first commit
This commit is contained in:
Daniel Tartavel
@ -0,0 +1,291 @@
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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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* A CharacterStream implementation which stores characters in an internal array.
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*
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* @author Chris Corbyn
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*/
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class Swift_CharacterStream_ArrayCharacterStream implements Swift_CharacterStream
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{
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/** A map of byte values and their respective characters */
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private static $charMap;
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/** A map of characters and their derivative byte values */
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private static $byteMap;
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/** The char reader (lazy-loaded) for the current charset */
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private $charReader;
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/** A factory for creating CharacterReader instances */
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private $charReaderFactory;
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/** The character set this stream is using */
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private $charset;
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/** Array of characters */
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private $array = [];
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/** Size of the array of character */
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private $array_size = [];
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/** The current character offset in the stream */
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private $offset = 0;
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/**
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* Create a new CharacterStream with the given $chars, if set.
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*
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* @param Swift_CharacterReaderFactory $factory for loading validators
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* @param string $charset used in the stream
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*/
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public function __construct(Swift_CharacterReaderFactory $factory, $charset)
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{
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self::initializeMaps();
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$this->setCharacterReaderFactory($factory);
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$this->setCharacterSet($charset);
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}
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/**
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* Set the character set used in this CharacterStream.
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*
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* @param string $charset
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*/
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public function setCharacterSet($charset)
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{
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$this->charset = $charset;
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$this->charReader = null;
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}
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/**
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* Set the CharacterReaderFactory for multi charset support.
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*/
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public function setCharacterReaderFactory(Swift_CharacterReaderFactory $factory)
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{
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$this->charReaderFactory = $factory;
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}
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/**
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* Overwrite this character stream using the byte sequence in the byte stream.
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*
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* @param Swift_OutputByteStream $os output stream to read from
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*/
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public function importByteStream(Swift_OutputByteStream $os)
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{
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if (!isset($this->charReader)) {
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$this->charReader = $this->charReaderFactory
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->getReaderFor($this->charset);
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}
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$startLength = $this->charReader->getInitialByteSize();
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while (false !== $bytes = $os->read($startLength)) {
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$c = [];
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for ($i = 0, $len = \strlen($bytes); $i < $len; ++$i) {
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$c[] = self::$byteMap[$bytes[$i]];
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}
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$size = \count($c);
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$need = $this->charReader
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->validateByteSequence($c, $size);
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if ($need > 0 &&
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false !== $bytes = $os->read($need)) {
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for ($i = 0, $len = \strlen($bytes); $i < $len; ++$i) {
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$c[] = self::$byteMap[$bytes[$i]];
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}
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}
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$this->array[] = $c;
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++$this->array_size;
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}
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}
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/**
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* Import a string a bytes into this CharacterStream, overwriting any existing
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* data in the stream.
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*
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* @param string $string
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*/
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public function importString($string)
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{
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$this->flushContents();
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$this->write($string);
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}
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/**
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* Read $length characters from the stream and move the internal pointer
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* $length further into the stream.
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*
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* @param int $length
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*
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* @return string
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*/
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public function read($length)
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{
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if ($this->offset == $this->array_size) {
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return false;
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}
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// Don't use array slice
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$arrays = [];
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$end = $length + $this->offset;
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for ($i = $this->offset; $i < $end; ++$i) {
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if (!isset($this->array[$i])) {
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break;
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}
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$arrays[] = $this->array[$i];
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}
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$this->offset += $i - $this->offset; // Limit function calls
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$chars = false;
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foreach ($arrays as $array) {
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$chars .= implode('', array_map('chr', $array));
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}
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return $chars;
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}
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/**
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* Read $length characters from the stream and return a 1-dimensional array
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* containing there octet values.
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*
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* @param int $length
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*
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* @return int[]
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*/
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public function readBytes($length)
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{
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if ($this->offset == $this->array_size) {
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return false;
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}
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$arrays = [];
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$end = $length + $this->offset;
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for ($i = $this->offset; $i < $end; ++$i) {
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if (!isset($this->array[$i])) {
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break;
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}
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$arrays[] = $this->array[$i];
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}
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$this->offset += ($i - $this->offset); // Limit function calls
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return array_merge(...$arrays);
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}
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/**
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* Write $chars to the end of the stream.
