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<?php |
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/** |
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* Copyright (c) 2011-present Mediasift Ltd |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* * Neither the names of the copyright holders nor the names of his |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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* @category Libraries |
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* @package Storyplayer/ConfigLib |
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* @author Stuart Herbert <[email protected]> |
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* @copyright 2011-present Mediasift Ltd www.datasift.com |
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License |
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* @link http://datasift.github.io/storyplayer |
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*/ |
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namespace DataSift\Storyplayer\ConfigLib; |
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use DataSift\Stone\ObjectLib\BaseObject; |
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/** |
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* represents config loaded from a single file |
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* |
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* @category Libraries |
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* @package Storyplayer/ConfigLib |
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* @author Stuart Herbert <[email protected]> |
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* @copyright 2011-present Mediasift Ltd www.datasift.com |
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License |
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* @link http://datasift.github.io/storyplayer |
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*/ |
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class WrappedConfig |
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{ |
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/** |
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* used when we do not know the name of the config we are wrapping |
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*/ |
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const NO_NAME = "UNKNOWN"; |
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const ROOT_IS_OBJECT = false; |
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const ROOT_IS_ARRAY = true; |
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/** |
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* the config settings that this object wraps |
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* @var BaseObject|array |
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*/ |
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private $config; |
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/** |
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* remember where we were loaded from |
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* @var string|null |
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*/ |
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private $filename = null; |
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/** |
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* the name assigned to this config container |
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* @var string|null |
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*/ |
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private $name = null; |
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/** |
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* constructor |
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*/ |
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public function __construct($isArray = false) |
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{ |
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$this->setName("UNKNOWN"); |
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if (!$isArray) { |
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$this->setConfig(new BaseObject); |
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} |
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else { |
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$this->setConfig([]); |
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} |
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} |
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/** |
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* get the config that we wrap |
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* |
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* @return array|object |
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*/ |
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public function &getConfig() |
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{ |
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return $this->config; |
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} |
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/** |
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* store the config that we wrap |
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* |
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* @param array|object $config |
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* the config to store |
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*/ |
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public function setConfig($config) |
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{ |
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$this->config = $config; |
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} |
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/** |
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* do we have any config? |
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* |
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* @return boolean |
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*/ |
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public function hasConfig() |
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{ |
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if ($this->config instanceof BaseObject) { |
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return $this->config->hasProperties(); |
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} |
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if (is_array($this->config)) { |
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return empty($this->config); |
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} |
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return false; |
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} |
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/** |
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* load a config file from disk, and store the config in $this |
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* |
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* @param string $pathToFile |
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* the filename to load from |
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* @return void |
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*/ |
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public function loadConfigFromFile($pathToFile) |
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{ |
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if (!file_exists($pathToFile)) { |
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throw new E4xx_ConfigFileNotFound($pathToFile); |
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} |
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$raw = @file_get_contents($pathToFile); |
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if (false === $raw) { |
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throw new E4xx_ConfigFileNotFound($pathToFile); |
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} |
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// special case - file is empty |
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if (strlen(rtrim($raw)) === 0) { |
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// nothing to see, move along :) |
