/usr/include/KF5/KUnitConversion/kunitconversion/value.h is in libkf5unitconversion-dev 5.44.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2007-2009 Petri Damstén <damu@iki.fi>
* Copyright (C) 2014 John Layt <jlayt@kde.org>
*
* 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, 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 Library 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 KUNITCONVERSION_VALUE_H
#define KUNITCONVERSION_VALUE_H
#include "kunitconversion/kunitconversion_export.h"
#include "unit.h"
#include <QtCore/QString>
#include <QtCore/QSharedDataPointer>
class QVariant;
namespace KUnitConversion
{
class ValuePrivate;
/**
* @short Class to hold a value in a unit of measurement
*
* @since 4.4
*
* This is a class to hold a value in a unit of measurement.
*
* @b license GNU-LGPL v.2 or later
*
* @see Converter, Unit, UnitCategory
*
* @author Petri Damstén <damu@iki.fi>
* @author John Layt <jlayt@kde.org>
*/
class KUNITCONVERSION_EXPORT Value
{
public:
/**
* Creates a null value.
*/
Value();
/**
* Creates a value with a unit instance
*/
Value(qreal number, const Unit &unit);
/**
* Creates a value with a unit (as a string).
*/
Value(qreal number, const QString &unitString);
/**
* Creates a value with a unit (as a enum value).
*/
Value(qreal number, UnitId unitId);
/**
* Creates a value based on a QVariant (calling toReal() on it) with a unit (as a string).
*/
Value(const QVariant &number, const QString &unitString);
/**
* Copy constructor, copy @p other to this.
**/
Value(const Value &other);
/**
* Destroys this Value instance
*/
~Value();
/**
* Assignment operator, assign @p other to this.
**/
Value &operator=(const Value &other);
#ifdef Q_COMPILER_RVALUE_REFS
/**
* Move-assigns \a other to this Value instance, transferring the
* ownership of the managed pointer to this instance.
**/
Value &operator=(Value &&other) { swap(other); return *this; }
#endif
/**
* Swaps this Value with \a other. This function is very fast and never fails.
**/
void swap(Value &other) { d.swap(other.d); }
/**
* @return Returns true if this Value is equal to the @param other Value.
**/
bool operator==(const Value &other) const;
/**
* @return Returns true if this Value is not equal to the @param other Value.
**/
bool operator!=(const Value &other) const;
/**
* @return returns true if this Value is null
**/
bool isNull() const;
/**
* Check if value is valid.
*
* @return True if value is valid
**/
bool isValid() const;
/**
* Number part of the value
**/
qreal number() const;
/**
* Unit part of the value
**/
Unit unit() const;
/**
* Convert value to a string
* @param fieldWidth width of the formatted field, padded by spaces.
* Positive value aligns right, negative aligns left
* @param format type of floating point formating, like in QString::arg
* @param precision number of digits after the decimal separator
* @param fillChar the character used to fill up the empty places when
* field width is greater than argument width
* @return value as a string
**/
QString toString(int fieldWidth = 0, char format = 'g', int precision = -1,
const QChar &fillChar = QLatin1Char(' ')) const;
/**
* Convert value to a string with symbol
* @param fieldWidth width of the formatted field, padded by spaces.
* Positive value aligns right, negative aligns left
* @param format type of floating point formating, like in QString::arg
* @param precision number of digits after the decimal separator
* @param fillChar the character used to fill up the empty places when
* field width is greater than argument width
* @return value as a string
**/
QString toSymbolString(int fieldWidth = 0, char format = 'g', int precision = -1,
const QChar &fillChar = QLatin1Char(' ')) const;
/**
* rounds value to decimal count
* @param decimals decimal count.
**/
Value &round(uint decimals);
/**
* convert to another unit
**/
Value convertTo(const Unit &unit) const;
/**
* convert to another unit
**/
Value convertTo(UnitId unit) const;
/**
* convert to another unit
**/
Value convertTo(const QString &unit) const;
private:
QSharedDataPointer<ValuePrivate> d;
};
} // KUnitConversion namespace
#endif
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