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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /xpcom/io/nsIBinaryOutputStream.idl
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xpcom/io/nsIBinaryOutputStream.idl')
-rw-r--r--xpcom/io/nsIBinaryOutputStream.idl103
1 files changed, 103 insertions, 0 deletions
diff --git a/xpcom/io/nsIBinaryOutputStream.idl b/xpcom/io/nsIBinaryOutputStream.idl
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+/* -*- 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 "nsIOutputStream.idl"
+
+%{C++
+namespace mozilla {
+template<class ElementType, size_t Extent> class Span;
+}
+%}
+native Bytes(mozilla::Span<const uint8_t>);
+
+/**
+ * This interface allows writing of primitive data types (integers,
+ * floating-point values, booleans, etc.) to a stream in a binary, untagged,
+ * fixed-endianness format. This might be used, for example, to implement
+ * network protocols or to produce architecture-neutral binary disk files,
+ * i.e. ones that can be read and written by both big-endian and little-endian
+ * platforms. Output is written in big-endian order (high-order byte first),
+ * as this is traditional network order.
+ *
+ * @See nsIBinaryInputStream
+ */
+
+[scriptable, builtinclass, uuid(204ee610-8765-11d3-90cf-0040056a906e)]
+interface nsIBinaryOutputStream : nsIOutputStream {
+ void setOutputStream(in nsIOutputStream aOutputStream);
+
+ /**
+ * Write a boolean as an 8-bit char to the stream.
+ */
+ void writeBoolean(in boolean aBoolean);
+
+ void write8(in uint8_t aByte);
+ void write16(in uint16_t a16);
+ void write32(in uint32_t a32);
+ void write64(in uint64_t a64);
+
+ void writeFloat(in float aFloat);
+ void writeDouble(in double aDouble);
+
+ /**
+ * Write an 8-bit pascal style string to the stream.
+ * 32-bit length field, followed by length 8-bit chars.
+ */
+ void writeStringZ(in string aString);
+
+ /**
+ * Write a 16-bit pascal style string to the stream.
+ * 32-bit length field, followed by length PRUnichars.
+ */
+ void writeWStringZ(in wstring aString);
+
+ /**
+ * Write an 8-bit pascal style string (UTF8-encoded) to the stream.
+ * 32-bit length field, followed by length 8-bit chars.
+ */
+ void writeUtf8Z(in wstring aString);
+
+ /**
+ * Write an opaque byte array to the stream.
+ */
+ [binaryname(WriteBytesFromJS)]
+ void writeBytes([size_is(aLength)] in string aString,
+ [optional] in uint32_t aLength);
+
+ /**
+ * Non-scriptable and saner-signature version of the same.
+ */
+ [noscript, nostdcall, binaryname(WriteBytes)]
+ void writeBytesNative(in Bytes aBytes);
+
+ /**
+ * Write an opaque byte array to the stream.
+ */
+ void writeByteArray(in Array<uint8_t> aBytes);
+};
+
+%{C++
+
+inline nsresult
+NS_WriteOptionalStringZ(nsIBinaryOutputStream* aStream, const char* aString)
+{
+ bool nonnull = (aString != nullptr);
+ nsresult rv = aStream->WriteBoolean(nonnull);
+ if (NS_SUCCEEDED(rv) && nonnull)
+ rv = aStream->WriteStringZ(aString);
+ return rv;
+}
+
+inline nsresult
+NS_WriteOptionalWStringZ(nsIBinaryOutputStream* aStream, const char16_t* aString)
+{
+ bool nonnull = (aString != nullptr);
+ nsresult rv = aStream->WriteBoolean(nonnull);
+ if (NS_SUCCEEDED(rv) && nonnull)
+ rv = aStream->WriteWStringZ(aString);
+ return rv;
+}
+
+%}