2009-02-28 16:44:41 +01:00
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/*
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2013-07-28 20:31:27 +02:00
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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2009-02-28 16:44:41 +01:00
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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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2009-03-13 18:43:16 +01:00
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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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2009-02-28 16:44:41 +01:00
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*/
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2009-11-12 09:12:38 +01:00
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#include "config.h"
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2013-07-28 20:31:27 +02:00
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#include "ApeTag.hxx"
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#include "ApeLoader.hxx"
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2013-07-30 20:11:57 +02:00
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#include "Tag.hxx"
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2013-07-29 07:37:52 +02:00
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#include "TagTable.hxx"
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2013-07-29 07:32:36 +02:00
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#include "TagHandler.hxx"
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2013-10-26 15:14:54 +02:00
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#include "fs/Path.hxx"
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2009-02-28 16:44:41 +01:00
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2013-10-15 22:25:32 +02:00
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#include <string>
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2013-09-04 23:53:50 +02:00
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#include <string.h>
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2012-09-25 09:37:16 +02:00
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const struct tag_table ape_tags[] = {
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2012-02-11 10:34:21 +01:00
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{ "album artist", TAG_ALBUM_ARTIST },
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{ "year", TAG_DATE },
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2013-07-28 20:31:27 +02:00
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{ nullptr, TAG_NUM_OF_ITEM_TYPES }
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2009-07-19 17:59:35 +02:00
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};
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2013-10-20 13:32:59 +02:00
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static TagType
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2010-05-31 08:22:53 +02:00
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tag_ape_name_parse(const char *name)
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{
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2013-10-20 13:32:59 +02:00
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TagType type = tag_table_lookup_i(ape_tags, name);
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2010-05-31 08:24:05 +02:00
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if (type == TAG_NUM_OF_ITEM_TYPES)
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type = tag_name_parse_i(name);
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return type;
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2010-05-31 08:22:53 +02:00
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}
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2013-10-26 15:57:09 +02:00
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/**
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* Invoke the given callback for each string inside the given range.
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* The strings are separated by null bytes, but the last one may not
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* be terminated.
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*/
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template<typename C>
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static void
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ForEachValue(const char *value, const char *end, C &&callback)
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{
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while (true) {
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const char *n = (const char *)memchr(value, 0, end - value);
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if (n == nullptr)
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break;
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if (n > value)
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callback(value);
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value = n + 1;
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}
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if (value < end) {
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const std::string value2(value, end);
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callback(value2.c_str());
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}
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}
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2012-07-29 18:44:03 +02:00
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/**
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* @return true if the item was recognized
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*/
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static bool
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2012-02-11 19:12:02 +01:00
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tag_ape_import_item(unsigned long flags,
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const char *key, const char *value, size_t value_length,
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const struct tag_handler *handler, void *handler_ctx)
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2009-07-19 17:59:36 +02:00
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{
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/* we only care about utf-8 text tags */
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if ((flags & (0x3 << 1)) != 0)
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2012-07-29 18:44:03 +02:00
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return false;
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2009-07-19 17:59:36 +02:00
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2013-10-26 16:00:05 +02:00
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const char *const end = value + value_length;
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if (handler->pair != nullptr)
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ForEachValue(value, end, [handler, handler_ctx,
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key](const char *_value) {
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handler->pair(key, _value, handler_ctx);
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});
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2012-02-11 19:24:51 +01:00
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2013-10-20 13:32:59 +02:00
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TagType type = tag_ape_name_parse(key);
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2010-05-30 22:39:09 +02:00
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if (type == TAG_NUM_OF_ITEM_TYPES)
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2012-07-29 18:44:03 +02:00
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return false;
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2010-11-24 08:59:04 +01:00
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2013-10-26 15:57:09 +02:00
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ForEachValue(value, end, [handler, handler_ctx,
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type](const char *_value) {
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2012-02-11 19:12:02 +01:00
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tag_handler_invoke_tag(handler, handler_ctx,
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2013-10-26 15:57:09 +02:00
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type, _value);
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});
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2012-07-29 18:44:03 +02:00
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2013-10-26 15:52:49 +02:00
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return true;
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2009-07-19 17:59:36 +02:00
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}
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2012-02-11 19:12:02 +01:00
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bool
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2013-10-26 15:14:54 +02:00
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tag_ape_scan2(Path path_fs,
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2012-02-11 19:12:02 +01:00
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const struct tag_handler *handler, void *handler_ctx)
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{
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2013-07-28 20:31:27 +02:00
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bool recognized = false;
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auto callback = [handler, handler_ctx, &recognized]
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(unsigned long flags, const char *key,
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const char *value,
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size_t value_length) {
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recognized |= tag_ape_import_item(flags, key, value,
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value_length,
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handler, handler_ctx);
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return true;
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2012-02-11 19:12:02 +01:00
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};
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2013-07-28 20:31:27 +02:00
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return tag_ape_scan(path_fs, callback) && recognized;
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2012-02-11 19:12:02 +01:00
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}
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