7088a679a2
WavPack tags are always APEv2, by definition. Reuse the tag_table from tag_ape.c, instead of rolling our own.
118 lines
2.9 KiB
C
118 lines
2.9 KiB
C
/*
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* Copyright (C) 2003-2011 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 "config.h"
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#include "tag_ape.h"
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#include "tag.h"
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#include "tag_table.h"
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#include "tag_handler.h"
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#include "ape.h"
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const struct tag_table ape_tags[] = {
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{ "album artist", TAG_ALBUM_ARTIST },
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{ "year", TAG_DATE },
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{ NULL, TAG_NUM_OF_ITEM_TYPES }
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};
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static enum tag_type
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tag_ape_name_parse(const char *name)
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{
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enum tag_type type = tag_table_lookup_i(ape_tags, name);
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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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}
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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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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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{
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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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return false;
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tag_handler_invoke_pair(handler, handler_ctx, key, value);
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enum tag_type type = tag_ape_name_parse(key);
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if (type == TAG_NUM_OF_ITEM_TYPES)
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return false;
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bool recognized = false;
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const char *end = value + value_length;
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while (true) {
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/* multiple values are separated by null bytes */
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const char *n = memchr(value, 0, end - value);
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if (n != NULL) {
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if (n > value) {
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tag_handler_invoke_tag(handler, handler_ctx,
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type, value);
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recognized = true;
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}
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value = n + 1;
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} else {
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char *p = g_strndup(value, end - value);
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tag_handler_invoke_tag(handler, handler_ctx,
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type, p);
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g_free(p);
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recognized = true;
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break;
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}
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}
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return recognized;
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}
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struct tag_ape_ctx {
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const struct tag_handler *handler;
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void *handler_ctx;
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bool recognized;
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};
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static bool
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tag_ape_callback(unsigned long flags, const char *key,
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const char *value, size_t value_length, void *_ctx)
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{
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struct tag_ape_ctx *ctx = _ctx;
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ctx->recognized |= tag_ape_import_item(flags, key, value, value_length,
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ctx->handler, ctx->handler_ctx);
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return true;
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}
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bool
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tag_ape_scan2(const char *path_fs,
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const struct tag_handler *handler, void *handler_ctx)
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{
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struct tag_ape_ctx ctx = {
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.handler = handler,
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.handler_ctx = handler_ctx,
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.recognized = false,
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};
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return tag_ape_scan(path_fs, tag_ape_callback, &ctx) &&
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ctx.recognized;
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}
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