PhutilRemarkupBlockStorage.php
a1b1d2f697aaproduction

PhutilRemarkupBlockStorage.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.
			*/

			final class PhutilRemarkupBlockStorage {

			private $map = array();
			private $index;

			public function store($token) {
			$key = "~".(++$this->index)."%";
			$this->map[$key] = $token;
			return $key;
			}

			public function restore($corpus) {
			if ($this->map) {
			$corpus = str_replace(
			array_reverse(array_keys($this->map)),
			array_reverse($this->map),
			$corpus);
			$this->map = array();
			}
			return $corpus;
			}

			}