| <?php |
| /** |
| * File containing the ezcMailHeaderHolder class |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| * |
| * @package Mail |
| * @version //autogen// |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| */ |
| |
| /** |
| * Holds the headers of a mail during parsing and allows case insensitive lookup |
| * but case sensitive storage. |
| * |
| * @package Mail |
| * @version //autogen// |
| * @access private |
| */ |
| class ezcMailHeadersHolder implements ArrayAccess |
| { |
| /** |
| * Holds the mapping between the case insensitive key and the real key. |
| * |
| * Format: array(lowerCaseKey, mixedCaseKey) |
| * |
| * @var array(string=>string) |
| */ |
| private $lookup = array(); |
| |
| /** |
| * Holds the normal associative array between keys in correct case and values. |
| * |
| * Format: array(mixedCaseKey, value) |
| * |
| * @var array(string=>string) |
| */ |
| private $map = array(); |
| |
| /** |
| * Constructs a new case insensitive associtive array formed around the array |
| * $map with mixed case keys. |
| * |
| * @param array(string=>string) $map |
| */ |
| public function __construct( array $map = array() ) |
| { |
| $this->map = $map; |
| foreach ( $map as $key => $value ) |
| { |
| $this->lookup[strtolower( $key )] = $key; |
| } |
| } |
| |
| /** |
| * Returns true if the $key exists in the array. |
| * |
| * @param string $key |
| * @return bool |
| */ |
| public function offsetExists( $key ) |
| { |
| return array_key_exists( strtolower( $key ), $this->lookup ); |
| } |
| |
| /** |
| * Returns the value recognized with $key. |
| * |
| * @param string $key |
| * @return mixed |
| */ |
| public function offsetGet( $key ) |
| { |
| $key = strtolower( $key ); |
| if ( !array_key_exists( $key, $this->lookup ) ) |
| { |
| return null; |
| } |
| return $this->map[$this->lookup[$key]]; |
| } |
| |
| /** |
| * Sets the offset $key to the value $value. |
| * |
| * If it is a new entry the case in $key will be stored. If the $key exists already |
| * using a case insensitive lookup the new spelling will be discarded. |
| * |
| * @param string $key |
| * @param mixed $value |
| */ |
| public function offsetSet( $key, $value ) |
| { |
| $lowerKey = strtolower( $key ); |
| if ( !array_key_exists( $lowerKey, $this->lookup ) ) |
| { |
| $this->map[$key] = $value; |
| $this->lookup[$lowerKey] = $key; |
| } |
| else // use old case |
| { |
| $this->map[$this->lookup[$lowerKey]] = $value; |
| } |
| } |
| |
| /** |
| * Unsets the key $key. |
| * |
| * @param string $key |
| */ |
| public function offsetUnset( $key ) |
| { |
| $key = strtolower( $key ); |
| if ( array_key_exists( $key, $this->lookup ) ) |
| { |
| unset( $this->map[$this->lookup[$key]] ); |
| unset( $this->lookup[$key] ); |
| } |
| } |
| |
| /** |
| * Returns a copy of the associative array with the case of the keys preserved. |
| * |
| * @return array(string=>string) |
| */ |
| public function getCaseSensitiveArray() |
| { |
| return $this->map; |
| } |
| } |
| ?> |