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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"
#include "nsString.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 nsACString& 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 nsACString& 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(bool aIsSingleByteChars,
void** ioData,
int32_t* ioLengthInBytes);
}; // class nsLinebreakHelpers
#endif // nsPrimitiveHelpers_h___
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