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76 lines
2.9 KiB
Plaintext
76 lines
2.9 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsIInputStream.idl"
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interface nsIBuffer;
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%{C++
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/**
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* The signature of the writer function passed to ReadSegments. This
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* specifies where the data should go that gets read from the buffer.
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* Implementers should return the following:
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* @return NS_OK and writeCount - if successfully wrote something
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* @return NS_BASE_STREAM_CLOSED - if no more can be written
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* @return NS_BASE_STREAM_WOULD_BLOCK - if there is currently space to write (in
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* a non-blocking mode)
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* @return <other-error> - on failure
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*/
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typedef NS_CALLBACK(nsWriteSegmentFun)(void* closure,
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const char* fromRawSegment,
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PRUint32 toOffset,
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PRUint32 count,
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PRUint32 *writeCount);
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%}
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native nsWriteSegmentFun(nsWriteSegmentFun);
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[scriptable, uuid(93e9a230-1955-11d3-933b-000064657374)]
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interface nsIBufferInputStream : nsIInputStream
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{
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/**
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* Returns the buffer underlying this input stream.
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*/
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readonly attribute nsIBuffer Buffer;
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[noscript] unsigned long ReadSegments(in nsWriteSegmentFun writer,
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in voidStar closure,
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in unsigned long count);
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/**
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* Searches for a string in the input stream. Since the stream has a notion
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* of EOF, it is possible that the string may at some time be in the
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* buffer, but is is not currently found up to some offset. Consequently,
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* both the found and not found cases return an offset:
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* if found, return offset where it was found
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* if not found, return offset of the first byte not searched
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* In the case the stream is at EOF and the string is not found, the first
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* byte not searched will correspond to the length of the buffer.
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*/
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void Search(in string forString,
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in boolean ignoreCase,
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out boolean found,
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out unsigned long offsetSearchedTo);
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/**
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* Set this attribute to put the stream in non-blocking mode.
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*/
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attribute boolean NonBlocking;
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};
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