AlkantarClanX12
Current Path : /proc/self/root/opt/alt/php54/usr/share/pear/Symfony/Component/Config/Definition/ |
Current File : //proc/self/root/opt/alt/php54/usr/share/pear/Symfony/Component/Config/Definition/ArrayNode.php |
<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Config\Definition; use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException; use Symfony\Component\Config\Definition\Exception\InvalidTypeException; use Symfony\Component\Config\Definition\Exception\UnsetKeyException; /** * Represents an Array node in the config tree. * * @author Johannes M. Schmitt <schmittjoh@gmail.com> */ class ArrayNode extends BaseNode implements PrototypeNodeInterface { protected $xmlRemappings = array(); protected $children = array(); protected $allowFalse = false; protected $allowNewKeys = true; protected $addIfNotSet = false; protected $performDeepMerging = true; protected $ignoreExtraKeys = false; protected $normalizeKeys = true; public function setNormalizeKeys($normalizeKeys) { $this->normalizeKeys = (Boolean) $normalizeKeys; } /** * Normalizes keys between the different configuration formats. * * Namely, you mostly have foo_bar in YAML while you have foo-bar in XML. * After running this method, all keys are normalized to foo_bar. * * If you have a mixed key like foo-bar_moo, it will not be altered. * The key will also not be altered if the target key already exists. * * @param mixed $value * * @return array The value with normalized keys */ protected function preNormalize($value) { if (!$this->normalizeKeys || !is_array($value)) { return $value; } foreach ($value as $k => $v) { if (false !== strpos($k, '-') && false === strpos($k, '_') && !array_key_exists($normalizedKey = str_replace('-', '_', $k), $value)) { $value[$normalizedKey] = $v; unset($value[$k]); } } return $value; } /** * Retrieves the children of this node. * * @return array The children */ public function getChildren() { return $this->children; } /** * Sets the xml remappings that should be performed. * * @param array $remappings an array of the form array(array(string, string)) */ public function setXmlRemappings(array $remappings) { $this->xmlRemappings = $remappings; } /** * Gets the xml remappings that should be performed. * * @return array $remappings an array of the form array(array(string, string)) */ public function getXmlRemappings() { return $this->xmlRemappings; } /** * Sets whether to add default values for this array if it has not been * defined in any of the configuration files. * * @param Boolean $boolean */ public function setAddIfNotSet($boolean) { $this->addIfNotSet = (Boolean) $boolean; } /** * Sets whether false is allowed as value indicating that the array should be unset. * * @param Boolean $allow */ public function setAllowFalse($allow) { $this->allowFalse = (Boolean) $allow; } /** * Sets whether new keys can be defined in subsequent configurations. * * @param Boolean $allow */ public function setAllowNewKeys($allow) { $this->allowNewKeys = (Boolean) $allow; } /** * Sets if deep merging should occur. * * @param Boolean $boolean */ public function setPerformDeepMerging($boolean) { $this->performDeepMerging = (Boolean) $boolean; } /** * Whether extra keys should just be ignore without an exception. * * @param Boolean $boolean To allow extra keys */ public function setIgnoreExtraKeys($boolean) { $this->ignoreExtraKeys = (Boolean) $boolean; } /** * Sets the node Name. * * @param string $name The node's name */ public function setName($name) { $this->name = $name; } /** * Checks if the node has a default value. * * @return Boolean */ public function hasDefaultValue() { return $this->addIfNotSet; } /** * Retrieves the default value. * * @return array The default value * * @throws \RuntimeException if the node has no default value */ public function getDefaultValue() { if (!