diff options
Diffstat (limited to 'vendor/swiftmailer/classes/Swift/CharacterReader/Utf8Reader.php')
| -rw-r--r-- | vendor/swiftmailer/classes/Swift/CharacterReader/Utf8Reader.php | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/vendor/swiftmailer/classes/Swift/CharacterReader/Utf8Reader.php b/vendor/swiftmailer/classes/Swift/CharacterReader/Utf8Reader.php new file mode 100644 index 00000000..79c6f729 --- /dev/null +++ b/vendor/swiftmailer/classes/Swift/CharacterReader/Utf8Reader.php @@ -0,0 +1,179 @@ +<?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. + */ + +/** + * Analyzes UTF-8 characters. + * + * @author Chris Corbyn + * @author Xavier De Cock <xdecock@gmail.com> + */ +class Swift_CharacterReader_Utf8Reader implements Swift_CharacterReader +{ + /** Pre-computed for optimization */ + private static $length_map=array( + // N=0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, // 0x0N + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, // 0x1N + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, // 0x2N + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, // 0x3N + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, // 0x4N + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, // 0x5N + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, // 0x6N + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, // 0x7N + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 0x8N + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 0x9N + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 0xAN + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 0xBN + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, // 0xCN + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, // 0xDN + 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3, // 0xEN + 4,4,4,4,4,4,4,4,5,5,5,5,6,6,0,0 // 0xFN + ); + + private static $s_length_map=array( + "\x00"=>1, "\x01"=>1, "\x02"=>1, "\x03"=>1, "\x04"=>1, "\x05"=>1, "\x06"=>1, "\x07"=>1, + "\x08"=>1, "\x09"=>1, "\x0a"=>1, "\x0b"=>1, "\x0c"=>1, "\x0d"=>1, "\x0e"=>1, "\x0f"=>1, + "\x10"=>1, "\x11"=>1, "\x12"=>1, "\x13"=>1, "\x14"=>1, "\x15"=>1, "\x16"=>1, "\x17"=>1, + "\x18"=>1, "\x19"=>1, "\x1a"=>1, "\x1b"=>1, "\x1c"=>1, "\x1d"=>1, "\x1e"=>1, "\x1f"=>1, + "\x20"=>1, "\x21"=>1, "\x22"=>1, "\x23"=>1, "\x24"=>1, "\x25"=>1, "\x26"=>1, "\x27"=>1, + "\x28"=>1, "\x29"=>1, "\x2a"=>1, "\x2b"=>1, "\x2c"=>1, "\x2d"=>1, "\x2e"=>1, "\x2f"=>1, + "\x30"=>1, "\x31"=>1, "\x32"=>1, "\x33"=>1, "\x34"=>1, "\x35"=>1, "\x36"=>1, "\x37"=>1, + "\x38"=>1, "\x39"=>1, "\x3a"=>1, "\x3b"=>1, "\x3c"=>1, "\x3d"=>1, "\x3e"=>1, "\x3f"=>1, + "\x40"=>1, "\x41"=>1, "\x42"=>1, "\x43"=>1, "\x44"=>1, "\x45"=>1, "\x46"=>1, "\x47"=>1, + "\x48"=>1, "\x49"=>1, "\x4a"=>1, "\x4b"=>1, "\x4c"=>1, "\x4d"=>1, "\x4e"=>1, "\x4f"=>1, + "\x50"=>1, "\x51"=>1, "\x52"=>1, "\x53"=>1, "\x54"=>1, "\x55"=>1, "\x56"=>1, "\x57"=>1, + "\x58"=>1, "\x59"=>1, "\x5a"=>1, "\x5b"=>1, "\x5c"=>1, "\x5d"=>1, "\x5e"=>1, "\x5f"=>1, + "\x60"=>1, "\x61"=>1, "\x62"=>1, "\x63"=>1, "\x64"=>1, "\x65"=>1, "\x66"=>1, "\x67"=>1, + "\x68"=>1, "\x69"=>1, "\x6a"=>1, "\x6b"=>1, "\x6c"=>1, "\x6d"=>1, "\x6e"=>1, "\x6f"=>1, + "\x70"=>1, "\x71"=>1, "\x72"=>1, "\x73"=>1, "\x74"=>1, "\x75"=>1, "\x76"=>1, "\x77"=>1, + "\x78"=>1, "\x79"=>1, "\x7a"=>1, "\x7b"=>1, "\x7c"=>1, "\x7d"=>1, "\x7e"=>1, "\x7f"=>1, + "\x80"=>0, "\x81"=>0, "\x82"=>0, "\x83"=>0, "\x84"=>0, "\x85"=>0, "\x86"=>0, "\x87"=>0, + "\x88"=>0, "\x89"=>0, "\x8a"=>0, "\x8b"=>0, "\x8c"=>0, "\x8d"=>0, "\x8e"=>0, "\x8f"=>0, + "\x90"=>0, "\x91"=>0, "\x92"=>0, "\x93"=>0, "\x94"