265 lines
8.2 KiB
C++
265 lines
8.2 KiB
C++
/***************************************************************************
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* Copyright (c) 2009 Jürgen Riegel <FreeCAD@juergen-riegel.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifdef __GNUC__
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# include <unistd.h>
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#endif
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#include <QString>
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#include "Exception.h"
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#include "UnitsApi.h"
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#include "UnitsSchemaInternal.h"
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#include "UnitsSchemaImperial1.h"
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#include "UnitsSchemaMKS.h"
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#include "UnitsSchemaCentimeters.h"
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#include "UnitsSchemaMmMin.h"
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#include "StdStlTools.h"
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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#ifndef M_E
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#define M_E 2.71828182845904523536
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#endif
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#ifndef DOUBLE_MAX
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# define DOUBLE_MAX 1.7976931348623157E+308 /* max decimal value of a "double"*/
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#endif
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#ifndef DOUBLE_MIN
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# define DOUBLE_MIN 2.2250738585072014E-308 /* min decimal value of a "double"*/
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#endif
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using namespace Base;
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//const QString UnitsApi::getQuantityName(QuantityType t)
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//{
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// // check limits
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// assert(t<9);
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// // returns
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// return QString::fromLatin1(QuantityNames[t]);
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//}
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// === static attributes ================================================
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double UnitsApi::defaultFactor = 1.0;
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UnitsSchemaPtr UnitsApi::UserPrefSystem(new UnitsSchemaInternal());
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UnitSystem UnitsApi::actSystem = UnitSystem::SI1;
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//double UnitsApi::UserPrefFactor [50];
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//QString UnitsApi::UserPrefUnit [50];
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int UnitsApi::UserPrefDecimals = 2;
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UnitsApi::UnitsApi(const char* /*filter*/)
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{
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}
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UnitsApi::UnitsApi(const std::string& /*filter*/)
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{
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}
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UnitsApi::~UnitsApi()
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{
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}
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const char* UnitsApi::getDescription(UnitSystem system)
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{
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switch (system) {
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case UnitSystem::SI1:
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return "Standard (mm/kg/s/degree)";
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case UnitSystem::SI2:
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return "MKS (m/kg/s/degree)";
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case UnitSystem::Imperial1:
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return "US customary (in/lb)";
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case UnitSystem::ImperialDecimal:
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return "Imperial decimal (in/lb)";
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case UnitSystem::Centimeters:
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return "Building Euro (cm/m²/m³)";
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case UnitSystem::ImperialBuilding:
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return "Building US (ft-in/sqft/cft)";
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case UnitSystem::MmMin:
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return "Metric small parts & CNC(mm, mm/min)";
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case UnitSystem::ImperialCivil:
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return "Imperial for Civil Eng (ft, ft/sec)";
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default:
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return "Unknown schema";
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}
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}
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UnitsSchemaPtr UnitsApi::createSchema(UnitSystem s)
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{
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switch (s) {
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case UnitSystem::SI1:
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return std::make_unique<UnitsSchemaInternal>();
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case UnitSystem::SI2:
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return std::make_unique<UnitsSchemaMKS>();
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case UnitSystem::Imperial1:
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return std::make_unique<UnitsSchemaImperial1>();
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case UnitSystem::ImperialDecimal:
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return std::make_unique<UnitsSchemaImperialDecimal>();
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case UnitSystem::Centimeters:
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return std::make_unique<UnitsSchemaCentimeters>();
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case UnitSystem::ImperialBuilding:
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return std::make_unique<UnitsSchemaImperialBuilding>();
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case UnitSystem::MmMin:
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return std::make_unique<UnitsSchemaMmMin>();
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case UnitSystem::ImperialCivil:
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return std::make_unique<UnitsSchemaImperialCivil>();
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default:
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break;
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}
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return nullptr;
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}
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void UnitsApi::setSchema(UnitSystem s)
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{
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if (UserPrefSystem) {
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UserPrefSystem->resetSchemaUnits(); // for schemas changed the Quantity constants
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}
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UserPrefSystem = createSchema(s);
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actSystem = s;
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// for wrong value fall back to standard schema
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if (!UserPrefSystem) {
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UserPrefSystem = std::make_unique<UnitsSchemaInternal>();
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actSystem = UnitSystem::SI1;
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}
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UserPrefSystem->setSchemaUnits(); // if necessary a unit schema can change the constants in Quantity (e.g. mi=1.8km rather then 1.6km).
