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99 lines
3.1 KiB
Plaintext
99 lines
3.1 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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*/
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#include "nsIOutputStream.idl"
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#include "nsrootidl.idl"
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/**
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* This interface allows writing of primitive data types (integers,
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* floating-point values, booleans, etc.) to a stream in a binary, untagged,
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* fixed-endianness format. This might be used, for example, to implement
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* network protocols or to produce architecture-neutral binary disk files,
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* i.e. ones that can be read and written by both big-endian and little-endian
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* platforms. Output is written in big-endian order (high-order byte first),
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* as this is traditional network order.
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*
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* @See nsIBinaryInputStream
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*/
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[scriptable, uuid(204ee610-8765-11d3-90cf-0040056a906e)]
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interface nsIBinaryOutputStream : nsIOutputStream {
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void setOutputStream(in nsIOutputStream aOutputStream);
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void writeBoolean(in PRBool aBoolean);
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void write8(in PRUint8 aByte);
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void write16(in PRUint16 a16);
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void write32(in PRUint32 a32);
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void write64(in PRUint64 a64);
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void writeFloat(in float aFloat);
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void writeDouble(in double aDouble);
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/**
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* Write a NUL-terminated 8-bit char* string to a binary stream.
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*/
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void writeStringZ(in string aString);
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/**
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* Write a NUL-terminated 16-bit PRUnichar* string to a binary stream.
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*/
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void writeWStringZ(in wstring aString);
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/**
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* Write a NUL-terminated UTF8-encoded string to a binary stream, produced
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* from a NUL-terminated 16-bit PRUnichar* string argument.
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*/
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void writeUtf8Z(in wstring aString);
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/**
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* Write an opaque byte array to a binary stream.
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*/
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void writeBytes([size_is(aLength)] in string aString, in PRUint32 aLength);
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};
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%{C++
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NS_COM nsresult
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NS_NewBinaryOutputStream(nsIBinaryOutputStream* *aResult, nsIOutputStream* aDestStream);
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inline nsresult
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NS_WriteOptionalStringZ(nsIBinaryOutputStream* aStream, const char* aString)
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{
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PRBool nonnull = (aString != nsnull);
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nsresult rv = aStream->WriteBoolean(nonnull);
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if (NS_SUCCEEDED(rv) && nonnull)
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rv = aStream->WriteStringZ(aString);
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return rv;
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}
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inline nsresult
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NS_WriteOptionalWStringZ(nsIBinaryOutputStream* aStream, const PRUnichar* aString)
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{
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PRBool nonnull = (aString != nsnull);
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nsresult rv = aStream->WriteBoolean(nonnull);
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if (NS_SUCCEEDED(rv) && nonnull)
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rv = aStream->WriteWStringZ(aString);
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return rv;
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}
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%}
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