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/*
Copyright (C) 2006-2010 Tuomas Suutari <thsuut@utu.fi>
This program 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 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program (see the file COPYING); if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301 USA.
*/
#ifndef SQLDB_QUERYERRORS_H
#define SQLDB_QUERYERRORS_H
#include <qstring.h>
#include <QSqlError>
#include <QSqlQuery>
#define ERROR_CLASS(X,Y) \
struct X: public Y\
{\
X(const QString& message=QString()): Y(message) {}\
QString name() const { return QString::fromLatin1(#X); }\
}
#define ERROR_CLASS2(X,Y) \
struct X: public Y\
{\
X(const QString& queryLine=QString(),\
const QString& message=QString()): Y(queryLine, message) {}\
QString name() const { return QString::fromLatin1(#X); }\
}
namespace SQLDB
{
class Error: public std::exception
{
public:
Error(const QString& message=QString()): _message(message) {}
virtual ~Error() throw() {}
const QString& message() const { return _message; }
virtual QString name() const { return QString::fromLatin1("Error"); }
virtual const char* what() const throw()
{
if (_whatString.isNull()) {
_whatString = whatAsQString();
}
return _whatString.toLocal8Bit().constData();
}
virtual QString whatAsQString() const throw()
{
return name() + QLatin1String(": ") + message();
}
private:
mutable QString _whatString;
QString _message;
};
ERROR_CLASS(NotFoundError, Error);
ERROR_CLASS(DriverNotFoundError, NotFoundError);
ERROR_CLASS(DataNotFoundError, NotFoundError);
ERROR_CLASS(RowNotFoundError, DataNotFoundError);
ERROR_CLASS(EntryNotFoundError, DataNotFoundError);
ERROR_CLASS(OperationNotPossible, Error);
ERROR_CLASS(InitializationError, Error);
ERROR_CLASS(DriverLoadError, InitializationError);
ERROR_CLASS(ConnectionError, Error);
ERROR_CLASS(ConnectionCreateError, ConnectionError);
ERROR_CLASS(ConnectionOpenError, ConnectionError);
ERROR_CLASS(ConnectionCloseError, ConnectionError);
ERROR_CLASS(DatabaseError, Error);
ERROR_CLASS(DatabaseCreateError, DatabaseError);
ERROR_CLASS(DatabaseOpenError, DatabaseError);
ERROR_CLASS(DatabaseSchemaError, DatabaseOpenError);
ERROR_CLASS(TableCreateError, Error);
ERROR_CLASS(TransactionError, Error);
ERROR_CLASS(TransactionCreateError, TransactionError);
ERROR_CLASS(TransactionCommitError, TransactionError);
class SQLError: public Error
{
public:
explicit SQLError(const QString& queryLine=QString(),
const QString& message=QString()):
Error(message), _queryLine(queryLine) {}
virtual ~SQLError() throw() {}
const QString& queryLine() const { return _queryLine; }
QString name() const { return QString::fromLatin1("SQLError"); }
virtual QString whatAsQString() const throw()
{
return
Error::whatAsQString() + QLatin1String(". The query was \"") +
this->queryLine() + QLatin1String("\"");
}
private:
QString _queryLine;
};
ERROR_CLASS2(QueryError, SQLError);
ERROR_CLASS2(StatementError, SQLError);
class QtSQLError: public SQLError
{
public:
QtSQLError(const QSqlError& qtError,
const QString& message):
SQLError(QLatin1String("Unknown"), message),
_qtError(qtError)
{
Q_ASSERT(_qtError.isValid());
}
explicit QtSQLError(const QSqlQuery& executedQuery,
const QString& message=QString()):
SQLError(executedQuery.lastQuery(), message),
_qtError(executedQuery.lastError()),
_bindings(executedQuery.boundValues().values())
{
Q_ASSERT(_qtError.isValid());
}
virtual ~QtSQLError() throw()
{
}
virtual QString name() const { return QLatin1String("QtSQLError"); }
virtual QString whatAsQString() const throw()
{
QStringList bindingsAsStrings;
Q_FOREACH(QVariant x, _bindings)
bindingsAsStrings.push_back(x.toString());
return
SQLError::whatAsQString() +
QLatin1String(". Bindinds are (") +
bindingsAsStrings.join(QLatin1String(",")) + QLatin1String(")") +
QLatin1String(". The text of QSqlError is \"") +
_qtError.text() + QLatin1String("\"");
}
private:
QSqlError _qtError;
QList<QVariant> _bindings;
};
}
#undef ERROR_CLASS
#undef ERROR_CLASS2
#endif /* SQLDB_QUERYERRORS_H */
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