mpd/src/ls.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

72 lines
1.6 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#include "config.h"
#include "ls.hxx"
#include "input/Registry.hxx"
#include "input/InputPlugin.hxx"
#include "decoder/DecoderList.hxx"
#include "decoder/DecoderPlugin.hxx"
#include "client/Response.hxx"
#include "util/UriExtract.hxx"
#include <fmt/format.h>
#include <cassert>
#include <string>
void print_supported_uri_schemes_to_fp(FILE *fp)
{
#ifdef HAVE_UN
fprintf(fp, " file://");
#endif
std::set<std::string, std::less<>> protocols;
input_plugins_for_each(plugin)
plugin->ForeachSupportedUri([&](const char* uri) {
protocols.emplace(uri);
});
decoder_plugins_for_each([&protocols](const auto &plugin){
if (plugin.protocols != nullptr)
protocols.merge(plugin.protocols());
});
for (const auto& protocol : protocols) {
fprintf(fp, " %s", protocol.c_str());
}
fprintf(fp,"\n");
}
void
print_supported_uri_schemes(Response &r)
{
std::set<std::string, std::less<>> protocols;
input_plugins_for_each_enabled(plugin)
plugin->ForeachSupportedUri([&](const char* uri) {
protocols.emplace(uri);
});
decoder_plugins_for_each_enabled([&protocols](const auto &plugin){
if (plugin.protocols != nullptr)
protocols.merge(plugin.protocols());
});
for (const auto& protocol : protocols) {
r.Fmt(FMT_STRING("handler: {}\n"), protocol);
}
}
bool
uri_supported_scheme(const char *uri) noexcept
{
assert(uri_has_scheme(uri));
input_plugins_for_each_enabled(plugin)
if (plugin->SupportsUri(uri))
return true;
return decoder_plugins_try([uri](const auto &plugin){
return plugin.SupportsUri(uri);
});
}