add the print operator to the wire class

src/Wire.cpp

@@ -23,6 +23,19 @@ int Wire::getValue(int wantedTime) const
 	}
 }
 
+char Wire::getChar(int wantedTime) const
+{
+	if (getValue(wantedTime) == -1) {
+		return 'x';
+	}
+	else if (getValue(wantedTime) == 0) {
+		return '_';
+	}
+	else {
+		return '-';
+	}
+}
+
 bool Wire::setValue(int newValue, int setTime)
 {
 	if (getValue(setTime) != newValue) {
@@ -50,6 +63,11 @@ Gate * Wire::getGate(int index)
 	return nullptr;
 }
 
+void Wire::setLast(int last)
+{
+	lastEvent = last;
+}
+
 int Wire::getNumber() const
 {
 	return WireNumber;
@@ -64,3 +82,22 @@ string Wire::getName() const
 {
 	return name;
 }
+
+int Wire::getLast() const
+{
+	return lastEvent;
+}
+
+ostream & operator<<(ostream & out, const Wire & c)
+{
+	if (c.isPrint) {
+		int len = 0;
+		out << setw(10) << c.name;
+			while (len <= 60 && len <= c.lastEvent)
+			{
+				out << setw(0) << c.getChar(len++);
+			}
+			out << endl;
+	}
+	return out;
+}

src/Wire.h

@@ -4,6 +4,7 @@
 #include <vector>
 #include <queue>
 #include <string>
+#include <iomanip>
 
 using namespace std;
 
@@ -16,12 +17,17 @@ class Wire {
 		void addGate(Gate* newGate);
 
 		int getValue(int wantedTime) const;
+		char getChar(int wantedTime) const;
 		int getNumber() const;
 		string getName() const;
+		int getLast() const;
 
 		bool setValue(int newValue, int setTime);
 		void convertToIO(string newName);
 		Gate* getGate(int index);
+		void setLast(int last);
+
+		friend ostream& operator<<(ostream &out, const Wire &c);
 
 	private:
 		int WireNumber, value, lastEvent;