mpd/src/util/MimeType.cxx
2021-01-01 19:59:15 +01:00

56 lines
1.9 KiB
C++

/*
* Copyright 2016-2021 Max Kellermann <max.kellermann@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "MimeType.hxx"
#include "IterableSplitString.hxx"
#include "StringView.hxx"
std::string_view
GetMimeTypeBase(std::string_view s) noexcept
{
return StringView(s).Split(';').first;
}
std::map<std::string, std::string>
ParseMimeTypeParameters(std::string_view mime_type) noexcept
{
/* discard the first segment (the base MIME type) */
const auto params = StringView(mime_type).Split(';').second;
std::map<std::string, std::string> result;
for (auto i : IterableSplitString(params, ';')) {
i.Strip();
auto s = i.Split('=');
if (!s.second.IsNull())
result.emplace(s);
}
return result;
}