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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /xpcom/io/nsBinaryStream.h
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--xpcom/io/nsBinaryStream.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/xpcom/io/nsBinaryStream.h b/xpcom/io/nsBinaryStream.h
new file mode 100644
index 0000000000..94b92bb746
--- /dev/null
+++ b/xpcom/io/nsBinaryStream.h
@@ -0,0 +1,99 @@
+/* -*- 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 nsBinaryStream_h___
+#define nsBinaryStream_h___
+
+#include "nsCOMPtr.h"
+#include "nsAString.h"
+#include "nsIObjectInputStream.h"
+#include "nsIObjectOutputStream.h"
+#include "nsIStreamBufferAccess.h"
+
+#define NS_BINARYOUTPUTSTREAM_CID \
+ { /* 86c37b9a-74e7-4672-844e-6e7dd83ba484 */ \
+ 0x86c37b9a, 0x74e7, 0x4672, { \
+ 0x84, 0x4e, 0x6e, 0x7d, 0xd8, 0x3b, 0xa4, 0x84 \
+ } \
+ }
+
+#define NS_BINARYOUTPUTSTREAM_CONTRACTID "@mozilla.org/binaryoutputstream;1"
+
+// Derive from nsIObjectOutputStream so this class can be used as a superclass
+// by nsObjectOutputStream.
+class nsBinaryOutputStream final : public nsIObjectOutputStream {
+ public:
+ nsBinaryOutputStream() = default;
+
+ protected:
+ friend already_AddRefed<nsIObjectOutputStream> NS_NewObjectOutputStream(
+ nsIOutputStream*);
+
+ // nsISupports methods
+ NS_DECL_ISUPPORTS
+
+ // nsIOutputStream methods
+ NS_DECL_NSIOUTPUTSTREAM
+
+ // nsIBinaryOutputStream methods
+ NS_DECL_NSIBINARYOUTPUTSTREAM
+
+ // nsIObjectOutputStream methods
+ NS_DECL_NSIOBJECTOUTPUTSTREAM
+
+ // Call Write(), ensuring that all proffered data is written
+ nsresult WriteFully(const char* aBuf, uint32_t aCount);
+
+ nsCOMPtr<nsIOutputStream> mOutputStream;
+ nsCOMPtr<nsIStreamBufferAccess> mBufferAccess;
+
+ private:
+ // virtual dtor since subclasses call our Release()
+ virtual ~nsBinaryOutputStream() = default;
+};
+
+#define NS_BINARYINPUTSTREAM_CID \
+ { /* c521a612-2aad-46db-b6ab-3b821fb150b1 */ \
+ 0xc521a612, 0x2aad, 0x46db, { \
+ 0xb6, 0xab, 0x3b, 0x82, 0x1f, 0xb1, 0x50, 0xb1 \
+ } \
+ }
+
+#define NS_BINARYINPUTSTREAM_CONTRACTID "@mozilla.org/binaryinputstream;1"
+
+class nsBinaryInputStream final : public nsIObjectInputStream {
+ public:
+ nsBinaryInputStream() = default;
+
+ protected:
+ friend already_AddRefed<nsIObjectInputStream> NS_NewObjectInputStream(
+ nsIInputStream*);
+
+ // nsISupports methods
+ NS_DECL_ISUPPORTS
+
+ // nsIInputStream methods
+ NS_DECL_NSIINPUTSTREAM
+
+ // nsIBinaryInputStream methods
+ NS_DECL_NSIBINARYINPUTSTREAM
+
+ // nsIObjectInputStream methods
+ NS_DECL_NSIOBJECTINPUTSTREAM
+
+ nsCOMPtr<nsIInputStream> mInputStream;
+ nsCOMPtr<nsIStreamBufferAccess> mBufferAccess;
+
+ private:
+ // Shared infrastructure for ReadBytes and ReadByteArray. Callers
+ // are expected to provide a buffer that can contain aLength bytes.
+ nsresult ReadBytesToBuffer(uint32_t aLength, uint8_t* aBuffer);
+
+ // virtual dtor since subclasses call our Release()
+ virtual ~nsBinaryInputStream() = default;
+};
+
+#endif // nsBinaryStream_h___