public function filter($in, $out, &$consumed, $closing)
{
while ($bucket = stream_bucket_make_writeable($in)) {
if (!empty($this->_previous)) {
$bucket->data = $this->_previous . $bucket->data;
$this->_previous = '';
}
if (!feof($this->stream) && preg_match('/(%[12]\\$|%[12]|%)$/', $bucket->data)) {
$this->_previous .= $bucket->data;
return PSFS_FEED_ME;
}
$consumed += $bucket->datalen;
if (preg_match('/%([12])\\$s/', $bucket->data, $matches)) {
if ($matches[1] == '1') {
$bucket->data = preg_replace('/%1\\$s/', $this->_sender, $bucket->data);
} else {
$bucket->data = preg_replace('/%2\\$s/', $this->_recipient, $bucket->data);
}
}
$bucket->datalen = strlen($bucket->data);
stream_bucket_append($out, $bucket);
}
if (!empty($this->_previous)) {
if ($closing) {
$bucket = stream_bucket_new($this->stream, $this->_previous);
$bucket->data = $this->_previous;
$consumed += strlen($this->_previous);
$this->_previous = '';
stream_bucket_append($out, $bucket);
}
}
return PSFS_PASS_ON;
}
public function filter($in, $out, &$consumed, $closing) : int
{
while ($bucket = stream_bucket_make_writeable($in)) {
stream_bucket_append($out, stream_bucket_new($this->stream, str_rot13($bucket->data)));
}
return \PSFS_PASS_ON;
}
function filter($in, $out, &$consumed, $closing)
{
while ($bucket = stream_bucket_make_writeable($in)) {
$this->data .= $bucket->data;
$this->bucket = $bucket;
$consumed = 0;
}
if ($closing) {
$consumed += strlen($this->data);
if (isset($this->bucket)) {
$bucket = $this->bucket;
} else {
$bucket = stream_bucket_new($this->stream, '');
}
$f = self::$registry[get_class($this)];
AbstractStreamProcessor__lazyUriResolver::bind($this->stream, $f->uri);
$bucket->data = $f->process($this->data);
$bucket->datalen = strlen($bucket->data);
stream_bucket_append($out, $bucket);
$this->bucket = null;
$this->data = '';
return PSFS_PASS_ON;
}
return PSFS_FEED_ME;
}
function filter($in, $out, &$consumed, $closing)
{
if (!$closing) {
$bucket = stream_bucket_new($this->stream, "42");
}
return PSFS_ERR_FATAL;
}
/**
* Filter some data.
*
* @param resource $in Read from this input stream
* @param resource $out Write to this output stream
* @param int $consumed Count of bytes processed
* @param bool $closing Is the input about to end?
*
* @return int PSFS_PASS_ON / PSFS_FEED_ME / PSFS_ERR_FATAL
*/
public function filter($in, $out, &$consumed, $closing) : int
{
$return = PSFS_FEED_ME;
// While input data is available, continue to read it.
while ($bucket_in = stream_bucket_make_writeable($in)) {
$this->data .= $bucket_in->data;
$consumed += $bucket_in->datalen;
// While we have complete GEDCOM records, process them.
while (preg_match('/(.*?[\\r\\n]\\s*)(0.*)/s', $this->data, $match) === 1) {
list(, $data, $this->data) = $match;
// Send this record output.
$data = $this->filterData($data);
$bucket_out = stream_bucket_new($this->stream, $data);
$return = PSFS_PASS_ON;
stream_bucket_append($out, $bucket_out);
}
}
// Process the final record.
