From 9927436cc355eb09675bcd6dd026a984c6ba9309 Mon Sep 17 00:00:00 2001
From: Jacob McDonnell <jacob@simplelittledream.com>
Date: Thu, 13 Jan 2022 18:39:09 -0500
Subject: Added previous, next, and last line commands

---
 build/.DS_Store     | Bin 6148 -> 6148 bytes
 src/filebuffer.java |   7 ++++++-
 src/jed.java        |  18 +++++++++++++++++-
 tests/test.txt      |  12 +++++++++---
 4 files changed, 32 insertions(+), 5 deletions(-)

diff --git a/build/.DS_Store b/build/.DS_Store
index ce4d425..45a34cb 100644
Binary files a/build/.DS_Store and b/build/.DS_Store differ
diff --git a/src/filebuffer.java b/src/filebuffer.java
index 7ee27c2..ff6b225 100644
--- a/src/filebuffer.java
+++ b/src/filebuffer.java
@@ -19,7 +19,6 @@ public class filebuffer {
             readFile();
         }
     }
-
     /* getFileSize: gets the size of the buffer arraylist */
     public int getFileSize() {
         return buffer.size();
@@ -33,6 +32,12 @@ public class filebuffer {
     /* changeCurrentLine: changes the current line value */
     public void changeCurrentLine(int n) {
         currentLine = n;
+        printLine(currentLine);
+    }
+
+    /* printLine: prints the line */
+    private void printLine(int n) {
+        System.out.printf("%d %s\n", n + 1, getLine(n));
     }
 
     /* getLine: returns the selected line as a string */
diff --git a/src/jed.java b/src/jed.java
index 3aae502..3f2056c 100644
--- a/src/jed.java
+++ b/src/jed.java
@@ -18,7 +18,9 @@ public class jed {
 
         file = new filebuffer(fileName, hasName);
 
+        /* Main command prompt */
         while (true) {
+            System.out.print("> ");
             String line = kbIn.nextLine();
             int err = parser(line);
             if (err == 1)
@@ -32,7 +34,6 @@ public class jed {
         int err = 0;
         if (isNum(cmd)) {
             file.changeCurrentLine(Integer.parseInt(cmd) - 1);
-            System.out.printf("%d %s\n", file.getCurrentLine() + 1, file.getLine(file.getCurrentLine()));
         } else {
             char c = cmd.charAt(0);
             switch (c) {
@@ -89,6 +90,21 @@ public class jed {
                 case 'h': // help command
                     help();
                     break;
+                case '^': case '-': // previous line command
+                    if ((file.getCurrentLine() - 1) > -1)
+                        file.changeCurrentLine((file.getCurrentLine() - 1));
+                    else
+                        System.out.println("?");
+                    break;
+                case '+': // Next line command
+                    if ((file.getCurrentLine() + 1) <= file.getFileSize())
+                        file.changeCurrentLine((file.getCurrentLine() + 1));
+                    else
+                        System.out.println("?");
+                    break;
+                case '$': // Last line command
+                    file.changeCurrentLine(file.getFileSize() - 1);
+                    break;
                 default:
                     System.out.println("?");
                     break;
diff --git a/tests/test.txt b/tests/test.txt
index 58b1c66..57a9698 100644
--- a/tests/test.txt
+++ b/tests/test.txt
@@ -6,13 +6,19 @@ test
 no test
 more test
 motestre
-test testpenistest test test petestpe
+test testPENIStest test test petestpe
 ;al;skjfjfjfjjfjfjfjjfjfjfjfjf
-penis
+PENIS
+PENIS
+dick
+balls
+PENIS
 ;alsdkjf;sa
-penis
+PENIS
 sdfasdlfkjas;ldf
 asdfals;dfjas;ldkfj;a
 laskdfj;lasdfkj
 l;askdjf;alsdfja;sldfja;sldf
 al;skfdjdas
+dick
+balls
-- 
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