From 03ce423e9d74afc116f02f452e11bb82354b7f66 Mon Sep 17 00:00:00 2001
From: Jacob McDonnell <jacob@simplelittledream.com>
Date: Fri, 14 Jan 2022 18:06:29 -0500
Subject: Added next, previous, last, and current line commands

---
 src/filebuffer.java | 37 +++++++++++++++++++++++++++++++++++++
 src/jed.java        | 11 ++++++++++-
 2 files changed, 47 insertions(+), 1 deletion(-)

diff --git a/src/filebuffer.java b/src/filebuffer.java
index ff6b225..44515a1 100644
--- a/src/filebuffer.java
+++ b/src/filebuffer.java
@@ -19,6 +19,39 @@ public class filebuffer {
             readFile();
         }
     }
+
+    /* upperCase: makes the current line upper case */
+    public void upperCase() {
+        String temp = buffer.get(currentLine).toUpperCase();
+        buffer.add(currentLine, temp);
+        buffer.remove(currentLine + 1);
+    }
+
+    /* lowerCase: makes the current line lower case */
+    public void lowerCase() {
+        String temp = buffer.get(currentLine).toLowerCase();
+        buffer.add(currentLine, temp);
+        buffer.remove(currentLine + 1);
+    }
+
+    /* upperCase: makes the lines in the range upper case */
+    public void upperCase(int start, int stop) {
+        for (int i = start; i < stop; i++) {
+            String temp = buffer.get(i).toUpperCase();
+            buffer.add(i, temp);
+            buffer.remove(i + 1);
+        }
+    }
+
+    /* lowerCase: makes the lines in the range lower case */
+    public void lowerCase(int start, int stop) {
+        for (int i = start; i < stop; i++) {
+            String temp = buffer.get(i).toLowerCase();
+            buffer.add(i, temp);
+            buffer.remove(i + 1);
+        }
+    }
+
     /* getFileSize: gets the size of the buffer arraylist */
     public int getFileSize() {
         return buffer.size();
@@ -121,6 +154,10 @@ public class filebuffer {
             replace(start, stop, temp[1], temp[2]);
         else if (temp[0].equals("d"))
             deleteLine(start, stop);
+        else if (temp[0].equals("l"))
+            lowerCase(start, stop);
+        else if (temp[0].equals("U"))
+            upperCase(start, stop);
     }
 
     /* deleteLine: deletes line in the range of start to stop */
diff --git a/src/jed.java b/src/jed.java
index 3f2056c..012ead4 100644
--- a/src/jed.java
+++ b/src/jed.java
@@ -105,6 +105,15 @@ public class jed {
                 case '$': // Last line command
                     file.changeCurrentLine(file.getFileSize() - 1);
                     break;
+                case '.': // Prints current line
+                    System.out.println(file.getLine(file.getCurrentLine()));
+                    break;
+                case 'U': // Uppercase entire line
+                    file.upperCase();
+                    break;
+                case 'l': // Lowercase entire line
+                    file.lowerCase();
+                    break;
                 default:
                     System.out.println("?");
                     break;
@@ -116,7 +125,7 @@ public class jed {
     }
 
     private static void help() {
-        System.out.println("Jed commands:\nq: quits.\nw: writes the file.\nw: filename: writes with inputted name.\no: filename: opens the file.\na: appends user input to the end of the file.\nA: appends user input after the current line.\np: prints the file.\nn: prints the file with line numbers.\nc: deletes and changes the current line.\nd: deletes the current line.\nAny integer: changes to that line number.\ng/expression/: finds and prints the expression.\n%s/expression/newExpression/: replaces an expression with new user input through the whole file.\n<integer, integer>: prefix works with d and s/ex/nex/ for a range of line.\ns/expression/newExpression/: replaces an expression with new user input in the current line.\nh: prints the commands and their description.");
+        System.out.println("Jed commands:\nq: quits.\nw: writes the file.\nw: filename: writes with inputted name.\no: filename: opens the file.\na: appends user input to the end of the file.\nA: appends user input after the current line.\np: prints the file.\nn: prints the file with line numbers.\nc: deletes and changes the current line.\nd: deletes the current line.\nl: makes line lower case.\nU: makes line upper case.\n-: goes to previous line.\n+: goes to next line.\n$: goes to last line.\n.: prints current line.\nAny integer: changes to that line number.\ng/expression/: finds and prints the expression.\n%s/expression/newExpression/: replaces an expression with new user input through the whole file.\n<integer, integer>: prefix works with d, l, U, and s/ex/nex/ for a range of line.\ns/expression/newExpression/: replaces an expression with new user input in the current line.\nh: prints the commands and their description.");
     }
 
     /* isNum: checks if a string is a number, only to be used for changing lines */
-- 
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