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<? |
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// --------------------------------------------------------------------------- |
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// $Id: Object.php,v 1.6 2003/02/28 04:18:13 joko Exp $ |
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// --------------------------------------------------------------------------- |
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// $Log: Object.php,v $ |
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// Revision 1.6 2003/02/28 04:18:13 joko |
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// + special-case-handling for single argument pass-in |
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// + testing with constructor autocalling: not used for now since weird sideeffects occoured! |
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// o however: rethink it completely! |
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// |
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// Revision 1.5 2003/02/27 16:36:02 joko |
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// re-allowed underscores ('_') in php classnames |
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// does this break something? |
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// |
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// Revision 1.4 2003/02/22 16:34:16 joko |
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// + minor fix: can seperate namespace identifier with slashes ('/') now |
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// |
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// Revision 1.3 2003/02/09 17:16:06 joko |
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// + handling arguments perl style ;-) |
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// |
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// Revision 1.2 2003/02/03 05:01:48 joko |
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// + now attributes can get passed in to the constructors |
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// |
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// Revision 1.1 2003/02/03 03:33:48 joko |
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// + initial commit |
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// |
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// --------------------------------------------------------------------------- |
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|
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|
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/* |
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class DesignPattern_Object { |
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function DesignPattern_Object() { |
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|
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} |
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} |
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*/ |
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|
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function _ns2file($nsName) { |
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if ($filename = str_replace('::', '/', $nsName)) { |
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return $filename; |
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} |
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} |
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|
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function &mkObject() { |
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$arg_list = func_get_args(); |
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|
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// patch arglist if all arguments are passed in as a single array |
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if (count($arg_list) == 1 && is_array($arg_list[0])) { |
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$arg_list = $arg_list[0]; |
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} |
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|
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//print Dumper($arg_list); |
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$namespacedClassname = array_shift($arg_list); |
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if (strstr($namespacedClassname, '_')) { |
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//print "mkObject: unallowed character in namespaced classname: '_' ($namespacedClassname)<br/>"; |
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//return; |
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} |
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//print "class: $classname<br>"; |
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$attributes = $arg_list; |
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$classname = $namespacedClassname; |
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if (loadModule($namespacedClassname)) { |
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$classname = str_replace('::', '_', $namespacedClassname); |
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$classname = str_replace('/', '_', $classname); |
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} |
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$obj = new DesignPattern_Bridge($classname, $attributes); |
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|
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// call constructor if possible |
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// FIXME: take care for side-effects!!! |
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/* |
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if (method_exists($obj, 'constructor')) { |
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$obj->constructor(); |
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} |
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*/ |
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|
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return $obj; |
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} |
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|
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function loadModule($namespacedClassname, $extension = 'php') { |
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if ($filename = _ns2file($namespacedClassname)) { |
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if ($extension) { |
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$filename .= ".$extension"; |
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} |
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|
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// V1: just require |
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//require_once($filename); |
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|
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// V2: check file for existance (didn't work!!! problem with path-style conversion regarding platform running on?) |
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/* |
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if (file_exists($filename)) { |
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require_once($filename); |
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} else { |
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//user_error("Could not load module '$namespacedClassname', file '$filename' does not exist."); |
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} |
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*/ |
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|
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// V3: wrapped through eval (weird) |
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/* |
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$evalstring = "return include_once('$filename');"; |
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$result = eval($evalstring); |
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if (!$result) { |
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user_error("DesignPattern::Object: Could not load module '$namespacedClassname', file '$filename' does not exist."); |
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return; |
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} |
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*/ |
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|
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// V4: just include |
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if (!include_once($filename)) { |
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// TODO: do stack-backtracing here to determine function called two or three levels before!!! |
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user_error("DesignPattern::Object: Could not load module '$namespacedClassname', file '$filename' does not exist."); |
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return; |
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} |
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|
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return 1; |
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} |
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} |
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|
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?> |
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