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kspread Value.h Go to the documentation of this file. /* This file is part of the KDE project Copyright 2007 Stefan Nikolaus <stefan.nikolaus@kdemail.net> Copyright 2003,2004 Ariya Hidayat <ariya@kde.org> This library 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; only version 2 of the License. This library 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 library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef KSPREAD_VALUE_H #define KSPREAD_VALUE_H #include <complex> #include <QDateTime> #include <QSharedDataPointer> #include <QString> #include <QTextStream> #include <kdebug.h> #include "kspread_export.h" #include "Number.h" using namespace std; namespace KSpread { class CalculationSettings; class ValueStorage; class KSPREAD_EXPORT Value { public: enum Type { Empty, Boolean, Integer, Float, Complex, String, Array, CellRange, // not used yet Error }; enum Format { fmt_None, fmt_Boolean, fmt_Number, fmt_Percent, fmt_Money, fmt_DateTime, fmt_Date, fmt_Time, fmt_String }; Value(); explicit Value(Type _type); virtual ~Value(); Value(const Value& _value); Value& operator= (const Value& _value); explicit Value(bool b); explicit Value(qint64 i); explicit Value(int i); explicit Value(double f); explicit Value(long double f); #ifdef KSPREAD_HIGH_PRECISION_SUPPORT explicit Value(Number f); #endif // KSPREAD_HIGH_PRECISION_SUPPORT explicit Value(const complex<Number>& c); explicit Value(const QString& s); explicit Value(const char *s); explicit Value(const ValueStorage& array); Value(const QDateTime& dt, const CalculationSettings* settings); Value(const QTime& time, const CalculationSettings* settings); Value(const QDate& date, const CalculationSettings* settings); Type type() const; Format format() const; void setFormat(Format fmt); bool isEmpty() const { return type() == Empty; } bool isBoolean() const { return type() == Boolean; } bool isInteger() const { return type() == Integer; } bool isFloat() const { return type() == Float; } bool isComplex() const { return type() == Complex; } bool isNumber() const { return (type() == Integer) || (type() == Float) || (type() == Complex); } bool isString() const { return type() == String; } bool isArray() const { return type() == Array; } bool isError() const { return type() == Error; } void setError(const QString& msg); bool asBoolean() const; qint64 asInteger() const; Number asFloat() const; complex<Number> asComplex() const; QString asString() const; QVariant asVariant() const; QDateTime asDateTime(const CalculationSettings* settings) const; QDate asDate(const CalculationSettings* settings) const; QTime asTime(const CalculationSettings* settings) const; Value element(unsigned column, unsigned row) const; Value element(unsigned index) const; void setElement(unsigned column, unsigned row, const Value& value); unsigned columns() const; unsigned rows() const; unsigned count() const; QString errorMessage() const; static const Value& empty(); static const Value& errorCIRCLE(); static const Value& errorDEPEND(); static const Value& errorDIV0(); static const Value& errorNA(); static const Value& errorNAME(); static const Value& errorNUM(); static const Value& errorNULL(); static const Value& errorPARSE(); static const Value& errorREF(); static const Value& errorVALUE(); bool allowComparison(const Value& v) const; int compare(const Value& v) const; bool equal(const Value& v) const; bool less(const Value& v) const; bool greater(const Value& v) const; // comparison operator - returns true only if strictly identical, unlike equal()/compare() bool operator==(const Value& v) const; inline bool operator!=(const Value& other) const { return !operator==(other); } static int compare(Number v1, Number v2); bool isZero() const; static bool isZero(Number v); private: class Private; QSharedDataPointer<Private> d; }; /*************************************************************************** QHash/QSet support ****************************************************************************/ uint qHash(const Value& value); } // namespace KSpread Q_DECLARE_TYPEINFO(KSpread::Value, Q_MOVABLE_TYPE); /*************************************************************************** QTextStream support ****************************************************************************/ KSPREAD_EXPORT QTextStream& operator<<(QTextStream& ts, KSpread::Value::Type type); KSPREAD_EXPORT QTextStream& operator<<(QTextStream& ts, KSpread::Value value); /*************************************************************************** kDebug support ****************************************************************************/ KSPREAD_EXPORT kdbgstream operator<<(kdbgstream str, const KSpread::Value& v); kdbgstream operator<<(kdbgstream stream, const KSpread::Value::Format& f); #endif // KSPREAD_VALUE_H kspread Skip menu "kspread" Main Page Modules Namespace List Class Hierarchy Alphabetical List Class List File List Namespace Members Class Members Related Pages API Reference Skip menu "API Reference" kdgantt Kexi   flake kplato krita   image   plugins       libbrush       libpaintop   ui kspread   part     scripting libs   flake   KoProperty   kotext   main   pigment   musicshape Generated for API Reference by doxygen 1.5.9-20090814 This website is maintained by Adriaan de Groot and Allen Winter. 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