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-rw-r--r--fbreader/src/database/sqldb/DBValues.h145
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diff --git a/fbreader/src/database/sqldb/DBValues.h b/fbreader/src/database/sqldb/DBValues.h
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--- a/fbreader/src/database/sqldb/DBValues.h
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-/*
- * Copyright (C) 2009-2012 Geometer Plus <[email protected]>
- *
- * 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; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-
-#ifndef __DBVALUES_H__
-#define __DBVALUES_H__
-
-#include <string>
-#include <shared_ptr.h>
-
-
-class DBValue {
-
-public:
- enum ValueType {
- DBNULL,
- DBINT,
- DBREAL,
- DBTEXT,
- };
-
- static shared_ptr<DBValue> create(ValueType type);
-
-public:
- DBValue();
- virtual ~DBValue();
-
-public: // to implement:
- virtual ValueType type() const = 0;
-};
-
-class DBNullValue : public DBValue {
-
-friend class DBValue;
-
-public:
- static const shared_ptr<DBValue> Instance; // the only Instance of DBNullValue class
-
-private:
- DBNullValue();
- ~DBNullValue();
-
-public:
- ValueType type() const;
-};
-
-class DBIntValue : public DBValue {
-
-friend class DBValue;
-
-protected:
- DBIntValue();
-
-public:
- DBIntValue(int value);
- ~DBIntValue();
-
- ValueType type() const;
-
- int value() const;
- void setValue(int value);
- const DBIntValue &operator = (int value);
-
-private:
- int myValue;
-};
-
-class DBRealValue : public DBValue {
-
-friend class DBValue;
-
-protected:
- DBRealValue();
-
-public:
- DBRealValue(double value);
- ~DBRealValue();
-
- ValueType type() const;
-
- double value() const;
- void setValue(double value);
- const DBRealValue &operator = (double value);
-
-private:
- double myValue;
-};
-
-class DBTextValue : public DBValue {
-
-friend class DBValue;
-
-protected:
- DBTextValue();
-
-public:
- DBTextValue(const std::string &value);
- ~DBTextValue();
-
- ValueType type() const;
-
- const std::string &value() const;
- void setValue(const std::string &value);
- const DBTextValue &operator = (const std::string &value);
-
-public:
- DBTextValue(const DBTextValue &value);
- const DBTextValue &operator = (const DBTextValue &value);
-
-private:
- std::string myValue;
-};
-
-
-
-inline int DBIntValue::value() const { return myValue; }
-inline void DBIntValue::setValue(int value) { myValue = value; }
-inline const DBIntValue &DBIntValue::operator = (int value) { myValue = value; return *this; }
-
-inline double DBRealValue::value() const { return myValue; }
-inline void DBRealValue::setValue(double value) { myValue = value; }
-inline const DBRealValue &DBRealValue::operator = (double value) { myValue = value; return *this; }
-
-inline const std::string &DBTextValue::value() const { return myValue; }
-inline void DBTextValue::setValue(const std::string &value) { myValue = value; }
-inline const DBTextValue &DBTextValue::operator = (const std::string &value) { myValue = value; return *this; }
-
-#endif /* __DBVALUES_H__ */
-