Possibly the most accurate RFC 2045 QP implementation found in PHP.
public function testEncodingAndDecodingSamples()
{
$sampleFp = opendir($this->_samplesDir);
while (false !== ($encodingDir = readdir($sampleFp))) {
if (substr($encodingDir, 0, 1) == '.') {
continue;
}
$encoding = $encodingDir;
$charStream = new Swift_CharacterStream_ArrayCharacterStream($this->_factory, $encoding);
$encoder = new Swift_Encoder_QpEncoder($charStream);
$sampleDir = $this->_samplesDir . '/' . $encodingDir;
if (is_dir($sampleDir)) {
$fileFp = opendir($sampleDir);
while (false !== ($sampleFile = readdir($fileFp))) {
if (substr($sampleFile, 0, 1) == '.') {
continue;
}
$text = file_get_contents($sampleDir . '/' . $sampleFile);
$encodedText = $encoder->encodeString($text);
foreach (explode("\r\n", $encodedText) as $line) {
$this->assertLessThanOrEqual(76, strlen($line));
}
$this->assertEquals(quoted_printable_decode($encodedText), $text, '%s: Encoded string should decode back to original string for sample ' . $sampleDir . '/' . $sampleFile);
}
closedir($fileFp);
}
}
closedir($sampleFp);
}
protected function initSafeMap()
{
parent::initSafeMap();
if ($this->_dotEscape) {
/* Encode . as =2e for buggy remote servers */
unset($this->_safeMap[0x2e]);
}
}
/**
* Creates a new QpContentEncoder for the given CharacterStream.
* @param Swift_CharacterStream $charStream to use for reading characters
* @param Swift_StreamFilter $filter if canonicalization should occur
* @param boolean $dotEscape if dot stuffing workaround must be enabled
*/
public function __construct(Swift_CharacterStream $charStream, Swift_StreamFilter $filter = null, $dotEscape = false)
{
parent::__construct($charStream, $filter);
if ($dotEscape) {
/* Encode . as =2e for buggy remote servers */
unset($this->_safeMap[0x2e]);
}
}
public function testFirstLineLengthCanBeDifferent()
{
$input = str_repeat('a', 140);
$charStream = $this->_createCharStream();
$charStream->shouldReceive('flushContents')->once();
$charStream->shouldReceive('importString')->once()->with($input);
$output = '';
for ($i = 0; $i < 140; ++$i) {
$charStream->shouldReceive('readBytes')->once()->andReturn(array(ord('a')));
if (53 == $i || 53 + 75 == $i) {
$output .= "=\r\n";
}
$output .= 'a';
}
$charStream->shouldReceive('readBytes')->once()->andReturn(false);
$encoder = new Swift_Encoder_QpEncoder($charStream);
$this->assertEquals($output, $encoder->encodeString($input, 22), '%s: First line should start at offset 22 so can only have max length 54');
}
/**
* Creates a new QpContentEncoder for the given CharacterStream.
* @param Swift_CharacterStream $charStream to use for reading characters
* @param Swift_StreamFilter $filter if canonicalization should occur
*/
public function __construct(Swift_CharacterStream $charStream, Swift_StreamFilter $filter = null)
{
parent::__construct($charStream, $filter);
}
/**
* Takes an unencoded string and produces a QP encoded string from it.
*
* @param string $string string to encode
* @param int $firstLineOffset optional
* @param int $maxLineLength optional, 0 indicates the default of 76 chars
*
* @return string
*/
public function encodeString($string, $firstLineOffset = 0, $maxLineLength = 0)
{
return str_replace(array(' ', '=20', "=\r\n"), array('_', '_', "\r\n"), parent::encodeString($string, $firstLineOffset, $maxLineLength));
}
public function testFirstLineLengthCanBeDifferent()
{
$input = str_repeat('a', 140);
$charStream = $this->_createCharStream();
$seq = $this->_mockery()->sequence('byte-sequence');
$exps = Expectations::create();
$exps->one($charStream)->flushContents();
$exps->one($charStream)->importString($input);
$output = '';
for ($i = 0; $i < 140; ++$i) {
$exps->one($charStream)->readBytes(optional())->inSequence($seq)->returns(array(ord('a')));
if (53 == $i || 53 + 75 == $i) {
$output .= "=\r\n";
}
$output .= 'a';
}
$exps->one($charStream)->readBytes(optional())->inSequence($seq)->returns(false);
$this->_checking($exps);
$encoder = new Swift_Encoder_QpEncoder($charStream);
$this->assertEqual($output, $encoder->encodeString($input, 22), '%s: First line should start at offset 22 so can only have max length 54');
}
