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#include "ipvalidator.h"
#include <QDebug>
QString IpValidator::reStr = "^%1(\\d%2)%1\\.%1(\\d%2)%1\\.%1(\\d%2)%1\\.%1(\\d%2)%1$";
IpValidator::IpValidator(QObject* parent) :
QValidator(parent)
{
}
IpValidator::~IpValidator()
{
}
QValidator::State IpValidator::validate(QString& input, int&) const
{
QString regexp = getPattern(acceptWhiteSpaces, false, whitespaceCharacter);
QRegularExpression re(regexp);
QRegularExpressionMatch match = re.match(input);
if (!match.hasMatch())
return Invalid;
QString part;
int value;
bool ok;
for (int i = 1; i <= 4; i++)
{
part = match.captured(i);
if (part.isEmpty())
{
if (acceptEmptyParts)
continue;
else
return Invalid;
}
value = part.toInt(&ok);
if (!ok)
return Invalid;
if (value > 255 || value < 0)
return Invalid;
}
return Acceptable;
}
bool IpValidator::getAcceptWhiteSpaces() const
{
return acceptWhiteSpaces;
}
void IpValidator::setAcceptWhiteSpaces(bool value)
{
acceptWhiteSpaces = value;
}
bool IpValidator::getAcceptEmptyParts() const
{
return acceptEmptyParts;
}
void IpValidator::setAcceptEmptyParts(bool value)
{
acceptEmptyParts = value;
}
QChar IpValidator::getWhitespaceCharacter() const
{
return whitespaceCharacter;
}
void IpValidator::setWhitespaceCharacter(const QChar& value)
{
whitespaceCharacter = value;
}
bool IpValidator::check(const QString& input, bool acceptWhiteSpaces)
{
QString regexp = getPattern(acceptWhiteSpaces, true, ' ');
QRegularExpression re(regexp);
return re.match(input).hasMatch();
}
QString IpValidator::getPattern(bool acceptWhiteSpaces, bool requireFull, QChar whitespaceCharacter)
{
QString countChar = requireFull ? "+" : "*";
if (acceptWhiteSpaces)
{
if (whitespaceCharacter == ' ')
return reStr.arg("\\s*", countChar);
else
return reStr.arg(whitespaceCharacter + QString("*"), countChar);
}
else
return reStr.arg("", countChar);
}
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