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122 lines
3.1 KiB
PHP
122 lines
3.1 KiB
PHP
<?php
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/*
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* This file is part of the Predis package.
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*
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* (c) Daniele Alessandri <suppakilla@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Predis\Configuration;
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/**
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* Manages Predis options with filtering, conversion and lazy initialization of
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* values using a mini-DI container approach.
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*
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* {@inheritdoc}
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*
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* @author Daniele Alessandri <suppakilla@gmail.com>
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*/
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class Options implements OptionsInterface
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{
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protected $input;
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protected $options;
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protected $handlers;
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/**
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* @param array $options Array of options with their values
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*/
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public function __construct(array $options = array())
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{
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$this->input = $options;
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$this->options = array();
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$this->handlers = $this->getHandlers();
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}
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/**
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* Ensures that the default options are initialized.
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*
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* @return array
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*/
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protected function getHandlers()
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{
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return array(
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'cluster' => 'Predis\Configuration\ClusterOption',
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'connections' => 'Predis\Configuration\ConnectionFactoryOption',
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'exceptions' => 'Predis\Configuration\ExceptionsOption',
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'prefix' => 'Predis\Configuration\PrefixOption',
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'profile' => 'Predis\Configuration\ProfileOption',
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'replication' => 'Predis\Configuration\ReplicationOption',
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function getDefault($option)
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{
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if (isset($this->handlers[$option])) {
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$handler = $this->handlers[$option];
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$handler = new $handler();
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return $handler->getDefault($this);
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function defined($option)
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{
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return (
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array_key_exists($option, $this->options) ||
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array_key_exists($option, $this->input)
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function __isset($option)
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{
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return (
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array_key_exists($option, $this->options) ||
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array_key_exists($option, $this->input)
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) && $this->__get($option) !== null;
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}
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/**
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* {@inheritdoc}
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*/
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public function __get($option)
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{
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if (isset($this->options[$option]) || array_key_exists($option, $this->options)) {
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return $this->options[$option];
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}
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if (isset($this->input[$option]) || array_key_exists($option, $this->input)) {
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$value = $this->input[$option];
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unset($this->input[$option]);
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if (is_object($value) && method_exists($value, '__invoke')) {
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$value = $value($this, $option);
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}
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if (isset($this->handlers[$option])) {
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$handler = $this->handlers[$option];
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$handler = new $handler();
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$value = $handler->filter($this, $value);
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}
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return $this->options[$option] = $value;
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}
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if (isset($this->handlers[$option])) {
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return $this->options[$option] = $this->getDefault($option);
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}
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return;
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}
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}
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