forked from GNUsocial/gnu-social
255 lines
8.5 KiB
PHP
255 lines
8.5 KiB
PHP
<?php
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/**
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* Phergie
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*
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* PHP version 5
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.
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* It is also available through the world-wide-web at this URL:
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* http://phergie.org/license
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*
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* @category Phergie
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* @package Phergie_Plugin_Help
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* @author Phergie Development Team <team@phergie.org>
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* @copyright 2008-2010 Phergie Development Team (http://phergie.org)
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* @license http://phergie.org/license New BSD License
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* @link http://pear.phergie.org/package/Phergie_Plugin_Help
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*/
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/**
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* Provides access to descriptions of plugins and the commands they provide.
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*
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* @category Phergie
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* @package Phergie_Plugin_Help
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* @author Phergie Development Team <team@phergie.org>
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* @license http://phergie.org/license New BSD License
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* @link http://pear.phergie.org/package/Phergie_Plugin_Help
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* @uses Phergie_Plugin_Command pear.phergie.org
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*
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* @pluginDesc Provides access to plugin help information
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*/
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class Phergie_Plugin_Help extends Phergie_Plugin_Abstract
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{
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/**
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* Holds the registry of help data indexed by plugin name
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*
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* @var array
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*/
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protected $registry;
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/**
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* Whether the registry has been alpha sorted
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*
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* @var bool
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*/
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protected $registry_sorted = false;
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/**
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* Checks for dependencies.
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*
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* @return void
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*/
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public function onLoad()
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{
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$this->getPluginHandler()->getPlugin('Command');
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$this->register($this);
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}
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/**
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* Displays a list of plugins with help information available or
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* commands available for a specific plugin.
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*
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* @param string $plugin Short name of the plugin for which commands
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* should be returned, else a list of plugins with help
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* information available is returned
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*
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* @return void
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*
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* @pluginCmd Show all active plugins with help available
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* @pluginCmd [plugin] Shows commands line for a specific plugin
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*/
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public function onCommandHelp($plugin = null)
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{
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$nick = $this->getEvent()->getNick();
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if (!$plugin) {
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// protect from sorting the registry each time help is called
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if (!$this->registry_sorted) {
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asort($this->registry);
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$this->registry_sorted = true;
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}
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$msg = 'These plugins below have help information available.';
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$this->doPrivMsg($nick, $msg);
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foreach ($this->registry as $plugin => $data) {
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$this->doPrivMsg($nick, "{$plugin} - {$data['desc']}");
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}
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} else {
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if (isset($this->getPluginHandler()->{$plugin})
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&& isset($this->registry[strtolower($plugin)]['cmd'])
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) {
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$msg
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= 'The ' .
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$plugin .
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' plugin exposes the commands shown below.';
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$this->doPrivMsg($nick, $msg);
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if ($this->getConfig('command.prefix')) {
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$msg
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= 'Note that these commands must be prefixed with "' .
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$this->getConfig('command.prefix') .
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'" (without quotes) when issued in a public channel.';
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$this->doPrivMsg($nick, $msg);
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}
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foreach ($this->registry[strtolower($plugin)]['cmd']
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as $cmd => $descs
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) {
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foreach ($descs as $desc) {
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$this->doPrivMsg($nick, "{$cmd} {$desc}");
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}
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}
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} else {
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$this->doPrivMsg($nick, 'That plugin is not loaded.');
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}
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}
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}
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/**
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* Sets the description for the plugin instance
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*
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* @param Phergie_Plugin_Abstract $plugin plugin instance
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* @param string $description plugin description
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*
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* @return void
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*/
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public function setPluginDescription(
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Phergie_Plugin_Abstract $plugin,
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$description
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) {
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$this->registry[strtolower($plugin->getName())]
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['desc'] = $description;
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}
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/**
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* Sets the description for the command on the plugin instance
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*
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* @param Phergie_Plugin_Abstract $plugin plugin instance
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* @param string $command from onCommand method
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* @param string $description command description
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*
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* @return void
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*/
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public function setCommandDescription(
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Phergie_Plugin_Abstract $plugin,
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$command,
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array $description
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) {
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$this->registry[strtolower($plugin->getName())]
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['cmd'][$command] = $description;
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}
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/**
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* registers the plugin with the help plugin. this will parse the docblocks
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* for specific annotations that this plugin will respond with when
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* queried.
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*
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* @param Phergie_Plugin_Abstract $plugin plugin instance
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*
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* @return void
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*/
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public function register(Phergie_Plugin_Abstract $plugin)
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{
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$class = new ReflectionClass($plugin);
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$annotations = self::parseAnnotations($class->getDocComment());
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if (isset($annotations['pluginDesc'])) {
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$this->setPluginDescription(
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$plugin,
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join(' ', $annotations['pluginDesc'])
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);
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}
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foreach ($class->getMethods() as $method) {
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if (strpos($method->getName(), 'onCommand') !== false) {
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$annotations = self::parseAnnotations($method->getDocComment());
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if (isset($annotations['pluginCmd'])) {
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$cmd = strtolower(substr($method->getName(), 9));
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$this->setCommandDescription(
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$plugin,
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$cmd,
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$annotations['pluginCmd']
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);
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}
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}
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}
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}
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/**
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* Taken from PHPUnit/Util/Test.php:243 and modified to fix an issue
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* with tag content spanning multiple lines.
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*
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* PHPUnit
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*
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* Copyright (c) 2002-2010, Sebastian Bergmann <sb@sebastian-bergmann.de>.
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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 name of Sebastian Bergmann 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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* @param string $docblock docblock to parse
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*
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* @return array
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*/
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protected static function parseAnnotations($docblock)
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{
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$annotations = array();
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$regex = '/@(?P<name>[A-Za-z_-]+)(?:[ \t]+(?P<value>.*?))?(?:\*\/|\* @)/ms';
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if (preg_match_all($regex, $docblock, $matches)) {
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$numMatches = count($matches[0]);
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for ($i = 0; $i < $numMatches; ++$i) {
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$annotation = $matches['value'][$i];
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$annotation = preg_replace('/\s*\v+\s*\*\s*/', ' ', $annotation);
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$annotation = rtrim($annotation);
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$annotations[$matches['name'][$i]][] = $annotation;
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}
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}
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return $annotations;
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}
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}
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