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3d7a39ed00
* Include only what is used * Use forward declaration when possible * Sorted includes refs #630
95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
/* Copyright (C) 2013
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
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* including this file, may be copied, modified, propagated, or distributed except according to the terms
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* contained in the LICENSE file.
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*/
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//! \file
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#ifndef BLACKMISC_PQ_PQSTRING_H
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#define BLACKMISC_PQ_PQSTRING_H
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#include "blackmisc/blackmiscexport.h"
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#include "blackmisc/metaclass.h"
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#include "blackmisc/valueobject.h"
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#include "blackmisc/variant.h"
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#include <QMetaType>
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#include <QString>
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namespace BlackMisc
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{
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namespace PhysicalQuantities
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{
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/*!
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* Represents a physical quantity by a string
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* \details Used to parse strings into physical quantities, validate strings
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* \sa BlackMisc::PhysicalQuantity
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*/
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class BLACKMISC_EXPORT CPqString : public CValueObject<CPqString>
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{
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public:
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//! \copydoc BlackMisc::Mixin::String::toQString
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QString convertToQString(bool i18n = false) const;
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//! Number separators / group separators
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enum SeparatorMode
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{
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SeparatorsCLocale, //!< 100,000.00
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SeparatorsLocale, //!< depending on QLocale, e.g. 100.000,00 in Germany
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SeparatorsBestGuess //!< try to figure out
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};
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//! Group and digit separator
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enum SeparatorIndex
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{
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Group,
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Digit
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};
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//! Default constructor
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CPqString() = default;
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//! Constructor, for values such as 10km/h
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CPqString(const QString &value) : m_string(value) {}
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//! Parse a string value like "100m", "10.3Mhz"
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static CVariant parseToVariant(const QString &value, SeparatorMode mode = SeparatorsCLocale);
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//! Parse into concrete type
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template <class PQ> static PQ parse(const QString &value, SeparatorMode mode = SeparatorsCLocale)
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{
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PQ invalid;
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invalid.setNull();
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if (value.isEmpty()) return invalid;
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CVariant qv = parseToVariant(value, mode);
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if (!qv.isNull() && qv.canConvert<PQ>())
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{
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return qv.value<PQ>();
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}
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return invalid;
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}
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//! Locale aware parsing
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static double parseNumber(const QString &number, bool &success, SeparatorMode mode = SeparatorsCLocale);
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private:
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QString m_string;
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BLACK_METACLASS(
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CPqString,
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BLACK_METAMEMBER(string)
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);
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};
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}
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}
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Q_DECLARE_METATYPE(BlackMisc::PhysicalQuantities::CPqString)
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#endif // guard
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