feat: implemented E and W, last is B, tested

FEATURES.md

@@ -12,8 +12,8 @@
 - [x] `w` - Forward to start of word
 - [x] `e` - Forward to end of word
 - [x] `b` - Backward to start of word
-- [ ] `W` - Forward to start of WORD (whitespace-delimited)
+- [x] `W` - Forward to start of WORD (whitespace-delimited)
-- [ ] `E` - Forward to end of WORD
+- [x] `E` - Forward to end of WORD
 - [ ] `B` - Backward to start of WORD
 - [ ] `ge` - Backward to end of word
 
@@ -22,7 +22,7 @@
 - [x] `$` - Move to end of line
 - [x] `_` - Move to first non-whitespace
 - [x] `^` - Move to first non-whitespace (alias for `_`)
-- [ ] `|` - Move to column N
+- [x] `|` - Move to column N
 
 ### File Movement
 - [x] `G` - Move to bottom of file (or line N with count)
@@ -410,7 +410,7 @@ Buffers are in-memory representations of files. A buffer exists for each open fi
 ### Well Tested
 - [x] Basic motions (h, j, k, l)
 - [x] Word motions (w, e, b)
-- [x] Jump motions (G, gg, 0, $, _, ^)
+- [x] Jump motions (G, gg, 0, $, _, ^, |)
 - [x] Scroll actions (ctrl+u, ctrl+d)
 - [x] Delete operator (d, dd)
 - [x] Yank operator (y, yy)

internal/input/keymap.go

@@ -28,7 +28,9 @@ func NewNormalKeymap() *Keymap {
 			"^":      motion.MoveToLineContentStart{},
 			"|":      motion.MoveToColumn{Count: 0},
 			"w":      motion.MoveForwardWord{Count: 1},
+			"W":      motion.MoveForwardWORD{Count: 1},
 			"e":      motion.MoveForwardWordEnd{Count: 1},
+			"E":      motion.MoveForwardWORDEnd{Count: 1},
 			"b":      motion.MoveBackwardWord{Count: 1},
 			"ctrl+u": motion.ScrollUpHalfPage{},
 			"ctrl+d": motion.ScrollDownHalfPage{},
@@ -74,7 +76,9 @@ func NewVisualKeymap() *Keymap {
 			"^":  motion.MoveToLineContentStart{},
 			"|":  motion.MoveToColumn{Count: 0},
 			"w":  motion.MoveForwardWord{Count: 1},
+			"W":  motion.MoveForwardWORD{Count: 1},
 			"e":  motion.MoveForwardWordEnd{Count: 1},
+			"E":  motion.MoveForwardWORDEnd{Count: 1},
 			"b":  motion.MoveBackwardWord{Count: 1},
 		},
 		operators: map[string]action.Operator{

internal/motion/word.go

@@ -64,6 +64,45 @@ func nextWordStart(m action.Model, x, y int) (int, int) {
 	return x, y
 }
 
+func nextWORDStart(m action.Model, x, y int) (int, int) {
+	line := m.Line(y)
+
+	// Skip current WORD (all non-whitespace is one class for W)
+	for x < len(line) && line[x] != ' ' && line[x] != '\t' {
+		x++
+	}
+
+	// Skip whitespace and cross lines if needed
+	for {
+		// Walk over white space
+		for x < len(line) && (line[x] == ' ' || line[x] == '\t') {
+			x++
+		}
+
+		// Were on the new word, nothing else to do (no lines to cross
+		if x < len(line) {
+			break
+		}
+
+		// If next line is the end of the file, exit now
+		if y+1 >= m.LineCount() {
+			return x, y
+		}
+
+		// Move to first char of next line
+		y++
+		line = m.Line(y)
+		x = 0
+
+		// If the first char of the new line is no whitespace, stay here!
+		if len(line) > 0 && line[0] != ' ' && line[0] != '\t' {
+			break
+		}
+	}
+
+	return x, y
+}
+
 func nextWordEnd(m action.Model, x, y int) (int, int) {
 	line := m.Line(y)
 
@@ -121,6 +160,54 @@ func nextWordEnd(m action.Model, x, y int) (int, int) {
 	return x, y
 }
 
+func nextWORDEnd(m action.Model, x, y int) (int, int) {
+	line := m.Line(y)
+
+	// Advance once to avoid being stuck on the current end
+	x++
+	if x >= len(line) {
+		// At last line of file, pin cursor to end of file
+		if y+1 >= m.LineCount() {
+			return len(line) - 1, y
+		}
+
+		// Otherwise, move to next line
+		y++
+		x = 0
+		line = m.Line(y)
+	}
+
+	// Skip whitespace and cross lines if needed
+	for {
+		// Walk over white space
+		for x < len(line) && (line[x] == ' ' || line[x] == '\t') {
+			x++
+		}
+
+		// Were on the new word, nothing else to do (no lines to cross
+		if x < len(line) {
+			break
+		}
+
+		// If next line is the end of the file, exit now
+		if y+1 >= m.LineCount() {
+			return x, y
+		}
+
+		// Move to first char of next line
+		y++
+		line = m.Line(y)
+		x = 0
+	}
+
+	// Move to end of current WORD (all non-whitespace is one class)
+	for x+1 < len(line) && line[x+1] != ' ' && line[x+1] != '\t' {
+		x++
+	}
+
+	return x, y
+}
+
 func prevWordStart(m action.Model, x, y int) (int, int) {
 	line := m.Line(y)
 
@@ -193,6 +280,28 @@ func (a MoveForwardWord) WithCount(n int) action.Action {
 	return MoveForwardWord{Count: n}
 }
 
+// MoveForwardWORD implements Motion (W) - charwise
+type MoveForwardWORD struct {
+	Count int
+}
+
+func (a MoveForwardWORD) Execute(m action.Model) tea.Cmd {
+	x := m.CursorX()
+	y := m.CursorY()
+	for i := 0; i < a.Count; i++ {
+		x, y = nextWORDStart(m, x, y)
+	}
+	m.SetCursorX(x)
+	m.SetCursorY(y)
+	return nil
+}
+
+func (a MoveForwardWORD) Type() action.MotionType { return action.CharwiseExclusive }
+
+func (a MoveForwardWORD) WithCount(n int) action.Action {
+	return MoveForwardWORD{Count: n}
+}
+
 // MoveForwardWordEnd implements Motion (e) - charwise
 type MoveForwardWordEnd struct {
 	Count int
@@ -215,6 +324,28 @@ func (a MoveForwardWordEnd) WithCount(n int) action.Action {
 	return MoveForwardWordEnd{Count: n}
 }
 
+// MoveForwardWORDEnd implements Motion (E) - charwise
+type MoveForwardWORDEnd struct {
+	Count int
+}
+
+func (a MoveForwardWORDEnd) Execute(m action.Model) tea.Cmd {
+	x := m.CursorX()
+	y := m.CursorY()
+	for i := 0; i < a.Count; i++ {
+		x, y = nextWORDEnd(m, x, y)
+	}
+	m.SetCursorX(x)
+	m.SetCursorY(y)
+	return nil
+}
+
+func (a MoveForwardWORDEnd) Type() action.MotionType { return action.CharwiseInclusive }
+
+func (a MoveForwardWORDEnd) WithCount(n int) action.Action {
+	return MoveForwardWORDEnd{Count: n}
+}
+
 // MoveBackwardWord implements Motion (b) - charwise
 type MoveBackwardWord struct {
 	Count int