зеркало из https://github.com/mozilla/pjs.git
100 строки
2.8 KiB
Plaintext
100 строки
2.8 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is Mozilla Communicator client code, released
|
|
* March 31, 1998.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998-1999 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
*/
|
|
|
|
#include "nsIInputStream.idl"
|
|
#include "nsrootidl.idl"
|
|
|
|
/**
|
|
* This interface allows consumption of primitive data types from a "binary
|
|
* stream" containing untagged, big-endian binary data, i.e. as produced by an
|
|
* implementation of nsIBinaryOutputStream. This might be used, for example,
|
|
* to implement network protocols or to read from architecture-neutral disk
|
|
* files, i.e. ones that can be read and written by both big-endian and
|
|
* little-endian platforms.
|
|
*
|
|
* @See nsIBinaryOutputStream
|
|
*/
|
|
|
|
[scriptable, uuid(7b456cb0-8772-11d3-90cf-0040056a906e)]
|
|
interface nsIBinaryInputStream : nsIInputStream {
|
|
void setInputStream(in nsIInputStream aInputStream);
|
|
|
|
PRBool readBoolean();
|
|
|
|
PRUint8 read8();
|
|
PRUint16 read16();
|
|
PRUint32 read32();
|
|
PRUint64 read64();
|
|
|
|
float readFloat();
|
|
double readDouble();
|
|
|
|
/**
|
|
* Read a NUL-terminated 8-bit char* string from a binary stream.
|
|
*/
|
|
ACString readCString();
|
|
|
|
/**
|
|
* Read a NUL-terminated 16-bit PRUnichar* string from a binary stream.
|
|
*/
|
|
AString readString();
|
|
|
|
/**
|
|
* Read an opaque byte array from a binary stream.
|
|
*/
|
|
void readBytes([size_is(aLength)] out string aString, in PRUint32 aLength);
|
|
};
|
|
|
|
%{C++
|
|
|
|
NS_COM nsresult
|
|
NS_NewBinaryInputStream(nsIBinaryInputStream* *aResult, nsIInputStream* aSrcStream);
|
|
|
|
inline nsresult
|
|
NS_ReadOptionalCString(nsIBinaryInputStream* aStream, nsACString& aResult)
|
|
{
|
|
PRBool nonnull;
|
|
nsresult rv = aStream->ReadBoolean(&nonnull);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
if (nonnull)
|
|
rv = aStream->ReadCString(aResult);
|
|
else
|
|
aResult.Truncate();
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
inline nsresult
|
|
NS_ReadOptionalString(nsIBinaryInputStream* aStream, nsAString& aResult)
|
|
{
|
|
PRBool nonnull;
|
|
nsresult rv = aStream->ReadBoolean(&nonnull);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
if (nonnull)
|
|
rv = aStream->ReadString(aResult);
|
|
else
|
|
aResult.Truncate();
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
%}
|