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/*
* Copyright 2003-2019 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "MixRamp.hxx"
#include "VorbisComment.hxx"
#include "MixRampInfo.hxx"
#include "util/ASCII.hxx"
#include "util/StringView.hxx"
#include <assert.h>
template<typename T>
static bool
ParseMixRampTagTemplate(MixRampInfo &info, const T t) noexcept
{
const auto start = t["mixramp_start"];
if (!start.IsNull()) {
info.SetStart(std::string(start.data, start.size));
return true;
}
const auto end = t["mixramp_end"];
if (!start.IsNull()) {
info.SetEnd(std::string(end.data, end.size));
return true;
}
return false;
}
bool
ParseMixRampTag(MixRampInfo &info,
const char *name, const char *value) noexcept
{
assert(name != nullptr);
assert(value != nullptr);
struct NameValue {
const char *name;
const char *value;
gcc_pure
StringView operator[](const char *n) const noexcept {
return StringEqualsCaseASCII(name, n)
? value
: nullptr;
}
};
return ParseMixRampTagTemplate(info, NameValue{name, value});
}
bool
ParseMixRampVorbis(MixRampInfo &info, StringView entry) noexcept
{
struct VorbisCommentEntry {
StringView entry;
gcc_pure
StringView operator[](StringView n) const noexcept {
return GetVorbisCommentValue(entry, n);
}
};
return ParseMixRampTagTemplate(info, VorbisCommentEntry{entry});
}
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