if ($closing && $this->data !== '') {
$data = $this->filterData($this->data);
$bucket_out = stream_bucket_new($this->stream, $data);
$return = PSFS_PASS_ON;
stream_bucket_append($out, $bucket_out);
}
return $return;
}
function filter($in, $out, &$consumed, $closing)
{
while ($ib = stream_bucket_make_writeable($in)) {
$ob = stream_bucket_new($this->stream, strtoupper($ib->data));
stream_bucket_append($out, $ob);
}
return PSFS_PASS_ON;
}
/**
* @see stream_filter_register()
*/
public function filter($in, $out, &$consumed, $closing)
{
stream_bucket_append($out, stream_bucket_new($this->stream, '"'));
while ($bucket = stream_bucket_make_writeable($in)) {
$consumed += $bucket->datalen;
$bucket->data = addcslashes($bucket->data, '"\\');
stream_bucket_append($out, $bucket);
}
stream_bucket_append($out, stream_bucket_new($this->stream, '"'));
return PSFS_PASS_ON;
}
public function filter($in, $out, &$consumed, $closing)
{
while ($bucket = stream_bucket_make_writeable($in)) {
$this->buffer .= $bucket->data;
$consumed += $bucket->datalen;
}
if ($closing) {
$bucket = stream_bucket_new($this->stream, 'Closed: ' . $this->buffer);
stream_bucket_append($out, $bucket);
}
return PSFS_PASS_ON;
}
public function filter($in, $out, &$consumed, $closing)
{
while ($bucket = stream_bucket_make_writeable($in)) {
$lenbucket = stream_bucket_new($this->stream, dechex($bucket->datalen) . "\r\n");
stream_bucket_append($out, $lenbucket);
$consumed += $bucket->datalen;
stream_bucket_append($out, $bucket);
$lenbucket = stream_bucket_new($this->stream, "\r\n");
stream_bucket_append($out, $lenbucket);
}
return PSFS_PASS_ON;
}
public function filter($in, $out, &$consumed, $closing)
{
// concatenate whole buffer from input brigade
$data = '';
while ($bucket = stream_bucket_make_writeable($in)) {
$consumed += $bucket->datalen;
$data .= $bucket->data;
}
// skip processing callback that already ended
if ($this->closed) {
return PSFS_FEED_ME;
}
// only invoke filter function if buffer is not empty
// this may skip flushing a closing filter
if ($data !== '') {
try {
$data = call_user_func($this->callback, $data);
} catch (Exception $e) {
// exception should mark filter as closed
$this->onClose();
trigger_error('Error invoking filter: ' . $e->getMessage(), E_USER_WARNING);
return PSFS_ERR_FATAL;
}
}
// mark filter as closed after processing closing chunk
if ($closing) {
$this->closed = true;
// callback supports closing and is not already closed
if ($this->supportsClose) {
$this->supportsClose = false;
// invoke without argument to signal end and append resulting buffer
try {
$data .= call_user_func($this->callback);
} catch (Exception $e) {
trigger_error('Error ending filter: ' . $e->getMessage(), E_USER_WARNING);
return PSFS_ERR_FATAL;
}
}
}
if ($data !== '') {
// create a new bucket for writing the resulting buffer to the output brigade
// reusing an existing bucket turned out to be bugged in some environments (ancient PHP versions and HHVM)
$bucket = @stream_bucket_new($this->stream, $data);
// legacy PHP versions (PHP < 5.4) do not support passing data from the event signal handler
// because closing the stream invalidates the stream and its stream bucket brigade before
// invoking the filter close handler.
if ($bucket !== false) {
stream_bucket_append($out, $bucket);
}
}
return PSFS_PASS_ON;
}
/**
* Filter implementation converts encoding before returning PSFS_PASS_ON.
*
* @param resource $in
* @param resource $out
* @param int $consumed
* @param bool $closing
* @return int
*/
public function filter($in, $out, &$consumed, $closing)
{
while ($bucket = stream_bucket_make_writeable($in)) {
$converted = $this->converter->convert($bucket->data);
$consumed += strlen($bucket->data);
// $this->stream is undocumented. It was found looking at HHVM's source code
// for its convert.iconv.* implementation in ConvertIconFilter and explained
// somewhat in this StackOverflow page: http://stackoverflow.com/a/31132646/335059
// declaring a member variable called 'stream' breaks the PHP implementation (5.5.9
// at least).
