Move more stuff around

editor/constants.go

@@ -1,7 +1,7 @@
 package editor
 
 // ----------------------------------------------------------------------------
-// !Constants
+// !General Constants
 // ----------------------------------------------------------------------------
 
 const (
@@ -9,3 +9,19 @@ const (
 	KiloTabStop   = 4
 	KiloQuitTimes = 3
 )
+
+// ----------------------------------------------------------------------------
+// !Constants representing input keys
+// ----------------------------------------------------------------------------
+
+const (
+	keyUp       = "ARROW_UP"
+	keyDown     = "ARROW_DOWN"
+	keyLeft     = "ARROW_LEFT"
+	keyRight    = "ARROW_RIGHT"
+	keyPageUp   = "PAGE_UP"
+	keyPageDown = "PAGE_DOWN"
+	keyHome     = "HOME"
+	keyEnd      = "END"
+	keyDelete   = "DELETE"
+)

editor/document.go

@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"log"
 	"os"
+	"timshome.page/gilo/internal/buffer"
 )
 
 type document struct {
@@ -83,14 +84,14 @@ func (d *document) appendRow(s string) {
 }
 
 func (d *document) toString() string {
-	buf := newBuffer()
+	buf := buffer.NewBuffer()
 
 	for _, row := range d.rows {
-		buf.append(row.toString())
-		buf.appendRune('\n')
+		buf.Append(row.toString())
+		buf.AppendRune('\n')
 	}
 
-	return buf.toString()
+	return buf.ToString()
 }
 
 func (d *document) rowCount() int {

editor/draw.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"strings"
 	"time"
+	"timshome.page/gilo/internal/buffer"
 	"timshome.page/gilo/terminal"
 )
 
@@ -15,20 +16,20 @@ import (
 func (e *editor) RefreshScreen() {
 	e.scroll()
 
-	ab := newBuffer()
+	ab := buffer.NewBuffer()
 
-	ab.append(terminal.HideCursor)
-	ab.append(terminal.ResetCursor)
+	ab.Append(terminal.HideCursor)
+	ab.Append(terminal.ResetCursor)
 
 	e.drawRows(ab)
 	e.drawStatusBar(ab)
 	e.drawMessageBar(ab)
 
-	ab.append(terminal.MoveCursor(e.renderX-e.offset.x, e.cursor.y-e.offset.y))
+	ab.Append(terminal.MoveCursor(e.renderX-e.offset.x, e.cursor.y-e.offset.y))
 
-	ab.append(terminal.ShowCursor)
+	ab.Append(terminal.ShowCursor)
 
-	terminal.Write(ab.toString())
+	terminal.Write(ab.ToString())
 }
 
 func (e *editor) scroll() {
@@ -55,7 +56,7 @@ func (e *editor) scroll() {
 	}
 }
 
-func (e *editor) drawRows(ab *buffer) {
+func (e *editor) drawRows(ab *buffer.Buffer) {
 	for y := 0; y < e.screen.Rows; y++ {
 		fileRow := y + e.offset.y
 
@@ -67,21 +68,21 @@ func (e *editor) drawRows(ab *buffer) {
 			// If the column offset is greater than the length of the row,
 			// just display an empty row
 			if e.offset.x > rawRow.size() {
-				ab.append("")
+				ab.Append("")
 
 				continue
 			}
 
 			rowLen := e.document.rows[fileRow].rSize() - e.offset.x
 			outputRow := truncate(string(e.document.rows[fileRow].render[e.offset.x:]), rowLen)
-			ab.append(outputRow)
+			ab.Append(outputRow)
 		}
 
-		ab.appendLn(terminal.ClearLine)
+		ab.AppendLn(terminal.ClearLine)
 	}
 }
 
-func (e *editor) drawPlaceholderRow(y int, ab *buffer) {
+func (e *editor) drawPlaceholderRow(y int, ab *buffer.Buffer) {
 	if e.document.rowCount() == 0 && y == e.screen.Rows/3 {
 		welcome := fmt.Sprintf("Gilo editor -- version %s", KiloVersion)
 		if len(welcome) > e.screen.Cols {
@@ -90,25 +91,25 @@ func (e *editor) drawPlaceholderRow(y int, ab *buffer) {
 
 		padding := (e.screen.Cols - len(welcome)) / 2
 		if padding > 0 {
-			ab.appendRune('~')
+			ab.AppendRune('~')
 			padding--
 		}
 
 		for padding > 0 {
 			padding--
-			ab.appendRune(' ')
+			ab.AppendRune(' ')
 		}
 
-		ab.append(welcome)
+		ab.Append(welcome)
 	} else {
-		ab.appendRune('~')
+		ab.AppendRune('~')
 	}
 }
 
-func (e *editor) drawStatusBar(ab *buffer) {
+func (e *editor) drawStatusBar(ab *buffer.Buffer) {
 	cols := e.screen.Cols
 
-	ab.append(terminal.InvertColor)
+	ab.Append(terminal.InvertColor)
 
 	fileName := "[No Name]"
 	if e.document.filename != "" {
@@ -124,8 +125,8 @@ func (e *editor) drawStatusBar(ab *buffer) {
 	if length > cols {
 		leftStatus = truncate(leftStatus, cols)
 
-		ab.append(leftStatus)
-		ab.append(terminal.ResetColor)
+		ab.Append(leftStatus)
+		ab.Append(terminal.ResetColor)
 
 		return
 	}
@@ -138,30 +139,30 @@ func (e *editor) drawStatusBar(ab *buffer) {
 		paddingLength := cols - statusLength
 		padding := strings.Repeat(" ", paddingLength)
 
