ResInsight/ApplicationLibCode/Application/Tools/RiaValidRegExpValidator.cpp
2021-01-11 15:27:45 +01:00

73 lines
2.9 KiB
C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2020- Equinor ASA
//
// ResInsight is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#include "RiaValidRegExpValidator.h"
#include "cafAssert.h"
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RiaValidRegExpValidator::RiaValidRegExpValidator( const QString& defaultPattern )
: QValidator( nullptr )
, m_defaultPattern( defaultPattern )
{
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RiaValidRegExpValidator::isValidCharacter( const QChar& character )
{
return character.isLetterOrNumber() || character == '-' || character == '_' || character == '.' || character == '[';
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QValidator::State RiaValidRegExpValidator::validate( QString& inputString, int& position ) const
{
QRegExp inputRe( inputString, Qt::CaseInsensitive, QRegExp::Wildcard );
if ( inputRe.isValid() ) // A valid wildcard pattern is always acceptable
{
return QValidator::Acceptable;
}
if ( position >= inputString.length() )
{
// This should probably never happen, but the Qt-documentation isn't clear on it.
CAF_ASSERT( false );
return QValidator::Invalid;
}
// Try to decide whether it can be fixed by typing further characters or not.
if ( !isValidCharacter( inputString[position] ) )
{
// Contains a invalid character: the whole regexp is invalid.
return QValidator::Invalid;
}
return QValidator::Intermediate;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiaValidRegExpValidator::fixup( QString& inputString ) const
{
inputString = m_defaultPattern;
}