feat: add insert and delete key

command.go

@@ -21,6 +21,8 @@ type CommandType TokenType
 // CommandTypes is a list of the available commands that can be executed.
 var CommandTypes = []CommandType{ //nolint: deadcode
 	BACKSPACE,
+	DELETE,
+	INSERT,
 	CTRL,
 	ALT,
 	DOWN,
@@ -63,6 +65,8 @@ type CommandFunc func(c Command, v *VHS)
 // CommandFuncs maps command types to their executable functions.
 var CommandFuncs = map[CommandType]CommandFunc{
 	BACKSPACE:  ExecuteKey(input.Backspace),
+	DELETE:     ExecuteKey(input.Delete),
+	INSERT:     ExecuteKey(input.Insert),
 	DOWN:       ExecuteKey(input.ArrowDown),
 	ENTER:      ExecuteKey(input.Enter),
 	LEFT:       ExecuteKey(input.ArrowLeft),

command_test.go

@@ -6,12 +6,12 @@ import (
 )
 
 func TestCommand(t *testing.T) {
-	const numberOfCommands = 25
+	const numberOfCommands = 27
 	if len(CommandTypes) != numberOfCommands {
 		t.Errorf("Expected %d commands, got %d", numberOfCommands, len(CommandTypes))
 	}
 
-	const numberOfCommandFuncs = 25
+	const numberOfCommandFuncs = 27
 	if len(CommandFuncs) != numberOfCommandFuncs {
 		t.Errorf("Expected %d commands, got %d", numberOfCommandFuncs, len(CommandFuncs))
 	}

examples/demo.tape

@@ -37,6 +37,8 @@
 # Keys:
 #   Escape[@<time>] [number]        Press the Escape key
 #   Backspace[@<time>] [number]     Press the Backspace key
+#   Delete[@<time>] [number]        Press the Delete key
+#   Insert[@<time>] [number]        Press the Insert key
 #   Down[@<time>] [number]          Press the Down key
 #   Enter[@<time>] [number]         Press the Enter key
 #   Space[@<time>] [number]         Press the Space key

examples/fixtures/all.tape

@@ -41,6 +41,14 @@ Backspace
 Backspace 2
 Backspace@1 3
 
+Delete
+Delete 2
+Delete@1 3
+
+Insert
+Insert 2
+Insert@1 3
+
 Down
 Down 2
 Down@1 3

lexer_test.go

@@ -188,6 +188,20 @@ func TestLexTapeFile(t *testing.T) {
 		{AT, "@"},
 		{NUMBER, "1"},
 		{NUMBER, "3"},
+		{DELETE, "Delete"},
+		{DELETE, "Delete"},
+		{NUMBER, "2"},
+		{DELETE, "Delete"},
+		{AT, "@"},
+		{NUMBER, "1"},
+		{NUMBER, "3"},
+		{INSERT, "Insert"},
+		{INSERT, "Insert"},
+		{NUMBER, "2"},
+		{INSERT, "Insert"},
+		{AT, "@"},
+		{NUMBER, "1"},
+		{NUMBER, "3"},
 		{DOWN, "Down"},
 		{DOWN, "Down"},
 		{NUMBER, "2"},

man.go

@@ -31,6 +31,8 @@ The following is a list of all possible commands in VHS:
 * %Type% "<string>"
 * %Ctrl% [+Alt][+Shift]+<char>
 * %Backspace% [repeat]
+* %Delete% [repeat]
+* %Insert% [repeat]
 * %Down% [repeat]
 * %Enter% [repeat]
 * %Left% [repeat]

parser.go

@@ -47,7 +47,7 @@ func (p *Parser) Parse() []Command {
 // parseCommand parses a command.
 func (p *Parser) parseCommand() Command {
 	switch p.cur.Type {
-	case SPACE, BACKSPACE, ENTER, ESCAPE, TAB, DOWN, LEFT, RIGHT, UP, PAGEUP, PAGEDOWN:
+	case SPACE, BACKSPACE, DELETE, INSERT, ENTER, ESCAPE, TAB, DOWN, LEFT, RIGHT, UP, PAGEUP, PAGEDOWN:
 		return p.parseKeypress(p.cur.Type)
 	case SET:
 		return p.parseSet()

parser_test.go

@@ -15,6 +15,8 @@ [email protected] 5
 [email protected] 5
 Backspace@1 5
 Backspace@100ms 5
+Delete 2
+Insert 2
 Right 3
 Left 3
 Up@50ms
@@ -33,6 +35,8 @@ Sleep 3`
 		{Type: BACKSPACE, Options: ".1s", Args: "5"},
 		{Type: BACKSPACE, Options: "1s", Args: "5"},
 		{Type: BACKSPACE, Options: "100ms", Args: "5"},
+		{Type: DELETE, Options: "", Args: "2"},
+		{Type: INSERT, Options: "", Args: "2"},
 		{Type: RIGHT, Options: "", Args: "3"},
 		{Type: LEFT, Options: "", Args: "3"},
 		{Type: UP, Options: "50ms", Args: "1"},
@@ -134,6 +138,12 @@ func TestParseTapeFile(t *testing.T) {
 		{Type: BACKSPACE, Options: "", Args: "1"},
 		{Type: BACKSPACE, Options: "", Args: "2"},
 		{Type: BACKSPACE, Options: "1s", Args: "3"},
+		{Type: DELETE, Options: "", Args: "1"},
+		{Type: DELETE, Options: "", Args: "2"},
+		{Type: DELETE, Options: "1s", Args: "3"},
+		{Type: INSERT, Options: "", Args: "1"},
+		{Type: INSERT, Options: "", Args: "2"},
+		{Type: INSERT, Options: "1s", Args: "3"},
 		{Type: DOWN, Options: "", Args: "1"},
 		{Type: DOWN, Options: "", Args: "2"},
 		{Type: DOWN, Options: "1s", Args: "3"},

token.go

@@ -104,6 +104,8 @@ var keywords = map[string]TokenType{
 	"Enter":         ENTER,
 	"Space":         SPACE,
 	"Backspace":     BACKSPACE,
+	"Delete":        DELETE,
+	"Insert":        INSERT,
 	"Ctrl":          CTRL,
 	"Alt":           ALT,
 	"Shift":         SHIFT,