Files
IfcOpenShell/src/ifcparse/IfcSIPrefix.cpp
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2025-08-26 15:59:05 +02:00

215 lines
7.5 KiB
C++

/********************************************************************************
* *
* This file is part of IfcOpenShell. *
* *
* IfcOpenShell is free software: you can redistribute it and/or modify *
* it under the terms of the Lesser GNU General Public License as published by *
* the Free Software Foundation, either version 3.0 of the License, or *
* (at your option) any later version. *
* *
* IfcOpenShell 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 *
* Lesser GNU General Public License for more details. *
* *
* You should have received a copy of the Lesser GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
********************************************************************************/
#include "IfcSIPrefix.h"
#ifdef HAS_SCHEMA_2x3
#include "Ifc2x3.h"
#endif
#ifdef HAS_SCHEMA_4
#include "Ifc4.h"
#endif
#ifdef HAS_SCHEMA_4x1
#include "Ifc4x1.h"
#endif
#ifdef HAS_SCHEMA_4x2
#include "Ifc4x2.h"
#endif
#ifdef HAS_SCHEMA_4x3_rc1
#include "Ifc4x3_rc1.h"
#endif
#ifdef HAS_SCHEMA_4x3_rc2
#include "Ifc4x3_rc2.h"
#endif
#ifdef HAS_SCHEMA_4x3_rc3
#include "Ifc4x3_rc3.h"
#endif
#ifdef HAS_SCHEMA_4x3_rc4
#include "Ifc4x3_rc4.h"
#endif
#ifdef HAS_SCHEMA_4x3
#include "Ifc4x3.h"
#endif
#ifdef HAS_SCHEMA_4x3_tc1
#include "Ifc4x3_tc1.h"
#endif
#ifdef HAS_SCHEMA_4x3_add1
#include "Ifc4x3_add1.h"
#endif
#ifdef HAS_SCHEMA_4x3_add2
#include "Ifc4x3_add2.h"
#endif
double IfcParse::IfcSIPrefixToValue(const std::string& prefix) {
if (prefix == "EXA") {
return 1.e18;
}
if (prefix == "PETA") {
return 1.e15;
}
if (prefix == "TERA") {
return 1.e12;
}
if (prefix == "GIGA") {
return 1.e9;
}
if (prefix == "MEGA") {
return 1.e6;
}
if (prefix == "KILO") {
return 1.e3;
}
if (prefix == "HECTO") {
return 1.e2;
}
if (prefix == "DECA") {
return 1.e1;
}
if (prefix == "DECI") {
return 1.e-1;
}
if (prefix == "CENTI") {
return 1.e-2;
}
if (prefix == "MILLI") {
return 1.e-3;
}
if (prefix == "MICRO") {
return 1.e-6;
}
if (prefix == "NANO") {
return 1.e-9;
}
if (prefix == "PICO") {
return 1.e-12;
}
if (prefix == "FEMTO") {
return 1.e-15;
}
if (prefix == "ATTO") {
return 1.e-18;
}
return 1.;
}
template <typename Schema>
double IfcParse::get_SI_equivalent(typename Schema::IfcNamedUnit* named_unit) {
double scale = 1.;
typename Schema::IfcSIUnit* si_unit = 0;
if (named_unit->declaration().is(Schema::IfcConversionBasedUnit::Class())) {
typename Schema::IfcConversionBasedUnit* conv_unit = named_unit->template as<typename Schema::IfcConversionBasedUnit>();
typename Schema::IfcMeasureWithUnit* factor = conv_unit->ConversionFactor();
typename Schema::IfcUnit* component = factor->UnitComponent();
if (component->declaration().is(Schema::IfcSIUnit::Class())) {
si_unit = component->template as<typename Schema::IfcSIUnit>();
typename Schema::IfcValue* value = factor->ValueComponent();
scale = value->template as<IfcUtil::IfcBaseClass>()->get_attribute_value(0);
}
} else if (named_unit->declaration().is(Schema::IfcSIUnit::Class())) {
si_unit = named_unit->template as<typename Schema::IfcSIUnit>();
}
if (si_unit) {
if (si_unit->Prefix()) {
scale *= IfcSIPrefixToValue(Schema::IfcSIPrefix::ToString(*si_unit->Prefix()));
}
} else {
scale = 0.;
}
return scale;
}
#if defined(_MSC_VER) && _MSC_VER < 1900
#ifdef HAS_SCHEMA_2x3
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc2x3>(Ifc2x3::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4>(Ifc4::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x1
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x1>(Ifc4x1::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x2
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x2>(Ifc4x2::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_rc1
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_rc1>(Ifc4x3_rc1::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_rc2
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_rc2>(Ifc4x3_rc2::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_rc3
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_rc3>(Ifc4x3_rc3::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_rc4
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_rc4>(Ifc4x3_rc4::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3>(Ifc4x3::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_add1
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_add1>(Ifc4x3_add1::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_add2
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_add2>(Ifc4x3_add2::IfcNamedUnit* named_unit);
#endif
#else
#ifdef HAS_SCHEMA_2x3
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc2x3>(typename Ifc2x3::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4>(typename Ifc4::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x1
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x1>(typename Ifc4x1::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x2
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x2>(typename Ifc4x2::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_rc1
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_rc1>(typename Ifc4x3_rc1::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_rc2
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_rc2>(typename Ifc4x3_rc2::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_rc3
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_rc3>(typename Ifc4x3_rc3::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_rc4
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_rc4>(typename Ifc4x3_rc4::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3>(typename Ifc4x3::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_tc1
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_tc1>(typename Ifc4x3_tc1::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_add1
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_add1>(typename Ifc4x3_add1::IfcNamedUnit* named_unit);
#endif
#ifdef HAS_SCHEMA_4x3_add2
template double IFC_PARSE_API IfcParse::get_SI_equivalent<Ifc4x3_add2>(typename Ifc4x3_add2::IfcNamedUnit* named_unit);
#endif
#endif