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- 06.01.2017
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YamlDumper.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\DependencyInjection\Dumper;
013
014 use Symfony\Component\Yaml\Dumper as YmlDumper;
015 use Symfony\Component\DependencyInjection\Alias;
016 use Symfony\Component\DependencyInjection\ContainerInterface;
017 use Symfony\Component\DependencyInjection\Definition;
018 use Symfony\Component\DependencyInjection\Parameter;
019 use Symfony\Component\DependencyInjection\Reference;
020 use Symfony\Component\DependencyInjection\Exception\RuntimeException;
021 use Symfony\Component\ExpressionLanguage\Expression;
022
023 /**
024 * YamlDumper dumps a service container as a YAML string.
025 *
026 * @author Fabien Potencier <fabien@symfony.com>
027 */
028 class YamlDumper extends Dumper
029 {
030 private $dumper;
031
032 /**
033 * Dumps the service container as an YAML string.
034 *
035 * @param array $options An array of options
036 *
037 * @return string A YAML string representing of the service container
038 */
039 public function dump(array $options = array())
040 {
041 if (!class_exists('Symfony\Component\Yaml\Dumper')) {
042 throw new RuntimeException('Unable to dump the container as the Symfony Yaml Component is not installed.');
043 }
044
045 if (null === $this->dumper) {
046 $this->dumper = new YmlDumper();
047 }
048
049 return $this->addParameters()."\n".$this->addServices();
050 }
051
052 /**
053 * Adds a service.
054 *
055 * @param string $id
056 * @param Definition $definition
057 *
058 * @return string
059 */
060 private function addService($id, $definition)
061 {
062 $code = " $id:\n";
063 if ($class = $definition->getClass()) {
064 if ('\\' === substr($class, 0, 1)) {
065 $class = substr($class, 1);
066 }
067
068 $code .= sprintf(" class: %s\n", $this->dumper->dump($class));
069 }
070
071 if (!$definition->isPublic()) {
072 $code .= " public: false\n";
073 }
074
075 $tagsCode = '';
076 foreach ($definition->getTags() as $name => $tags) {
077 foreach ($tags as $attributes) {
078 $att = array();
079 foreach ($attributes as $key => $value) {
080 $att[] = sprintf('%s: %s', $this->dumper->dump($key), $this->dumper->dump($value));
081 }
082 $att = $att ? ', '.implode(', ', $att) : '';
083
084 $tagsCode .= sprintf(" - { name: %s%s }\n", $this->dumper->dump($name), $att);
085 }
086 }
087 if ($tagsCode) {
088 $code .= " tags:\n".$tagsCode;
089 }
090
091 if ($definition->getFile()) {
092 $code .= sprintf(" file: %s\n", $this->dumper->dump($definition->getFile()));
093 }
094
095 if ($definition->isSynthetic()) {
096 $code .= sprintf(" synthetic: true\n");
097 }
098
099 if ($definition->isSynchronized(false)) {
100 $code .= sprintf(" synchronized: true\n");
101 }
102
103 if ($definition->isDeprecated()) {
104 $code .= sprintf(" deprecated: %s\n", $definition->getDeprecationMessage('%service_id%'));
105 }
106
107 if ($definition->isAutowired()) {
108 $code .= " autowire: true\n";
109 }
110
111 $autowiringTypesCode = '';
112 foreach ($definition->getAutowiringTypes() as $autowiringType) {
113 $autowiringTypesCode .= sprintf(" - %s\n", $this->dumper->dump($autowiringType));
114 }
115 if ($autowiringTypesCode) {
116 $code .= sprintf(" autowiring_types:\n%s", $autowiringTypesCode);
117 }
118
119 if ($definition->getFactoryClass(false)) {
120 $code .= sprintf(" factory_class: %s\n", $this->dumper->dump($definition->getFactoryClass(false)));
121 }
122
123 if ($definition->isLazy()) {
124 $code .= sprintf(" lazy: true\n");
125 }
126
127 if ($definition->getFactoryMethod(false)) {
128 $code .= sprintf(" factory_method: %s\n", $this->dumper->dump($definition->getFactoryMethod(false)));
129 }
130
131 if ($definition->getFactoryService(false)) {
132 $code .= sprintf(" factory_service: %s\n", $this->dumper->dump($definition->getFactoryService(false)));
133 }
134
135 if ($definition->getArguments()) {
136 $code .= sprintf(" arguments: %s\n", $this->dumper->dump($this->dumpValue($definition->getArguments()), 0));
137 }
138
139 if ($definition->getProperties()) {
140 $code .= sprintf(" properties: %s\n", $this->dumper->dump($this->dumpValue($definition->getProperties()), 0));
141 }
142
143 if ($definition->getMethodCalls()) {
144 $code .= sprintf(" calls:\n%s\n", $this->dumper->dump($this->dumpValue($definition->getMethodCalls()), 1, 12));
145 }
146
147 if (!$definition->isShared()) {
148 $code .= " shared: false\n";
149 }
150
151 if (ContainerInterface::SCOPE_CONTAINER !== $scope = $definition->getScope(false)) {
152 $code .= sprintf(" scope: %s\n", $this->dumper->dump($scope));
153 }
154
155 if (null !== $decorated = $definition->getDecoratedService()) {
156 list($decorated, $renamedId, $priority) = $decorated;
157 $code .= sprintf(" decorates: %s\n", $decorated);
158 if (null !== $renamedId) {
159 $code .= sprintf(" decoration_inner_name: %s\n", $renamedId);
160 }
161 if (0 !== $priority) {
162 $code .= sprintf(" decoration_priority: %s\n", $priority);
163 }
164 }
165
166 if ($callable = $definition->getFactory()) {
167 $code .= sprintf(" factory: %s\n", $this->dumper->dump($this->dumpCallable($callable), 0));
168 }
169
170 if ($callable = $definition->getConfigurator()) {
171 $code .= sprintf(" configurator: %s\n", $this->dumper->dump($this->dumpCallable($callable), 0));
172 }
173
174 return $code;
175 }
176
177 /**
178 * Adds a service alias.
