66 lines
1.7 KiB
PHP
66 lines
1.7 KiB
PHP
<?php
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namespace NoccyLabs\React\Shell;
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use Evenement\EventEmitterInterface;
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use Evenement\EventEmitterTrait;
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use React\EventLoop\Loop;
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class CommandHandler implements EventEmitterInterface
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{
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use EventEmitterTrait;
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private array $commands = [];
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private bool $allowAbbreviatedCommands = false;
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public function setAllowAbbreviatedCommands(bool $allow): self
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{
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$this->allowAbbreviatedCommands = $allow;
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return $this;
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}
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public function getAllowAbbreviatedCommands(): bool
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{
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return $this->allowAbbreviatedCommands;
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}
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public function add(string $command, callable $handler, array $signature=[]): self
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{
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$this->commands[$command] = [ 'handler' => $handler, 'signature' => $signature ];
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return $this;
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}
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public function __invoke(array $line, Shell $shell)
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{
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$this->execute($line, $shell);
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}
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public function execute(array $line, Shell $shell)
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{
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$command = array_shift($line);
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if ($this->allowAbbreviatedCommands) {
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$candidates = array_filter(
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array_keys($this->commands),
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fn($c)=>str_starts_with($c,$command)
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);
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if (count($candidates)>1) {
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$this->emit("candidates", [ $candidates, $shell ]);
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return;
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}
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if (count($candidates)==1) {
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$command = array_shift($candidates);
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}
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}
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if (!array_key_exists($command, $this->commands)) {
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$this->emit("command", [ $command, $line, $shell ]);
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return;
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}
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Loop::futureTick(fn() => call_user_func($this->commands[$command]['handler'], $line, $shell));
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}
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}
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