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*
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* @param string $chars
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*/
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public function write($chars)
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{
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if (!isset($this->charReader)) {
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$this->charReader = $this->charReaderFactory->getReaderFor(
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$this->charset);
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}
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$startLength = $this->charReader->getInitialByteSize();
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$fp = fopen('php://memory', 'w+b');
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fwrite($fp, $chars);
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unset($chars);
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fseek($fp, 0, SEEK_SET);
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$buffer = [0];
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$buf_pos = 1;
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$buf_len = 1;
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$has_datas = true;
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do {
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$bytes = [];
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// Buffer Filing
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if ($buf_len - $buf_pos < $startLength) {
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$buf = array_splice($buffer, $buf_pos);
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$new = $this->reloadBuffer($fp, 100);
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if ($new) {
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$buffer = array_merge($buf, $new);
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$buf_len = \count($buffer);
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$buf_pos = 0;
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} else {
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$has_datas = false;
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}
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}
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if ($buf_len - $buf_pos > 0) {
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$size = 0;
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for ($i = 0; $i < $startLength && isset($buffer[$buf_pos]); ++$i) {
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++$size;
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$bytes[] = $buffer[$buf_pos++];
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}
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$need = $this->charReader->validateByteSequence(
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$bytes, $size);
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if ($need > 0) {
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if ($buf_len - $buf_pos < $need) {
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$new = $this->reloadBuffer($fp, $need);
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if ($new) {
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$buffer = array_merge($buffer, $new);
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$buf_len = \count($buffer);
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}
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}
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for ($i = 0; $i < $need && isset($buffer[$buf_pos]); ++$i) {
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$bytes[] = $buffer[$buf_pos++];
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}
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}
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$this->array[] = $bytes;
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++$this->array_size;
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}
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} while ($has_datas);
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fclose($fp);
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}
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/**
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* Move the internal pointer to $charOffset in the stream.
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*
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* @param int $charOffset
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*/
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public function setPointer($charOffset)
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{
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if ($charOffset > $this->array_size) {
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$charOffset = $this->array_size;
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} elseif ($charOffset < 0) {
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$charOffset = 0;
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}
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$this->offset = $charOffset;
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}
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/**
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* Empty the stream and reset the internal pointer.
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*/
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public function flushContents()
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{
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$this->offset = 0;
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$this->array = [];
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$this->array_size = 0;
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}
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private function reloadBuffer($fp, $len)
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{
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if (!feof($fp) && false !== ($bytes = fread($fp, $len))) {
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$buf = [];
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for ($i = 0, $len = \strlen($bytes); $i < $len; ++$i) {
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$buf[] = self::$byteMap[$bytes[$i]];
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}
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return $buf;
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}
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return false;
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}
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private static function initializeMaps()
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{
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if (!isset(self::$charMap)) {
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self::$charMap = [];
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for ($byte = 0; $byte < 256; ++$byte) {
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self::$charMap[$byte] = \chr($byte);
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}
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self::$byteMap = array_flip(self::$charMap);
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}
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}
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}
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@ -0,0 +1,262 @@
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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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* A CharacterStream implementation which stores characters in an internal array.
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*
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* @author Xavier De Cock <xdecock@gmail.com>
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*/
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class Swift_CharacterStream_NgCharacterStream implements Swift_CharacterStream
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{
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/**
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* The char reader (lazy-loaded) for the current charset.
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*
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* @var Swift_CharacterReader
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*/
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private $charReader;
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/**
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* A factory for creating CharacterReader instances.
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*
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* @var Swift_CharacterReaderFactory
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*/
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private $charReaderFactory;
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/**
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* The character set this stream is using.
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*
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* @var string
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*/
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private $charset;
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/**
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* The data's stored as-is.
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*
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* @var string
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*/
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private $datas = '';
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/**
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* Number of bytes in the stream.
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*
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* @var int
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*/
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private $datasSize = 0;
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/**
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* Map.
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*
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* @var mixed
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*/
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private $map;
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/**
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* Map Type.
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*
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* @var int
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*/
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private $mapType = 0;
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/**
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* Number of characters in the stream.
