MobWrite

MobWrite.php

<?php
class MobWrite {
	protected $user = 0;
	protected $file = NULL;
	protected $datastore;
	protected $diffengine;
	
	public function __construct($datastore, $diffengine) {
		$this->datastore = $datastore;
		$this->diffengine = $diffengine;
	}
	
	public function handle($data) {
		foreach(explode("\n", $data) as $command)
			$this->parse($command);
	}
	
	protected function parse($command) {
		$parts = explode(':', $command);
		
	}
	
	protected function command_u($user_id) {
		$this->user = $user_id;
	}
	
	protected function command_f($revision_id = NULL, $file_id) {
		$this->file = $file_id;
	}
	
	protected function command_d($revision_id, $patch) {
		$text = $this->datastore->get($this->file, $revision_id);
		if($result = $this->diffengine->patch($text, $patch))
			$this->datastore->set($this->file, $result);
	}
	
	protected function command_r($file_id) {
		return $this->datastore->get($file_id);
	}
	
	protected function command_n($file_id) {
		$this->datastore->nullify($file_id);
	}
}