From: Jérôme Benoit <jerome.benoit@piment-noir.org>
Date: Sun, 4 Mar 2018 16:38:43 +0000 (+0100)
Subject: Add the Compactable interface.
X-Git-Url: https://git.piment-noir.org/?a=commitdiff_plain;h=5731ae5f40887e5a299eeca6d9047c06cd17ab41;p=TP_POO.git

Add the Compactable interface.

Need testing.

Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>
---

diff --git a/Entiers/Entiers.java b/Entiers/Entiers.java
index 4f1168e..c878f63 100644
--- a/Entiers/Entiers.java
+++ b/Entiers/Entiers.java
@@ -60,7 +60,7 @@ class Entiers {
 
     private int binarySearch(int first, int last, int value) {
         if (last < first)
-            //FIXME: should not return an integer 
+            //FIXME: should not return an integer
             return -1;
         int middle = (first + last) / 2;
         if (value == int_array[middle])
@@ -98,7 +98,8 @@ class Entiers {
     }
 
     public void afficher() {
-        System.out.println("----");
+        String className = this.getClass().getSimpleName();
+        System.out.println("---- " + className + " ----");
         for (int i = 0; i < getCurrentSize(); i++) {
             System.out.println("element " + i + " " + int_array[i]);
         }
diff --git a/Listes/Liste.java b/Listes/Liste.java
index 167a79d..ca2d42d 100644
--- a/Listes/Liste.java
+++ b/Listes/Liste.java
@@ -116,20 +116,22 @@ public class Liste {
     }
 
     public void afficher() {
-        System.out.println("----");
+        String className = this.getClass().getSimpleName();
+        int i = 0;
+        System.out.println("---- " + className + " ----");
         if (isEmpty()) {
-            System.out.println("Liste vide");
+            return;
         } else if (headNode.getNext() == null) {
-            System.out.println("Valeur du noeud 0 : " + headNode.getData());
+            System.out.println("element " + i + " : " + headNode.getData());
         } else {
-            IntNode nodeCursor = headNode;
-            int i = 0;
-            while (nodeCursor.getNext() != null) {
-                System.out.println("Valeur du noeud " + i + " : " + nodeCursor.getData());
-                nodeCursor = nodeCursor.getNext();
+            IntNode nodeCursorNext = headNode.getNext();
+            System.out.println("element " + i + " : " + headNode.getData());
+            i++;
+            while (nodeCursorNext != null) {
+                System.out.println("element " + i + " : " + nodeCursorNext.getData());
+                nodeCursorNext = nodeCursorNext.getNext();
                 i++;
             }
-            System.out.println("Valeur du noeud " + i++ + " : " + nodeCursor.getData());
         }
     }
 
diff --git a/Structure/Entiers.java b/Structure/Entiers.java
index b4cffb1..80fcc90 100644
--- a/Structure/Entiers.java
+++ b/Structure/Entiers.java
@@ -60,7 +60,7 @@ class Entiers extends Structure {
 
     private int binarySearch(int first, int last, int value) {
         if (last < first)
-            //FIXME: should not return an integer 
+            //FIXME: should not return an integer
             return -1;
         int middle = (first + last) / 2;
         if (value == int_array[middle])
@@ -98,7 +98,8 @@ class Entiers extends Structure {
     }
 
     public void afficher() {
-        System.out.println("---- entiers ----");
+        String className = this.getClass().getSimpleName();
+        System.out.println("---- " + className + " ----");
         for (int i = 0; i < getCurrentSize(); i++) {
             System.out.println("element " + i + " : " + int_array[i]);
         }
diff --git a/Structure/Liste.java b/Structure/Liste.java
index da22d8a..448878f 100644
--- a/Structure/Liste.java
+++ b/Structure/Liste.java
@@ -118,20 +118,22 @@ public class Liste extends Structure {
     }
 