stream_bucket_append($out, stream_bucket_new($this->stream, $converted));
}
return PSFS_PASS_ON;
}
public function filter($in, $out, &$consumed, $closing)
{
static $closed = 0;
while ($bucket = stream_bucket_make_writeable($in)) {
stream_bucket_append($out, stream_bucket_new($this->stream, $bucket->data));
}
if ($closing) {
$closed++;
}
if ($closed > 0) {
var_dump($closed++);
}
return PSFS_PASS_ON;
}
/**
* {@inheritdoc}
*/
public function filter($in, $out, &$consumed, $closing)
{
while ($streamBucket = stream_bucket_make_writeable($in)) {
$this->sourceCode .= $streamBucket->data;
}
if ($closing || feof($this->stream)) {
$consumed = strlen($this->sourceCode);
$processedCode = Engine::parse($this->sourceCode);
$streamBucket = stream_bucket_new($this->stream, $processedCode);
stream_bucket_append($out, $streamBucket);
return PSFS_PASS_ON;
}
return PSFS_FEED_ME;
}
/**
* @param resource $in
* @param resource $out
* @param int $consumed
* @param bool $closing
*
* @return int
*/
public function filter($in, $out, &$consumed, $closing)
{
if ($closing) {
/** @var resource|\stdClass $bucket */
$bucket = stream_bucket_new($this->stream, $this->transform($this->data));
$this->data = '';
$consumed += $bucket->datalen;
stream_bucket_append($out, $bucket);
return PSFS_PASS_ON;
} else {
while ($bucket = stream_bucket_make_writeable($in)) {
$this->data .= $bucket->data;
}
return PSFS_FEED_ME;
}
}
function filter($in, $out, &$consumed, $closing)
{
$output = 0;
while ($bucket = stream_bucket_make_writeable($in)) {
$bucket->data = strtoupper($bucket->data);
$consumed += $bucket->datalen;
stream_bucket_append($out, $bucket);
$output = 1;
}
if ($closing) {
$bucket = stream_bucket_new($this->stream, "\n===close===\n");
stream_bucket_append($out, $bucket);
$output = 1;
}
return $output ? PSFS_PASS_ON : PSFS_FEED_ME;
}
/**
* @see stream_filter_register()
*/
public function filter($in, $out, &$consumed, $closing)
{
if (!$this->_prepend) {
stream_bucket_append($out, stream_bucket_new($this->stream, '"'));
$this->_prepend = true;
}
while ($bucket = stream_bucket_make_writeable($in)) {
$consumed += $bucket->datalen;
$bucket->data = addcslashes($bucket->data, '"\\');
stream_bucket_append($out, $bucket);
}
/* feof() call needed due to:
* http://news.php.net/php.internals/80363 */
if ($closing || feof($this->stream)) {
stream_bucket_append($out, stream_bucket_new($this->stream, '"'));
}
return PSFS_PASS_ON;
}
public function filter($in, $out, &$consumed, $closing)
{
$type = $this->type;
$ret = PSFS_FEED_ME;
while ($bucket = stream_bucket_make_writeable($in)) {
$consumed += $bucket->datalen;
$this->buffer .= $bucket->data;
}
if ($type == 'enrypt') {
$blockSize = $this->crypter->getEncryptBlockSize();
} else {
$blockSize = $this->crypter->getDecryptBlockSize();
}
if ($blockSize < 1) {
// stream cipher or special cases, encrypt every bucket
$blockSize = 1;
}
$len = strlen($this->buffer);
// process filled blocks
if ($blockSize > 0 and $len >= $blockSize) {
$mod = $len % $blockSize;
$data = $this->crypter->{$type}(substr($this->buffer, 0, $len - $mod));
$this->buffer = substr($this->buffer, $len - $mod);
$bucket = stream_bucket_new($this->temp, $data);
if ($bucket === false) {
return PSFS_ERR_FATAL;
}
stream_bucket_append($out, $bucket);
$ret = PSFS_PASS_ON;
}
// process rest data if we are closing
if ($closing and strlen($this->buffer) > 0) {
$bucket = stream_bucket_new($this->temp, $this->crypter->{$type}($this->buffer));
if ($bucket === false) {
return PSFS_ERR_FATAL;
}
$this->buffer = '';
stream_bucket_append($out, $bucket);
$ret = PSFS_PASS_ON;
}
return $ret;
}
/**
* Filter the input data through the transform.
