Index: trunk/phase3/includes/Hooks.php |
— | — | @@ -22,106 +22,7 @@ |
23 | 23 | * @file |
24 | 24 | */ |
25 | 25 | |
26 | | -/* Private */ |
27 | | -function _wfInvokeInternalGoop($hook) { |
28 | | - $object = NULL; |
29 | | - $method = NULL; |
30 | | - $func = NULL; |
31 | | - $data = NULL; |
32 | | - $have_data = false; |
33 | 26 | |
34 | | - if (is_array($hook)) { |
35 | | - if (count($hook) < 1) { |
36 | | - throw new MWException("Empty array in hooks for " . $event . "\n"); |
37 | | - } else if (is_object($hook[0])) { |
38 | | - $object = $hook[0]; |
39 | | - if (count($hook) < 2) { |
40 | | - $method = "on" . $event; |
41 | | - } else { |
42 | | - $method = $hook[1]; |
43 | | - if (count($hook) > 2) { |
44 | | - $data = $hook[2]; |
45 | | - $have_data = true; |
46 | | - } |
47 | | - } |
48 | | - } else if (is_string($hook[0])) { |
49 | | - $func = $hook[0]; |
50 | | - if (count($hook) > 1) { |
51 | | - $data = $hook[1]; |
52 | | - $have_data = true; |
53 | | - } |
54 | | - } else { |
55 | | - var_dump( $wgHooks ); |
56 | | - throw new MWException("Unknown datatype in hooks for " . $event . "\n"); |
57 | | - } |
58 | | - } else if (is_string($hook)) { # functions look like strings, too |
59 | | - $func = $hook; |
60 | | - } else if (is_object($hook)) { |
61 | | - $object = $hook; |
62 | | - $method = "on" . $event; |
63 | | - } else { |
64 | | - throw new MWException("Unknown datatype in hooks for " . $event . "\n"); |
65 | | - } |
66 | | - |
67 | | - if ( isset( $object ) ) { |
68 | | - $func = get_class( $object ) . '::' . $method; |
69 | | - $callback = array( $object, $method ); |
70 | | - } elseif ( false !== ( $pos = strpos( $func, '::' ) ) ) { |
71 | | - $callback = array( substr( $func, 0, $pos ), substr( $func, $pos + 2 ) ); |
72 | | - } else { |
73 | | - $callback = $func; |
74 | | - } |
75 | | - |
76 | | - return array($callback, $func, $data); |
77 | | -} |
78 | | - |
79 | | -/* Return a string describing the hook for debugging purposes. */ |
80 | | -function wfFormatInvocation($hook) { |
81 | | - list($callback, $func, $data) = _wfInvokeInternalGoop($hook, $args); |
82 | | - |
83 | | - if( is_array( $callback ) ) { |
84 | | - if( is_object( $callback[0] ) ) { |
85 | | - $prettyClass = get_class( $callback[0] ); |
86 | | - } else { |
87 | | - $prettyClass = strval( $callback[0] ); |
88 | | - } |
89 | | - $prettyFunc = $prettyClass . '::' . strval( $callback[1] ); |
90 | | - } else { |
91 | | - $prettyFunc = strval( $callback ); |
92 | | - } |
93 | | - return $prettyFunc; |
94 | | -} |
95 | | - |
96 | | - |
97 | | -/* |
98 | | - * Invoke a function dynamically. |
99 | | - * $hook can be: a function, an object, an array of $function and $data, |
100 | | - * an array of just a function, an array of object and method, or an |
101 | | - * array of object, method, and data. |
102 | | - * If arguments are provided both as part of the hook itself, and when |
103 | | - * calling wfCallFancyCallback, the two arrays are merged. |
104 | | - */ |
105 | | -function wfInvoke($hook, $args = array()) { |
106 | | - list($callback, $func, $data) = _wfInvokeInternalGoop($hook, $args); |
107 | | - |
108 | | - /* We put the first data element on, if needed. */ |
109 | | - if ($data) { |
110 | | - $hook_args = array_merge(array($data), $args); |
111 | | - } else { |
112 | | - $hook_args = $args; |
113 | | - } |
114 | | - |
115 | | - // Run autoloader (workaround for call_user_func_array bug) |
116 | | - is_callable( $callback ); |
117 | | - |
118 | | - /* Call the hook. */ |
119 | | - wfProfileIn( $func ); |
120 | | - $retval = call_user_func_array( $callback, $hook_args ); |
121 | | - wfProfileOut( $func ); |
122 | | - return $retval; |
123 | | -} |
124 | | - |
125 | | - |
126 | 27 | /** |
