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PhutilRemarkupEngineBlockRule.php
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Wed, Mar 5, 05:29

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.
*/
/**
* @group markup
*/
abstract class PhutilRemarkupEngineBlockRule {
private $engine;
private $rules = array();
abstract public function getBlockPattern();
abstract public function shouldMergeBlocks();
abstract public function markupText($text);
protected function didMarkupText() {
return;
}
public function shouldMatchBlock($block) {
return preg_match($this->getBlockPattern(), $block);
}
public function shouldContinueWithBlock($block, $last_block) {
return false;
}
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 public function postprocess() {
$engine = $this->getEngine();
$this->didMarkupText();
foreach ($this->getMarkupRules() as $rule) {
$rule->setEngine($engine);
$rule->didMarkupText();
}
}
final protected function applyRules($text) {
$engine = $this->getEngine();
foreach ($this->getMarkupRules() as $rule) {
$rule->setEngine($engine);
$text = $rule->apply($text);
}
return $text;
}
}

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