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- 06.01.2017
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DumperCollection.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\Routing\Matcher\Dumper;
013
014 /**
015 * Collection of routes.
016 *
017 * @author Arnaud Le Blanc <arnaud.lb@gmail.com>
018 *
019 * @internal
020 */
021 class DumperCollection implements \IteratorAggregate
022 {
023 /**
024 * @var DumperCollection|null
025 */
026 private $parent;
027
028 /**
029 * @var DumperCollection[]|DumperRoute[]
030 */
031 private $children = array();
032
033 /**
034 * @var array
035 */
036 private $attributes = array();
037
038 /**
039 * Returns the children routes and collections.
040 *
041 * @return DumperCollection[]|DumperRoute[] Array of DumperCollection|DumperRoute
042 */
043 public function all()
044 {
045 return $this->children;
046 }
047
048 /**
049 * Adds a route or collection.
050 *
051 * @param DumperRoute|DumperCollection The route or collection
052 */
053 public function add($child)
054 {
055 if ($child instanceof self) {
056 $child->setParent($this);
057 }
058 $this->children[] = $child;
059 }
060
061 /**
062 * Sets children.
063 *
064 * @param array $children The children
065 */
066 public function setAll(array $children)
067 {
068 foreach ($children as $child) {
069 if ($child instanceof self) {
070 $child->setParent($this);
071 }
072 }
073 $this->children = $children;
074 }
075
076 /**
077 * Returns an iterator over the children.
078 *
079 * @return \Iterator|DumperCollection[]|DumperRoute[] The iterator
080 */
081 public function getIterator()
082 {
083 return new \ArrayIterator($this->children);
084 }
085
086 /**
087 * Returns the root of the collection.
088 *
089 * @return DumperCollection The root collection
090 */
091 public function getRoot()
092 {
093 return (null !== $this->parent) ? $this->parent->getRoot() : $this;
094 }
095
096 /**
097 * Returns the parent collection.
098 *
099 * @return DumperCollection|null The parent collection or null if the collection has no parent
100 */
101 protected function getParent()
102 {
103 return $this->parent;
104 }
105
106 /**
107 * Sets the parent collection.
108 *
109 * @param DumperCollection $parent The parent collection
110 */
111 protected function setParent(DumperCollection $parent)
112 {
113 $this->parent = $parent;
114 }
115
116 /**
117 * Returns true if the attribute is defined.
118 *
119 * @param string $name The attribute name
120 *
121 * @return bool true if the attribute is defined, false otherwise
122 */
123 public function hasAttribute($name)
124 {
125 return array_key_exists($name, $this->attributes);
126 }
127
128 /**
129 * Returns an attribute by name.
130 *
131 * @param string $name The attribute name
132 * @param mixed $default Default value is the attribute doesn't exist
133 *
134 * @return mixed The attribute value
135 */
136 public function getAttribute($name, $default = null)
137 {
138 return $this->hasAttribute($name) ? $this->attributes[$name] : $default;
139 }
140
141 /**
142 * Sets an attribute by name.
143 *
144 * @param string $name The attribute name
145 * @param mixed $value The attribute value
146 */
147 public function setAttribute($name, $value)
148 {
149 $this->attributes[$name] = $value;
150 }
151
152 /**
153 * Sets multiple attributes.
154 *
155 * @param array $attributes The attributes
156 */
157 public function setAttributes($attributes)
158 {
159 $this->attributes = $attributes;
160 }
161 }
162