65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
/*
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* Copyright 2003-2021 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "ScanVorbisComment.hxx"
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#include "XiphTags.hxx"
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#include "tag/Table.hxx"
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#include "tag/Handler.hxx"
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#include "tag/VorbisComment.hxx"
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#include "util/StringView.hxx"
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/**
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* Check if the comment's name equals the passed name, and if so, copy
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* the comment value into the tag.
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*/
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static bool
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vorbis_copy_comment(StringView comment,
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StringView name, TagType tag_type,
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TagHandler &handler) noexcept
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{
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const auto value = GetVorbisCommentValue(comment, name);
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if (!value.IsNull()) {
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handler.OnTag(tag_type, value);
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return true;
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}
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return false;
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}
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void
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ScanVorbisComment(StringView comment, TagHandler &handler) noexcept
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{
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if (handler.WantPair()) {
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const auto split = comment.Split('=');
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if (!split.first.empty() && !split.second.IsNull())
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handler.OnPair(split.first, split.second);
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}
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for (const struct tag_table *i = xiph_tags; i->name != nullptr; ++i)
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if (vorbis_copy_comment(comment, i->name, i->type,
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handler))
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return;
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for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i)
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if (vorbis_copy_comment(comment,
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tag_item_names[i], TagType(i),
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handler))
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return;
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}
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