2010-01-04 14:26:20 +00:00
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<?php
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namespace Symfony\Components\DependencyInjection\Dumper;
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use Symfony\Components\DependencyInjection\Definition;
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use Symfony\Components\DependencyInjection\Reference;
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use Symfony\Components\DependencyInjection\Parameter;
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use Symfony\Components\DependencyInjection\Builder;
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/*
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* This file is part of the symfony framework.
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*
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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/**
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* GraphvizDumper dumps a service container as a graphviz file.
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*
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* You can convert the generated dot file with the dot utility (http://www.graphviz.org/):
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*
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* dot -Tpng container.dot > foo.png
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*
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* @package symfony
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* @subpackage dependency_injection
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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*/
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class GraphvizDumper extends Dumper
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{
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2010-01-24 21:46:32 +00:00
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protected $nodes;
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protected $edges;
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2010-01-04 14:26:20 +00:00
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/**
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* Dumps the service container as a graphviz graph.
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*
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* Available options:
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*
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* * graph: The default options for the whole graph
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* * node: The default options for nodes
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* * edge: The default options for edges
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* * node.instance: The default options for services that are defined directly by object instances
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* * node.definition: The default options for services that are defined via service definition instances
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* * node.missing: The default options for missing services
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*
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* @param array $options An array of options
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*
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* @return string The dot representation of the service container
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*/
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public function dump(array $options = array())
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{
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$this->options = array(
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'graph' => array('ratio' => 'compress'),
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'node' => array('fontsize' => 11, 'fontname' => 'Arial', 'shape' => 'record'),
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'edge' => array('fontsize' => 9, 'fontname' => 'Arial', 'color' => 'grey', 'arrowhead' => 'open', 'arrowsize' => 0.5),
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'node.instance' => array('fillcolor' => '#9999ff', 'style' => 'filled'),
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'node.definition' => array('fillcolor' => '#eeeeee'),
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'node.missing' => array('fillcolor' => '#ff9999', 'style' => 'filled'),
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);
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foreach (array('graph', 'node', 'edge', 'node.instance', 'node.definition', 'node.missing') as $key)
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{
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if (isset($options[$key]))
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{
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$this->options[$key] = array_merge($this->options[$key], $options[$key]);
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}
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}
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$this->nodes = $this->findNodes();
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$this->edges = array();
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foreach ($this->container->getDefinitions() as $id => $definition)
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{
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$this->edges[$id] = $this->findEdges($id, $definition->getArguments(), true, '');
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foreach ($definition->getMethodCalls() as $call)
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{
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$this->edges[$id] = array_merge(
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$this->edges[$id],
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$this->findEdges($id, $call[1], false, $call[0].'()')
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);
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}
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}
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return $this->startDot().$this->addNodes().$this->addEdges().$this->endDot();
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}
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protected function addNodes()
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{
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$code = '';
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foreach ($this->nodes as $id => $node)
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{
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$aliases = $this->getAliases($id);
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$code .= sprintf(" node_%s [label=\"%s\\n%s\\n\", shape=%s%s];\n", $this->dotize($id), $id.($aliases ? ' ('.implode(', ', $aliases).')' : ''), $node['class'], $this->options['node']['shape'], $this->addAttributes($node['attributes']));
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}
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return $code;
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}
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protected function addEdges()
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{
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$code = '';
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foreach ($this->edges as $id => $edges)
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{
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foreach ($edges as $edge)
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{
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$code .= sprintf(" node_%s -> node_%s [label=\"%s\" style=\"%s\"];\n", $this->dotize($id), $this->dotize($edge['to']), $edge['name'], $edge['required'] ? 'filled' : 'dashed');
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}
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}
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return $code;
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}
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protected function findEdges($id, $arguments, $required, $name)
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{
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$edges = array();
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foreach ($arguments as $argument)
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{
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if (is_object($argument) && $argument instanceof Parameter)
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{
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$argument = $this->container->hasParameter($argument) ? $this->container->getParameter($argument) : null;
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}
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elseif (is_string($argument) && preg_match('/^%([^%]+)%$/', $argument, $match))
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{
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$argument = $this->container->hasParameter($match[1]) ? $this->container->getParameter($match[1]) : null;
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}
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if ($argument instanceof Reference)
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{
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if (!$this->container->hasService((string) $argument))
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{
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$this->nodes[(string) $argument] = array('name' => $name, 'required' => $required, 'class' => '', 'attributes' => $this->options['node.missing']);
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}
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$edges[] = array('name' => $name, 'required' => $required, 'to' => $argument);
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}
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elseif (is_array($argument))
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{
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$edges = array_merge($edges, $this->findEdges($id, $argument, $required, $name));
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}
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}
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return $edges;
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}
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protected function findNodes()
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{
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$nodes = array();
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$container = clone $this->container;
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foreach ($container->getDefinitions() as $id => $definition)
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{
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$nodes[$id] = array('class' => str_replace('\\', '\\\\', $this->getValue($definition->getClass())), 'attributes' => array_merge($this->options['node.definition'], array('style' => $definition->isShared() ? 'filled' : 'dotted')));
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$container->setDefinition($id, new Definition('stdClass'));
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}
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2010-02-08 17:39:11 +00:00
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foreach ($container->getServiceIds() as $id)
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2010-01-04 14:26:20 +00:00
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{
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2010-02-08 17:39:11 +00:00
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$service = $container->getService($id);
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2010-01-04 14:26:20 +00:00
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if (in_array($id, array_keys($container->getAliases())))
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{
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continue;
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}
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if (!$container->hasDefinition($id))
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{
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$nodes[$id] = array('class' => str_replace('\\', '\\\\', get_class($service)), 'attributes' => $this->options['node.instance']);
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}
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}
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return $nodes;
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}
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protected function getValue($value, $default = '')
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{
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return Builder::resolveValue($value, $this->container->getParameters());
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}
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protected function startDot()
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{
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$parameters = var_export($this->container->getParameters(), true);
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return sprintf("digraph sc {\n %s\n node [%s];\n edge [%s];\n\n",
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$this->addOptions($this->options['graph']),
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$this->addOptions($this->options['node']),
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$this->addOptions($this->options['edge'])
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);
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}
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protected function endDot()
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{
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return "}\n";
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}
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protected function addAttributes($attributes)
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{
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$code = array();
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foreach ($attributes as $k => $v)
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{
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$code[] = sprintf('%s="%s"', $k, $v);
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}
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return $code ? ', '.implode(', ', $code) : '';
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}
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protected function addOptions($options)
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{
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$code = array();
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foreach ($options as $k => $v)
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{
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$code[] = sprintf('%s="%s"', $k, $v);
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}
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return implode(' ', $code);
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}
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protected function dotize($id)
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{
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return strtolower(preg_replace('/[^\w]/i', '_', $id));
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}
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protected function getAliases($id)
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{
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$aliases = array();
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foreach ($this->container->getAliases() as $alias => $origin)
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{
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if ($id == $origin)
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{
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$aliases[] = $alias;
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}
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}
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return $aliases;
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}
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}
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