1: <?php
2:
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21: class NPresenterFactory implements IPresenterFactory
22: {
23:
24: public $caseSensitive = FALSE;
25:
26:
27: private $baseDir;
28:
29:
30: private $cache = array();
31:
32:
33: private $context;
34:
35:
36:
37: 38: 39:
40: public function __construct($baseDir, IDIContainer $context)
41: {
42: $this->baseDir = $baseDir;
43: $this->context = $context;
44: }
45:
46:
47:
48: 49: 50: 51: 52:
53: public function createPresenter($name)
54: {
55: $class = $this->getPresenterClass($name);
56: $presenter = new $class;
57: $presenter->setContext($this->context);
58: return $presenter;
59: }
60:
61:
62:
63: 64: 65: 66: 67:
68: public function getPresenterClass(& $name)
69: {
70: if (isset($this->cache[$name])) {
71: list($class, $name) = $this->cache[$name];
72: return $class;
73: }
74:
75: if (!is_string($name) || !NStrings::match($name, "#^[a-zA-Z\x7f-\xff][a-zA-Z0-9\x7f-\xff:]*$#")) {
76: throw new NInvalidPresenterException("Presenter name must be alphanumeric string, '$name' is invalid.");
77: }
78:
79: $class = $this->formatPresenterClass($name);
80:
81: if (!class_exists($class)) {
82:
83: $file = $this->formatPresenterFile($name);
84: if (is_file($file) && is_readable($file)) {
85: NLimitedScope::load($file);
86: }
87:
88: if (!class_exists($class)) {
89: throw new NInvalidPresenterException("Cannot load presenter '$name', class '$class' was not found in '$file'.");
90: }
91: }
92:
93: $reflection = new NClassReflection($class);
94: $class = $reflection->getName();
95:
96: if (!$reflection->implementsInterface('IPresenter')) {
97: throw new NInvalidPresenterException("Cannot load presenter '$name', class '$class' is not IPresenter implementor.");
98: }
99:
100: if ($reflection->isAbstract()) {
101: throw new NInvalidPresenterException("Cannot load presenter '$name', class '$class' is abstract.");
102: }
103:
104:
105: $realName = $this->unformatPresenterClass($class);
106: if ($name !== $realName) {
107: if ($this->caseSensitive) {
108: throw new NInvalidPresenterException("Cannot load presenter '$name', case mismatch. Real name is '$realName'.");
109: } else {
110: $this->cache[$name] = array($class, $realName);
111: $name = $realName;
112: }
113: } else {
114: $this->cache[$name] = array($class, $realName);
115: }
116:
117: return $class;
118: }
119:
120:
121:
122: 123: 124: 125: 126:
127: public function formatPresenterClass($presenter)
128: {
129: return strtr($presenter, ':', '_') . 'Presenter';
130: return str_replace(':', 'Module\\', $presenter) . 'Presenter';
131: }
132:
133:
134:
135: 136: 137: 138: 139:
140: public function unformatPresenterClass($class)
141: {
142: return strtr(substr($class, 0, -9), '_', ':');
143: return str_replace('Module\\', ':', substr($class, 0, -9));
144: }
145:
146:
147:
148: 149: 150: 151: 152:
153: public function formatPresenterFile($presenter)
154: {
155: $path = '/' . str_replace(':', 'Module/', $presenter);
156: return $this->baseDir . substr_replace($path, '/presenters', strrpos($path, '/'), 0) . 'Presenter.php';
157: }
158:
159: }
160: