97 lines
1.6 KiB
C++
Executable File
97 lines
1.6 KiB
C++
Executable File
/**
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* @RDE_HEADER@
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* Helper class for storing a simple value and an implizit changed flag
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* $Id$
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* $HeadURL$
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* $Author$
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*/
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#pragma once
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// Qt
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#include <sstream>
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//----------------------------------------------------------------------------
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namespace SituationMap
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{
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/*! \class SimpleValue
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\brief Simple storing fo values
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*/
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template <class TYPE> class SimpleValue
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{
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protected:
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TYPE m_value = TYPE(); // '{}' to initialize the member (and avoid unconditional jumps@valgrind)
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bool m_changed = true;
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public:
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SimpleValue() = default;
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// cppcheck-suppress noExplicitConstructor
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SimpleValue(const TYPE &value) // should not be declared explicit to avoid additional writing stuff to cast values
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: m_value(value)
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{}
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SimpleValue<TYPE> &operator=(const TYPE &newValue)
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{
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if (this->m_value != newValue)
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{
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this->m_value = newValue;
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m_changed = true;
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}
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return *this;
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}
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const TYPE &operator()() const
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{
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return this->m_value;
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}
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const TYPE &value() const
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{
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return this->m_value;
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}
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TYPE &refValue()
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{
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m_changed = true;
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return this->m_value;
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}
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const TYPE &refValue() const
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{
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return this->m_value;
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}
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bool changed() const
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{
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return m_changed;
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}
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void reset()
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{
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m_changed = false;
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}
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void setChanged()
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{
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m_changed = true;
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}
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friend std::ostream &operator<<(std::ostream &stream,
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const SimpleValue &simpleVal)
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{
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stream << simpleVal.value();
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return stream;
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}
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};
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} // namespace SituationMap
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