KDb

KDbIdentifierValidator.cpp
1/* This file is part of the KDE project
2 Copyright (C) 2003-2005 Jarosław Staniek <staniek@kde.org>
3 Copyright (C) 2005 Martin Ellis <martin.ellis@kdemail.net>
4
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public License
16 along with this program; see the file COPYING. If not, write to
17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19*/
20
21#include "KDbIdentifierValidator.h"
22#include "KDb.h"
23
24class Q_DECL_HIDDEN KDbIdentifierValidator::Private
25{
26public:
27 Private() : isLowerCaseForced(false) {}
28 bool isLowerCaseForced;
29private:
30 Q_DISABLE_COPY(Private)
31};
32
33KDbIdentifierValidator::KDbIdentifierValidator(QObject * parent)
34 : KDbValidator(parent), d(new Private)
35{
36}
37
38KDbIdentifierValidator::~KDbIdentifierValidator()
39{
40 delete d;
41}
42
43QValidator::State KDbIdentifierValidator::validate(QString& input, int& pos) const
44{
45 int i;
46 for (i = 0; i < input.length() && input.at(i) == QLatin1Char(' '); i++)
47 ;
48 pos -= i; //i chars will be removed from beginning
49 if (i < input.length() && input.at(i) >= QLatin1Char('0') && input.at(i) <= QLatin1Char('9'))
50 pos++; //_ will be added at the beginning
51 bool addspace = (input.right(1) == QLatin1String(" "));
52 input = d->isLowerCaseForced ? KDb::stringToIdentifier(input).toLower() : KDb::stringToIdentifier(input);
53 if (addspace)
54 input += QLatin1Char('_');
55 if (pos > input.length())
56 pos = input.length();
57 return (input.isEmpty() && !acceptsEmptyValue())
59 : Acceptable;
60}
61
62KDbValidator::Result KDbIdentifierValidator::internalCheck(
63 const QString &valueName, const QVariant& value,
64 QString *message, QString *details)
65{
66 Q_UNUSED(details);
67 if (KDb::isIdentifier(value.toString()))
68 return KDbValidator::Ok;
69 if (message) {
70 *message = KDb::identifierExpectedMessage(valueName, value);
71 }
72 return KDbValidator::Error;
73}
74
76{
77 return d->isLowerCaseForced;
78}
79
81{
82 d->isLowerCaseForced = set;
83}
Validates input for identifier.
void setLowerCaseForced(bool set)
If set is true, upper-case letters in the input are replaced to lower-case.
A validator extending QValidator with offline-checking for value's validity.
bool acceptsEmptyValue() const
KDB_EXPORT bool isIdentifier(const QString &s)
KDB_EXPORT QString identifierExpectedMessage(const QString &valueName, const QVariant &v)
KDB_EXPORT QString stringToIdentifier(const QString &s)
const QChar at(qsizetype position) const const
bool isEmpty() const const
qsizetype length() const const
QString right(qsizetype n) const const
QString toLower() const const
QString toString() const const
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