mpd/src/util/MimeType.cxx
Max Kellermann 8b77da545d *: use transparent comparison for std::{map,set} with std::string keys
This avoids many std::string temporaries for lookups.
2023-03-12 09:12:02 +01:00

30 lines
795 B
C++

// SPDX-License-Identifier: BSD-2-Clause
// author: Max Kellermann <max.kellermann@gmail.com>
#include "MimeType.hxx"
#include "IterableSplitString.hxx"
#include "util/StringSplit.hxx"
#include "util/StringStrip.hxx"
std::string_view
GetMimeTypeBase(std::string_view s) noexcept
{
return Split(s, ';').first;
}
std::map<std::string, std::string, std::less<>>
ParseMimeTypeParameters(std::string_view mime_type) noexcept
{
/* discard the first segment (the base MIME type) */
const auto params = Split(mime_type, ';').second;
std::map<std::string, std::string, std::less<>> result;
for (const std::string_view i : IterableSplitString(params, ';')) {
const auto s = Split(Strip(i), '=');
if (!s.first.empty() && s.second.data() != nullptr)
result.emplace(s);
}
return result;
}