George McIntyre
71 lines
2.7 KiB
C++
71 lines
2.7 KiB
C++
/*
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* pvxs is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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*
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* Author George S. McIntyre <george@level-n.com>, 2023
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*
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*/
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#ifndef PVXS_TYPEUTILS_H
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#define PVXS_TYPEUTILS_H
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#include <sstream>
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#include <string>
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#include <dbStaticLib.h>
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#include <utilpvt.h>
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#include <pvxs/source.h>
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/**
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* To switch the given `TypeCode` for a statically typed call to the given function with the appropriate template type
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* e.g.
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* `SwitchTypeCodeForTemplate(typeCode, getValue,(value, pBuffer))`
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* will convert a typeCode of TypeCode::Int8 into a call to
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* `getValue<char>(value, pBuffer)`
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*
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* @param _typeCode the typecode to be used in the switch statement - should be of type TypeCode or short
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* @param _function the templated function to call
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* @param _arguments the list of arguments to be passed to the templated function. include the parentheses
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*/
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#define SwitchTypeCodeForTemplatedCall(_typeCode, _function, _arguments) \
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switch ((_typeCode.code)) { \
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case TypeCode::Int8: case TypeCode::Int8A: return _function<int8_t>_arguments ; \
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case TypeCode::UInt8: case TypeCode::UInt8A: return _function<uint8_t>_arguments ; \
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case TypeCode::Int16: case TypeCode::Int16A: return _function<int16_t>_arguments ; \
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case TypeCode::UInt16: case TypeCode::UInt16A: return _function<uint16_t>_arguments ; \
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case TypeCode::Int32: case TypeCode::Int32A: return _function<int32_t>_arguments ; \
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case TypeCode::UInt32: case TypeCode::UInt32A: return _function<uint32_t>_arguments ; \
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case TypeCode::Int64: case TypeCode::Int64A: return _function<int64_t>_arguments ; \
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case TypeCode::UInt64: case TypeCode::UInt64A: return _function<uint64_t>_arguments ; \
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case TypeCode::Float32: case TypeCode::Float32A: return _function<float>_arguments ; \
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case TypeCode::Float64: case TypeCode::Float64A: return _function<double>_arguments ; \
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case TypeCode::String: case TypeCode::StringA: \
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case TypeCode::Struct: case TypeCode::StructA: \
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case TypeCode::Union: case TypeCode::UnionA: \
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case TypeCode::Any: case TypeCode::AnyA: \
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default: \
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throw std::logic_error(SB() << "Unsupported Type: " << TypeCode(_typeCode) ); \
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}
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namespace pvxs {
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TypeCode fromDbfType(dbfType dbfType);
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TypeCode fromDbrType(short dbrType);
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namespace ioc {
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/**
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* Tristate value for status flags
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*/
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typedef enum {
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Unset,
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True,
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False
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} TriState;
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}
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}
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#endif //PVXS_TYPEUTILS_H
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