Files
Upsilon/apps/calculation/calculation.h
Émilie Feral e5e9f7cc41 [poincare][apps] Make preferences a const object accessible from
anywhere (poincare and apps)

Change-Id: I49cc6bf940d1efeb6b153daac949ffcb23999a8d
2017-02-20 09:39:24 +01:00

38 lines
1.2 KiB
C++

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