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Diffstat (limited to 'External/swiftmailer/lib/classes/Swift/CharacterStream/NgCharacterStream.php')
| -rwxr-xr-x | External/swiftmailer/lib/classes/Swift/CharacterStream/NgCharacterStream.php | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/External/swiftmailer/lib/classes/Swift/CharacterStream/NgCharacterStream.php b/External/swiftmailer/lib/classes/Swift/CharacterStream/NgCharacterStream.php new file mode 100755 index 0000000..f090aa7 --- /dev/null +++ b/External/swiftmailer/lib/classes/Swift/CharacterStream/NgCharacterStream.php @@ -0,0 +1,300 @@ +<?php + +/* + CharacterStream implementation using an array in Swift Mailer. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. + + */ + +//@require 'Swift/CharacterStream.php'; +//@require 'Swift/OutputByteStream.php'; + + +/** + * A CharacterStream implementation which stores characters in an internal array. + * @package Swift + * @subpackage CharacterStream + * @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 + * @access private + */ + private $_charReader; + + /** + * A factory for creatiing CharacterReader instances. + * @var Swift_CharacterReaderFactory + * @access private + */ + private $_charReaderFactory; + + /** + * The character set this stream is using. + * @var string + * @access private + */ + private $_charset; + + /** + * The datas 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 unknown_type + */ + private $_currentPos = 0; + + /** + * The constructor + * + * @param Swift_CharacterReaderFactory $factory + * @param unknown_type $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 $length + * @return int[] + */ + public function readBytes($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); + } + } +}
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