<?php

class Swift_Mime_ContentEncoder_PlainContentEncoder implements Swift_Mime_ContentEncoder
{
    /**
     * The name of this encoding scheme (probably 7bit or 8bit).
     *
     * @var string
     */
    private $name;

    /**
     * True if canonical transformations should be done.
     *
     * @var bool
     */
    private $canonical;

    /**
     * Creates a new PlainContentEncoder with $name (probably 7bit or 8bit).
     *
     * @param string $name
     * @param bool   $canonical if canonicalization transformation should be done
     */
    public function __construct($name, $canonical = false)
    {
        $this->name = $name;
        $this->canonical = $canonical;
    }

    /**
     * Encode a given string to produce an encoded string.
     *
     * @param string $string
     * @param int    $firstLineOffset ignored
     * @param int    $maxLineLength   - 0 means no wrapping will occur
     *
     * @return string
     */
    public function encodeString($string, $firstLineOffset = 0, $maxLineLength = 0)
    {
        if ($this->canonical) {
            $string = $this->canonicalize($string);
        }

        return $this->safeWordwrap($string, $maxLineLength, "\r\n");
    }

    /**
     * Encode stream $in to stream $out.
     *
     * @param int $firstLineOffset ignored
     * @param int $maxLineLength   optional, 0 means no wrapping will occur
     */
    public function encodeByteStream(
        Swift_OutputByteStream $os,
        Swift_InputByteStream $is,
        $firstLineOffset = 0,
        $maxLineLength = 0,
    ) {
        $leftOver = '';
        while (false !== $bytes = $os->read(8192)) {
            $toencode = $leftOver.$bytes;
            if ($this->canonical) {
                $toencode = $this->canonicalize($toencode);
            }
            $wrapped = $this->safeWordwrap($toencode, $maxLineLength, "\r\n");
            $lastLinePos = strrpos($wrapped, "\r\n");
            $leftOver = substr($wrapped, $lastLinePos);
            $wrapped = substr($wrapped, 0, $lastLinePos);

            $is->write($wrapped);
        }
        if (strlen($leftOver)) {
            $is->write($leftOver);
        }
    }

    /**
     * Get the name of this encoding scheme.
     *
     * @return string
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * Not used.
     */
    public function charsetChanged($charset)
    {
    }

    /**
     * A safer (but weaker) wordwrap for unicode.
     *
     * @param string $string
     * @param int    $length
     * @param string $le
     *
     * @return string
     */
    private function safeWordwrap($string, $length = 75, $le = "\r\n")
    {
        if (0 >= $length) {
            return $string;
        }

        $originalLines = explode($le, $string);

        $lines = [];
        $lineCount = 0;

        foreach ($originalLines as $originalLine) {
            $lines[] = '';
            $currentLine = &$lines[$lineCount++];

            //$chunks = preg_split('/(?<=[\ \t,\.!\?\-&\+\/])/', $originalLine);
            $chunks = preg_split('/(?<=\s)/', $originalLine);

            foreach ($chunks as $chunk) {
                if (0 != strlen($currentLine)
                    && strlen($currentLine.$chunk) > $length) {
                    $lines[] = '';
                    $currentLine = &$lines[$lineCount++];
                }
                $currentLine .= $chunk;
            }
        }

        return implode("\r\n", $lines);
    }

    /**
     * Canonicalize string input (fix CRLF).
     *
     * @param string $string
     *
     * @return string
     */
    private function canonicalize($string)
    {
        return str_replace(
            ["\r\n", "\r", "\n"],
            ["\n", "\n", "\r\n"],
            $string
            );
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NTg4NzYxNjcxODIwMDA2NiA3NzcyMDQyMDQ3MTgzMDE3IDMxNzEyNzU3NDg0NzE5MDM=