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/StreamBufferSource.h | 61 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 xpcom/io/StreamBufferSource.h (limited to 'xpcom/io/StreamBufferSource.h') diff --git a/xpcom/io/StreamBufferSource.h b/xpcom/io/StreamBufferSource.h new file mode 100644 index 0000000000..f0a3d30eea --- /dev/null +++ b/xpcom/io/StreamBufferSource.h @@ -0,0 +1,61 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +#ifndef mozilla_StreamBufferSource_h +#define mozilla_StreamBufferSource_h + +#include +#include "ErrorList.h" +#include "mozilla/MemoryReporting.h" +#include "mozilla/Span.h" +#include "nsISupportsImpl.h" +#include "nsString.h" + +namespace mozilla { + +class StreamBufferSource { + public: + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(StreamBufferSource) + + virtual Span Data() = 0; + + virtual nsresult GetData(nsACString& aString) { + Span data = Data(); + if (!aString.Assign(data.Elements(), data.Length(), fallible)) { + return NS_ERROR_OUT_OF_MEMORY; + } + return NS_OK; + } + + virtual bool Owning() = 0; + + virtual size_t SizeOfExcludingThisIfUnshared(MallocSizeOf aMallocSizeOf) { + return SizeOfExcludingThisEvenIfShared(aMallocSizeOf); + } + size_t SizeOfIncludingThisIfUnshared(MallocSizeOf aMallocSizeOf) { + if (mRefCnt > 1) { + return 0; + } + size_t n = aMallocSizeOf(this); + n += SizeOfExcludingThisIfUnshared(aMallocSizeOf); + return n; + } + + virtual size_t SizeOfExcludingThisEvenIfShared( + MallocSizeOf aMallocSizeOf) = 0; + size_t SizeOfIncludingThisEvenIfShared(MallocSizeOf aMallocSizeOf) { + size_t n = aMallocSizeOf(this); + n += SizeOfExcludingThisEvenIfShared(aMallocSizeOf); + return n; + } + + protected: + virtual ~StreamBufferSource() = default; +}; + +} // namespace mozilla + +#endif // mozilla_StreamBufferSource_h -- cgit v1.2.3