nicknamevalidator.cpp

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00001 /****************************************************************
00002  *  Vidalia is distributed under the following license:
00003  *
00004  *  Copyright (C) 2006,  Matt Edman, Justin Hipple
00005  *
00006  *  This program is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU General Public License
00008  *  as published by the Free Software Foundation; either version 2
00009  *  of the License, or (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License
00017  *  along with this program; if not, write to the Free Software
00018  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, 
00019  *  Boston, MA  02110-1301, USA.
00020  ****************************************************************/
00021 
00022 /** 
00023  * \file nicknamevalidator.cpp
00024  * \version $Id: nicknamevalidator.cpp 1238 2006-09-25 17:50:57Z edmanm $
00025  * \brief Validates that a server nickname contains only valid characters
00026  */
00027 
00028 #include <util/string.h>
00029 #include "nicknamevalidator.h"
00030 
00031 /** Set of characters that are valid in a server's nickname. */
00032 #define VALID_NICKNAME_CHARS \
00033   "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
00034  
00035 
00036 /** Constructor. */
00037 NicknameValidator::NicknameValidator(QObject *parent)
00038 : QValidator(parent)
00039 {
00040 }
00041 
00042 /** Validates the given input contains only valid nickname characters starting
00043  * at the specified position. */
00044 QValidator::State
00045 NicknameValidator::validate(QString &input, int &pos) const
00046 {
00047   Q_UNUSED(pos);
00048 
00049   /* Make sure the input only contains valid characters. If any characters
00050    * were removed, then we know the input contained invalid characters. */
00051   QString validString = ensure_valid_chars(input, VALID_NICKNAME_CHARS);
00052   return (validString.length() == input.length() ? QValidator::Acceptable
00053                                                  : QValidator::Invalid);
00054 }
00055 

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