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authorFrédéric Guillot <fred@kanboard.net>2014-11-04 21:33:05 -0500
committerFrédéric Guillot <fred@kanboard.net>2014-11-04 21:33:05 -0500
commit135b921db75da5995eab7e36393ecd4d2b0bc66f (patch)
tree46efc60fcf1f9d5c57ab1fb9418c2acfbda0698a /vendor/swiftmailer/classes/Swift/Encoder/QpEncoder.php
parent850645dd6b22f5b495d1680e0b49540e0ebf9bd3 (diff)
Switch to composer
Diffstat (limited to 'vendor/swiftmailer/classes/Swift/Encoder/QpEncoder.php')
-rw-r--r--vendor/swiftmailer/classes/Swift/Encoder/QpEncoder.php282
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diff --git a/vendor/swiftmailer/classes/Swift/Encoder/QpEncoder.php b/vendor/swiftmailer/classes/Swift/Encoder/QpEncoder.php
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-<?php
-
-/*
- * This file is part of SwiftMailer.
- * (c) 2004-2009 Chris Corbyn
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-/**
- * Handles Quoted Printable (QP) Encoding in Swift Mailer.
- *
- * Possibly the most accurate RFC 2045 QP implementation found in PHP.
- *
- * @author Chris Corbyn
- */
-class Swift_Encoder_QpEncoder implements Swift_Encoder
-{
- /**
- * The CharacterStream used for reading characters (as opposed to bytes).
- *
- * @var Swift_CharacterStream
- */
- protected $_charStream;
-
- /**
- * A filter used if input should be canonicalized.
- *
- * @var Swift_StreamFilter
- */
- protected $_filter;
-
- /**
- * Pre-computed QP for HUGE optimization.
- *
- * @var string[]
- */
- protected static $_qpMap = array(
- 0 => '=00', 1 => '=01', 2 => '=02', 3 => '=03', 4 => '=04',
- 5 => '=05', 6 => '=06', 7 => '=07', 8 => '=08', 9 => '=09',
- 10 => '=0A', 11 => '=0B', 12 => '=0C', 13 => '=0D', 14 => '=0E',
- 15 => '=0F', 16 => '=10', 17 => '=11', 18 => '=12', 19 => '=13',
- 20 => '=14', 21 => '=15', 22 => '=16', 23 => '=17', 24 => '=18',
- 25 => '=19', 26 => '=1A', 27 => '=1B', 28 => '=1C', 29 => '=1D',
- 30 => '=1E', 31 => '=1F', 32 => '=20', 33 => '=21', 34 => '=22',
- 35 => '=23', 36 => '=24', 37 => '=25', 38 => '=26', 39 => '=27',
- 40 => '=28', 41 => '=29', 42 => '=2A', 43 => '=2B', 44 => '=2C',
- 45 => '=2D', 46 => '=2E', 47 => '=2F', 48 => '=30', 49 => '=31',
- 50 => '=32', 51 => '=33', 52 => '=34', 53 => '=35', 54 => '=36',
- 55 => '=37', 56 => '=38', 57 => '=39', 58 => '=3A', 59 => '=3B',
- 60 => '=3C', 61 => '=3D', 62 => '=3E', 63 => '=3F', 64 => '=40',
- 65 => '=41', 66 => '=42', 67 => '=43', 68 => '=44', 69 => '=45',
- 70 => '=46', 71 => '=47', 72 => '=48', 73 => '=49', 74 => '=4A',
- 75 => '=4B', 76 => '=4C', 77 => '=4D', 78 => '=4E', 79 => '=4F',
- 80 => '=50', 81 => '=51', 82 => '=52', 83 => '=53', 84 => '=54',
- 85 => '=55', 86 => '=56', 87 => '=57', 88 => '=58', 89 => '=59',
- 90 => '=5A', 91 => '=5B', 92 => '=5C', 93 => '=5D', 94 => '=5E',
- 95 => '=5F', 96 => '=60', 97 => '=61', 98 => '=62', 99 => '=63',
- 100 => '=64', 101 => '=65', 102 => '=66', 103 => '=67', 104 => '=68',
- 105 => '=69', 106 => '=6A', 107 => '=6B', 108 => '=6C', 109 => '=6D',
- 110 => '=6E', 111 => '=6F', 112 => '=70', 113 => '=71', 114 => '=72',
- 115 => '=73', 116 => '=74', 117 => '=75', 118 => '=76', 119 => '=77',
- 120 => '=78', 121 => '=79', 122 => '=7A', 123 => '=7B', 124 => '=7C',
- 125 => '=7D', 126 => '=7E', 127 => '=7F', 128 => '=80', 129 => '=81',
