[apps/calculation] Rename calcul->calculation

Change-Id: I57ca7353516cee2da33470a8a0f622a21c3fe7e9

apps/calculation/calculation.cpp

@@ -0,0 +1,52 @@
+#include "calculation.h"
+#include <string.h>
+
+namespace Calculation {
+
+Calculation::Calculation() :
+  m_text(""),
+  m_expression(nullptr),
+  m_layout(nullptr),
+  m_evaluation(Float(0.0f))
+{
+}
+
+void Calculation::setContent(const char * c, Context * context) {
+  strlcpy(m_text, c, sizeof(m_text));
+  if (m_expression != nullptr) {
+    delete m_expression;
+  }
+  m_expression = Expression::parse(m_text);
+  if (m_layout != nullptr) {
+    delete m_layout;
+  }
+  m_layout = expression()->createLayout();
+  m_evaluation = m_expression->approximate(*context);
+}
+
+Calculation::~Calculation() {
+  if (m_layout != nullptr) {
+    delete m_layout;
+  }
+  if (m_expression != nullptr) {
+    delete m_expression;
+  }
+}
+
+const char * Calculation::text() {
+  return m_text;
+}
+
+Expression * Calculation::expression() {
+  return m_expression;
+}
+
+ExpressionLayout * Calculation::layout() {
+  return m_layout;
+}
+
+Float * Calculation::evaluation() {
+  return &m_evaluation;
+}
+
+}