*
* @param resource $input The input bucket brigade.
* @param resource $output The output bucket brigade.
* @param integer &$consumed The number of bytes consumed.
* @param boolean $isEnd True if the stream is closing.
*
* @return integer The result code.
*/
public function filter($input, $output, &$consumed, $isEnd)
{
$bucket = stream_bucket_make_writeable($input);
if ($isEnd && !$bucket) {
$bucket = stream_bucket_new(STDIN, '');
}
$hasOutput = false;
while ($bucket) {
$this->buffer .= $bucket->data;
$bufferSize = strlen($this->buffer);
if (!$isEnd && $bufferSize < $this->bufferSize) {
$bucket = stream_bucket_make_writeable($input);
continue;
}
list($outputBuffer, $thisConsumed, $error) = $this->transform->transform($this->buffer, $this->context, $isEnd);
$consumed += $thisConsumed;
if ($bufferSize === $thisConsumed) {
$this->buffer = '';
} else {
$this->buffer = substr($this->buffer, $thisConsumed);
}
if ('' !== $outputBuffer) {
$bucket->data = $outputBuffer;
stream_bucket_append($output, $bucket);
$hasOutput = true;
}
if (null !== $error) {
return PSFS_ERR_FATAL;
}
$bucket = stream_bucket_make_writeable($input);
}
if ($hasOutput || $isEnd) {
return PSFS_PASS_ON;
}
return PSFS_FEED_ME;
}
/**
* Create a new bucket for use on the current stream
*
* @param resource $stream
* @param string $buffer
*
* @return object
*/
public function bucketNew($stream, string $buffer)
{
return stream_bucket_new($stream, $buffer);
}
/**
* {@inheritdoc}
*/
public function filter($in, $out, &$consumed, $closing)
{
while ($bucket = stream_bucket_make_writeable($in)) {
$this->data .= $bucket->data;
}
if ($closing || feof($this->stream)) {
$consumed = strlen($this->data);
// $this->stream contains pointer to the source
$metadata = new StreamMetaData($this->stream, $this->data);
$this->transformCode($metadata);
$bucket = stream_bucket_new($this->stream, $metadata->source);
stream_bucket_append($out, $bucket);
return PSFS_PASS_ON;
}
return PSFS_FEED_ME;
}
public function filter($in, $out, &$consumed, $closing)
{
$bucket = stream_bucket_new(fopen('php://temp', 'w+'), '');
stream_bucket_append($out, $bucket);
return PSFS_PASS_ON;
}
function filter($in, $out, &$consumed, $closing)
{
$bucket = stream_bucket_new(fopen('php://memory', 'wb'), self::$buf);
stream_bucket_append($out, $bucket);
return PSFS_PASS_ON;
}
/**
* Set a brigade.
* If a stream is given (with the constant self::IS_A_STREAM), it will
* create a brigade automatically.
*
* @param resource &$brigade A stream or a brigade.
* @param bool $is Specify if $brigade is a stream or a
* brigade, given by self::IS_A_* constant.
* @param string $buffer Stream buffer.
* @return void
*/
public function __construct(&$brigade, $is = self::IS_A_BRIGADE, $buffer = '')
{
$this->setType($is);
if (self::IS_A_BRIGADE === $this->getType()) {
$this->setBrigade($brigade);
} else {
$this->setBucket(stream_bucket_new($brigade, $buffer));
$bucket = $this->getBucket();
$this->setBrigade($bucket);
}
return;
}
/**
* Alias for @stream_bucket_create
* @param resource $stream
* @param string $buffer
*/
public static function create($stream, $buffer)
{
return stream_bucket_new($stream, $buffer);
}
