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/*
* Copyright (C) 2003-2013 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 "config.h"
#include "TagBuilder.hxx"
#include "TagSettings.h"
#include "TagPool.hxx"
#include "TagString.hxx"
#include "Tag.hxx"
#include <glib.h>
#include <assert.h>
#include <string.h>
void
TagBuilder::Clear()
{
time = -1;
has_playlist = false;
tag_pool_lock.lock();
for (auto i : items)
tag_pool_put_item(i);
tag_pool_lock.unlock();
items.clear();
}
void
TagBuilder::Commit(Tag &tag)
{
tag.Clear();
tag.time = time;
tag.has_playlist = has_playlist;
/* move all TagItem pointers to the new Tag object without
touching the TagPool reference counters; the
vector::clear() call is important to detach them from this
object */
const unsigned n_items = items.size();
tag.num_items = n_items;
tag.items = g_new(TagItem *, n_items);
std::copy_n(items.begin(), n_items, tag.items);
items.clear();
/* now ensure that this object is fresh (will not delete any
items because we've already moved them out) */
Clear();
}
Tag *
TagBuilder::Commit()
{
Tag *tag = new Tag();
Commit(*tag);
return tag;
}
inline void
TagBuilder::AddItemInternal(TagType type, const char *value, size_t length)
{
#if !CLANG_CHECK_VERSION(3,6)
/* disabled on clang due to -Wtautological-pointer-compare */
assert(value != nullptr);
#endif
assert(length > 0);
char *p = FixTagString(value, length);
if (p != nullptr) {
value = p;
length = strlen(value);
}
tag_pool_lock.lock();
auto i = tag_pool_get_item(type, value, length);
tag_pool_lock.unlock();
g_free(p);
items.push_back(i);
}
void
TagBuilder::AddItem(TagType type, const char *value, size_t length)
{
#if !CLANG_CHECK_VERSION(3,6)
/* disabled on clang due to -Wtautological-pointer-compare */
assert(value != nullptr);
#endif
if (length == 0 || ignore_tag_items[type])
return;
AddItemInternal(type, value, length);
}
void
TagBuilder::AddItem(TagType type, const char *value)
{
#if !CLANG_CHECK_VERSION(3,6)
/* disabled on clang due to -Wtautological-pointer-compare */
assert(value != nullptr);
#endif
AddItem(type, value, strlen(value));
}
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