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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | ad18d877ddd2a44d98fa12ccd3dbbcf4d0ac4299 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /xpcom/io/nsIBinaryOutputStream.idl | |
parent | 15477ed9af4859dacb069040b5d4de600803d3bc (diff) | |
download | aura-central-ad18d877ddd2a44d98fa12ccd3dbbcf4d0ac4299.tar.gz |
Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/io/nsIBinaryOutputStream.idl')
-rw-r--r-- | xpcom/io/nsIBinaryOutputStream.idl | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/xpcom/io/nsIBinaryOutputStream.idl b/xpcom/io/nsIBinaryOutputStream.idl new file mode 100644 index 000000000..4d426d580 --- /dev/null +++ b/xpcom/io/nsIBinaryOutputStream.idl @@ -0,0 +1,90 @@ +/* -*- 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" + +/** + * 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, 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. + */ + void writeBytes([size_is(aLength)] in string aString, in uint32_t aLength); + + /** + * Write an opaque byte array to the stream. + */ + void writeByteArray([array, size_is(aLength)] in uint8_t aBytes, + in uint32_t aLength); + +}; + +%{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; +} + +%} |