- 130 => '=82', 131 => '=83', 132 => '=84', 133 => '=85', 134 => '=86',
- 135 => '=87', 136 => '=88', 137 => '=89', 138 => '=8A', 139 => '=8B',
- 140 => '=8C', 141 => '=8D', 142 => '=8E', 143 => '=8F', 144 => '=90',
- 145 => '=91', 146 => '=92', 147 => '=93', 148 => '=94', 149 => '=95',
- 150 => '=96', 151 => '=97', 152 => '=98', 153 => '=99', 154 => '=9A',
- 155 => '=9B', 156 => '=9C', 157 => '=9D', 158 => '=9E', 159 => '=9F',
- 160 => '=A0', 161 => '=A1', 162 => '=A2', 163 => '=A3', 164 => '=A4',
- 165 => '=A5', 166 => '=A6', 167 => '=A7', 168 => '=A8', 169 => '=A9',
- 170 => '=AA', 171 => '=AB', 172 => '=AC', 173 => '=AD', 174 => '=AE',
- 175 => '=AF', 176 => '=B0', 177 => '=B1', 178 => '=B2', 179 => '=B3',
- 180 => '=B4', 181 => '=B5', 182 => '=B6', 183 => '=B7', 184 => '=B8',
- 185 => '=B9', 186 => '=BA', 187 => '=BB', 188 => '=BC', 189 => '=BD',
- 190 => '=BE', 191 => '=BF', 192 => '=C0', 193 => '=C1', 194 => '=C2',
- 195 => '=C3', 196 => '=C4', 197 => '=C5', 198 => '=C6', 199 => '=C7',
- 200 => '=C8', 201 => '=C9', 202 => '=CA', 203 => '=CB', 204 => '=CC',
- 205 => '=CD', 206 => '=CE', 207 => '=CF', 208 => '=D0', 209 => '=D1',
- 210 => '=D2', 211 => '=D3', 212 => '=D4', 213 => '=D5', 214 => '=D6',
- 215 => '=D7', 216 => '=D8', 217 => '=D9', 218 => '=DA', 219 => '=DB',
- 220 => '=DC', 221 => '=DD', 222 => '=DE', 223 => '=DF', 224 => '=E0',
- 225 => '=E1', 226 => '=E2', 227 => '=E3', 228 => '=E4', 229 => '=E5',
- 230 => '=E6', 231 => '=E7', 232 => '=E8', 233 => '=E9', 234 => '=EA',
- 235 => '=EB', 236 => '=EC', 237 => '=ED', 238 => '=EE', 239 => '=EF',
- 240 => '=F0', 241 => '=F1', 242 => '=F2', 243 => '=F3', 244 => '=F4',
- 245 => '=F5', 246 => '=F6', 247 => '=F7', 248 => '=F8', 249 => '=F9',
- 250 => '=FA', 251 => '=FB', 252 => '=FC', 253 => '=FD', 254 => '=FE',
- 255 => '=FF'
- );
-
- protected static $_safeMapShare = array();
-
- /**
- * A map of non-encoded ascii characters.
- *
- * @var string[]
- */
- protected $_safeMap = array();
-
- /**
- * Creates a new QpEncoder for the given CharacterStream.
- *
- * @param Swift_CharacterStream $charStream to use for reading characters
- * @param Swift_StreamFilter $filter if input should be canonicalized
- */
- public function __construct(Swift_CharacterStream $charStream, Swift_StreamFilter $filter = null)
- {
- $this->_charStream = $charStream;
- if (!isset(self::$_safeMapShare[$this->getSafeMapShareId()])) {
- $this->initSafeMap();
- self::$_safeMapShare[$this->getSafeMapShareId()] = $this->_safeMap;
- } else {
- $this->_safeMap = self::$_safeMapShare[$this->getSafeMapShareId()];
- }
- $this->_filter = $filter;
- }
-
- public function __sleep()
- {
- return array('_charStream', '_filter');
- }
-
- public function __wakeup()
- {
- if (!isset(self::$_safeMapShare[$this->getSafeMapShareId()])) {
- $this->initSafeMap();
- self::$_safeMapShare[$this->getSafeMapShareId()] = $this->_safeMap;
- } else {
- $this->_safeMap = self::$_safeMapShare[$this->getSafeMapShareId()];
- }
- }
-
- protected function getSafeMapShareId()
- {
- return get_class($this);
- }
-
- protected function initSafeMap()
- {
- foreach (array_merge(
- array(0x09, 0x20), range(0x21, 0x3C), range(0x3E, 0x7E)) as $byte)
- {
- $this->_safeMap[$byte] = chr($byte);
- }
- }
-
- /**
- * Takes an unencoded string and produces a QP encoded string from it.
