From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 11:22:09 +0200
Subject: Adding upstream version 110.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 xpcom/io/StreamBufferSourceImpl.h | 82 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 xpcom/io/StreamBufferSourceImpl.h

(limited to 'xpcom/io/StreamBufferSourceImpl.h')

diff --git a/xpcom/io/StreamBufferSourceImpl.h b/xpcom/io/StreamBufferSourceImpl.h
new file mode 100644
index 0000000000..0d04adcc24
--- /dev/null
+++ b/xpcom/io/StreamBufferSourceImpl.h
@@ -0,0 +1,82 @@
+/* -*- 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_StreamBufferSourceImpl_h
+#define mozilla_StreamBufferSourceImpl_h
+
+#include "mozilla/StreamBufferSource.h"
+
+#include "nsTArray.h"
+
+namespace mozilla {
+
+class nsTArraySource final : public StreamBufferSource {
+ public:
+  explicit nsTArraySource(nsTArray<uint8_t>&& aArray)
+      : mArray(std::move(aArray)) {}
+
+  Span<const char> Data() override {
+    return Span{reinterpret_cast<const char*>(mArray.Elements()),
+                mArray.Length()};
+  }
+
+  bool Owning() override { return true; }
+
+  size_t SizeOfExcludingThisEvenIfShared(MallocSizeOf aMallocSizeOf) override {
+    return mArray.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  }
+
+ private:
+  const nsTArray<uint8_t> mArray;
+};
+
+class nsCStringSource final : public StreamBufferSource {
+ public:
+  explicit nsCStringSource(nsACString&& aString)
+      : mString(std::move(aString)) {}
+
+  Span<const char> Data() override { return mString; }
+
+  nsresult GetData(nsACString& aString) override {
+    if (!aString.Assign(mString, fallible)) {
+      return NS_ERROR_OUT_OF_MEMORY;
+    }
+    return NS_OK;
+  }
+
+  bool Owning() override { return true; }
+
+  size_t SizeOfExcludingThisIfUnshared(MallocSizeOf aMallocSizeOf) override {
+    return mString.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
+  }
+
+  size_t SizeOfExcludingThisEvenIfShared(MallocSizeOf aMallocSizeOf) override {
+    return mString.SizeOfExcludingThisEvenIfShared(aMallocSizeOf);
+  }
+
+ private:
+  const nsCString mString;
+};
+
+class nsBorrowedSource final : public StreamBufferSource {
+ public:
+  explicit nsBorrowedSource(Span<const char> aBuffer) : mBuffer(aBuffer) {}
+
+  Span<const char> Data() override { return mBuffer; }
+
+  bool Owning() override { return false; }
+
+  size_t SizeOfExcludingThisEvenIfShared(MallocSizeOf aMallocSizeOf) override {
+    return 0;
+  }
+
+ private:
+  const Span<const char> mBuffer;
+};
+
+}  // namespace mozilla
+
+#endif  // mozilla_StreamBufferSourceImpl_h
-- 
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