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$this->setConfig(new BaseObject); |
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$this->setNameFromFilename($pathToFile); |
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return; |
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} |
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// if we get here, we expect the file to contain valid JSON |
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$json = @json_decode($raw); |
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if (null === $json) { |
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throw new E4xx_ConfigFileContainsInvalidJson($pathToFile); |
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} |
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// convert from stdClass to our useful BaseObject |
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$config = new BaseObject; |
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$config->mergeFrom($json); |
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// store the config |
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$this->setConfig($config); |
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$this->setNameFromFilename($pathToFile); |
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$this->setFilename($pathToFile); |
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// all done |
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} |
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/** |
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* set the name of this config by looking at the filename |
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* |
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* the 'name' is used as an array key elsewhere. if we get this wrong, |
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* then Storyplayer isn't going to be able to find our config later on |
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* |
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* override this in more specialist config types |
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* |
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* @param string $filename |
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* the path/to/file/name.ext where we found this config |
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* @return void |
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*/ |
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protected function setNameFromFilename($filename) |
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{ |
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$this->setName(basename($filename, '.json')); |
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} |
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/** |
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* save the config to disk, as a JSON file |
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* |
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* @return void |
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*/ |
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public function saveConfig() |
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{ |
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// do we have a filename? |
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$filename = $this->getFilename(); |
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if ($filename === null) { |
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throw new E4xx_ConfigNeedsAFilename($this->getName()); |
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} |
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// make sure that the parent folder exists |
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$this->makeConfigDir(dirname($filename)); |
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// let's get this saved |
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$data = json_encode($this->getConfig(), JSON_PRETTY_PRINT); |
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if (!file_put_contents($filename, $data)) { |
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throw new E4xx_ConfigCannotBeSaved($name, $filename); |
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} |
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} |
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/** |
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* @return void |
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*/ |
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protected function makeConfigDir($configDir) |
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{ |
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if (file_exists($configDir)) { |
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// nothing to do |
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return; |
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} |
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// can we make the folder? |
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// |
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// if this fails, we do not know why |
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$success = mkdir($configDir, 0700, true); |
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if (!$success) |
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{ |
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// cannot create it - bail out now |
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throw new E4xx_ConfigPathCannotBeCreated($configDir); |
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} |
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} |
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/** |
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* forget all of the config we (may) currently have |
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* |
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* @return void |
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*/ |
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public function emptyConfig() |
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{ |
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$this->config = new BaseObject(); |
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} |
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/** |
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* @return void |
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*/ |
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public function removeConfig() |
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{ |
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// do we have a filename? |
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$filename = $this->getFilename(); |
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if ($filename === null) { |
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throw new E4xx_ConfigNeedsAFilename($this->getName()); |
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} |
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// does the file exist? |
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if (!file_exists($filename)) { |
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// nothing to do |
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return; |
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} |
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// remove the file |
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$deleted = @unlink($filename); |
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if ($deleted) { |
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// all done |
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return; |
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} |
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// if we get here, we could not remove the file |
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throw new E4xx_ConfigCannotBeRemoved($this->getName(), $filename); |
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} |
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/** |
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* returns the name assigned to this config |
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* @return string|null |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* assigns a name to this config |
