75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
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/*
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Copyright (C) 2021 Srivats P.
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This file is part of "Ostinato"
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This is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef _IPV4_ADDRESS_VALIDATOR_H
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#define _IPV4_ADDRESS_VALIDATOR_H
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#include <QHostAddress>
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#include <QValidator>
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class IPv4AddressValidator : public QValidator
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{
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public:
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IPv4AddressValidator(QObject *parent = 0)
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: QValidator(parent)
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{
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_ip4ValidChars.setPattern("[0-9]{1,3}(.[0-9]{1,3}){0,4}");
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}
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~IPv4AddressValidator() {}
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virtual QValidator::State validate(QString &input, int& /*pos*/) const
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{
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QValidator::State state;
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QHostAddress addr(input);
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qDebug("%s: %s", __FUNCTION__, qPrintable(input));
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if (addr.protocol() == QAbstractSocket::IPv4Protocol)
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state = Acceptable;
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else
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if (_ip4ValidChars.exactMatch(input))
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state = Intermediate;
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else
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state = Invalid;
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qDebug("%s(%d): %s, ", __FUNCTION__, state, qPrintable(input));
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return state;
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}
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virtual void fixup(QString &input) const
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{
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input.append(".0.0.0.0");
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QHostAddress addr(input);
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int len = input.size();
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qDebug("%s: %s", __FUNCTION__, qPrintable(input));
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while (addr.protocol() != QAbstractSocket::IPv4Protocol)
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{
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len--;
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Q_ASSERT(len >= 0);
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addr.setAddress(input.left(len));
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}
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input = addr.toString();
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}
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private:
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QRegExp _ip4ValidChars;
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};
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#endif
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