50 lines
1010 B
C++
50 lines
1010 B
C++
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/*
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* LateBindingValue.hpp
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*
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* Created on: 28 сент. 2020 г.
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* Author: LeonidTitov
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*/
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#ifndef UMLIBRARY_SCHEMATIC_LATEBINDINGVALUE_HPP_
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#define UMLIBRARY_SCHEMATIC_LATEBINDINGVALUE_HPP_
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#include "../systemic/IValue.hpp"
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namespace schematic {
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template<typename T>
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class LateBindingValue : public systemic::IValue<T> {
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T default_value;
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systemic::IValue<T> * binded_value;
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public:
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LateBindingValue( T default_value );
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void bind( systemic::IValue<T> * );
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operator T() const;
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};
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}
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template<typename T>
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inline schematic::LateBindingValue<T>::LateBindingValue( T default_value ) :
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default_value(default_value), binded_value(nullptr) {}
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template<typename T>
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inline void schematic::LateBindingValue<T>::bind( systemic::IValue<T> * value ) {
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binded_value = value;
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}
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template<typename T>
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inline schematic::LateBindingValue<T>::operator T() const {
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return binded_value ? *binded_value : default_value;
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}
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#endif /* UMLIBRARY_SCHEMATIC_LATEBINDINGVALUE_HPP_ */
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