gecko-dev/editor/base/nsAOLCiter.cpp

122 lines
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
*/
#include "nsAOLCiter.h"
#include "nsWrapUtils.h"
#include "nsReadableUtils.h"
/** Mail citations using the AOL style >> This is a citation <<
*/
nsAOLCiter::nsAOLCiter()
{
NS_INIT_REFCNT();
}
nsAOLCiter::~nsAOLCiter()
{
}
NS_IMPL_ADDREF(nsAOLCiter)
NS_IMPL_RELEASE(nsAOLCiter)
NS_IMETHODIMP
nsAOLCiter::QueryInterface(REFNSIID aIID, void** aInstancePtr)
{
if (nsnull == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
if (aIID.Equals(NS_GET_IID(nsISupports)))
{
*aInstancePtr = (void*)this;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsICiter))) {
*aInstancePtr = (void*)(nsICiter*)this;
NS_ADDREF_THIS();
return NS_OK;
}
return NS_NOINTERFACE;
}
NS_IMETHODIMP
nsAOLCiter::GetCiteString(const nsAReadableString& aInString, nsAWritableString& aOutString)
{
aOutString = NS_LITERAL_STRING("\n\n>> ");
aOutString += aInString;
// See if the last char is a newline, and replace it if so
PRUnichar newline ('\n');
if (aOutString.Last() == newline)
{
aOutString.Append(PRUnichar(' '));
aOutString.Append(NS_LITERAL_STRING("<<\n"));
}
else
{
aOutString.Append(NS_LITERAL_STRING(" <<\n"));
}
return NS_OK;
}
NS_IMETHODIMP
nsAOLCiter::StripCites(const nsAReadableString& aInString, nsAWritableString& aOutString)
{
// Remove the beginning cites, if any:
nsAutoString tOutputString;
nsReadingIterator <PRUnichar> iter,enditer;
aInString.BeginReading(iter);
aInString.EndReading(enditer);
if (!Compare(Substring(aInString,0,2),NS_LITERAL_STRING(">>")))
{
iter.advance(2);
while (nsCRT::IsAsciiSpace(*iter))
++iter;
AppendUnicodeTo(iter,enditer,tOutputString);
}
else
CopyUnicodeTo(iter,enditer,tOutputString);
// Remove the end cites, if any:
tOutputString.Trim("<", PR_FALSE, PR_TRUE, PR_FALSE);
aOutString.Assign(tOutputString);
return NS_OK;
}
NS_IMETHODIMP
nsAOLCiter::Rewrap(const nsAReadableString& aInString,
PRUint32 aWrapCol, PRUint32 aFirstLineOffset,
PRBool aRespectNewlines,
nsAWritableString& aOutString)
{
nsString citeString;
return nsWrapUtils::Rewrap(aInString, aWrapCol, aFirstLineOffset,
aRespectNewlines, citeString,
aOutString);
}