1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/xpwidgets/nsPrimitiveHelpers.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,65 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + *
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef nsPrimitiveHelpers_h___
1.11 +#define nsPrimitiveHelpers_h___
1.12 +
1.13 +#include "nsError.h"
1.14 +#include "nscore.h"
1.15 +
1.16 +class nsISupports;
1.17 +
1.18 +
1.19 +class nsPrimitiveHelpers
1.20 +{
1.21 +public:
1.22 +
1.23 + // Given some data and the flavor it corresponds to, creates the appropriate
1.24 + // nsISupports* wrapper for passing across IDL boundaries. The length parameter
1.25 + // should not include the null if the data is null terminated.
1.26 + static void CreatePrimitiveForData ( const char* aFlavor, const void* aDataBuff,
1.27 + uint32_t aDataLen, nsISupports** aPrimitive ) ;
1.28 +
1.29 + // Given a nsISupports* primitive and the flavor it represents, creates a new data
1.30 + // buffer with the data in it. This data will be null terminated, but the length
1.31 + // parameter does not reflect that.
1.32 + static void CreateDataFromPrimitive ( const char* aFlavor, nsISupports* aPrimitive,
1.33 + void** aDataBuff, uint32_t aDataLen ) ;
1.34 +
1.35 + // Given a unicode buffer (flavor text/unicode), this converts it to plain text using
1.36 + // the appropriate platform charset encoding. |inUnicodeLen| is the length of the input
1.37 + // string, not the # of bytes in the buffer. |outPlainTextData| is null terminated,
1.38 + // but its length parameter, |outPlainTextLen|, does not reflect that.
1.39 + static nsresult ConvertUnicodeToPlatformPlainText ( char16_t* inUnicode, int32_t inUnicodeLen,
1.40 + char** outPlainTextData, int32_t* outPlainTextLen ) ;
1.41 +
1.42 + // Given a char buffer (flavor text/plaikn), this converts it to unicode using
1.43 + // the appropriate platform charset encoding. |outUnicode| is null terminated,
1.44 + // but its length parameter, |outUnicodeLen|, does not reflect that. |outUnicodeLen| is
1.45 + // the length of the string in characters, not bytes.
1.46 + static nsresult ConvertPlatformPlainTextToUnicode ( const char* inText, int32_t inTextLen,
1.47 + char16_t** outUnicode, int32_t* outUnicodeLen ) ;
1.48 +
1.49 +}; // class nsPrimitiveHelpers
1.50 +
1.51 +
1.52 +
1.53 +class nsLinebreakHelpers
1.54 +{
1.55 +public:
1.56 +
1.57 + // Given some data, convert from the platform linebreaks into the LF expected by the
1.58 + // DOM. This will attempt to convert the data in place, but the buffer may still need to
1.59 + // be reallocated regardless (disposing the old buffer is taken care of internally, see
1.60 + // the note below).
1.61 + //
1.62 + // NOTE: this assumes that it can use nsMemory to dispose of the old buffer.
1.63 + static nsresult ConvertPlatformToDOMLinebreaks ( const char* inFlavor, void** ioData, int32_t* ioLengthInBytes ) ;
1.64 +
1.65 +}; // class nsLinebreakHelpers
1.66 +
1.67 +
1.68 +#endif // nsPrimitiveHelpers_h___
