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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsPrimitiveHelpers_h___
#define nsPrimitiveHelpers_h___
#include "nsError.h"
#include "nscore.h"
class nsISupports;
class nsPrimitiveHelpers
{
public:
// Given some data and the flavor it corresponds to, creates the appropriate
// nsISupports* wrapper for passing across IDL boundaries. The length parameter
// should not include the null if the data is null terminated.
static void CreatePrimitiveForData ( const char* aFlavor, const void* aDataBuff,
uint32_t aDataLen, nsISupports** aPrimitive ) ;
// A specific case of CreatePrimitive for windows CF_HTML handling in DataTransfer
static void CreatePrimitiveForCFHTML ( const void* aDataBuff,
uint32_t* aDataLen, nsISupports** aPrimitive ) ;
// Given a nsISupports* primitive and the flavor it represents, creates a new data
// buffer with the data in it. This data will be null terminated, but the length
// parameter does not reflect that.
static void CreateDataFromPrimitive ( const char* aFlavor, nsISupports* aPrimitive,
void** aDataBuff, uint32_t aDataLen ) ;
}; // class nsPrimitiveHelpers
class nsLinebreakHelpers
{
public:
// Given some data, convert from the platform linebreaks into the LF expected by the
// DOM. This will attempt to convert the data in place, but the buffer may still need to
// be reallocated regardless (disposing the old buffer is taken care of internally, see
// the note below).
//
// NOTE: this assumes that it can use 'free' to dispose of the old buffer.
static nsresult ConvertPlatformToDOMLinebreaks ( const char* inFlavor, void** ioData, int32_t* ioLengthInBytes ) ;
}; // class nsLinebreakHelpers
#endif // nsPrimitiveHelpers_h___
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