peri4
5db97ca959
remove CORS default header from PIHTTPServer fix several docs fix PIMathVector::dot return type add units directory with PIUnits facility
125 lines
4.8 KiB
C++
125 lines
4.8 KiB
C++
/*! \file piunits_base.h
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* \ingroup Core
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* \~\brief
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* \~english Unit conversions
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* \~russian Преобразование единиц измерения
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*/
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/*
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PIP - Platform Independent Primitives
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Unit conversions
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Ivan Pelipenko peri4ko@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PIUNITS_BASE_H
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#define PIUNITS_BASE_H
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#include "pitranslator.h"
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#define DECLARE_UNIT_CLASS_BEGIN(Name, StartIndex) \
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namespace PIUnits { \
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namespace Class { \
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class PIP_EXPORT Name \
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: public Internal::ClassBase \
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, public Internal::Registrator<Name> { \
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private: \
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friend class Internal::Registrator<Name>; \
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constexpr static int typeStart = StartIndex; \
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PIString name(int type) const override; \
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PIString unit(int type) const override; \
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PIString valueToString(double v, char format, int prec) const override; \
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double convert(double v, int from, int to) const override; \
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bool supportPrefixes(int type) const override; \
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bool supportPrefixesNon3(int type) const override; \
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bool supportPrefixesGreater(int type) const override; \
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bool supportPrefixesSmaller(int type) const override; \
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\
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public: \
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PIString className() const override { \
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return piTr(#Name, "PIUnits"); \
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} \
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uint classID() const override { \
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static uint ret = PIStringAscii(#Name).hash(); \
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return ret; \
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}
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#define DECLARE_UNIT_CLASS_END(Name) \
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} \
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; \
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} \
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} \
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STATIC_INITIALIZER_BEGIN \
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PIUnits::Class::Name::registerSelf(); \
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STATIC_INITIALIZER_END
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namespace PIUnits {
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PIP_EXPORT PIString className(int type);
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PIP_EXPORT PIString name(int type);
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PIP_EXPORT PIString unit(int type);
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namespace Class {
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enum {
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Invalid = -1
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};
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class PIP_EXPORT Internal {
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public:
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class PIP_EXPORT ClassBase {
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public:
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virtual uint classID() const = 0;
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virtual PIString className() const = 0;
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virtual PIString name(int type) const = 0;
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virtual PIString unit(int type) const = 0;
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virtual PIString valueToString(double v, char format = 'g', int prec = 5) const = 0;
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virtual double convert(double v, int from, int to) const = 0;
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virtual bool supportPrefixes(int type) const { return true; }
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virtual bool supportPrefixesNon3(int type) const { return false; }
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virtual bool supportPrefixesGreater(int type) const { return true; }
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virtual bool supportPrefixesSmaller(int type) const { return true; }
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const PIVector<int> & allTypes() const { return types; }
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protected:
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PIVector<int> types;
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};
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template<typename P>
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class Registrator {
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public:
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static void registerSelf() {
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auto * uc = new P();
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for (int t = P::typeStart; t < P::_LastType; ++t) {
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uc->types << t;
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Internal::typeClasses[t] = uc;
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}
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if (!Internal::allTypeClasses.contains(uc)) Internal::allTypeClasses << uc;
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}
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};
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static PIMap<int, ClassBase *> typeClasses;
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static PIVector<ClassBase *> allTypeClasses;
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static const PIString unknown;
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};
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} // namespace Class
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PIP_EXPORT PIVector<Class::Internal::ClassBase *> allClasses();
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} // namespace PIUnits
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#endif
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