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75 lines
2.0 KiB
PHP
75 lines
2.0 KiB
PHP
<?php
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/**
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* CHelpCommand class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright Copyright © 2008-2011 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\console;
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/**
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* CHelpCommand represents a console help command.
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*
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* CHelpCommand displays the available command list or the help instructions
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* about a specific command.
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*
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* To use this command, enter the following on the command line:
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* <pre>
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* php path/to/entry_script.php help [command name]
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* </pre>
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* In the above, if the command name is not provided, it will display all
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* available commands.
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*
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* @property string $help The command description.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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class HelpCommand extends Command
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{
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/**
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* Execute the action.
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* @param array $args command line parameters specific for this command
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*/
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public function run($args)
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{
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$runner=$this->getCommandRunner();
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$commands=$runner->commands;
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if(isset($args[0]))
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{
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$name=strtolower($args[0]);
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}
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if(!isset($args[0]) || !isset($commands[$name]))
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{
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if(!empty($commands))
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{
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echo "Yii command runner (based on Yii v".\Yii::getVersion().")\n";
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echo "Usage: ".$runner->getScriptName()." <command-name> [parameters...]\n";
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echo "\nThe following commands are available:\n";
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$commandNames=array_keys($commands);
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sort($commandNames);
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echo ' - '.implode("\n - ",$commandNames);
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echo "\n\nTo see individual command help, use the following:\n";
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echo " ".$runner->getScriptName()." help <command-name>\n";
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} else
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{
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echo "No available commands.\n";
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echo "Please define them under the following directory:\n";
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echo "\t".\Yii::$app->getCommandPath()."\n";
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}
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} else
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echo $runner->createCommand($name)->getHelp();
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}
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/**
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* Provides the command description.
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* @return string the command description.
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*/
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public function getHelp()
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{
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return parent::getHelp().' [command-name]';
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}
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} |