1 files changed, 64 insertions, 0 deletions

diff --git a/tree.h b/tree.h
new file mode 100644
index 0000000..48f4de1
--- /dev/null
+++ b/tree.h
@@ -0,0 +1,64 @@
+#include <vector>
+#include <string>
+#include <stdlib.h>
+
+using namespace std;
+
+enum NodeType 
+{
+	OPERAND_NODE,
+	OPERATOR_NODE,
+};
+
+class Node
+{
+	public:
+		Node();
+		double solve();
+		
+		Node *leftChild;
+		Node *rightChild;
+
+		NodeType type;		
+};
+
+class OperatorNode: public Node 
+{
+	public:
+		OperatorNode();
+		double solve();
+		char function;
+};
+
+
+class OperandNode: public Node
+{
+	public:
+		OperandNode();
+		double solve();
+		double value;
+};
+
+class Tree
+{
+	public:
+		Tree();
+		
+		Node *root;
+		
+		Node* addOperand(Node**, double);
+		Node* addOperator(Node**, char);
+		
+		string print(string);
+		
+	private:
+		vector<Node*> *nodeCollection;
+};
+
+class divide_exception: public exception
+{
+	virtual const char* what() const throw()
+	{
+		return "A divison through zero had to be prevented by the parser - check your input term.";
+	}
+};
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