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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /xpcom/io/nsBinaryStream.h | |
parent | Initial commit. (diff) | |
download | firefox-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.h | 99 |
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___ |