- *
- * QP encoded strings have a maximum line length of 76 characters.
- * If the first line needs to be shorter, indicate the difference with
- * $firstLineOffset.
- *
- * @param string $string to encode
- * @param int $firstLineOffset, optional
- * @param int $maxLineLength, optional 0 indicates the default of 76 chars
- *
- * @return string
- */
- public function encodeString($string, $firstLineOffset = 0, $maxLineLength = 0)
- {
- if ($maxLineLength > 76 || $maxLineLength <= 0) {
- $maxLineLength = 76;
- }
-
- $thisLineLength = $maxLineLength - $firstLineOffset;
-
- $lines = array();
- $lNo = 0;
- $lines[$lNo] = '';
- $currentLine =& $lines[$lNo++];
- $size=$lineLen=0;
-
- $this->_charStream->flushContents();
- $this->_charStream->importString($string);
-
- // Fetching more than 4 chars at one is slower, as is fetching fewer bytes
- // Conveniently 4 chars is the UTF-8 safe number since UTF-8 has up to 6
- // bytes per char and (6 * 4 * 3 = 72 chars per line) * =NN is 3 bytes
- while (false !== $bytes = $this->_nextSequence()) {
- // If we're filtering the input
- if (isset($this->_filter)) {
- // If we can't filter because we need more bytes
- while ($this->_filter->shouldBuffer($bytes)) {
- // Then collect bytes into the buffer
- if (false === $moreBytes = $this->_nextSequence(1)) {
- break;
- }
-
- foreach ($moreBytes as $b) {
- $bytes[] = $b;
- }
- }
- // And filter them
- $bytes = $this->_filter->filter($bytes);
- }
-
- $enc = $this->_encodeByteSequence($bytes, $size);
- if ($currentLine && $lineLen+$size >= $thisLineLength) {
- $lines[$lNo] = '';
- $currentLine =& $lines[$lNo++];
- $thisLineLength = $maxLineLength;
- $lineLen=0;
- }
- $lineLen+=$size;
- $currentLine .= $enc;
- }
-
- return $this->_standardize(implode("=\r\n", $lines));
- }
-
- /**
- * Updates the charset used.
- *
- * @param string $charset
- */
- public function charsetChanged($charset)
- {
- $this->_charStream->setCharacterSet($charset);
- }
-
- /**
- * Encode the given byte array into a verbatim QP form.
- *
- * @param integer[] $bytes
- * @param int $size
- *
- * @return string
- */
- protected function _encodeByteSequence(array $bytes, &$size)
- {
- $ret = '';
- $size=0;
- foreach ($bytes as $b) {
- if (isset($this->_safeMap[$b])) {
- $ret .= $this->_safeMap[$b];
- ++$size;
- } else {
- $ret .= self::$_qpMap[$b];
- $size+=3;
- }
- }
-
- return $ret;
- }
-
- /**
- * Get the next sequence of bytes to read from the char stream.
- *
- * @param int $size number of bytes to read
- *
- * @return integer[]
- */
- protected function _nextSequence($size = 4)
- {
- return $this->_charStream->readBytes($size);
- }
-
- /**
- * Make sure CRLF is correct and HT/SPACE are in valid places.
- *
- * @param string $string
- *
- * @return string
- */
- protected function _standardize($string)
- {
- $string = str_replace(array("\t=0D=0A", " =0D=0A", "=0D=0A"),
- array("=09\r\n", "=20\r\n", "\r\n"), $string
- );
- switch ($end = ord(substr($string, -1))) {
- case 0x09:
- case 0x20:
- $string = substr_replace($string, self::$_qpMap[$end], -1);
- }
-
- return $string;
- }
-}