From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- widget/nsPrimitiveHelpers.h | 54 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 widget/nsPrimitiveHelpers.h (limited to 'widget/nsPrimitiveHelpers.h') diff --git a/widget/nsPrimitiveHelpers.h b/widget/nsPrimitiveHelpers.h new file mode 100644 index 0000000000..33e2163b08 --- /dev/null +++ b/widget/nsPrimitiveHelpers.h @@ -0,0 +1,54 @@ +/* -*- 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(const nsACString& inFlavor, + void** ioData, + int32_t* ioLengthInBytes); + +}; // class nsLinebreakHelpers + +#endif // nsPrimitiveHelpers_h___ -- cgit v1.2.3