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39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
#ifndef CALCULATION_CALCULATION_H
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#define CALCULATION_CALCULATION_H
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#include <poincare.h>
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#include "../preferences.h"
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namespace Calculation {
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class Calculation {
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public:
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Calculation();
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~Calculation(); // Delete expression and layout, if needed
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/* The copy assignment operator is deleted as its default implementation does
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* not create new expressions. The new object thus become obsolete as soon
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* as the copy is deleted (because of our implementation of deletion). To
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* avoid any use of obsolete object, we prevent to copy and assign. */
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Calculation & operator= (const Calculation & other) = delete;
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/* c.reset() is the equivalent of c = Calculation() without copy assingment. */
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void reset();
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const char * text();
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Expression * input();
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ExpressionLayout * inputLayout();
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Expression * output();
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ExpressionLayout * outputLayout();
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void setContent(const char * c, Context * context, Preferences * preferences);
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bool isEmpty();
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constexpr static int k_maximalExpressionTextLength = 255;
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private:
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char m_text[k_maximalExpressionTextLength];
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Expression * m_input;
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ExpressionLayout * m_inputLayout;
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Expression * m_output;
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ExpressionLayout * m_outputLayout;
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};
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}
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#endif
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