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* |
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* @param string $name |
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* the name to assign |
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*/ |
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public function setName($name) |
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{ |
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$this->name = $name; |
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} |
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/** |
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* returns the filename we loaded this config from |
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* |
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* @return string|null |
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*/ |
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public function getFilename() |
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{ |
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return $this->filename; |
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} |
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/** |
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* sets the filename that we loaded this config from |
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* |
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* @param string $filename |
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* the filename to store |
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*/ |
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public function setFilename($filename) |
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{ |
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$this->filename = $filename; |
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} |
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// ================================================================== |
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// |
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// dot.notation.support |
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// |
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// ------------------------------------------------------------------ |
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/** |
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* expand any variables in $this |
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* |
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* @param array|object|null $baseConfig |
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* the config to use for expanding variables (optional) |
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* @return array|object |
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* a copy of the config stored in $this, with any Twig |
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336
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* variables expanded |
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*/ |
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public function getExpandedConfig($baseConfig = null) |
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{ |
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return $this->config->getExpandedData($baseConfig); |
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} |
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343
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/** |
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344
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* retrieve data using a dot.notation.path |
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345
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* |
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346
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* NOTE that you should treat any data returned from here as READ-ONLY |
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347
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* |
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348
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* @param string $path |
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349
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* the dot.notation.path to use to navigate |
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350
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* |
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351
|
|
|
* @return mixed |
|
352
|
|
|
*/ |
|
353
|
|
|
public function getData($path) |
|
354
|
|
|
{ |
|
355
|
|
|
return $this->config->getData($path); |
|
356
|
|
|
} |
|
357
|
|
|
|
|
358
|
|
|
/** |
|
359
|
|
|
* retrieve data from a dot.notation.path |
|
360
|
|
|
* |
|
361
|
|
|
* throws an exception if the path does not point to an array |
|
362
|
|
|
* |
|
363
|
|
|
* @param string $path |
|
364
|
|
|
* the dot.notation.path to the data to return |
|
365
|
|
|
* @return array |
|
366
|
|
|
*/ |
|
367
|
|
|
public function getArray($path) |
|
368
|
|
|
{ |
|
369
|
|
|
return $this->config->getArray($path); |
|
370
|
|
|
} |
|
371
|
|
|
|
|
372
|
|
|
/** |
|
373
|
|
|
* retrieve data from a dot.notation.path |
|
374
|
|
|
* |
|
375
|
|
|
* throws an exception if the path does not point to an object |
|
376
|
|
|
* |
|
377
|
|
|
* @param string $path |
|
378
|
|
|
* the dot.notation.path to the data to return |
|
379
|
|
|
* @return object |
|
380
|
|
|
*/ |
|
381
|
|
|
public function getObject($path) |
|
382
|
|
|
{ |
|
383
|
|
|
return $this->config->getObject($path); |
|
384
|
|
|
} |
|
385
|
|
|
|
|
386
|
|
|
/** |
|
387
|
|
|
* check for existence of data using a dot.notation.path |
|
388
|
|
|
* |
|
389
|
|
|
* @param string $path |
|
390
|
|
|
* the dot.notation.path to use to navigate |
|
391
|
|
|
* |
|
392
|
|
|
* @return boolean |
|
393
|
|
|
*/ |
|
394
|
|
|
public function hasData($path) |
|
395
|
|
|
{ |
|
396
|
|
|
return $this->config->hasData($path); |
|
397
|
|
|
} |
|
398
|
|
|
|
|
399
|
|
|
/** |
|
400
|
|
|
* merge data into this config |
|
401
|
|
|
* |
|
402
|
|
|
* @param string $path |
|
403
|
|
|
* path.to.merge.to |
|
404
|
|
|
* @param mixed $dataToMerge |
|
405
|
|
|
* the data to merge at $path |
|
406
|
|
|
* @return void |
|
407
|
|
|
*/ |
|
408
|
|
|
public function mergeData($path, $dataToMerge) |
|
409
|
|
|
{ |
|
410
|
|
|
return $this->config->mergeData($path, $dataToMerge); |
|
411
|
|
|
} |
|
412
|
|
|
|
|
413
|
|
|
/** |
|
414
|
|
|
* assigns data to a specific path |
|
415
|
|
|
* |
|
416
|
|
|
* @param string $path |
|
417
|
|
|
* the path to assign to |
|
418
|
|
|
* @param mixed $data |
|
419
|
|
|
* the data to assign |
|
420
|
|
|
* |
|
421
|
|
|
* @return void |
|
422
|
|
|
*/ |
|
423
|
|
|
public function setData($path, $data) |
|
424
|
|
|
{ |
|
425
|
|
|
// special case |
|
426
|
|
|
if ($path == "") { |
|
427
|
|
|
$this->config = $data; |
|
428
|
|
|
return; |
|
429
|
|
|
} |
|
430
|
|
|
|
|
431
|
|
|
// general case |
|
432
|
|
|
$this->config->setData($path, $data); |
|
433
|
|
|
} |
|
434
|
|
|
|
|
435
|
|
|
/** |
|
436
|
|
|
* support for arrow->notation support on wrapped configs |
|
437
|
|
|
* |
|
438
|
|
|
* NOTE: objects returned by arrow->notation are READ-WRITE |
|
439
|
|
|
* |
|
440
|
|
|
* @param string $path |
|
441
|
|
|
* the variable to be retrieved |
|
442
|
|
|
* @return mixed |
|
443
|
|
|
* the fake attribute |
|
444
|
|
|
*/ |
|
445
|
|
|
public function __get($path) |
|
446
|
|
|
{ |
|
447
|
|
|
return $this->config->$path; |
|
448
|
|
|
} |
|
449
|
|
|
|
|
450
|
|
|
/** |
|
451
|
|
|
* support for arrow->notation on wrapped configs |
|
452
|
|
|
* |
|
453
|
|
|
* @param string $path |
|
454
|
|
|
* the name of the attribute to save |
|
455
|
|
|
* @param mixed $data |
|
456
|
|
|
* the data to save |
|
457
|
|
|
* @return void |
|
458
|
|
|
*/ |
|
459
|
|
|
public function __set($path, $data) |
|
460
|
|
|
{ |
|
461
|
|
|
return $this->setData($path, $data); |
|
462
|
|
|
} |
|
463
|
|
|
|
|
464
|
|
|
/** |
|
465
|
|
|
* remove data using a dot.notation.path |
|
466
|
|
|
* |
|
467
|
|
|
* @param string $path |
|
468
|
|
|
* the dot.notation.path to use to navigate |
|
469
|
|
|
* |
|
470
|
|
|
* @return void |
|
471
|
|
|
*/ |
|
472
|
|
|
public function unsetData($path) |
|
473
|
|
|
{ |
|
474
|
|
|
return $this->config->unsetData($path); |
|
475
|
|
|
} |
|
476
|
|
|
} |
|
477
|
|
|
|