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*
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* @var int
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*/
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private $charCount = 0;
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/**
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* Position in the stream.
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*
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* @var int
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*/
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private $currentPos = 0;
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/**
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* Constructor.
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*
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* @param string $charset
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*/
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public function __construct(Swift_CharacterReaderFactory $factory, $charset)
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{
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$this->setCharacterReaderFactory($factory);
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$this->setCharacterSet($charset);
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}
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/* -- Changing parameters of the stream -- */
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/**
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* Set the character set used in this CharacterStream.
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*
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* @param string $charset
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*/
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public function setCharacterSet($charset)
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{
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$this->charset = $charset;
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$this->charReader = null;
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$this->mapType = 0;
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}
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/**
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* Set the CharacterReaderFactory for multi charset support.
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*/
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public function setCharacterReaderFactory(Swift_CharacterReaderFactory $factory)
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{
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$this->charReaderFactory = $factory;
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}
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/**
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* @see Swift_CharacterStream::flushContents()
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*/
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public function flushContents()
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{
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$this->datas = null;
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$this->map = null;
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$this->charCount = 0;
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$this->currentPos = 0;
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$this->datasSize = 0;
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}
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/**
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* @see Swift_CharacterStream::importByteStream()
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*/
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public function importByteStream(Swift_OutputByteStream $os)
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{
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$this->flushContents();
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$blocks = 512;
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$os->setReadPointer(0);
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while (false !== ($read = $os->read($blocks))) {
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$this->write($read);
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}
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}
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/**
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* @see Swift_CharacterStream::importString()
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*
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* @param string $string
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*/
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public function importString($string)
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{
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$this->flushContents();
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$this->write($string);
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}
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/**
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* @see Swift_CharacterStream::read()
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*
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* @param int $length
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*
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* @return string
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*/
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public function read($length)
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{
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if ($this->currentPos >= $this->charCount) {
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return false;
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}
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$ret = false;
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$length = ($this->currentPos + $length > $this->charCount) ? $this->charCount - $this->currentPos : $length;
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switch ($this->mapType) {
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case Swift_CharacterReader::MAP_TYPE_FIXED_LEN:
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$len = $length * $this->map;
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$ret = substr($this->datas,
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$this->currentPos * $this->map,
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$len);
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$this->currentPos += $length;
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break;
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case Swift_CharacterReader::MAP_TYPE_INVALID:
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$ret = '';
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for (; $this->currentPos < $length; ++$this->currentPos) {
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if (isset($this->map[$this->currentPos])) {
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$ret .= '?';
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} else {
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$ret .= $this->datas[$this->currentPos];
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}
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}
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break;
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case Swift_CharacterReader::MAP_TYPE_POSITIONS:
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$end = $this->currentPos + $length;
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$end = $end > $this->charCount ? $this->charCount : $end;
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$ret = '';
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$start = 0;
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if ($this->currentPos > 0) {
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$start = $this->map['p'][$this->currentPos - 1];
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}
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$to = $start;
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for (; $this->currentPos < $end; ++$this->currentPos) {
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if (isset($this->map['i'][$this->currentPos])) {
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$ret .= substr($this->datas, $start, $to - $start).'?';
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$start = $this->map['p'][$this->currentPos];
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} else {
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$to = $this->map['p'][$this->currentPos];
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}
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}
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$ret .= substr($this->datas, $start, $to - $start);
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break;
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}
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||||
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return $ret;
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||||
}
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||||
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||||
/**
|
||||
* @see Swift_CharacterStream::readBytes()
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*
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* @param int $length
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*
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* @return int[]
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*/
|
||||
public function readBytes($length)
|
||||
{
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$read = $this->read($length);
|
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if (false !== $read) {
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$ret = array_map('ord', str_split($read, 1));
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||||
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return $ret;
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}
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||||
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||||
return false;
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}
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||||
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||||
/**
|
||||
* @see Swift_CharacterStream::setPointer()
|
||||
*
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* @param int $charOffset
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||||
*/
|
||||
public function setPointer($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 = [];
|
||||
$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 (false !== $ignored) {
|
||||
$this->datasSize = \strlen($this->datas) - \strlen($ignored);
|
||||
} else {
|
||||
$this->datasSize = \strlen($this->datas);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user