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Diffstat (limited to 'vendor/swiftmailer/classes/Swift/CharacterStream/NgCharacterStream.php')
| -rw-r--r-- | vendor/swiftmailer/classes/Swift/CharacterStream/NgCharacterStream.php | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/vendor/swiftmailer/classes/Swift/CharacterStream/NgCharacterStream.php b/vendor/swiftmailer/classes/Swift/CharacterStream/NgCharacterStream.php new file mode 100644 index 00000000..bd44658d --- /dev/null +++ b/vendor/swiftmailer/classes/Swift/CharacterStream/NgCharacterStream.php @@ -0,0 +1,275 @@ +<?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. + */ + +/** + * A CharacterStream implementation which stores characters in an internal array. + * + * @author Xavier De Cock <xdecock@gmail.com> + */ + +class Swift_CharacterStream_NgCharacterStream implements Swift_CharacterStream +{ + /** + * The char reader (lazy-loaded) for the current charset. + * + * @var Swift_CharacterReader + */ + private $_charReader; + + /** + * A factory for creating CharacterReader instances. + * + * @var Swift_CharacterReaderFactory + */ + private $_charReaderFactory; + + /** + * The character set this stream is using. + * + * @var string + */ + private $_charset; + + /** + * The data's stored as-is. + * + * @var string + */ + private $_datas = ''; + + /** + * Number of bytes in the stream + * + * @var int + */ + private $_datasSize = 0; + + /** + * Map. + * + * @var mixed + */ + private $_map; + + /** + * Map Type. + * + * @var int + */ + private $_mapType = 0; + + /** + * Number of characters in the stream. + * + * @var int + */ + private $_charCount = 0; + + /** + * Position in the stream. + * + * @var int + */ + private $_currentPos = 0; + + /** + * Constructor. + * + * @param Swift_CharacterReaderFactory $factory + * @param string $charset + */ + public function __construct(Swift_CharacterReaderFactory $factory, $charset) + { + $this->setCharacterReaderFactory($factory); + $this->setCharacterSet($charset); + } + + /* -- Changing parameters of the stream -- */ + + /** + * Set the character set used in this CharacterStream. + * + * @param string $charset + */ + public function setCharacterSet($charset) + { + $this->_charset = $charset; + $this->_charReader = null; + $this->_mapType = 0; + } + + /** + * Set the CharacterReaderFactory for multi charset support. + * + * @param Swift_CharacterReaderFactory $factory + */ + public function setCharacterReaderFactory(Swift_CharacterReaderFactory $factory) + { + $this->_charReaderFactory = $factory; + } + + /** + * @see Swift_CharacterStream::flushContents() + */ + public function flushContents() + { + $this->_datas = null; + $this->_map = null; + $this->_charCount = 0; + $this->_currentPos = 0; + $this->_datasSize = 0; + } + + /** + * @see Swift_CharacterStream::importByteStream() + * + * @param Swift_OutputByteStream $os + */ + public function importByteStream(Swift_OutputByteStream $os) + { + $this->flushContents(); + $blocks=512; + $os->setReadPointer(0); + while(false!==($read = $os->read($blocks))) + $this->write($read); + } + + /** + * @see Swift_CharacterStream::importString() + * + * @param string $string + */ + public function importString($string) + { + $this->flushContents(); + $this->write($string); + } + + /** + * @see Swift_CharacterStream::read() + * + * @param int $length + * + * @return string + */ + public function read($length) + { + if ($this->_currentPos>=$this->_charCount) { + return false; + } + $ret=false; + $length = ($this->_currentPos+$length > $this->_charCount) + ? $this->_charCount - $this->_currentPos + : $length; + switch ($this->_mapType) { + case Swift_CharacterReader::MAP_TYPE_FIXED_LEN: + $len = $length*$this->_map; + $ret = substr($this->_datas, + $this->_currentPos * $this->_map, + $len); + $this->_currentPos += $length; + break; + + case Swift_CharacterReader::MAP_TYPE_INVALID: + $end = $this->_currentPos + $length; + $end = $end > $this->_charCount + ?$this->_charCount + :$end; + $ret = ''; + for (; $this->_currentPos < $length; ++$this->_currentPos) { + if (isset ($this->_map[$this->_currentPos])) { + $ret .= '?'; + } else { + $ret .= $this->_datas[$this->_currentPos]; + } + } + break; + + case Swift_CharacterReader::MAP_TYPE_POSITIONS: + $end = $this->_currentPos + $length; + $end = $end > $this->_charCount + ?$this->_charCount + :$end; + $ret = ''; + $start = 0; + if ($this->_currentPos>0) { + $start = $this->_map['p'][$this->_currentPos-1]; + } + $to = $start; + for (; $this->_currentPos < $end; ++$this->_currentPos) { + if (isset($this->_map['i'][$this->_currentPos])) { + $ret .= substr($this->_datas, $start, $to - $start).'?'; + $start = $this->_map['p'][$this->_currentPos]; + } else { + $to = $this->_map['p'][$this->_currentPos]; + } + } + $ret .= substr($this->_datas, $start, $to - $start); + break; + } + + return $ret; + } + + /** + * @see Swift_CharacterStream::readBytes() + * + * @param int $length + * + * @return integer[] + */ + public function readBytes($length) + { + $read=$this->read($length); + if ($read!==false) { + $ret = array_map('ord', str_split($read, 1)); + + return $ret; + } + + return false; + } + + /** + * @see Swift_CharacterStream::setPointer() + * + * @param int $charOffset + */ + public function setPointer($charOffset) + { + if ($this->_charCount<$charOffset) { + $charOffset=$this->_charCount; + } + $this->_currentPos = $charOffset; + } + + /** + * @see Swift_CharacterStream::write() + * + * @param string $chars + */ + public function write($chars) + { + if (!isset($this->_charReader)) { + $this->_charReader = $this->_charReaderFactory->getReaderFor( + $this->_charset); + $this->_map = array(); + $this->_mapType = $this->_charReader->getMapType(); + } + $ignored=''; + $this->_datas .= $chars; + $this->_charCount += $this->_charReader->getCharPositions(substr($this->_datas, $this->_datasSize), $this->_datasSize, $this->_map, $ignored); + if ($ignored!==false) { + $this->_datasSize=strlen($this->_datas)-strlen($ignored); + } else { + $this->_datasSize=strlen($this->_datas); + } + } +} |