pjs/layout/generic/nsBidiFrames.cpp

119 строки
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* IBM Corporation.
* Portions created by the Initial Developer are Copyright (C) 2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifdef IBMBIDI
#include "nsBidiFrames.h"
#include "nsLayoutAtoms.h"
nsDirectionalFrame::nsDirectionalFrame(PRUnichar aChar)
: mChar(aChar)
{
}
nsDirectionalFrame::~nsDirectionalFrame()
{
}
PRUnichar
nsDirectionalFrame::GetChar(void) const
{
return mChar;
}
/**
* Get the "type" of the frame
*
* @see nsLayoutAtoms::directionalFrame
*/
nsIAtom*
nsDirectionalFrame::GetType() const
{
return nsLayoutAtoms::directionalFrame;
}
const nsIID&
nsDirectionalFrame::GetIID()
{
static nsIID iid = NS_DIRECTIONAL_FRAME_IID;
return iid;
}
NS_IMETHODIMP
nsDirectionalFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
nsresult rv = NS_NOINTERFACE;
if (!aInstancePtr) {
rv = NS_ERROR_NULL_POINTER;
}
else if (aIID.Equals(NS_GET_IID(nsDirectionalFrame) ) ) {
*aInstancePtr = (void*) this;
rv = NS_OK;
}
return rv;
}
void*
nsDirectionalFrame::operator new(size_t aSize) CPP_THROW_NEW
{
void* frame = ::operator new(aSize);
if (frame) {
memset(frame, 0, aSize);
}
return frame;
}
nsresult
NS_NewDirectionalFrame(nsIFrame** aNewFrame, PRUnichar aChar)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsDirectionalFrame* frame = new nsDirectionalFrame(aChar);
*aNewFrame = frame;
if (nsnull == frame) {
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
#endif /* IBMBIDI */