179 *
180 * @param string $alias
181 * @param Alias $id
182 *
183 * @return string
184 */
185 private function addServiceAlias($alias, $id)
186 {
187 if ($id->isPublic()) {
188 return sprintf(" %s: '@%s'\n", $alias, $id);
189 }
190
191 return sprintf(" %s:\n alias: %s\n public: false", $alias, $id);
192 }
193
194 /**
195 * Adds services.
196 *
197 * @return string
198 */
199 private function addServices()
200 {
201 if (!$this->container->getDefinitions()) {
202 return '';
203 }
204
205 $code = "services:\n";
206 foreach ($this->container->getDefinitions() as $id => $definition) {
207 $code .= $this->addService($id, $definition);
208 }
209
210 $aliases = $this->container->getAliases();
211 foreach ($aliases as $alias => $id) {
212 while (isset($aliases[(string) $id])) {
213 $id = $aliases[(string) $id];
214 }
215 $code .= $this->addServiceAlias($alias, $id);
216 }
217
218 return $code;
219 }
220
221 /**
222 * Adds parameters.
223 *
224 * @return string
225 */
226 private function addParameters()
227 {
228 if (!$this->container->getParameterBag()->all()) {
229 return '';
230 }
231
232 $parameters = $this->prepareParameters($this->container->getParameterBag()->all(), $this->container->isFrozen());
233
234 return $this->dumper->dump(array('parameters' => $parameters), 2);
235 }
236
237 /**
238 * Dumps callable to YAML format.
239 *
240 * @param callable $callable
241 *
242 * @return callable
243 */
244 private function dumpCallable($callable)
245 {
246 if (is_array($callable)) {
247 if ($callable[0] instanceof Reference) {
248 $callable = array($this->getServiceCall((string) $callable[0], $callable[0]), $callable[1]);
249 } else {
250 $callable = array($callable[0], $callable[1]);
251 }
252 }
253
254 return $callable;
255 }
256
257 /**
258 * Dumps the value to YAML format.
259 *
260 * @param mixed $value
261 *
262 * @return mixed
263 *
264 * @throws RuntimeException When trying to dump object or resource
265 */
266 private function dumpValue($value)
267 {
268 if (is_array($value)) {
269 $code = array();
270 foreach ($value as $k => $v) {
271 $code[$k] = $this->dumpValue($v);
272 }
273
274 return $code;
275 } elseif ($value instanceof Reference) {
276 return $this->getServiceCall((string) $value, $value);
277 } elseif ($value instanceof Parameter) {
278 return $this->getParameterCall((string) $value);
279 } elseif ($value instanceof Expression) {
280 return $this->getExpressionCall((string) $value);
281 } elseif (is_object($value) || is_resource($value)) {
282 throw new RuntimeException('Unable to dump a service container if a parameter is an object or a resource.');
283 }
284
285 return $value;
286 }
287
288 /**
289 * Gets the service call.
290 *
291 * @param string $id
292 * @param Reference $reference
293 *
294 * @return string
295 */
296 private function getServiceCall($id, Reference $reference = null)
297 {
298 if (null !== $reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $reference->getInvalidBehavior()) {
299 return sprintf('@?%s', $id);
300 }
301
302 return sprintf('@%s', $id);
303 }
304
305 /**
306 * Gets parameter call.
307 *
308 * @param string $id
309 *
310 * @return string
311 */
312 private function getParameterCall($id)
313 {
314 return sprintf('%%%s%%', $id);
315 }
316
317 private function getExpressionCall($expression)
318 {
319 return sprintf('@=%s', $expression);
320 }
321
322 /**
323 * Prepares parameters.
324 *
325 * @param array $parameters
326 * @param bool $escape
327 *
328 * @return array
329 */
330 private function prepareParameters(array $parameters, $escape = true)
331 {
332 $filtered = array();
333 foreach ($parameters as $key => $value) {
334 if (is_array($value)) {
335 $value = $this->prepareParameters($value, $escape);
336 } elseif ($value instanceof Reference || is_string($value) && 0 === strpos($value, '@')) {
337 $value = '@'.$value;
338 }
339
340 $filtered[$key] = $value;
341 }
342
343 return $escape ? $this->escape($filtered) : $filtered;
344 }
345
346 /**
347 * Escapes arguments.
348 *
349 * @param array $arguments
350 *
351 * @return array
352 */
353 private function escape(array $arguments)
354 {
355 $args = array();
356 foreach ($arguments as $k => $v) {
357 if (is_array($v)) {
358 $args[$k] = $this->escape($v);
359 } elseif (is_string($v)) {
360 $args[$k] = str_replace('%', '%%', $v);
361 } else {
362 $args[$k] = $v;
363 }
364 }
365
366 return $args;
367 }
368 }
369