1: <?php
2:
3: 4: 5: 6: 7: 8: 9: 10: 11:
12:
13:
14:
15: 16: 17: 18: 19: 20: 21: 22: 23: 24:
25: class ConfigCompiler extends Object
26: {
27:
28: private $extensions = array();
29:
30:
31: private $container;
32:
33:
34: private $config;
35:
36:
37: private static $reserved = array('services' => 1, 'factories' => 1, 'parameters' => 1);
38:
39:
40:
41: 42: 43: 44:
45: public function addExtension($name, ConfigCompilerExtension $extension)
46: {
47: if (isset(self::$reserved[$name])) {
48: throw new InvalidArgumentException("Name '$name' is reserved.");
49: }
50: $this->extensions[$name] = $extension->setCompiler($this, $name);
51: return $this;
52: }
53:
54:
55:
56: 57: 58:
59: public function getExtensions()
60: {
61: return $this->extensions;
62: }
63:
64:
65:
66: 67: 68:
69: public function getContainerBuilder()
70: {
71: return $this->container;
72: }
73:
74:
75:
76: 77: 78: 79:
80: public function getConfig()
81: {
82: return $this->config;
83: }
84:
85:
86:
87: 88: 89:
90: public function compile(array $config, $className, $parentName)
91: {
92: $this->config = $config;
93: $this->container = new DIContainerBuilder;
94: $this->processParameters();
95: $this->processExtensions();
96: $this->processServices();
97: return $this->generateCode($className, $parentName);
98: }
99:
100:
101:
102: public function processParameters()
103: {
104: if (isset($this->config['parameters'])) {
105: $this->container->parameters = $this->config['parameters'];
106: }
107: }
108:
109:
110:
111: public function processExtensions()
112: {
113: if ($extra = array_diff_key($this->config, self::$reserved, $this->extensions)) {
114: $extra = implode("', '", array_keys($extra));
115: throw new InvalidStateException("Found sections '$extra' in configuration, but corresponding extensions are missing.");
116: }
117:
118: foreach ($this->extensions as $name => $extension) {
119: $extension->loadConfiguration();
120: }
121: }
122:
123:
124:
125: public function processServices()
126: {
127: $this->parseServices($this->container, $this->config);
128:
129: foreach ($this->extensions as $name => $extension) {
130: $this->container->addDefinition($name)
131: ->setClass('DINestedAccessor', array('@container', $name))
132: ->setAutowired(FALSE);
133:
134: if (isset($this->config[$name])) {
135: $this->parseServices($this->container, $this->config[$name], $name);
136: }
137: }
138:
139: foreach ($this->container->getDefinitions() as $name => $def) {
140: $factory = $name . 'Factory';
141: if (!$def->shared && !$def->internal && !$this->container->hasDefinition($factory)) {
142: $this->container->addDefinition($factory)
143: ->setClass('Callback', array('@container', DIContainer::getMethodName($name, FALSE)))
144: ->setAutowired(FALSE)
145: ->tags = $def->tags;
146: }
147: }
148: }
149:
150:
151:
152: public function generateCode($className, $parentName)
153: {
154: foreach ($this->extensions as $extension) {
155: $extension->beforeCompile();
156: }
157:
158: $classes[] = $class = $this->container->generateClass($parentName);
159: $class->setName($className)
160: ->addMethod('initialize');
161:
162: foreach ($this->extensions as $extension) {
163: $extension->afterCompile($class);
164: }
165:
166: $defs = $this->container->getDefinitions();
167: ksort($defs);
168: $list = array_keys($defs);
169: foreach (array_reverse($defs, TRUE) as $name => $def) {
170: if ($def->class === 'DINestedAccessor' && ($found = preg_grep('#^'.$name.'\.#i', $list))) {
171: $list = array_diff($list, $found);
172: $def->class = $className . '_' . preg_replace('#\W+#', '_', $name);
173: $class->documents = preg_replace("#\S+(?= \\$$name$)#", $def->class, $class->documents);
174: $classes[] = $accessor = new PhpClassType($def->class);
175: foreach ($found as $item) {
176: $short = substr($item, strlen($name) + 1);
177: $accessor->addDocument($defs[$item]->shared
178: ? "@property {$defs[$item]->class} \$$short"
179: : "@method {$defs[$item]->class} create" . ucfirst("$short()"));
180: }
181: }
182: }
183:
184: return implode("\n\n\n", $classes);
185: }
186:
187:
188:
189:
190:
191:
192:
193: 194: 195: 196:
197: public static function parseServices(DIContainerBuilder $container, array $config, $namespace = NULL)
198: {
199: $services = isset($config['services']) ? $config['services'] : array();
200: $factories = isset($config['factories']) ? $config['factories'] : array();
201: if ($tmp = array_intersect_key($services, $factories)) {
202: $tmp = implode("', '", array_keys($tmp));
203: throw new ServiceCreationException("It is not allowed to use services and factories with the same names: '$tmp'.");
204: }
205:
206: $all = $services + $factories;
207: uasort($all, create_function('$a, $b', '
208: return strcmp(ConfigHelpers::isInheriting($a), ConfigHelpers::isInheriting($b));
209: '));
210:
211: foreach ($all as $name => $def) {
