66 lines
1.7 KiB
PHP
66 lines
1.7 KiB
PHP
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<?php
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/*
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* This file is part of SwiftMailer.
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* (c) 2004-2009 Chris Corbyn
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* Handles Quoted Printable (Q) Header Encoding in Swift Mailer.
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*
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* @author Chris Corbyn
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*/
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class Swift_Mime_HeaderEncoder_QpHeaderEncoder extends Swift_Encoder_QpEncoder implements Swift_Mime_HeaderEncoder
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{
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/**
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* Creates a new QpHeaderEncoder for the given CharacterStream.
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*
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* @param Swift_CharacterStream $charStream to use for reading characters
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*/
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public function __construct(Swift_CharacterStream $charStream)
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{
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parent::__construct($charStream);
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}
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protected function initSafeMap()
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{
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foreach (array_merge(
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range(0x61, 0x7A), range(0x41, 0x5A),
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range(0x30, 0x39), [0x20, 0x21, 0x2A, 0x2B, 0x2D, 0x2F]
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) as $byte) {
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$this->safeMap[$byte] = \chr($byte);
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}
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}
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/**
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* Get the name of this encoding scheme.
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*
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* Returns the string 'Q'.
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*
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* @return string
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*/
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public function getName()
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{
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return 'Q';
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}
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/**
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* Takes an unencoded string and produces a QP encoded string from it.
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*
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* @param string $string string to encode
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* @param int $firstLineOffset optional
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* @param int $maxLineLength optional, 0 indicates the default of 76 chars
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*
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* @return string
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*/
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public function encodeString($string, $firstLineOffset = 0, $maxLineLength = 0)
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{
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return str_replace([' ', '=20', "=\r\n"], ['_', '_', "\r\n"],
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parent::encodeString($string, $firstLineOffset, $maxLineLength)
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);
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}
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}
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