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