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-rw-r--r--src/datastructures/linkedlists/SinglyLinkedList.java124
-rw-r--r--src/datastructures/linkedlists/TaillessSinglyLinkedList.java98
-rw-r--r--src/datastructures/linkedlists/template152
3 files changed, 156 insertions, 218 deletions
diff --git a/src/datastructures/linkedlists/SinglyLinkedList.java b/src/datastructures/linkedlists/SinglyLinkedList.java
index 137736c..50814c6 100644
--- a/src/datastructures/linkedlists/SinglyLinkedList.java
+++ b/src/datastructures/linkedlists/SinglyLinkedList.java
@@ -35,126 +35,6 @@ package datastructures.linkedlists;
* @param <T> The value stored in the structure
*/
public class SinglyLinkedList<T>
-{
- /**
- * Node for the list
- */
- public class Node
- {
- /**
- * Constructor
- *
- * @param value The value to store in the list
- */
- private Node(T value)
- {
- this.value = value;
- }
-
-
-
- /**
- * The value stored in the list by this node
- */
- public T value;
-
- /**
- * The next node in the list
- */
- public Node next = null;
-
- }
-
-
-
- /**
- * The first node in the list
- */
- public Node head = null;
-
- /**
- * The last node in the list
- */
- public Node tail = null;
-
-
-
- /**
- * Insert a value in the beginning of the list
- *
- * @param value The value to insert
- * @return The node that has be created and inserted
- */
- public Node insertBeginning(T value)
- {
- Node node = new Node(value);
- node.next = this.head;
- if (this.head == null)
- this.tail = node;
- this.head = node;
- return node;
- }
-
- /**
- * Remove the node at the beginning of the list
- *
- * @return The node that has been removed
- */
- public Node removeBeginning()
- {
- Node node = head;
- if (node != null)
- head = head.next;
- if (this.tail == node)
- this.tail = null;
- return node;
- }
-
- /**
- * Insert a value after a specified, reference, node
- *
- * @param value The value to insert
- * @param predecessor The reference node
- * @return The node that has be created and inserted
- */
- public Node insertAfter(T value, Node predecessor)
- {
- Node node = new Node(value);
- node.next = predecessor.next;
- predecessor.next = node;
- if (this.tail == predecessor)
- this.tail = node;
- return node;
- }
-
- /**
- * Remove the node after a specified, reference, node
- *
- * @param predecessor The reference node
- * @return The node that has been removed
- */
- public Node removeAfter(Node predecessor)
- {
- Node node = predecessor.next;
- if (node == null)
- predecessor.next = node.next;
- if (this.tail == node)
- this.tail = predecessor;
- return node;
- }
-
- /**
- * Insert a value in the end of the list
- *
- * @param value The value to insert
- * @return The node that has be created and inserted
- */
- public Node insertEnd(T value)
- {
- if (this.tail == null)
- return insertBeginning(value);
- return insertAfter(value, this.tail);
- }
-
-}
+£>export with_tail=1
+£>gpp -s £ < src/datastructures/linkedlists/template | sed -e '/^[/ ]\*/d'
diff --git a/src/datastructures/linkedlists/TaillessSinglyLinkedList.java b/src/datastructures/linkedlists/TaillessSinglyLinkedList.java
index 5dd92c0..a73ab72 100644
--- a/src/datastructures/linkedlists/TaillessSinglyLinkedList.java
+++ b/src/datastructures/linkedlists/TaillessSinglyLinkedList.java
@@ -34,100 +34,6 @@ package datastructures.linkedlists;
* @param <T> The value stored in the structure
*/
public class TaillessSinglyLinkedList<T>
-{
- /**
- * Node for the list
- */
- public class Node
- {
- /**
- * Constructor
- *
- * @param value The value to store in the list
- */
- private Node(T value)
- {
- this.value = value;
- }
-
-
-
- /**
- * The value stored in the list by this node
- */
- public T value;
-
- /**
- * The next node in the list
- */
- public Node next = null;
-
- }
-
-
-
- /**
- * The first node in the list
- */
- public Node head = null;
-
-
-
- /**
- * Insert a value in the beginning of the list
- *
- * @param value The value to insert
