mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-06 00:55:37 +00:00
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
#ifndef nsIFormatConverter_h__
|
|
#define nsIFormatConverter_h__
|
|
|
|
#include "nsISupports.h"
|
|
#include "nsString.h"
|
|
|
|
class nsVoidArray;
|
|
|
|
// {948A0023-E3A7-11d2-96CF-0060B0FB9956}
|
|
#define NS_IFORMATCONVERTER_IID \
|
|
{ 0x948a0023, 0xe3a7, 0x11d2, { 0x96, 0xcf, 0x0, 0x60, 0xb0, 0xfb, 0x99, 0x56 } }
|
|
|
|
class nsIFormatConverter : public nsISupports {
|
|
|
|
public:
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IFORMATCONVERTER_IID)
|
|
|
|
/**
|
|
* Get the list of the "input" data flavors, in otherwords, the flavors
|
|
* that this converter can convert "from" (the incoming data to the converter)
|
|
*
|
|
* @param aDataFlavorList fills list with supported flavors
|
|
*/
|
|
NS_IMETHOD GetInputDataFlavors(nsVoidArray ** aDataFlavorList) = 0;
|
|
|
|
/**
|
|
* Get the list of the "output" data flavors, in otherwords, the flavors
|
|
* that this converter can convert "to" (the outgoing data of the converter)
|
|
*
|
|
* @param aDataFlavorList fills list with supported flavors
|
|
*/
|
|
NS_IMETHOD GetOutputDataFlavors(nsVoidArray ** aDataFlavorList) = 0;
|
|
|
|
/**
|
|
* Determines whether a converion from one flavor to another is supported
|
|
*
|
|
* @param aFromFormatConverter flavor to convert from
|
|
* @param aFromFormatConverter flavor to convert to
|
|
* @returns returns NS_OK if it can be converted
|
|
*/
|
|
NS_IMETHOD CanConvert(nsString * aFromDataFlavor, nsString * aToDataFlavor) = 0;
|
|
|
|
|
|
/**
|
|
* Determines whether a converion from one flavor to another
|
|
*
|
|
* @param aFromFormatConverter flavor to convert from
|
|
* @param aFromFormatConverter flavor to convert to (destination own the memory)
|
|
* @returns returns NS_OK if it was converted
|
|
*/
|
|
NS_IMETHOD Convert(nsString * aFromDataFlavor, void * aFromData, PRUint32 aDataLen,
|
|
nsString * aToDataFlavor, void ** aToData, PRUint32 * aDataToLen) = 0;
|
|
|
|
|
|
|
|
};
|
|
|
|
#endif
|
|
|