     public void afficher() {
-        System.out.println("---- liste ----");
+        String className = this.getClass().getSimpleName();
+        int i = 0;
+        System.out.println("---- " + className + " ----");
         if (isEmpty()) {
             return;
         } else if (headNode.getNext() == null) {
-            System.out.println("element 0 : " + headNode.getData());
+            System.out.println("element " + i + " : " + headNode.getData());
         } else {
-            IntNode nodeCursor = headNode;
-            int i = 0;
-            while (nodeCursor.getNext() != null) {
-                System.out.println("element " + i + " : " + nodeCursor.getData());
-                nodeCursor = nodeCursor.getNext();
+            IntNode nodeCursorNext = headNode.getNext();
+            System.out.println("element " + i + " : " + headNode.getData());
+            i++;
+            while (nodeCursorNext != null) {
+                System.out.println("element " + i + " : " + nodeCursorNext.getData());
+                nodeCursorNext = nodeCursorNext.getNext();
                 i++;
             }
-            System.out.println("element " + i++ + " : " + nodeCursor.getData());
         }
     }
 
diff --git a/TP2/Entiers.java b/TP2/Entiers.java
index a1e18b6..7d55c42 100644
--- a/TP2/Entiers.java
+++ b/TP2/Entiers.java
@@ -75,7 +75,6 @@ class Entiers extends Structure {
             System.out.println("Aucune valeur à supprimer");
             return false;
         }
-
         for (int i = 0; i < getCurrentSize(); i++) {
             if (int_array[i] == value) {
                 // Deleting the element in the tab
@@ -106,7 +105,8 @@ class Entiers extends Structure {
     }
 
     public void compacter(int nElements) {
-
+        // Remove the last nElements
+        current_size -= nElements;
     }
 
 }
diff --git a/TP2/Image.java b/TP2/Image.java
index 5385626..62a710c 100644
--- a/TP2/Image.java
+++ b/TP2/Image.java
@@ -46,6 +46,18 @@ class Image extends Forme implements Compactable {
         return rtVal;
     }
 
+    public boolean supprimer(int index) {
+        boolean rtVal = false;
+        if (!isEmpty()) {
+            for (int j = index; (j < formeNumber - 1 && index < formeNumber); j++) {
+                formeCollection[j] = formeCollection[j + 1];
+            }
+            rtVal = true;
+            formeNumber--;
+        }
+        return rtVal;
+    }
+
     public void afficher() {
         for (int i = 0; i < formeNumber; i++) {
             formeCollection[i].afficher();
@@ -53,7 +65,9 @@ class Image extends Forme implements Compactable {
     }
 
     public void compacter(int nElements) {
-
+        for (int i = formeNumber - 1; (i > formeNumber - nElements && !isEmpty()); i--) {
+            supprimer(i);
+        }
     }
 
 }
diff --git a/TP2/Liste.java b/TP2/Liste.java
index 4ead214..201d875 100644
--- a/TP2/Liste.java
+++ b/TP2/Liste.java
@@ -119,25 +119,44 @@ public class Liste extends Structure {
 
     public void afficher() {
         String className = this.getClass().getSimpleName();
+        int i = 0;
         System.out.println("---- " + className + " ----");
         if (isEmpty()) {
             return;
         } else if (headNode.getNext() == null) {
-            System.out.println("element 0 : " + headNode.getData());
+            System.out.println("element " + i + " : " + headNode.getData());
         } else {
-            IntNode nodeCursor = headNode;
-            int i = 0;
-            while (nodeCursor.getNext() != null) {
-                System.out.println("element " + i + " : " + nodeCursor.getData());
-                nodeCursor = nodeCursor.getNext();
+            IntNode nodeCursorNext = headNode.getNext();
+            System.out.println("element " + i + " : " + headNode.getData());
+            i++;
+            while (nodeCursorNext != null) {
+                System.out.println("element " + i + " : " + nodeCursorNext.getData());
+                nodeCursorNext = nodeCursorNext.getNext();
                 i++;
             }
-            System.out.println("element " + i++ + " : " + nodeCursor.getData());
         }
     }
 
     public void compacter(int nElements) {
-
+        // Remove the first nElements
+        if (isEmpty()) {
+            return;
+        } else if (nElements == 0) {
+            return;
+        } else if (headNode.getNext() == null) {
+            headNode = null;
+        } else {
+            // We have at least 2 nodes in the linked list
+            IntNode nodeCursor = headNode.getNext();
+            int i = 0;
+            // Go to the node at the nElements + 1 place
+            while (i < nElements - 1 && nodeCursor.getNext() != null) {
+                nodeCursor = nodeCursor.getNext();
+                i++;
+            }
+            // Set the nElements + 1 node as the root node
+            setHeadNode(nodeCursor);
+        }
     }
 
 }