1: <?php
2:
3: 4: 5: 6: 7: 8: 9: 10: 11:
12:
13:
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15: 16: 17: 18: 19: 20: 21: 22: 23: 24:
25: class NConfigCompiler extends NObject
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, NConfigCompilerExtension $extension)
46: {
47: if (isset(self::$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 NDIContainerBuilder;
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 = $this->config['parameters'];
106: }
107: }
108:
109:
110:
111: public function processExtensions()
112: {
113: for ($i = 0; $slice = array_slice($this->extensions, $i, 1); $i++) {
114: reset($slice)->loadConfiguration();
115: }
116:
117: if ($extra = array_diff_key($this->config, self::$reserved, $this->extensions)) {
118: $extra = implode("', '", array_keys($extra));
119: throw new InvalidStateException("Found sections '$extra' in configuration, but corresponding extensions are missing.");
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('NDINestedAccessor', 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('NCallback', array('@container', NDIContainer::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: $this->container->addDependency(NClassReflection::from($extension)->getFileName());
157: }
158:
159: $classes[] = $class = $this->container->generateClass($parentName);
160: $class->setName($className)
161: ->addMethod('initialize');
162:
163: foreach ($this->extensions as $extension) {
164: $extension->afterCompile($class);
165: }
166:
167: $defs = $this->container->getDefinitions();
168: ksort($defs);
169: $list = array_keys($defs);
170: foreach (array_reverse($defs, TRUE) as $name => $def) {
171: if ($def->class === 'NDINestedAccessor' && ($found = preg_grep('#^'.$name.'\.#i', $list))) {
172: $list = array_diff($list, $found);
173: $def->class = $className . '_' . preg_replace('#\W+#', '_', $name);
174: $class->documents = preg_replace("#\S+(?= \\$$name$)#", $def->class, $class->documents);
175: $classes[] = $accessor = new NPhpClassType($def->class);
176: foreach ($found as $item) {
177: if ($defs[$item]->internal) {
178: continue;
179: }
180: $short = substr($item, strlen($name) + 1);
181: $accessor->addDocument($defs[$item]->shared
182: ? "@property {$defs[$item]->class} \$$short"
183: : "@method {$defs[$item]->class} create" . ucfirst("$short()"));
184: }
185: }
186: }
187:
188: return implode("\n\n\n", $classes);
189: }
190:
191:
192:
193:
194:
195:
196:
197: 198: 199: 200:
201: public static function parseServices(NDIContainerBuilder $container, array $config, $namespace = NULL)
202: {
203: $services = isset($config['services']) ? $config['services'] : array();
204: $factories = isset($config['factories']) ? $config['factories'] : array();
205: if ($tmp = array_intersect_key($services, $factories)) {
206: $tmp = implode("', '", array_keys($tmp));
207: throw new NServiceCreationException("It is not allowed to use services and factories with the same names: '$tmp'.");
208: }
209:
210: $all = $services + $factories;
211: uasort($all, create_function('$a, $b', '
212: return strcmp(NConfigHelpers::isInheriting($a), NConfigHelpers::isInheriting($b));
213: '));
214:
215: foreach ($all as $name => $def) {
216: $shared = array_key_exists($name, $services);
217: $name = ($namespace ? $namespace . '.' : '') . $name;
218:
219: if (($parent = NConfigHelpers::takeParent($def)) && $parent !== $name) {
220: $container->removeDefinition($name);
221: $definition = $container->addDefinition($name);
222: if ($parent !== NConfigHelpers::OVERWRITE) {
223: foreach ($container->getDefinition($parent) as $k => $v) {
224: $definition->$k = unserialize(serialize($v));
225: }
226: }
227: } elseif ($container->hasDefinition($name)) {
228: $definition = $container->getDefinition($name);
229: if ($definition->shared !== $shared) {
230: throw new NServiceCreationException("It is not allowed to use service and factory with the same name '$name'.");
231: }
232: } else {
233: $definition = $container->addDefinition($name);
234: }
235: try {
236: self::parseService($definition, $def, $shared);
