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<?php
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP Project
* @since 2.5.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Shell;
use Cake\Console\Shell;
/**
* Provide command completion shells such as bash.
*
* @property \Cake\Shell\Task\CommandTask $Command
*/
class CompletionShell extends Shell
{
/**
* Contains tasks to load and instantiate
*
* @var array
*/
public $tasks = ['Command'];
/**
* Echo no header by overriding the startup method
*
* @return void
*/
public function startup()
{
}
/**
* Not called by the autocomplete shell - this is for curious users
*
* @return int|bool Returns the number of bytes returned from writing to stdout.
*/
public function main()
{
return $this->out($this->getOptionParser()->help());
}
/**
* list commands
*
* @return int|bool|null Returns the number of bytes returned from writing to stdout.
*/
public function commands()
{
$options = $this->Command->commands();
return $this->_output($options);
}
/**
* list options for the named command
*
* @return int|bool|null Returns the number of bytes returned from writing to stdout.
*/
public function options()
{
$commandName = $subCommandName = '';
if (!empty($this->args[0])) {
$commandName = $this->args[0];
}
if (!empty($this->args[1])) {
$subCommandName = $this->args[1];
}
$options = $this->Command->options($commandName, $subCommandName);
return $this->_output($options);
}
/**
* list subcommands for the named command
*
* @return int|bool|null Returns the number of bytes returned from writing to stdout.
*/
public function subcommands()
{
if (!$this->args) {
return $this->_output();
}
$options = $this->Command->subCommands($this->args[0]);
return $this->_output($options);
}
/**
* Guess autocomplete from the whole argument string
*
* @return int|bool|null Returns the number of bytes returned from writing to stdout.
*/
public function fuzzy()
{
return $this->_output();
}
/**
* Gets the option parser instance and configures it.
*
* @return \Cake\Console\ConsoleOptionParser
*/
public function getOptionParser()
{
$parser = parent::getOptionParser();
$parser->setDescription(
'Used by shells like bash to autocomplete command name, options and arguments'
)->addSubcommand('commands', [
'help' => 'Output a list of available commands',
'parser' => [
'description' => 'List all available',
]
])->addSubcommand('subcommands', [
'help' => 'Output a list of available subcommands',
'parser' => [
'description' => 'List subcommands for a command',
'arguments' => [
'command' => [
'help' => 'The command name',
'required' => false,
]
]
]
])->addSubcommand('options', [
'help' => 'Output a list of available options',
'parser' => [
'description' => 'List options',
'arguments' => [
'command' => [
'help' => 'The command name',
'required' => false,
],
'subcommand' => [
'help' => 'The subcommand name',
'required' => false,
]
]
]
])->addSubcommand('fuzzy', [
'help' => 'Guess autocomplete'
])->setEpilog([
'This command is not intended to be called manually',
]);
return $parser;
}
/**
* Emit results as a string, space delimited
*
* @param array $options The options to output
* @return int|bool|null Returns the number of bytes returned from writing to stdout.
*/
protected function _output($options = [])
{
if ($options) {
return $this->out(implode($options, ' '));
}
}
}