<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2020 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\TabCompletion\Matcher;
use Psy\Command\Command;
/**
* A Psy Command tab completion Matcher.
*
* This matcher provides completion for all registered Psy Command names and
* aliases.
*
* @author Marc Garcia <markcial@gmail.com>
*/
class CommandsMatcher extends AbstractMatcher
{
/** @var string[] */
protected $commands = [];
/**
* CommandsMatcher constructor.
*
* @param Command[] $commands
*/
public function __construct(array $commands)
{
$this->setCommands($commands);
}
/**
* Set Commands for completion.
*
* @param Command[] $commands
*/
public function setCommands(array $commands)
{
$names = [];
foreach ($commands as $command) {
$names = \array_merge([$command->getName()], $names);
$names = \array_merge($command->getAliases(), $names);
}
$this->commands = $names;
}
/**
* Check whether a command $name is defined.
*
* @param string $name
*
* @return bool
*/
protected function isCommand($name)
{
return \in_array($name, $this->commands);
}
/**
* Check whether input matches a defined command.
*
* @param string $name
*
* @return bool
*/
protected function matchCommand($name)
{
foreach ($this->commands as $cmd) {
if ($this->startsWith($name, $cmd)) {
return true;
}
}
return false;
}
/**
* {@inheritdoc}
*/
public function getMatches(array $tokens, array $info = [])
{
$input = $this->getInput($tokens);
return \array_filter($this->commands, function ($command) use ($input) {
return AbstractMatcher::startsWith($input, $command);
});
}
/**
* {@inheritdoc}
*/
public function hasMatched(array $tokens)
{
/* $openTag */ \array_shift($tokens);
$command = \array_shift($tokens);
switch (true) {
case self::tokenIs($command, self::T_STRING) &&
!$this->isCommand($command[1]) &&
$this->matchCommand($command[1]) &&
empty($tokens):
return true;
}
return false;
}
}