237: } catch (Exception $e) {
238: throw new NServiceCreationException("Service '$name': " . $e->getMessage(), NULL, $e);
239: }
240: }
241: }
242:
243:
244:
245: 246: 247: 248:
249: public static function parseService(NDIServiceDefinition $definition, $config, $shared = TRUE)
250: {
251: if ($config === NULL) {
252: return;
253: } elseif (!is_array($config)) {
254: $config = array('class' => NULL, 'factory' => $config);
255: }
256:
257: $known = $shared
258: ? array('class', 'factory', 'arguments', 'setup', 'autowired', 'run', 'tags')
259: : array('class', 'factory', 'arguments', 'setup', 'autowired', 'tags', 'internal', 'parameters');
260:
261: if ($error = array_diff(array_keys($config), $known)) {
262: throw new InvalidStateException("Unknown key '" . implode("', '", $error) . "' in definition of service.");
263: }
264:
265: $arguments = array();
266: if (array_key_exists('arguments', $config)) {
267: NValidators::assertField($config, 'arguments', 'array');
268: $arguments = self::filterArguments($config['arguments']);
269: $definition->setArguments($arguments);
270: }
271:
272: if (array_key_exists('class', $config) || array_key_exists('factory', $config)) {
273: $definition->class = NULL;
274: $definition->factory = NULL;
275: }
276:
277: if (array_key_exists('class', $config)) {
278: NValidators::assertField($config, 'class', 'string|stdClass|null');
279: if ($config['class'] instanceof stdClass) {
280: $definition->setClass($config['class']->value, self::filterArguments($config['class']->attributes));
281: } else {
282: $definition->setClass($config['class'], $arguments);
283: }
284: }
285:
286: if (array_key_exists('factory', $config)) {
287: NValidators::assertField($config, 'factory', 'callable|stdClass|null');
288: if ($config['factory'] instanceof stdClass) {
289: $definition->setFactory($config['factory']->value, self::filterArguments($config['factory']->attributes));
290: } else {
291: $definition->setFactory($config['factory'], $arguments);
292: }
293: }
294:
295: if (isset($config['setup'])) {
296: if (NConfigHelpers::takeParent($config['setup'])) {
297: $definition->setup = array();
298: }
299: NValidators::assertField($config, 'setup', 'list');
300: foreach ($config['setup'] as $id => $setup) {
301: NValidators::assert($setup, 'callable|stdClass', "setup item #$id");
302: if ($setup instanceof stdClass) {
303: NValidators::assert($setup->value, 'callable', "setup item #$id");
304: $definition->addSetup($setup->value, self::filterArguments($setup->attributes));
305: } else {
306: $definition->addSetup($setup);
307: }
308: }
309: }
310:
311: $definition->setShared($shared);
312: if (isset($config['parameters'])) {
313: NValidators::assertField($config, 'parameters', 'array');
314: $definition->setParameters($config['parameters']);
315: }
316:
317: if (isset($config['autowired'])) {
318: NValidators::assertField($config, 'autowired', 'bool');
319: $definition->setAutowired($config['autowired']);
320: }
321:
322: if (isset($config['internal'])) {
323: NValidators::assertField($config, 'internal', 'bool');
324: $definition->setInternal($config['internal']);
325: }
326:
327: if (isset($config['run'])) {
328: $config['tags']['run'] = (bool) $config['run'];
329: }
330:
331: if (isset($config['tags'])) {
332: NValidators::assertField($config, 'tags', 'array');
333: if (NConfigHelpers::takeParent($config['tags'])) {
334: $definition->tags = array();
335: }
336: foreach ($config['tags'] as $tag => $attrs) {
337: if (is_int($tag) && is_string($attrs)) {
338: $definition->addTag($attrs);
339: } else {
340: $definition->addTag($tag, $attrs);
341: }
342: }
343: }
344: }
345:
346:
347:
348: 349: 350: 351:
352: public static function filterArguments(array $args)
353: {
354: foreach ($args as $k => $v) {
355: if ($v === '...') {
356: unset($args[$k]);
357: } elseif ($v instanceof stdClass && isset($v->value, $v->attributes)) {
358: $args[$k] = new NDIStatement($v->value, self::filterArguments($v->attributes));
359: }
360: }
361: return $args;
362: }
363:
364: }
365: