120 lines
5.7 KiB
C++
120 lines
5.7 KiB
C++
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/*
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__________ ____ ___
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_____ __ _\______ \_____ _______ ______ __________\ \/ /
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/ \| | \ ___/\__ \\_ __ \/ ___// __ \_ __ \ /
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| Y Y \ | / | / __ \| | \/\___ \\ ___/| | \/ \
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|__|_| /____/|____| (____ /__| /____ >\___ >__| /___/\ \
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\/ \/ \/ \/ \_/
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Copyright (C) 2016, Ingo Berg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "mpPackageUnit.h"
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#include "mpParserBase.h"
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MUP_NAMESPACE_START
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/** \brief This is a macro for defining scaling postfix operators.
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These operators can be used for unit conversions.
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*/
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#define MUP_POSTFIX_IMLP(CLASS, IDENT, MUL, DESC) \
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CLASS::CLASS(IPackage*) \
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:IOprtPostfix(_T(IDENT)) \
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{} \
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\
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void CLASS::Eval(ptr_val_type &ret, const ptr_val_type *a_pArg, int) \
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{ \
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if (!a_pArg[0]->IsScalar()) \
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{ \
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ErrorContext err(ecTYPE_CONFLICT, \
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GetExprPos(), \
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a_pArg[0]->ToString(), \
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a_pArg[0]->GetType(), \
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'c', \
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1); \
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throw ParserError(err); \
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} \
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\
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*ret = a_pArg[0]->GetComplex() * MUL; \
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} \
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\
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const char_type* CLASS::GetDesc() const \
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{ \
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return _T(DESC); \
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} \
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\
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IToken* CLASS::Clone() const \
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{ \
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return new CLASS(*this); \
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}
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MUP_POSTFIX_IMLP(OprtNano, "n", (float_type)1e-9, "n - unit multiplicator 1e-9")
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MUP_POSTFIX_IMLP(OprtMicro, "u", (float_type)1e-6, "u - unit multiplicator 1e-6")
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MUP_POSTFIX_IMLP(OprtMilli, "m", (float_type)1e-3, "m - unit multiplicator 1e-3")
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MUP_POSTFIX_IMLP(OprtKilo, "k", (float_type)1e3, "k - unit multiplicator 1e3")
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MUP_POSTFIX_IMLP(OprtMega, "M", (float_type)1e6, "M - unit multiplicator 1e6")
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MUP_POSTFIX_IMLP(OprtGiga, "G", (float_type)1e9, "G - unit multiplicator 1e9")
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#undef MUP_POSTFIX_IMLP
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//------------------------------------------------------------------------------
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std::unique_ptr<PackageUnit> PackageUnit::s_pInstance;
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//------------------------------------------------------------------------------
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IPackage* PackageUnit::Instance()
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{
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if (s_pInstance.get()==nullptr)
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{
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s_pInstance.reset(new PackageUnit);
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}
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return s_pInstance.get();
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}
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//------------------------------------------------------------------------------
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void PackageUnit::AddToParser(ParserXBase *pParser)
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{
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pParser->DefinePostfixOprt(new OprtNano(this));
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pParser->DefinePostfixOprt(new OprtMicro(this));
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pParser->DefinePostfixOprt(new OprtMilli(this));
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pParser->DefinePostfixOprt(new OprtKilo(this));
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pParser->DefinePostfixOprt(new OprtMega(this));
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pParser->DefinePostfixOprt(new OprtGiga(this));
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}
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//------------------------------------------------------------------------------
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string_type PackageUnit::GetDesc() const
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{
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return _T("Postfix operators for basic unit conversions.");
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}
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//------------------------------------------------------------------------------
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string_type PackageUnit::GetPrefix() const
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{
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return _T("");
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}
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MUP_NAMESPACE_END
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