212: $shared = array_key_exists($name, $services);
213: $name = ($namespace ? $namespace . '.' : '') . $name;
214:
215: if (($parent = ConfigHelpers::takeParent($def)) && $parent !== $name) {
216: $container->removeDefinition($name);
217: $definition = $container->addDefinition($name);
218: if ($parent !== ConfigHelpers::OVERWRITE) {
219: foreach ($container->getDefinition($parent) as $k => $v) {
220: $definition->$k = $v;
221: }
222: }
223: } elseif ($container->hasDefinition($name)) {
224: $definition = $container->getDefinition($name);
225: if ($definition->shared !== $shared) {
226: throw new ServiceCreationException("It is not allowed to use service and factory with the same name '$name'.");
227: }
228: } else {
229: $definition = $container->addDefinition($name);
230: }
231: try {
232: self::parseService($definition, $def, $shared);
233: } catch (Exception $e) {
234: throw new ServiceCreationException("Service '$name': " . $e->getMessage());
235: }
236: }
237: }
238:
239:
240:
241: 242: 243: 244:
245: public static function parseService(DIServiceDefinition $definition, $config, $shared = TRUE)
246: {
247: if ($config === NULL) {
248: return;
249: } elseif (!is_array($config)) {
250: $config = array('class' => NULL, 'factory' => $config);
251: }
252:
253: $known = $shared
254: ? array('class', 'factory', 'arguments', 'setup', 'autowired', 'run', 'tags')
255: : array('class', 'factory', 'arguments', 'setup', 'autowired', 'tags', 'internal', 'parameters');
256:
257: if ($error = array_diff(array_keys($config), $known)) {
258: throw new InvalidStateException("Unknown key '" . implode("', '", $error) . "' in definition of service.");
259: }
260:
261: $arguments = array();
262: if (array_key_exists('arguments', $config)) {
263: Validators::assertField($config, 'arguments', 'array');
264: $arguments = self::filterArguments($config['arguments']);
265: $definition->setArguments($arguments);
266: }
267:
268: if (array_key_exists('class', $config) || array_key_exists('factory', $config)) {
269: $definition->class = NULL;
270: $definition->factory = NULL;
271: }
272:
273: if (array_key_exists('class', $config)) {
274: Validators::assertField($config, 'class', 'string|stdClass|null');
275: if ($config['class'] instanceof stdClass) {
276: $definition->setClass($config['class']->value, self::filterArguments($config['class']->attributes));
277: } else {
278: $definition->setClass($config['class'], $arguments);
279: }
280: }
281:
282: if (array_key_exists('factory', $config)) {
283: Validators::assertField($config, 'factory', 'callable|stdClass|null');
284: if ($config['factory'] instanceof stdClass) {
285: $definition->setFactory($config['factory']->value, self::filterArguments($config['factory']->attributes));
286: } else {
287: $definition->setFactory($config['factory'], $arguments);
288: }
289: }
290:
291: if (isset($config['setup'])) {
292: if (ConfigHelpers::takeParent($config['setup'])) {
293: $definition->setup = array();
294: }
295: Validators::assertField($config, 'setup', 'list');
296: foreach ($config['setup'] as $id => $setup) {
297: Validators::assert($setup, 'callable|stdClass', "setup item #$id");
298: if ($setup instanceof stdClass) {
299: Validators::assert($setup->value, 'callable', "setup item #$id");
300: $definition->addSetup($setup->value, self::filterArguments($setup->attributes));
301: } else {
302: $definition->addSetup($setup);
303: }
304: }
305: }
306:
307: $definition->setShared($shared);
308: if (isset($config['parameters'])) {
309: Validators::assertField($config, 'parameters', 'array');
310: $definition->setParameters($config['parameters']);
311: }
312:
313: if (isset($config['autowired'])) {
314: Validators::assertField($config, 'autowired', 'bool');
315: $definition->setAutowired($config['autowired']);
316: }
317:
318: if (isset($config['internal'])) {
319: Validators::assertField($config, 'internal', 'bool');
320: $definition->setInternal($config['internal']);
321: }
322:
323: if (isset($config['run'])) {
324: $config['tags']['run'] = (bool) $config['run'];
325: }
326:
327: if (isset($config['tags'])) {
328: Validators::assertField($config, 'tags', 'array');
329: if (ConfigHelpers::takeParent($config['tags'])) {
330: $definition->tags = array();
331: }
332: foreach ($config['tags'] as $tag => $attrs) {
333: if (is_int($tag) && is_string($attrs)) {
334: $definition->addTag($attrs);
335: } else {
336: $definition->addTag($tag, $attrs);
337: }
338: }
339: }
340: }
341:
342:
343:
344: 345: 346: 347:
348: public static function filterArguments(array $args)
349: {
350: foreach ($args as $k => $v) {
351: if ($v === '...') {
352: unset($args[$k]);
353: } elseif ($v instanceof stdClass && isset($v->value, $v->attributes)) {
354: $args[$k] = new DIStatement($v->value, self::filterArguments($v->attributes));
355: }
356: }
357: return $args;
358: }
359:
360: }
361: