gecko/xpcom/io/nsScriptableInputStream.h

105 lines
3.9 KiB
C++

/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef ___nsscriptableinputstream___h_
#define ___nsscriptableinputstream___h_
#include "nsIScriptableInputStream.h"
#include "nsIScriptableStreams.h"
#include "nsIInputStream.h"
#include "nsISeekableStream.h"
#include "nsIMultiplexInputStream.h"
#include "nsIUnicharInputStream.h"
#include "nsCOMPtr.h"
#define NS_SCRIPTABLEINPUTSTREAM_CID \
{ 0x7225c040, 0xa9bf, 0x11d3, { 0xa1, 0x97, 0x0, 0x50, 0x4, 0x1c, 0xaf, 0x44 } }
#define NS_SCRIPTABLEINPUTSTREAM_CONTRACTID "@mozilla.org/scriptableinputstream;1"
#define NS_SCRIPTABLEINPUTSTREAM_CLASSNAME "Scriptable Input Stream"
class nsScriptableInputStream : public nsIScriptableInputStream,
public nsIScriptableIOInputStream,
public nsISeekableStream,
public nsIMultiplexInputStream
{
public:
// nsISupports methods
NS_DECL_ISUPPORTS
// nsIScriptableIOInputStream methods
NS_DECL_NSISCRIPTABLEIOINPUTSTREAM
// nsISeekableStream methods
NS_DECL_NSISEEKABLESTREAM
// nsIMultiplexInputStream methods
NS_DECL_NSIMULTIPLEXINPUTSTREAM
// nsIInputStream and nsIScriptableInputStream methods
NS_IMETHOD Available(PRUint32 *aAvailable);
NS_IMETHOD Close();
NS_IMETHOD IsNonBlocking(PRBool *aIsNonBlocking);
NS_IMETHOD Read(char* aData,
PRUint32 aCount,
PRUint32 *aReadCount);
NS_IMETHOD ReadSegments(nsWriteSegmentFun aFn,
void* aClosure,
PRUint32 aCount,
PRUint32 *aReadCount);
NS_IMETHOD Init(nsIInputStream* aInputStream);
NS_IMETHOD Read(PRUint32 aCount, char** aData);
// nsScriptableInputStream methods
nsScriptableInputStream() :
mUnicharInputStreamHasMore(PR_TRUE) {}
static NS_METHOD
Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
private:
~nsScriptableInputStream() {}
nsresult ReadFully(PRUint32 aCount, char* aBuf);
PRBool mUnicharInputStreamHasMore;
nsCOMPtr<nsIInputStream> mInputStream;
nsCOMPtr<nsIUnicharInputStream> mUnicharInputStream;
};
#endif // ___nsscriptableinputstream___h_