1 |
joko |
1.1 |
<? |
2 |
|
|
// --------------------------------------------------------------------------- |
3 |
joko |
1.3 |
// $Id: Bridge.php,v 1.2 2003/02/03 05:01:27 joko Exp $ |
4 |
joko |
1.1 |
// --------------------------------------------------------------------------- |
5 |
joko |
1.2 |
// $Log: Bridge.php,v $ |
6 |
joko |
1.3 |
// Revision 1.2 2003/02/03 05:01:27 joko |
7 |
|
|
// + now attributes can get passed in to the constructors |
8 |
|
|
// |
9 |
joko |
1.2 |
// Revision 1.1 2003/02/03 03:33:48 joko |
10 |
|
|
// + initial commit |
11 |
|
|
// |
12 |
joko |
1.1 |
// --------------------------------------------------------------------------- |
13 |
|
|
|
14 |
|
|
|
15 |
|
|
class DesignPattern_Bridge extends DesignPattern_Logger { |
16 |
|
|
|
17 |
joko |
1.2 |
function DesignPattern_Bridge($classname, $attributes = null) { |
18 |
joko |
1.3 |
//print "init_bridge!<br>"; |
19 |
joko |
1.2 |
//return $this->_mkInstance($classname, $attributes); |
20 |
joko |
1.3 |
//$this->_init_logger("../core/var/log/logfile.txt", 1); |
21 |
|
|
//parent::constructor(); |
22 |
joko |
1.2 |
$this = $this->_mkInstance($classname, $attributes); |
23 |
joko |
1.3 |
//parent::constructor(); |
24 |
|
|
// $this->_init_logger("../core/var/log/logfile.txt", 1); |
25 |
|
|
//print Dumper($this); |
26 |
|
|
//parent::DesignPattern_Logger(); |
27 |
joko |
1.2 |
//return $this; |
28 |
joko |
1.1 |
} |
29 |
|
|
|
30 |
joko |
1.2 |
function &_mkInstance($classname, $attributes = null) { |
31 |
joko |
1.3 |
parent::constructor(); |
32 |
joko |
1.1 |
$this->log( get_class($this) . "->_mkInstance( classname $classname )", LOG_DEBUG ); |
33 |
joko |
1.2 |
if (isset($attributes)) { |
34 |
|
|
$instance = new $classname($attributes); |
35 |
|
|
} else { |
36 |
|
|
$instance = new $classname; |
37 |
|
|
} |
38 |
joko |
1.3 |
//$this->log("ok", LOG_DEBUG); |
39 |
joko |
1.2 |
return $instance; |
40 |
joko |
1.1 |
} |
41 |
|
|
|
42 |
|
|
function _mkEmbeddedObjects($args) { |
43 |
|
|
|
44 |
joko |
1.3 |
$this->log( get_parent_class($this) . "->_mkEmbeddedObjects( parent='" . $args[parent_name] . "' )", LOG_DEBUG ); |
45 |
|
|
//$this->log( get_parent_class($this) . "->_init_helpers: instantiating helper objects below '" . get_class($this) . "::'", LOG_DEBUG ); |
46 |
joko |
1.1 |
|
47 |
|
|
foreach ($args[class_names] as $classname) { |
48 |
|
|
|
49 |
|
|
// build objectname from classname |
50 |
|
|
// - make lowercase |
51 |
|
|
// - strip leading "Xyz_" ('Site_' here) |
52 |
|
|
$objectname = $classname; |
53 |
|
|
$objectname = str_replace('Site_', '', $objectname); |
54 |
|
|
$objectname = strtolower($objectname); |
55 |
|
|
|
56 |
|
|
// create new instance of helper object by classname |
57 |
|
|
$this->$objectname = &$this->_mkInstance($classname); |
58 |
|
|
|
59 |
|
|
// create additional references to helper object with other names if requested |
60 |
|
|
// the intention is (e.g.) to migrate objects over to new reference-names when development progresses and ... |
61 |
|
|
// ... refactoring the object hierarchy is needed, but ... |
62 |
|
|
// ... you wanna provide the old reference names as "fallbacks" for old code using the libs |
63 |
|
|
if (is_array($args[ref_names])) { |
64 |
|
|
foreach ($args[ref_names] as $ref_name) { |
65 |
|
|
//print "mkRef: $ref_name<br>"; |
66 |
|
|
$this->$ref_name = &$this->$objectname; |
67 |
|
|
} |
68 |
|
|
} |
69 |
|
|
|
70 |
|
|
// helper gets reference to ourselves as a parent |
71 |
|
|
$this->$objectname->$args[parent_name] = &$this; |
72 |
|
|
|
73 |
joko |
1.3 |
$this->_call_initializer($objectname, 'constructor'); |
74 |
joko |
1.1 |
if ( $method = $args[run] ) { |
75 |
joko |
1.3 |
$this->_call_initializer($objectname, $method); |
76 |
joko |
1.1 |
} |
77 |
|
|
|
78 |
|
|
} |
79 |
|
|
|
80 |
|
|
} |
81 |
|
|
|
82 |
joko |
1.3 |
function _call_initializer($objectname, $method) { |
83 |
|
|
if (method_exists($this->$objectname, $method)) { |
84 |
|
|
$this->log( get_class($this) . "->_call_initializer: autocalling \$this->" . $objectname . "->$method()", LOG_DEBUG ); |
85 |
|
|
$this->$objectname->$method(); |
86 |
|
|
} |
87 |
joko |
1.1 |
} |
88 |
joko |
1.3 |
|
89 |
joko |
1.1 |
|
90 |
|
|
} |
91 |
|
|
?> |