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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
<?php
/*
Copyright (c) 2001 - 2007 Ampache.org
All rights reserved.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
class LastFMSearch {
protected $base_url = "http://ws.audioscrobbler.com/1.0/album";
public $results=array(); // Array of results
private $_parser; // The XML parser
protected $_grabtags = array('coverart','large','medium','small');
private $_subTag; // Stupid hack to make things come our right
private $_currentTag; // Stupid hack to make things come out right
public function __construct() {
// Rien a faire
} // LastFMSearch
/**
* create_parser
* this sets up an XML Parser that we can use to parse the XML
* document we recieve
*/
public function create_parser() {
$this->_parser = xml_parser_create();
xml_parser_set_option($this->_parser, XML_OPTION_CASE_FOLDING, false);
xml_set_object($this->_parser, $this);
xml_set_element_handler($this->_parser, 'start_element', 'end_element');
xml_set_character_data_handler($this->_parser, 'cdata');
} // create_parser
/**
* search
* do a full search on the url they pass
*/
public function run_search($url) {
/* Create the Parser */
$this->create_parser();
$snoopy = new Snoopy;
$snoopy->fetch($url);
$contents = $snoopy->results;
if ($contents == 'Artist not found') {
debug_event('lastfm','Error: Artist not found with ' . $url,'3');
return false;
}
if (!xml_parse($this->_parser, $contents)) {
debug_event('lastfm','Error:' . sprintf('XML error: %s at line %d',xml_error_string(xml_get_error_code($this->_parser)),xml_get_current_line_number($this->_parser)),'1');
}
xml_parser_free($this->_parser);
} // run_search
/*!
@function search
@discussion takes terms and a type
*/
function search($artist,$album) {
$url = $this->base_url . '/' . urlencode($artist) . '/' . urlencode($album) . '/info.xml';
debug_event('lastfm','Searching:' . $url,'3');
$this->run_search($url);
return $this->results;
} // search
function start_element($parser, $tag, $attributes) {
if ($tag == 'coverart') {
$this->_currentTag = $tag;
}
if ($tag == 'small' || $tag == 'medium' || $tag == 'large') {
$this->_subTag = $tag;
}
} // start_element
function cdata($parser, $cdata) {
if (!$this->_currentTag || !$this->_subTag || !trim($cdata)) { return false; }
$tag = $this->_currentTag;
$subtag = $this->_subTag;
$this->results[$tag][$subtag] = trim($cdata);
} // cdata
function end_element($parser, $tag) {
if ($tag == 'coverart') { $this->_currentTag = ''; }
} // end_element
} // end LastFMSearch
?>
|
