public function testMultipleStreamsAreReadLikeAConcatenatedString()
{
$cache1 = new Swift_Cache_Memory();
$cache1->write("foo", "abc");
$os1 = $cache1->getOutputStream("foo");
$cache2 = new Swift_Cache_Memory();
$cache2->write("bar", "def");
$os2 = $cache2->getOutputStream("bar");
$cache3 = new Swift_Cache_Memory();
$cache3->write("zip", "123456789");
$os3 = $cache3->getOutputStream("zip");
$joint_os = new Swift_Cache_JointOutputStream(array($os1, $os2, $os3));
$ret = "";
while (false !== ($bytes = $joint_os->read())) {
$ret .= $bytes;
}
$this->assertEqual("abcdef123456789", $ret);
}
/**
* Compile the entire MIME document into a string
* The returned string may be used in other documents if needed.
* @return Swift_Cache_OutputStream
*/
public function build()
{
$this->preBuild();
$data = $this->buildData();
$joint_os = new Swift_Cache_JointOutputStream();
$this->cache->clear("headers");
$this->cache->write("headers", $this->headers->build());
$joint_os->addStream($this->cache->getOutputStream("headers"));
$this->cache->clear("dbl_le");
$this->cache->write("dbl_le", str_repeat($this->LE, 2));
$joint_os->addStream($this->cache->getOutputStream("dbl_le"));
$joint_os->addStream($data);
return $joint_os;
//return $this->headers->build() . str_repeat($this->LE, 2) . $data;
}
/**
* Get the data in the format suitable for sending
* @return Swift_Cache_OutputStream
* @throws Swift_FileException If the file stream given cannot be read
* @throws Swift_Message_MimeException If some required headers have been forcefully removed
*/
function &buildData()
{
Swift_ClassLoader::load("Swift_Cache_JointOutputStream");
$encoder =& $this->_encoder;
if (!empty($this->children)) {
if ($this->boundary === null) {
$this->boundary = Swift_Message_Mime::generateBoundary();
}
$this->headers->setAttribute("Content-Type", "boundary", $this->boundary);
$this->cache->clear("append");
foreach ($this->children as $id => $part) {
$this->cache->write("append", $this->LE . "--" . $this->boundary . $this->LE);
$part_stream = $this->children[$id]->build();
while (false !== ($bytes = $part_stream->read())) {
$this->cache->write("append", $bytes);
}
}
$this->cache->write("append", $this->LE . "--" . $this->boundary . "--" . $this->LE);
}
$i = array();
$joint_os = new Swift_Cache_JointOutputStream($i);
//Try using a cached version to save some cycles (at the expense of memory)
if ($this->cache->has("body")) {
$body =& $this->cache->getOutputStream("body");
$joint_os->addStream($body);
$append =& $this->cache->getOutputStream("append");
$joint_os->addStream($append);
return $joint_os;
}
$data =& $this->getData();
$is_file = is_a($this->getData(), "Swift_File");
switch ($this->getEncoding()) {
case "quoted-printable":
if ($is_file) {
$qp_os = $encoder->QPEncodeFile($this->getData(), 76, $this->LE);
while (false !== ($bytes = $qp_os->read())) {
$this->cache->write("body", $bytes);
}
} else {
$this->cache->write("body", $encoder->QPEncode($this->getData(), 76, 0, false, $this->LE));
}
break;
case "base64":
if ($is_file) {
$b64_os = $encoder->base64EncodeFile($this->getData(), 76, $this->LE);
while (false !== ($bytes = $b64_os->read())) {
$this->cache->write("body", $bytes);
}
} else {
$this->cache->write("body", $encoder->base64Encode($this->getData(), 76, 0, false, $this->LE));
}
break;
case "binary":
if ($is_file) {
$data = $this->getData();
while (false !== ($bytes = $data->read(8192))) {
$this->cache->write("body", $bytes);
}
} else {
$this->cache->write("body", $this->getData());
}
break;
case "7bit":
if ($is_file) {
$os = $encoder->encode7BitFile($this->getData(), $this->wrap, $this->LE);
while (false !== ($bytes = $os->read())) {
$this->cache->write("body", $bytes);
}
} else {
$this->cache->write("body", $encoder->encode7Bit($this->getData(), $this->wrap, $this->LE));
}
break;
case "8bit":
default:
if ($is_file) {
$os = $encoder->encode8BitFile($this->getData(), $this->wrap, $this->LE);
while (false !== ($bytes = $os->read())) {
$this->cache->write("body", $bytes);
}
} else {
$this->cache->write("body", $encoder->encode8Bit($this->getData(), $this->wrap, $this->LE));
}
break;
}
$body =& $this->cache->getOutputStream("body");
$joint_os->addStream($body);
$append =& $this->cache->getOutputStream("append");
$joint_os->addStream($append);
return $joint_os;
}
