pjs/editor/libeditor/text/nsAOLCiter.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
*
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsAOLCiter.h"
#include "nsWrapUtils.h"
#include "nsReadableUtils.h"
#include "nsCRT.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 nsAString& aInString, nsAString& 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 nsAString& aInString, nsAString& aOutString)
{
// Remove the beginning cites, if any:
nsAutoString tOutputString;
nsReadingIterator <PRUnichar> iter,enditer;
aInString.BeginReading(iter);
aInString.EndReading(enditer);
if (Substring(aInString,0,2).Equals(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 nsAString& aInString,
PRUint32 aWrapCol, PRUint32 aFirstLineOffset,
PRBool aRespectNewlines,
nsAString& aOutString)
{
nsString citeString;
return nsWrapUtils::Rewrap(aInString, aWrapCol, aFirstLineOffset,
aRespectNewlines, citeString,
aOutString);
}