PhutilRemarkupEngineBlockRule.php
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	<?php

	/*
	* Copyright 2011 Facebook, Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	abstract class PhutilRemarkupEngineBlockRule {

	private $storage;
	private $engine;
	private $rules;

	abstract public function getBlockPattern();
	abstract public function shouldMergeBlocks();
	abstract public function markupText($text);

	final public function setEngine(PhutilRemarkupEngine $engine) {
	$this->engine = $engine;
	return $this;
	}

	final protected function getEngine() {
	return $this->engine;
	}

	public function setMarkupRules(array $rules) {
	$this->rules = $rules;
	return $this;
	}

	final private function getMarkupRules() {
	return $this->rules;
	}

	final protected function applyRules($text) {
	$engine = $this->getEngine();
	foreach ($this->getMarkupRules() as $rule) {
	$rule->setEngine($engine);
	$text = $rule->apply($text);
	}
	return $text;
	}


	}