- * @return The node that has be created and inserted
- */
- public Node insertBeginning(T value)
- {
- Node node = new Node(value);
- node.next = this.head;
- this.head = node;
- return node;
- }
-
- /**
- * Remove the node at the beginning of the list
- *
- * @return The node that has been removed
- */
- public Node removeBeginning()
- {
- Node node = head;
- if (node != null)
- head = head.next;
- return node;
- }
-
- /**
- * Insert a value after a specified, reference, node
- *
- * @param value The value to insert
- * @param predecessor The reference node
- * @return The node that has be created and inserted
- */
- public Node insertAfter(T value, Node predecessor)
- {
- Node node = new Node(value);
- node.next = predecessor.next;
- predecessor.next = node;
- return node;
- }
-
- /**
- * Remove the node after a specified, reference, node
- *
- * @param predecessor The reference node
- * @return The node that has been removed
- */
- public Node removeAfter(Node predecessor)
- {
- Node node = predecessor.next;
- if (node == null)
- predecessor.next = node.next;
- return node;
- }
-
-}
+£>export with_tail=0
+£>gpp -s £ < src/datastructures/linkedlists/template | sed -e '/^[/ ]\*/d'
diff --git a/src/datastructures/linkedlists/template b/src/datastructures/linkedlists/template
new file mode 100644
index 0000000..4ea20ad
--- /dev/null
+++ b/src/datastructures/linkedlists/template
@@ -0,0 +1,152 @@
+/* -*- java -*- */
+/**
+ * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+{
+ /**
+ * Node for the list
+ */
+ public class Node
+ {
+ /**
+ * Constructor
+ *
+ * @param value The value to store in the list
+ */
+ private Node(T value)
+ {
+ this.value = value;
+ }
+
+
+
+ /**
+ * The value stored in the list by this node
+ */
+ public T value;
+
+ /**
+ * The next node in the list
+ */
+ public Node next = null;
+
+ }
+
+
+
+ /**
+ * The first node in the list
+ */
+ public Node head = null;
+
+£>if (( with_tail )); then
+ /**
+ * The last node in the list
+ */
+ public Node tail = null;
+£>fi
+
+
+
+ /**
+ * Insert a value in the beginning of the list
+ *
+ * @param value The value to insert
+ * @return The node that has be created and inserted
+ */
+ public Node insertBeginning(T value)
+ {
+ Node node = new Node(value);
+ node.next = this.head;
+£>if (( with_tail )); then
+ if (this.head == null)
+ this.tail = node;
+£>fi
+ this.head = node;
+ return node;
+ }
+
+ /**
+ * Remove the node at the beginning of the list
+ *
+ * @return The node that has been removed
+ */
+ public Node removeBeginning()
+ {
+ Node node = head;
+ if (node != null)
+ head = head.next;
+£>if (( with_tail )); then
+ if (this.tail == node)
+ this.tail = null;
+£>fi
+ return node;
+ }
+
+ /**
+ * Insert a value after a specified, reference, node
+ *
+ * @param value The value to insert
+ * @param predecessor The reference node
+ * @return The node that has be created and inserted
+ */
+ public Node insertAfter(T value, Node predecessor)
+ {
+ Node node = new Node(value);
+ node.next = predecessor.next;
+ predecessor.next = node;
+£>if (( with_tail )); then
+ if (this.tail == predecessor)
+ this.tail = node;
+£>fi
+ return node;
+ }
+
+ /**
+ * Remove the node after a specified, reference, node
+ *
+ * @param predecessor The reference node
+ * @return The node that has been removed
+ */
+ public Node removeAfter(Node predecessor)
+ {
+ Node node = predecessor.next;
+ if (node == null)
+ predecessor.next = node.next;
+£>if (( with_tail )); then
+ if (this.tail == node)
+ this.tail = predecessor;
+£>fi
+ return node;
+ }
+
+£>if (( with_tail )); then
+ /**
+ * Insert a value in the end of the list
+ *
+ * @param value The value to insert
+ * @return The node that has be created and inserted
+ */
+ public Node insertEnd(T value)
+ {
+ if (this.tail == null)
+ return insertBeginning(value);
+ return insertAfter(value, this.tail);
+ }
+£>fi
+
+}
+
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-08 20:34:21 +0000