ruler

Author: elstr-512

helloWorld/classTemplate.h

@@ -5,12 +5,12 @@
 using namespace std;
 
 class TEMPLATE {
-  public:
+public:
     TEMPLATE();
 
-  protected:
+protected:
 
-  private:
+private:
 };
 
 #endif

source/chpt_3_ArraysLinkedListsAndRecursion/drawRuler/Ruler.cpp

@@ -0,0 +1,30 @@
+#include "Ruler.h"
+#include <iostream>
+#include <ostream>
+
+using namespace std;
+
+void Ruler::drawOneTick(int tickLength, int tickLabel) {
+    for (int i = 0; i < tickLength; i++) {
+        cout << "-";
+    }
+    if (tickLabel >= 0) {
+        cout << " " << tickLabel;
+    }
+    cout << endl;
+}
+
+void Ruler::drawTicks(int tickLength) {
+    if (tickLength > 0) {
+        drawTicks(tickLength - 1);
+        drawOneTick(tickLength);
+        drawTicks(tickLength - 1);
+    }
+}
+void Ruler::drawRuler(int nInches, int majorLength) {
+    drawOneTick(majorLength, 0);
+    for (int i = 1; i <= nInches; i++) {
+        drawTicks(majorLength - 1);
+        drawOneTick(majorLength, i);
+    }
+}

source/chpt_3_ArraysLinkedListsAndRecursion/drawRuler/Ruler.h

@@ -0,0 +1,10 @@
+#pragma once
+
+class Ruler {
+public:
+    void drawRuler(int nInches, int majorLength);
+
+private:
+    void drawOneTick(int tickLength, int tickLabel = -1);
+    void drawTicks(int tickLength);
+};

source/chpt_3_ArraysLinkedListsAndRecursion/drawRuler/drawRuler.cpp

@@ -0,0 +1,7 @@
+#include "Ruler.h"
+
+int main(int argc, char const *argv[]) {
+    Ruler ruler;
+    ruler.drawRuler(3, 3);
+    return 0;
+}