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}
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//double UnitsApi::translateUnit(const char* str)
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//{
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// bool temp;
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// return parse(str,temp );
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//}
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//
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//double UnitsApi::translateUnit(const QString & str)
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//{
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// bool temp;
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// return parse(str.toUtf8() ,temp);
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//}
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//
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// === static translation methods ==========================================
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QString UnitsApi::schemaTranslate(const Base::Quantity& quant, double &factor, QString &unitString)
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{
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return UserPrefSystem->schemaTranslate(quant,factor,unitString);
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}
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//QString UnitsApi::toStrWithUserPrefs(QuantityType t,double Value)
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//{
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// return UserPrefSystem->toStrWithUserPrefs(t,Value);
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// //double UnitValue = Value/UserPrefFactor[t];
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// //return QString::fromLatin1("%1 %2").arg(UnitValue).arg(UserPrefUnit[t]);
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//}
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//
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//void UnitsApi::toStrWithUserPrefs(QuantityType t,double Value,QString &outValue,QString &outUnit)
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//{
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// UserPrefSystem->toStrWithUserPrefs(t,Value,outValue,outUnit);
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//}
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//
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//PyObject *UnitsApi::toPyWithUserPrefs(QuantityType t,double Value)
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//{
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// return PyFloat_FromDouble(Value * UserPrefFactor[t]);
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//}
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//
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double UnitsApi::toDbl(PyObject *ArgObj, const Base::Unit &u)
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{
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#if PY_MAJOR_VERSION >= 3
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if (PyUnicode_Check(ArgObj)) {
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QString str = QString::fromUtf8(PyUnicode_AsUTF8(ArgObj));
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#else
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if (PyString_Check(ArgObj)) {
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QString str = QString::fromLatin1(PyString_AsString(ArgObj));
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#endif
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// Parse the string
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Quantity q = Quantity::parse(str);
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if (q.getUnit() == u)
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return q.getValue();
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throw Base::UnitsMismatchError("Wrong unit type!");
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}
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else if (PyFloat_Check(ArgObj)) {
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return PyFloat_AsDouble(ArgObj);
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}
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#if PY_MAJOR_VERSION < 3
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else if (PyInt_Check(ArgObj)) {
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return static_cast<double>(PyInt_AsLong(ArgObj));
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#else
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else if (PyLong_Check(ArgObj)) {
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return static_cast<double>(PyLong_AsLong(ArgObj));
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#endif
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}
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else {
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throw Base::UnitsMismatchError("Wrong parameter type!");
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}
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}
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Quantity UnitsApi::toQuantity(PyObject *ArgObj, const Base::Unit &u)
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{
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double d;
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#if PY_MAJOR_VERSION >= 3
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if (PyUnicode_Check(ArgObj)) {
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QString str = QString::fromUtf8(PyUnicode_AsUTF8(ArgObj));
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#else
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if (PyString_Check(ArgObj)) {
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QString str = QString::fromLatin1(PyString_AsString(ArgObj));
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#endif
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// Parse the string
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Quantity q = Quantity::parse(str);
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d = q.getValue();
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}
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else if (PyFloat_Check(ArgObj)) {
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d = PyFloat_AsDouble(ArgObj);
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}
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#if PY_MAJOR_VERSION < 3
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else if (PyInt_Check(ArgObj)) {
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d = static_cast<double>(PyInt_AsLong(ArgObj));
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#else
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else if (PyLong_Check(ArgObj)) {
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d = static_cast<double>(PyLong_AsLong(ArgObj));
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#endif
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}
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else {
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throw Base::UnitsMismatchError("Wrong parameter type!");
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}
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return Quantity(d,u);
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}
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void UnitsApi::setDecimals(int prec)
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{
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UserPrefDecimals = prec;
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}
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int UnitsApi::getDecimals()
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{
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return UserPrefDecimals;
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}
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