116 lines
2.5 KiB
C++
116 lines
2.5 KiB
C++
/*
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* Copyright (C) 2003-2013 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 "TagBuilder.hxx"
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#include "TagSettings.h"
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#include "TagPool.hxx"
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#include "TagString.hxx"
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#include "Tag.hxx"
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#include <glib.h>
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#include <assert.h>
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#include <string.h>
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void
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TagBuilder::Clear()
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{
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time = -1;
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has_playlist = false;
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tag_pool_lock.lock();
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for (auto i : items)
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tag_pool_put_item(i);
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tag_pool_lock.unlock();
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items.clear();
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}
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void
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TagBuilder::Commit(Tag &tag)
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{
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tag.Clear();
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tag.time = time;
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tag.has_playlist = has_playlist;
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/* move all TagItem pointers to the new Tag object without
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touching the TagPool reference counters; the
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vector::clear() call is important to detach them from this
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object */
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const unsigned n_items = items.size();
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tag.num_items = n_items;
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tag.items = g_new(TagItem *, n_items);
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std::copy_n(items.begin(), n_items, tag.items);
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items.clear();
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/* now ensure that this object is fresh (will not delete any
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items because we've already moved them out) */
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Clear();
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}
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Tag *
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TagBuilder::Commit()
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{
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Tag *tag = new Tag();
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Commit(*tag);
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return tag;
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}
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inline void
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TagBuilder::AddItemInternal(TagType type, const char *value, size_t length)
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{
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assert(value != nullptr);
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assert(length > 0);
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char *p = FixTagString(value, length);
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if (p != nullptr) {
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value = p;
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length = strlen(value);
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}
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tag_pool_lock.lock();
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auto i = tag_pool_get_item(type, value, length);
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tag_pool_lock.unlock();
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g_free(p);
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items.push_back(i);
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}
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void
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TagBuilder::AddItem(TagType type, const char *value, size_t length)
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{
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assert(value != nullptr);
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if (length == 0 || ignore_tag_items[type])
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return;
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AddItemInternal(type, value, length);
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}
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void
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TagBuilder::AddItem(TagType type, const char *value)
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{
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assert(value != nullptr);
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AddItem(type, value, strlen(value));
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}
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