kicad/eeschema/sim/sim_value.h

180 lines
5.4 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2022 Mikolaj Wielgus
* Copyright (C) 2022-2023 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 3
* of the License, 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 General Public License
* along with this program; if not, you may find one here:
* https://www.gnu.org/licenses/gpl-3.0.html
* or you may search the http://www.gnu.org website for the version 3 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef SIM_VALUE_H
#define SIM_VALUE_H
#include <wx/string.h>
#include <optional>
#include <complex>
#include <memory>
#include <pegtl.hpp>
// Undef some annoying defines in windows headers added by pegtl.hpp
// that can create issues in .cpp files, mainly on msys2
#if defined (__MINGW32__)
#if defined ( LoadLibrary )
#undef LoadLibrary
#endif
#if defined ( GetClassInfo )
#undef GetClassInfo
#endif
#endif
namespace SIM_VALUE_GRAMMAR
{
using namespace tao::pegtl;
enum class NOTATION
{
SI,
SPICE
};
}
class SIM_VALUE
{
public:
using NOTATION = SIM_VALUE_GRAMMAR::NOTATION;
// Names like BOOL, INT, FLOAT need to be prefixed or MS Windows compilers will complain (enum
// class doesn't help).
enum TYPE
{
TYPE_BOOL,
TYPE_INT,
TYPE_FLOAT,
TYPE_COMPLEX,
TYPE_STRING,
TYPE_BOOL_VECTOR,
TYPE_INT_VECTOR,
TYPE_FLOAT_VECTOR,
TYPE_COMPLEX_VECTOR
};
static std::string ConvertNotation( const std::string& aString, NOTATION aFromNotation,
NOTATION aToNotation );
static std::string Normalize( double aValue );
static std::string ToSpice( const std::string& aString )
{
return ConvertNotation( aString, NOTATION::SI, NOTATION::SPICE );
}
static double ToDouble( const std::string& aString, double aDefault = NAN );
static int ToInt( const std::string& aString, int aDefault = -1 );
};
namespace SIM_VALUE_GRAMMAR
{
template <NOTATION Notation>
std::string allowedIntChars;
struct digits : plus<tao::pegtl::digit> {}; // For some reason it fails on just "digit".
struct sign : one<'+', '-'> {};
struct intPart : seq<opt<sign>, digits> {};
//struct fracPartPrefix : one<'.'> {};
struct fracPart : digits {};
//struct fracPartWithPrefix : seq<fracPartPrefix, fracPart> {};
template <SIM_VALUE::TYPE ValueType>
struct significand;
template <> struct significand<SIM_VALUE::TYPE_FLOAT> :
sor<seq<intPart, one<'.'>, fracPart>,
seq<intPart, one<'.'>>,
intPart,
seq<one<'.'>, fracPart>,
one<'.'>,
one<'-'>> {};
template <> struct significand<SIM_VALUE::TYPE_INT> : intPart {};
struct exponentPrefix : one<'e', 'E'> {};
struct exponent : seq<opt<sign>, opt<digits>> {};
struct exponentWithPrefix : seq<exponentPrefix, exponent> {};
template <SIM_VALUE::TYPE ValueType, NOTATION Notation>
struct unitPrefix;
template <> struct unitPrefix<SIM_VALUE::TYPE_INT, NOTATION::SI>
: one<'k', 'K', 'M', 'G', 'T', 'P', 'E'> {};
template <> struct unitPrefix<SIM_VALUE::TYPE_INT, NOTATION::SPICE>
: sor<TAO_PEGTL_ISTRING( "k" ),
TAO_PEGTL_ISTRING( "Meg" ),
TAO_PEGTL_ISTRING( "G" ),
TAO_PEGTL_ISTRING( "T" )> {};
template <> struct unitPrefix<SIM_VALUE::TYPE_FLOAT, NOTATION::SI>
: one<'a', 'f', 'p', 'n', 'u', 'm', 'k', 'K', 'M', 'G', 'T', 'P', 'E'> {};
template <> struct unitPrefix<SIM_VALUE::TYPE_FLOAT, NOTATION::SPICE>
: sor<TAO_PEGTL_ISTRING( "f" ),
TAO_PEGTL_ISTRING( "p" ),
TAO_PEGTL_ISTRING( "n" ),
TAO_PEGTL_ISTRING( "u" ),
TAO_PEGTL_ISTRING( "Meg" ), // "Meg" must be before "m".
TAO_PEGTL_ISTRING( "m" ),
//TAO_PEGTL_ISTRING( "mil" ),
TAO_PEGTL_ISTRING( "k" ),
TAO_PEGTL_ISTRING( "G" ),
TAO_PEGTL_ISTRING( "T" )> {};
template <NOTATION Notation>
struct garbageSuffix;
template <> struct garbageSuffix<NOTATION::SI> : seq<> {};
template <> struct garbageSuffix<NOTATION::SPICE> : star<alpha> {};
template <SIM_VALUE::TYPE ValueType, NOTATION Notation>
struct number : seq<opt<significand<ValueType>>,
opt<exponentWithPrefix>,
opt<unitPrefix<ValueType, Notation>>,
garbageSuffix<Notation>> {};
template <SIM_VALUE::TYPE ValueType, NOTATION Notation>
struct numberGrammar : must<number<ValueType, Notation>, tao::pegtl::eof> {};
bool IsValid( const std::string& aString,
SIM_VALUE::TYPE aValueType = SIM_VALUE::TYPE_FLOAT,
NOTATION aNotation = NOTATION::SI );
}
#endif // SIM_VALUE_H