-		ab.append(leftStatus)
-		ab.append(padding)
-		ab.append(rightStatus)
+		ab.Append(leftStatus)
+		ab.Append(padding)
+		ab.Append(rightStatus)
 
-		ab.append(terminal.ResetColor)
+		ab.Append(terminal.ResetColor)
 
 		return
 	}
 
-	ab.append(leftStatus)
+	ab.Append(leftStatus)
 
 	// Pad the rest of the status line
 	padding := strings.Repeat(" ", cols-length)
-	ab.append(padding)
+	ab.Append(padding)
 
-	ab.append(terminal.ResetColor)
+	ab.Append(terminal.ResetColor)
 }
 
-func (e *editor) drawMessageBar(ab *buffer) {
-	ab.append("\r\n")
-	ab.append(terminal.ClearLine)
+func (e *editor) drawMessageBar(ab *buffer.Buffer) {
+	ab.Append("\r\n")
+	ab.Append(terminal.ClearLine)
 
 	msg := truncate(e.status.message, e.screen.Cols)
 	if len(msg) > 0 && time.Since(e.status.created).Seconds() < 5.0 {
-		ab.append(msg)
+		ab.Append(msg)
 	}
 }

editor/editor.go

@@ -1,3 +1,4 @@
+// The main interface/implementation of the editor object
 package editor
 
 import (

editor/input_test.go

@@ -12,9 +12,9 @@ type moveCursor struct {
 }
 
 var cursorTests = []moveCursor{
-	{[]string{"\x1b"}, false, &point{0, 0}},
+	{[]string{string(rune(key.Esc))}, false, &point{0, 0}},
 	{[]string{keyRight}, true, &point{1, 0}},
-	{[]string{keyEnd}, true, &point{14, 0}},
+	{[]string{keyDown, keyEnd}, true, &point{14, 1}},
 	{[]string{keyEnd, keyHome}, true, &point{0, 0}},
 	{[]string{keyRight, keyLeft}, true, &point{0, 0}},
 	{[]string{keyDown, keyUp}, true, &point{0, 0}},
@@ -29,8 +29,8 @@ func TestMoveCursor(t *testing.T) {
 			e.Open("editor.go")
 		}
 
-		for _, key := range test.keys {
-			e.moveCursor(key)
+		for _, k := range test.keys {
+			e.moveCursor(k)
 		}
 		want := test.cursor
 		got := e.cursor

editor/keymap.go

@@ -1,17 +0,0 @@
-package editor
-
-// ----------------------------------------------------------------------------
-// !Constants representing input keys
-// ----------------------------------------------------------------------------
-
-const (
-	keyUp       = "ARROW_UP"
-	keyDown     = "ARROW_DOWN"
-	keyLeft     = "ARROW_LEFT"
-	keyRight    = "ARROW_RIGHT"
-	keyPageUp   = "PAGE_UP"
-	keyPageDown = "PAGE_DOWN"
-	keyHome     = "HOME"
-	keyEnd      = "END"
-	keyDelete   = "DELETE"
-)

internal/buffer/buffer.go

@@ -1,4 +1,4 @@
-package editor
+package buffer
 
 import (
 	"fmt"
@@ -9,38 +9,38 @@ import (
 // !Output Buffer
 // ----------------------------------------------------------------------------
 
-type buffer struct {
+type Buffer struct {
 	buf *strings.Builder
 }
 
-func newBuffer() *buffer {
+func NewBuffer() *Buffer {
 	var buf strings.Builder
 
-	b := new(buffer)
+	b := new(Buffer)
 	b.buf = &buf
 
 	return b
 }
 
-func (b *buffer) appendRune(r rune) int {
+func (b *Buffer) AppendRune(r rune) int {
 	size, _ := b.buf.WriteRune(r)
 
 	return size
 }
 
-func (b *buffer) append(s string) int {
+func (b *Buffer) Append(s string) int {
 	size, _ := b.buf.WriteString(s)
 
 	return size
 }
 
-func (b *buffer) appendLn(s string) int {
+func (b *Buffer) AppendLn(s string) int {
 	str := fmt.Sprintf("%s\r\n", s)
 	size, _ := b.buf.WriteString(str)
 
 	return size
 }
 
-func (b *buffer) toString() string {
+func (b *Buffer) ToString() string {
 	return b.buf.String()
 }

internal/buffer/buffer_test.go

@@ -1,11 +1,11 @@
-package editor
+package buffer
 
 import "testing"
 
 func TestBufferAppendRune(t *testing.T) {
-	b := newBuffer()
+	b := NewBuffer()
 
-	got := b.appendRune('a')
+	got := b.AppendRune('a')
 	want := 1
 
 	if got != want {
@@ -14,9 +14,9 @@ func TestBufferAppendRune(t *testing.T) {
 }
 
 func TestBufferAppend(t *testing.T) {
-	b := newBuffer()
+	b := NewBuffer()
 
-	got := b.append("123")
+	got := b.Append("123")
 	want := 3
 
 	if got != want {
@@ -25,9 +25,9 @@ func TestBufferAppend(t *testing.T) {
 }
 
 func TestBufferAppendLn(t *testing.T) {
-	b := newBuffer()
+	b := NewBuffer()
 
-	got := b.appendLn("123")
+	got := b.AppendLn("123")
 
 	// Adds carriage return and line feed
 	want := 5
@@ -38,10 +38,10 @@ func TestBufferAppendLn(t *testing.T) {
 }
 
 func TestBufferToString(t *testing.T) {
-	b := newBuffer()
-	b.append("foo")
+	b := NewBuffer()
+	b.Append("foo")
 
-	got := b.toString()
+	got := b.ToString()
 	want := "foo"
 
 	if got != want {