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<?php | |
/** | |
* @file | |
* Contains \Drupal\Core\StreamWrapper\PhpStreamWrapperInterface. | |
*/ | |
namespace Drupal\Core\StreamWrapper; | |
/** | |
* Defines a generic PHP stream wrapper interface. | |
* | |
* @see http://www.php.net/manual/class.streamwrapper.php | |
*/ | |
interface PhpStreamWrapperInterface { | |
/** | |
* @return bool | |
*/ | |
public function dir_closedir(); | |
/** | |
* @return bool | |
*/ | |
public function dir_opendir($path, $options); | |
/** | |
* @return string | |
*/ | |
public function dir_readdir(); | |
/** | |
* @return bool | |
*/ | |
public function dir_rewinddir(); | |
/** | |
* @return bool | |
*/ | |
public function mkdir($path, $mode, $options); | |
/** | |
* @return bool | |
*/ | |
public function rename($path_from, $path_to); | |
/** | |
* @return bool | |
*/ | |
public function rmdir($path, $options); | |
/** | |
* Retrieve the underlying stream resource. | |
* | |
* This method is called in response to stream_select(). | |
* | |
* @param int $cast_as | |
* Can be STREAM_CAST_FOR_SELECT when stream_select() is calling | |
* stream_cast() or STREAM_CAST_AS_STREAM when stream_cast() is called for | |
* other uses. | |
* | |
* @return resource|false | |
* The underlying stream resource or FALSE if stream_select() is not | |
* supported. | |
* | |
* @see stream_select() | |
* @see http://php.net/manual/streamwrapper.stream-cast.php | |
*/ | |
public function stream_cast($cast_as); | |
/** | |
* @return void | |
*/ | |
public function stream_close(); | |
/** | |
* @return bool | |
*/ | |
public function stream_eof(); | |
/** | |
* @return bool | |
*/ | |
public function stream_flush(); | |
/** | |
* @return bool | |
*/ | |
public function stream_lock($operation); | |
/** | |
* Sets metadata on the stream. | |
* | |
* @param string $path | |
* A string containing the URI to the file to set metadata on. | |
* @param int $option | |
* One of: | |
* - STREAM_META_TOUCH: The method was called in response to touch(). | |
* - STREAM_META_OWNER_NAME: The method was called in response to chown() | |
* with string parameter. | |
* - STREAM_META_OWNER: The method was called in response to chown(). | |
* - STREAM_META_GROUP_NAME: The method was called in response to chgrp(). | |
* - STREAM_META_GROUP: The method was called in response to chgrp(). | |
* - STREAM_META_ACCESS: The method was called in response to chmod(). | |
* @param mixed $value | |
* If option is: | |
* - STREAM_META_TOUCH: Array consisting of two arguments of the touch() | |
* function. | |
* - STREAM_META_OWNER_NAME or STREAM_META_GROUP_NAME: The name of the owner | |
* user/group as string. | |
* - STREAM_META_OWNER or STREAM_META_GROUP: The value of the owner | |
* user/group as integer. | |
* - STREAM_META_ACCESS: The argument of the chmod() as integer. | |
* | |
* @return bool | |
* Returns TRUE on success or FALSE on failure. If $option is not | |
* implemented, FALSE should be returned. | |
* | |
* @see http://www.php.net/manual/streamwrapper.stream-metadata.php | |
*/ | |
public function stream_metadata($path, $option, $value); | |
/** | |
* @return bool | |
*/ | |
public function stream_open($path, $mode, $options, &$opened_path); | |
/** | |
* @return string | |
*/ | |
public function stream_read($count); | |
/** | |
* Seeks to specific location in a stream. | |
* | |
* This method is called in response to fseek(). | |
* | |
* The read/write position of the stream should be updated according to the | |
* offset and whence. | |
* | |
* @param int $offset | |
* The byte offset to seek to. | |
* @param int $whence | |
* Possible values: | |
* - SEEK_SET: Set position equal to offset bytes. | |
* - SEEK_CUR: Set position to current location plus offset. | |
* - SEEK_END: Set position to end-of-file plus offset. | |
* Defaults to SEEK_SET. | |
* | |
* @return bool | |
* TRUE if the position was updated, FALSE otherwise. | |
* | |
* @see http://php.net/manual/streamwrapper.stream-seek.php | |
*/ | |
public function stream_seek($offset, $whence = SEEK_SET); | |
/** | |
* Change stream options. | |
* | |
* This method is called to set options on the stream. | |
* | |
* @param int $option | |
* One of: | |
* - STREAM_OPTION_BLOCKING: The method was called in response to | |
* stream_set_blocking(). | |
* - STREAM_OPTION_READ_TIMEOUT: The method was called in response to | |
* stream_set_timeout(). | |
* - STREAM_OPTION_WRITE_BUFFER: The method was called in response to | |
* stream_set_write_buffer(). | |
* @param int $arg1 | |
* If option is: | |
* - STREAM_OPTION_BLOCKING: The requested blocking mode: | |
* - 1 means blocking. | |
* - 0 means not blocking. | |
* - STREAM_OPTION_READ_TIMEOUT: The timeout in seconds. | |
* - STREAM_OPTION_WRITE_BUFFER: The buffer mode, STREAM_BUFFER_NONE or | |
* STREAM_BUFFER_FULL. | |
* @param int $arg2 | |
* If option is: | |
* - STREAM_OPTION_BLOCKING: This option is not set. | |
* - STREAM_OPTION_READ_TIMEOUT: The timeout in microseconds. | |
* - STREAM_OPTION_WRITE_BUFFER: The requested buffer size. | |
* | |
* @return bool | |
* TRUE on success, FALSE otherwise. If $option is not implemented, FALSE | |
* should be returned. | |
*/ | |
public function stream_set_option($option, $arg1, $arg2); | |
/** | |
* @return array | |
*/ | |
public function stream_stat(); | |
/** | |
* @return int | |
*/ | |
public function stream_tell(); | |
/** | |
* Truncate stream. | |
* | |
* Will respond to truncation; e.g., through ftruncate(). | |
* | |
* @param int $new_size | |
* The new size. | |
* | |
* @return bool | |
* TRUE on success, FALSE otherwise. | |
*/ | |
public function stream_truncate($new_size); | |
/** | |
* @return int | |
*/ | |
public function stream_write($data); | |
/** | |
* @return bool | |
*/ | |
public function unlink($path); | |
/** | |
* @return array | |
*/ | |
public function url_stat($path, $flags); | |
} |