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/* This file is part of the KDE project
Copyright (C) 2003-2005 Jaroslaw Staniek <js@iidea.pl>
Copyright (C) 2005 Martin Ellis <martin.ellis@kdemail.net>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KEXIUTILS_IDENTIFIER_H
#define KEXIUTILS_IDENTIFIER_H
#include "validator.h"
#include <qstring.h>
namespace KexiUtils {
/*! \return true if \a s is a valid identifier, ie. starts with a letter or '_' character
and contains only letters, numbers and '_' character. */
KEXIUTILS_EXPORT bool isIdentifier(const QString& s);
/*! \return valid identifier based on \a s.
Non-alphanumeric characters (or spaces) are replaced with '_'.
If a number is at the beginning, '_' is added at start.
Empty strings are not changed. Case remains unchanged. */
KEXIUTILS_EXPORT QString string2Identifier(const QString &s);
/*! \return useful message "Value of "valueName" column must be an identifier.
"v" is not a valid identifier.". It is also used by IdentifierValidator. */
KEXIUTILS_EXPORT QString identifierExpectedMessage(const QString &valueName,
const QVariant& v);
//! \return Valid filename based on \a s
KEXIUTILS_EXPORT QString string2FileName(const QString &s);
//! Validates input for identifier name.
class KEXIUTILS_EXPORT IdentifierValidator : public Validator
{
public:
IdentifierValidator(QObject * parent = 0, const char * name = 0);
virtual ~IdentifierValidator();
virtual State validate( QString & input, int & pos) const;
protected:
virtual Validator::Result internalCheck(const QString &valueName, const QVariant& v,
QString &message, QString &details);
};
}
#endif
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