Vidalia  0.2.21
NicknameValidator.cpp
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1 /*
2 ** This file is part of Vidalia, and is subject to the license terms in the
3 ** LICENSE file, found in the top level directory of this distribution. If you
4 ** did not receive the LICENSE file with this file, you may obtain it from the
5 ** Vidalia source package distributed by the Vidalia Project at
6 ** http://www.torproject.org/projects/vidalia.html. No part of Vidalia,
7 ** including this file, may be copied, modified, propagated, or distributed
8 ** except according to the terms described in the LICENSE file.
9 */
10 
11 /*
12 ** \file NicknameValidator.cpp
13 ** \brief Validates that a server nickname contains only valid characters
14 */
15 
16 #include "NicknameValidator.h"
17 #include "stringutil.h"
18 
19 /** Set of characters that are valid in a server's nickname. */
20 #define VALID_NICKNAME_CHARS \
21  "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
22 
23 
24 /** Constructor. */
26  : QValidator(parent)
27 {
28 }
29 
30 /** Validates the given input contains only valid nickname characters starting
31  * at the specified position. */
32 QValidator::State
33 NicknameValidator::validate(QString &input, int &pos) const
34 {
35  Q_UNUSED(pos);
36 
37  /* Make sure the input only contains valid characters. If any characters
38  * were removed, then we know the input contained invalid characters. */
39  QString validString = ensure_valid_chars(input, VALID_NICKNAME_CHARS);
40  return (validString.length() == input.length() ? QValidator::Acceptable
41  : QValidator::Invalid);
42 }
43