mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 14:45:29 +00:00
66 lines
2.9 KiB
C++
66 lines
2.9 KiB
C++
/* -*- 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 ) ;
|
|
|
|
// 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 ) ;
|
|
|
|
// Given a unicode buffer (flavor text/unicode), this converts it to plain text using
|
|
// the appropriate platform charset encoding. |inUnicodeLen| is the length of the input
|
|
// string, not the # of bytes in the buffer. |outPlainTextData| is null terminated,
|
|
// but its length parameter, |outPlainTextLen|, does not reflect that.
|
|
static nsresult ConvertUnicodeToPlatformPlainText ( char16_t* inUnicode, int32_t inUnicodeLen,
|
|
char** outPlainTextData, int32_t* outPlainTextLen ) ;
|
|
|
|
// Given a char buffer (flavor text/plaikn), this converts it to unicode using
|
|
// the appropriate platform charset encoding. |outUnicode| is null terminated,
|
|
// but its length parameter, |outUnicodeLen|, does not reflect that. |outUnicodeLen| is
|
|
// the length of the string in characters, not bytes.
|
|
static nsresult ConvertPlatformPlainTextToUnicode ( const char* inText, int32_t inTextLen,
|
|
char16_t** outUnicode, int32_t* outUnicodeLen ) ;
|
|
|
|
}; // 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___
|