1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* UltraStar Deluxe - Karaoke Game
*
* UltraStar Deluxe is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*/
#include "songloader.hpp"
#include "songloading_strategy_txt.hpp"
#include "songloading_strategy_xml.hpp"
namespace usdx
{
log4cxx::LoggerPtr Songloader::log =
log4cxx::Logger::getLogger("usdx.base.songloading.Songloader");
Songloader *Songloader::instance = NULL;
Songloader::Songloader(void)
{
// add different strategies to map
strategies[L".txt"] = new SongloadingStrategyTxt();
strategies[L".xml"] = new SongloadingStrategyXml();
}
void remove_element(std::pair<std::wstring, SongloadingStrategy*> e)
{
delete e.second;
e.second = NULL;
}
Songloader::~Songloader(void)
{
// clear memory for all elements in the map
std::for_each(strategies.begin(), strategies.end(),
remove_element);
strategies.clear();
// remove reference from singleton to make regeneration possible
instance = NULL;
}
Songloader *Songloader::get_instance(void)
{
if (instance == NULL) {
instance = new Songloader();
}
return instance;
}
Song *Songloader::load_header(const boost::filesystem::wpath& filename)
{
std::wstring ext = extension(filename);
std::map<std::wstring, SongloadingStrategy*>::iterator it = strategies.find(ext);
if (it == strategies.end()) {
LOG4CXX_WARN(log, L"No SongloadingStrategy found for file extension: '" << ext << L"'");
throw NoStrategyException("Unknown file format.");
}
return it->second->load_header(filename);
}
Song* Songloader::load_song(Song* song)
{
std::wstring ext = extension(song->get_filename());
std::map<std::wstring, SongloadingStrategy*>::iterator it = strategies.find(ext);
if (it == strategies.end()) {
LOG4CXX_WARN(log, L"No SongloadingStrategy found for file extension: '" << ext << L"'");
throw NoStrategyException("Unknown file format.");
}
return it->second->load_song(song);
}
};
|