$this->hasDefaultValue()) { throw new \RuntimeException(sprintf('The node at path "%s" has no default value.', $this->getPath())); } $defaults = array(); foreach ($this->children as $name => $child) { if ($child->hasDefaultValue()) { $defaults[$name] = $child->getDefaultValue(); } } return $defaults; } /** * Adds a child node. * * @param NodeInterface $node The child node to add * * @throws \InvalidArgumentException when the child node has no name * @throws \InvalidArgumentException when the child node's name is not unique */ public function addChild(NodeInterface $node) { $name = $node->getName(); if (!strlen($name)) { throw new \InvalidArgumentException('Child nodes must be named.'); } if (isset($this->children[$name])) { throw new \InvalidArgumentException(sprintf('A child node named "%s" already exists.', $name)); } $this->children[$name] = $node; } /** * Finalizes the value of this node. * * @param mixed $value * * @return mixed The finalised value * * @throws UnsetKeyException * @throws InvalidConfigurationException if the node doesn't have enough children */ protected function finalizeValue($value) { if (false === $value) { $msg = sprintf('Unsetting key for path "%s", value: %s', $this->getPath(), json_encode($value)); throw new UnsetKeyException($msg); } foreach ($this->children as $name => $child) { if (!array_key_exists($name, $value)) { if ($child->isRequired()) { $msg = sprintf('The child node "%s" at path "%s" must be configured.', $name, $this->getPath()); $ex = new InvalidConfigurationException($msg); $ex->setPath($this->getPath()); throw $ex; } if ($child->hasDefaultValue()) { $value[$name] = $child->getDefaultValue(); } continue; } try { $value[$name] = $child->finalize($value[$name]); } catch (UnsetKeyException $unset) { unset($value[$name]); } } return $value; } /** * Validates the type of the value. * * @param mixed $value * * @throws InvalidTypeException */ protected function validateType($value) { if (!is_array($value) && (!$this->allowFalse || false !== $value)) { $ex = new InvalidTypeException(sprintf( 'Invalid type for path "%s". Expected array, but got %s', $this->getPath(), gettype($value) )); $ex->setPath($this->getPath()); throw $ex; } } /** * Normalizes the value. * * @param mixed $value The value to normalize * * @return mixed The normalized value * * @throws InvalidConfigurationException */ protected function normalizeValue($value) { if (false === $value) { return $value; } $value = $this->remapXml($value); $normalized = array(); foreach ($value as $name => $val) { if (isset($this->children[$name])) { $normalized[$name] = $this->children[$name]->normalize($val); unset($value[$name]); } } // if extra fields are present, throw exception if (count($value) && !$this->ignoreExtraKeys) { $msg = sprintf('Unrecognized options "%s" under "%s"', implode(', ', array_keys($value)), $this->getPath()); $ex = new InvalidConfigurationException($msg); $ex->setPath($this->getPath()); throw $ex; } return $normalized; } /** * Remaps multiple singular values to a single plural value. * * @param array $value The source values * * @return array The remapped values */ protected function remapXml($value) { foreach ($this->xmlRemappings as $transformation) { list($singular, $plural) = $transformation; if (!isset($value[$singular])) { continue; } $value[$plural] = Processor::normalizeConfig($value, $singular, $plural); unset($value[$singular]); } return $value; } /** * Merges values together. * * @param mixed $leftSide The left side to merge. * @param mixed $rightSide The right side to merge. * * @return mixed The merged values * * @throws InvalidConfigurationException * @throws \RuntimeException */ protected function mergeValues($leftSide, $rightSide) { if (false === $rightSide) { // if this is still false after the last config has been merged the // finalization pass will take care of removing this key entirely return false; } if (false === $leftSide || !$this->performDeepMerging) { return $rightSide; } foreach ($rightSide as $k => $v) { // no conflict if (!array_key_exists($k, $leftSide)) { if (!$this->allowNewKeys) { $ex = new InvalidConfigurationException(sprintf( 'You are not allowed to define new elements for path "%s". ' .'Please define all elements for this path in one config file. ' .'If you are trying to overwrite an element, make sure you redefine it ' .'with the same name.', $this->getPath() )); $ex->setPath($this->getPath()); throw $ex; } $leftSide[$k] = $v; continue; } if (!isset($this->children[$k])) { throw new \RuntimeException('merge() expects a normalized config array.'); } $leftSide[$k] = $this->children[$k]->merge($leftSide[$k], $v); } return $leftSide; } }