *  Copyright © 2020 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 "log.hpp"
+#include "types.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) += ':'};
+    auto it{search(headers.begin(), headers.end(),
+                   searchstring.begin(), searchstring.end(),
+                   [](unsigned char a, unsigned char b)
+                   { return tolower(a) == tolower(b); })};
+
+    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 auto 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