mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-11 16:32:59 +00:00
9c2e7458ba
Most usage is a straight replacement but gtk needs extra changes as it transfers plain text in UTF8 natively and needs to be converted into UTF16, and Windows uses single-byte characters for RTF and CF_HTML formats so we preserve this. Differential Revision: https://phabricator.services.mozilla.com/D158587
55 lines
2.3 KiB
C++
55 lines
2.3 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"
|
|
#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___
|