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lightning-sunbird  0.9+nobinonly
nsAOLCiter.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Pierre Phaneuf <pp@ludusdesign.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "nsAOLCiter.h"
00040 
00041 #include "nsWrapUtils.h"
00042 #include "nsReadableUtils.h"
00043 #include "nsCRT.h"
00044 
00048 nsAOLCiter::nsAOLCiter()
00049 {
00050 }
00051 
00052 nsAOLCiter::~nsAOLCiter()
00053 {
00054 }
00055 
00056 NS_IMPL_ISUPPORTS1(nsAOLCiter, nsICiter)
00057 
00058 NS_IMETHODIMP
00059 nsAOLCiter::GetCiteString(const nsAString& aInString, nsAString& aOutString)
00060 {
00061   aOutString.AssignLiteral("\n\n>> ");
00062   aOutString += aInString;
00063 
00064   // See if the last char is a newline, and replace it if so
00065   PRUnichar newline ('\n');
00066   if (aOutString.Last() == newline)
00067   {
00068     aOutString.SetLength(aOutString.Length() - 1);
00069   }
00070 
00071   aOutString.AppendLiteral(" <<\n");
00072 
00073   return NS_OK;
00074 }
00075 
00076 NS_IMETHODIMP
00077 nsAOLCiter::StripCites(const nsAString& aInString, nsAString& aOutString)
00078 {
00079   // Remove the beginning cites, if any:
00080   nsAutoString tOutputString;
00081   nsReadingIterator <PRUnichar> iter, enditer;
00082   aInString.BeginReading(iter);
00083   aInString.EndReading(enditer);
00084   if (StringBeginsWith(aInString, NS_LITERAL_STRING(">>")))
00085   {
00086     iter.advance(2);
00087     while (nsCRT::IsAsciiSpace(*iter))
00088       ++iter;
00089     AppendUnicodeTo(iter, enditer, tOutputString);
00090   }
00091   else
00092     CopyUnicodeTo(iter, enditer, tOutputString);
00093 
00094   // Remove the end cites, if any:
00095   tOutputString.Trim("<", PR_FALSE, PR_TRUE, PR_FALSE);
00096   aOutString.Assign(tOutputString);
00097   return NS_OK;
00098 }
00099 
00100 NS_IMETHODIMP
00101 nsAOLCiter::Rewrap(const nsAString& aInString,
00102                    PRUint32 aWrapCol, PRUint32 aFirstLineOffset,
00103                    PRBool aRespectNewlines,
00104                    nsAString& aOutString)
00105 {
00106   nsString citeString;
00107   return nsWrapUtils::Rewrap(aInString, aWrapCol, aFirstLineOffset,
00108                              aRespectNewlines, citeString,
00109                              aOutString);
00110 }
00111