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cleanup context handling for wrappers

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Robin Appelman 2019-03-11 16:52:13 +01:00
commit 2c8ae56d02
16 changed files with 182 additions and 258 deletions
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60
src/Wrapper.php
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@ -12,7 +12,7 @@ namespace Icewind\Streams;
*
* This wrapper itself doesn't implement any functionality but is just a base class for other wrappers to extend
*/
abstract class Wrapper implements File, Directory {
abstract class Wrapper extends WrapperHandler implements File, Directory {
/**
* @var resource
*/
@ -26,55 +26,14 @@ abstract class Wrapper implements File, Directory {
protected $source;
/**
* @param $source
* @param $context
* @param null $protocol deprecated, protocol is now automatically generated
* @param null $class deprecated, class is now automatically generated
* @return bool|resource
* @param resource $source
*/
protected static function wrapSource($source, $context, $protocol = null, $class = null) {
if ($class === null) {
$class = static::class;
}
$parts = explode('\\', $class);
$protocol = strtolower(array_pop($parts));
if (!is_resource($source)) {
throw new \BadMethodCallException();
}
try {
stream_wrapper_register($protocol, $class);
if (self::isDirectoryHandle($source)) {
$wrapped = opendir($protocol . '://', $context);
} else {
$wrapped = fopen($protocol . '://', 'r+', false, $context);
}
} catch (\BadMethodCallException $e) {
stream_wrapper_unregister($protocol);
throw $e;
}
stream_wrapper_unregister($protocol);
return $wrapped;
protected function setSourceStream($source) {
$this->source = $source;
}
protected static function isDirectoryHandle($resource) {
$meta = stream_get_meta_data($resource);
return $meta['stream_type'] == 'dir';
}
/**
* Load the source from the stream context and return the context options
*
* @param string $name
* @return array
* @throws \Exception
*/
protected function loadContext($name) {
$context = stream_context_get_options($this->context);
if (isset($context[$name])) {
$context = $context[$name];
} else {
throw new \BadMethodCallException('Invalid context, "' . $name . '" options not set');
}
protected function loadContext($name = null) {
$context = parent::loadContext($name);
if (isset($context['source']) and is_resource($context['source'])) {
$this->setSourceStream($context['source']);
} else {
@ -83,13 +42,6 @@ abstract class Wrapper implements File, Directory {
return $context;
}
/**
* @param resource $source
*/
protected function setSourceStream($source) {
$this->source = $source;
}
public function stream_seek($offset, $whence = SEEK_SET) {
$result = fseek($this->source, $offset, $whence);
return $result == 0 ? true : false;