From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- xpcom/io/nsISeekableStream.idl | 65 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 xpcom/io/nsISeekableStream.idl (limited to 'xpcom/io/nsISeekableStream.idl') diff --git a/xpcom/io/nsISeekableStream.idl b/xpcom/io/nsISeekableStream.idl new file mode 100644 index 0000000000..b12a7f9baf --- /dev/null +++ b/xpcom/io/nsISeekableStream.idl @@ -0,0 +1,65 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + + +#include "nsITellableStream.idl" + +/* + * nsISeekableStream + * + * Note that a stream might not implement all methods (e.g., a readonly stream + * won't implement setEOF) + */ + +#include "nsISupports.idl" + +[scriptable, uuid(8429d350-1040-4661-8b71-f2a6ba455980)] +interface nsISeekableStream : nsITellableStream +{ + /* + * Sets the stream pointer to the value of the 'offset' parameter + */ + const int32_t NS_SEEK_SET = 0; + + /* + * Sets the stream pointer to its current location plus the value + * of the offset parameter. + */ + const int32_t NS_SEEK_CUR = 1; + + /* + * Sets the stream pointer to the size of the stream plus the value + * of the offset parameter. + */ + const int32_t NS_SEEK_END = 2; + + /** + * seek + * + * This method moves the stream offset of the steam implementing this + * interface. + * + * @param whence specifies how to interpret the 'offset' parameter in + * setting the stream offset associated with the implementing + * stream. + * + * @param offset specifies a value, in bytes, that is used in conjunction + * with the 'whence' parameter to set the stream offset of the + * implementing stream. A negative value causes seeking in + * the reverse direction. + * + * @throws NS_BASE_STREAM_CLOSED if called on a closed stream. + */ + void seek(in long whence, in long long offset); + + /** + * setEOF + * + * This method truncates the stream at the current offset. + * + * @throws NS_BASE_STREAM_CLOSED if called on a closed stream. + */ + void setEOF(); +}; -- cgit v1.2.3