127 | 28 | * Because programmers assign to $wgHooks, we need to be very |
128 | 29 | * careful about its contents. So, there's a lot more error-checking |
— | — | @@ -147,8 +48,75 @@ |
148 | 49 | |
149 | 50 | foreach ($wgHooks[$event] as $index => $hook) { |
150 | 51 | |
151 | | - $retval = wfInvoke($hook, $args); |
| 52 | + $object = NULL; |
| 53 | + $method = NULL; |
| 54 | + $func = NULL; |
| 55 | + $data = NULL; |
| 56 | + $have_data = false; |
152 | 57 | |
| 58 | + /* $hook can be: a function, an object, an array of $function and $data, |
| 59 | + * an array of just a function, an array of object and method, or an |
| 60 | + * array of object, method, and data. |
| 61 | + */ |
| 62 | + |
| 63 | + if (is_array($hook)) { |
| 64 | + if (count($hook) < 1) { |
| 65 | + throw new MWException("Empty array in hooks for " . $event . "\n"); |
| 66 | + } else if (is_object($hook[0])) { |
| 67 | + $object = $wgHooks[$event][$index][0]; |
| 68 | + if (count($hook) < 2) { |
| 69 | + $method = "on" . $event; |
| 70 | + } else { |
| 71 | + $method = $hook[1]; |
| 72 | + if (count($hook) > 2) { |
| 73 | + $data = $hook[2]; |
| 74 | + $have_data = true; |
| 75 | + } |
| 76 | + } |
| 77 | + } else if (is_string($hook[0])) { |
| 78 | + $func = $hook[0]; |
| 79 | + if (count($hook) > 1) { |
| 80 | + $data = $hook[1]; |
| 81 | + $have_data = true; |
| 82 | + } |
| 83 | + } else { |
| 84 | + var_dump( $wgHooks ); |
| 85 | + throw new MWException("Unknown datatype in hooks for " . $event . "\n"); |
| 86 | + } |
| 87 | + } else if (is_string($hook)) { # functions look like strings, too |
| 88 | + $func = $hook; |
| 89 | + } else if (is_object($hook)) { |
| 90 | + $object = $wgHooks[$event][$index]; |
| 91 | + $method = "on" . $event; |
| 92 | + } else { |
| 93 | + throw new MWException("Unknown datatype in hooks for " . $event . "\n"); |
| 94 | + } |
| 95 | + |
| 96 | + /* We put the first data element on, if needed. */ |
| 97 | + |
| 98 | + if ($have_data) { |
| 99 | + $hook_args = array_merge(array($data), $args); |
| 100 | + } else { |
| 101 | + $hook_args = $args; |
| 102 | + } |
| 103 | + |
| 104 | + if ( isset( $object ) ) { |
| 105 | + $func = get_class( $object ) . '::' . $method; |
| 106 | + $callback = array( $object, $method ); |
| 107 | + } elseif ( false !== ( $pos = strpos( $func, '::' ) ) ) { |
| 108 | + $callback = array( substr( $func, 0, $pos ), substr( $func, $pos + 2 ) ); |
| 109 | + } else { |
| 110 | + $callback = $func; |
| 111 | + } |
| 112 | + |
| 113 | + // Run autoloader (workaround for call_user_func_array bug) |
| 114 | + is_callable( $callback ); |
| 115 | + |
| 116 | + /* Call the hook. */ |
| 117 | + wfProfileIn( $func ); |
| 118 | + $retval = call_user_func_array( $callback, $hook_args ); |
| 119 | + wfProfileOut( $func ); |
| 120 | + |
153 | 121 | /* String return is an error; false return means stop processing. */ |
154 | 122 | |
155 | 123 | if (is_string($retval)) { |
— | — | @@ -156,7 +124,16 @@ |
157 | 125 | $wgOut->showFatalError($retval); |
158 | 126 | return false; |
159 | 127 | } elseif( $retval === null ) { |
160 | | - $prettyFunc = wfFormatInvocation($hook); |
| 128 | + if( is_array( $callback ) ) { |
| 129 | + if( is_object( $callback[0] ) ) { |
| 130 | + $prettyClass = get_class( $callback[0] ); |
| 131 | + } else { |
| 132 | + $prettyClass = strval( $callback[0] ); |
| 133 | + } |
| 134 | + $prettyFunc = $prettyClass . '::' . strval( $callback[1] ); |
| 135 | + } else { |
| 136 | + $prettyFunc = strval( $callback ); |
| 137 | + } |
161 | 138 | throw new MWException( "Detected bug in an extension! " . |
162 | 139 | "Hook $prettyFunc failed to return a value; " . |
163 | 140 | "should return true to continue hook processing or false to abort." ); |