diff core/lib/Drupal/Core/StreamWrapper/PhpStreamWrapperInterface.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/StreamWrapper/PhpStreamWrapperInterface.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,223 @@
+<?php
+
+namespace Drupal\Core\StreamWrapper;
+
+/**
+ * Defines a generic PHP stream wrapper interface.
+ *
+ * @see http://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);
+
+  /**
+   * Closes stream.
+   */
+  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 $option is not
+   *   implemented, FALSE should be returned.
+   *
+   * @see http://php.net/manual/streamwrapper.stream-metadata.php
+   */
+  public function stream_metadata($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);
+
+}