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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,189 @@ | ||
| <?php | ||
| /** | ||
| * PHPUnit | ||
| * | ||
| * Copyright (c) 2001-2013, Sebastian Bergmann <sebastian@phpunit.de>. | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * | ||
| * * Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * | ||
| * * Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in | ||
| * the documentation and/or other materials provided with the | ||
| * distribution. | ||
| * | ||
| * * Neither the name of Sebastian Bergmann nor the names of his | ||
| * contributors may be used to endorse or promote products derived | ||
| * from this software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | ||
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | ||
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | ||
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | ||
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | ||
| * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| * POSSIBILITY OF SUCH DAMAGE. | ||
| * | ||
| * @package PHPUnit | ||
| * @subpackage Util | ||
| * @author Adam Harvey <aharvey@php.net> | ||
| * @copyright 2001-2013 Sebastian Bergmann <sebastian@phpunit.de> | ||
| * @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License | ||
| * @link http://www.phpunit.de/ | ||
| * @since File available since Release 3.8.0 | ||
| */ | ||
|
|
||
| /** | ||
| * A context containing previously rendered arrays and objects when recursively | ||
| * exporting a value. | ||
| * | ||
| * @package PHPUnit | ||
| * @subpackage Util | ||
| * @author Adam Harvey <aharvey@php.net> | ||
| * @copyright 2001-2013 Sebastian Bergmann <sebastian@phpunit.de> | ||
| * @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License | ||
| * @link http://www.phpunit.de/ | ||
| * @since Class available since Release 3.8.0 | ||
| */ | ||
| class PHPUnit_Util_Type_ExportContext { | ||
| /** | ||
| * Previously seen arrays. | ||
| * | ||
| * @var array[] $arrays | ||
| */ | ||
| protected $arrays; | ||
|
|
||
| /** | ||
| * Previously seen objects. | ||
| * | ||
| * @var SplObjectStorage $objects | ||
| */ | ||
| protected $objects; | ||
|
|
||
| /** Initialises the context. */ | ||
| public function __construct() | ||
| { | ||
| $this->arrays = []; | ||
| $this->objects = new SplObjectStorage; | ||
| } | ||
|
|
||
| /** | ||
| * Adds a value to the export context. | ||
| * | ||
| * @param mixed $value The value to add. | ||
| * @return mixed The ID of the stored value, either as a string or integer. | ||
| * @throws PHPUnit_Framework_Exception Thrown if $value is not an array or | ||
| * object. | ||
| */ | ||
| public function add(&$value) | ||
| { | ||
| if (is_array($value)) { | ||
| return $this->addArray($value); | ||
| } elseif (is_object($value)) { | ||
| return $this->addObject($value); | ||
| } | ||
|
|
||
| throw new PHPUnit_Framework_Exception('Only arrays and objects are supported'); | ||
| } | ||
|
|
||
| /** | ||
| * Checks if the given value exists within the context. | ||
| * | ||
| * @param mixed $value The value to check. | ||
| * @return mixed The string or integer ID of the stored value if it has | ||
| * already been seen, or boolean false if the value is not | ||
| * stored. | ||
| * @throws PHPUnit_Framework_Exception Thrown if $value is not an array or | ||
| * object. | ||
| */ | ||
| public function contains(&$value) | ||
| { | ||
| if (is_array($value)) { | ||
| return $this->containsArray($value); | ||
| } elseif (is_object($value)) { | ||
| return $this->containsObject($value); | ||
| } | ||
|
|
||
| throw new PHPUnit_Framework_Exception('Only arrays and objects are supported'); | ||
| } | ||
|
|
||
| /** | ||
| * Stores an array within the context. | ||
| * | ||
| * @param array $value The value to store. | ||
| * @return integer The internal ID of the array. | ||
| */ | ||
| protected function addArray(array &$value) | ||
| { | ||
| if (($key = $this->containsArray($value)) !== false) { | ||
| return $key; | ||
| } | ||
|
|
||
| $this->arrays[] = &$value; | ||
| return count($this->arrays) - 1; | ||
| } | ||
|
|
||
| /** | ||
| * Stores an object within the context. | ||
| * | ||
| * @param object $value | ||
| * @return string The ID of the object. | ||
| */ | ||
| protected function addObject($value) | ||
| { | ||
| if (!$this->objects->contains($value)) { | ||
| $this->objects->attach($value); | ||
| } | ||
|
|
||
| return spl_object_hash($value); | ||
| } | ||
|
|
||
| /** | ||
| * Checks if the given array exists within the context. | ||
| * | ||
| * @param array $value The array to check. | ||
| * @return mixed The integer ID of the array if it exists, or boolean false | ||
| * otherwise. | ||
| */ | ||
| protected function containsArray(array &$value) | ||
| { | ||
| $keys = array_keys($this->arrays, $value, true); | ||
| $gen = '_PHPUnit_Test_Key_'.hash('sha512', microtime(true)); | ||
| foreach ($keys as $key) { | ||
| $this->arrays[$key][$gen] = $gen; | ||
| if (isset($value[$gen]) && $value[$gen] === $gen) { | ||
| unset($this->arrays[$key][$gen]); | ||
| return $key; | ||
| } | ||
| unset($this->arrays[$key][$gen]); | ||
| } | ||
|
|
||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * Checks if the given object exists within the context. | ||
| * | ||
| * @param object $value The object to check. | ||
| * @return mixed The string ID of the object if it exists, or boolean false | ||
| * otherwise. | ||
| */ | ||
| protected function containsObject($value) | ||
| { | ||
| if ($this->objects->contains($value)) { | ||
| return spl_object_hash($value); | ||
| } | ||
|
|
||
| return false; | ||
| } | ||
| } |
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