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@ -44,6 +44,11 @@ class CallbackWrapper extends Wrapper {
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*/
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protected $readDirCallBack;
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/**
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* @var callable
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*/
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protected $preCloseCallback;
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/**
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* Wraps a stream with the provided callbacks
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*
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@ -56,14 +61,15 @@ class CallbackWrapper extends Wrapper {
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*
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* @throws \BadMethodCallException
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*/
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public static function wrap($source, $read = null, $write = null, $close = null, $readDir = null) {
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public static function wrap($source, $read = null, $write = null, $close = null, $readDir = null, $preClose = null) {
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$context = stream_context_create(array(
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'callback' => array(
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'source' => $source,
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'read' => $read,
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'write' => $write,
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'close' => $close,
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'readDir' => $readDir
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'readDir' => $readDir,
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'preClose' => $preClose,
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)
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));
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return Wrapper::wrapSource($source, $context, 'callback', '\Icewind\Streams\CallbackWrapper');
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@ -76,6 +82,7 @@ class CallbackWrapper extends Wrapper {
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$this->writeCallback = $context['write'];
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$this->closeCallback = $context['close'];
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$this->readDirCallBack = $context['readDir'];
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$this->preCloseCallback = $context['preClose'];
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return true;
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}
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@ -90,7 +97,7 @@ class CallbackWrapper extends Wrapper {
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public function stream_read($count) {
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$result = parent::stream_read($count);
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if (is_callable($this->readCallback)) {
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call_user_func($this->readCallback, $count);
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call_user_func($this->readCallback, strlen($result));
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}
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return $result;
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}
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@ -104,6 +111,11 @@ class CallbackWrapper extends Wrapper {
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}
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public function stream_close() {
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if (is_callable($this->preCloseCallback)) {
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call_user_func($this->preCloseCallback, $this->loadContext('callback')['source']);
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// prevent further calls by potential PHP 7 GC ghosts
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$this->preCloseCallback = null;
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}
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$result = parent::stream_close();
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if (is_callable($this->closeCallback)) {
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call_user_func($this->closeCallback);
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