=>0, "\x95"=>0, "\x96"=>0, "\x97"=>0, + "\x98"=>0, "\x99"=>0, "\x9a"=>0, "\x9b"=>0, "\x9c"=>0, "\x9d"=>0, "\x9e"=>0, "\x9f"=>0, + "\xa0"=>0, "\xa1"=>0, "\xa2"=>0, "\xa3"=>0, "\xa4"=>0, "\xa5"=>0, "\xa6"=>0, "\xa7"=>0, + "\xa8"=>0, "\xa9"=>0, "\xaa"=>0, "\xab"=>0, "\xac"=>0, "\xad"=>0, "\xae"=>0, "\xaf"=>0, + "\xb0"=>0, "\xb1"=>0, "\xb2"=>0, "\xb3"=>0, "\xb4"=>0, "\xb5"=>0, "\xb6"=>0, "\xb7"=>0, + "\xb8"=>0, "\xb9"=>0, "\xba"=>0, "\xbb"=>0, "\xbc"=>0, "\xbd"=>0, "\xbe"=>0, "\xbf"=>0, + "\xc0"=>2, "\xc1"=>2, "\xc2"=>2, "\xc3"=>2, "\xc4"=>2, "\xc5"=>2, "\xc6"=>2, "\xc7"=>2, + "\xc8"=>2, "\xc9"=>2, "\xca"=>2, "\xcb"=>2, "\xcc"=>2, "\xcd"=>2, "\xce"=>2, "\xcf"=>2, + "\xd0"=>2, "\xd1"=>2, "\xd2"=>2, "\xd3"=>2, "\xd4"=>2, "\xd5"=>2, "\xd6"=>2, "\xd7"=>2, + "\xd8"=>2, "\xd9"=>2, "\xda"=>2, "\xdb"=>2, "\xdc"=>2, "\xdd"=>2, "\xde"=>2, "\xdf"=>2, + "\xe0"=>3, "\xe1"=>3, "\xe2"=>3, "\xe3"=>3, "\xe4"=>3, "\xe5"=>3, "\xe6"=>3, "\xe7"=>3, + "\xe8"=>3, "\xe9"=>3, "\xea"=>3, "\xeb"=>3, "\xec"=>3, "\xed"=>3, "\xee"=>3, "\xef"=>3, + "\xf0"=>4, "\xf1"=>4, "\xf2"=>4, "\xf3"=>4, "\xf4"=>4, "\xf5"=>4, "\xf6"=>4, "\xf7"=>4, + "\xf8"=>5, "\xf9"=>5, "\xfa"=>5, "\xfb"=>5, "\xfc"=>6, "\xfd"=>6, "\xfe"=>0, "\xff"=>0, + ); + + /** + * Returns the complete character map. + * + * @param string $string + * @param int $startOffset + * @param array $currentMap + * @param mixed $ignoredChars + * + * @return int + */ + public function getCharPositions($string, $startOffset, &$currentMap, &$ignoredChars) + { + if (!isset($currentMap['i']) || ! isset($currentMap['p'])) { + $currentMap['p'] = $currentMap['i'] = array(); + } + + $strlen=strlen($string); + $charPos=count($currentMap['p']); + $foundChars=0; + $invalid=false; + for ($i = 0; $i < $strlen; ++$i) { + $char = $string[$i]; + $size = self::$s_length_map[$char]; + if ($size == 0) { + /* char is invalid, we must wait for a resync */ + $invalid = true; + continue; + } else { + if ($invalid == true) { + /* We mark the chars as invalid and start a new char */ + $currentMap['p'][$charPos + $foundChars] = $startOffset + $i; + $currentMap['i'][$charPos + $foundChars] = true; + ++$foundChars; + $invalid = false; + } + if (($i + $size) > $strlen) { + $ignoredChars = substr($string, $i); + break; + } + for ($j = 1; $j < $size; ++$j) { + $char = $string[$i + $j]; + if ($char > "\x7F" && $char < "\xC0") { + // Valid - continue parsing + } else { + /* char is invalid, we must wait for a resync */ + $invalid = true; + continue 2; + } + } + /* Ok we got a complete char here */ + $currentMap['p'][$charPos + $foundChars] = $startOffset + $i + $size; + $i += $j - 1; + ++$foundChars; + } + } + + return $foundChars; + } + + /** + * Returns mapType. + * + * @return int mapType + */ + public function getMapType() + { + return self::MAP_TYPE_POSITIONS; + } + + /** + * Returns an integer which specifies how many more bytes to read. + * + * A positive integer indicates the number of more bytes to fetch before invoking + * this method again. + * A value of zero means this is already a valid character. + * A value of -1 means this cannot possibly be a valid character. + * + * @param string $bytes + * @param int $size + * + * @return int + */ + public function validateByteSequence($bytes, $size) + { + if ($size<1) { + return -1; + } + $needed = self::$length_map[$bytes[0]] - $size; + + return ($needed > -1) + ? $needed + : -1 + ; + } + + /** + * Returns the number of bytes which should be read to start each character. + * + * @return int + */ + public function getInitialByteSize() + { + return 1; + } +} |