sync: wip shell and info fetch

src/shell/Wush.ts

@@ -5,7 +5,7 @@ import { Clear } from '../program/Clear'
 import { Eval } from '../program/Eval'
 import { Loadprg } from '../program/Loadprg'
 import { Lsprg } from '../program/Lsprg'
-import { Neofetch } from '../program/Neofetch'
+import { Info } from '../program/Info'
 import { Program } from '../program/Program'
 import { Terminal } from '../terminal/Terminal'
 import { EventBroadcaster } from '../utils/EventBroadcaster'
@@ -17,6 +17,9 @@ export class Wush extends Shell {
     private buffer: string[] = []
     private bufferPos: number = 0
 
+    private history: string[] = []
+    private historyPos: number = 0
+
     // exec stuff
     /**
      * -1 if the exec is currently running and anything else when it's not
@@ -47,7 +50,7 @@ export class Wush extends Shell {
         this.programs['eval'] = new Eval()
         this.programs['loadprg'] = new Loadprg(this)
         this.programs['lsprg'] = new Lsprg(this)
-        this.programs['neofetch'] = new Neofetch()
+        this.programs['info'] = new Info()
 
         this.stdout.on(data => this.WriteEscapedString(data))
         this.Prompt()
@@ -90,14 +93,14 @@ export class Wush extends Shell {
             this.bufferPos++
         })
 
-        console.log(this.buffer)
+        // console.log(this.buffer)
     }
 
     RemoveCharFromBuffer(amount: number, index: number) {
         this.buffer.splice(index - amount, amount)
         this.bufferPos -= amount
 
-        console.log(this.buffer)
+        // console.log(this.buffer)
     }
 
     MoveBufferPos(index: number, absolute: boolean = false) {
@@ -177,6 +180,27 @@ export class Wush extends Shell {
                         this.MoveBufferPos(1)
                     }
                     break
+                case 'ArrowUp':
+                    if (this.historyPos < this.history.length) {
+                        if (this.historyPos === 0)
+                            this.history.splice(0, 0, this.buffer.join(''))
+
+                        this.historyPos++
+                        console.log(this.historyPos)
+                        console.log(this.history[this.historyPos])
+                    }
+                    break
+                case 'ArrowDown':
+                    if (this.historyPos > 0) {
+                        this.historyPos--
+
+                        if (this.historyPos === 0)
+                            this.history.splice(0, 1)
+
+                        console.log(this.historyPos)
+                        console.log(this.history[this.historyPos])
+                    }
+                    break
                 case 'Backspace':
                     // don't erase anything if there's nothing left in the buffer
                     if (this.bufferPos === 0)
@@ -196,8 +220,6 @@ export class Wush extends Shell {
                     this.terminal.RemoveCell()
                     this.RemoveCharFromBuffer(1, this.bufferPos)
                     this.terminal.MoveCursor(-1, 0)
-
-                    console.log(this.bufferPos)
                     break
                 case 'Enter':
                     // send the buffer to stdin if an exec is running
@@ -207,6 +229,7 @@ export class Wush extends Shell {
                     } else {
                         // "execute" the buffer
                         this.terminal.MoveCursor(0, 1, { x: true, y: false })
+                        this.history.splice(0, 0, this.buffer.join(''))
                         this.ExecuteBuffer()
                     }
 
@@ -216,6 +239,8 @@ export class Wush extends Shell {
                     break
             }
         } else {
+            this.historyPos = 0
+
             // push the character into the buffer
             this.terminal.InsertCell(key)
             this.PushToBuffer(key)