v0.1.0 initial commit

tui/coverage.go

@@ -0,0 +1,67 @@
+package tui
+
+// Coverage represents count/total for display in tree nodes
+type Coverage struct {
+	Count int
+	Total int
+}
+
+// IsAll returns true if count equals total and total is positive
+func (c Coverage) IsAll() bool {
+	return c.Count == c.Total && c.Total > 0
+}
+
+// IsPartial returns true if count is between zero and total (exclusive)
+func (c Coverage) IsPartial() bool {
+	return c.Count > 0 && c.Count < c.Total
+}
+
+// IsNone returns true if count is zero
+func (c Coverage) IsNone() bool {
+	return c.Count == 0
+}
+
+// String returns coverage as "[count/total]", "[ALL]", or empty string if total is zero
+func (c Coverage) String() string {
+	if c.Total == 0 {
+		return ""
+	}
+	if c.IsAll() {
+		return "[ALL]"
+	}
+	return "[" + intStr(c.Count) + "/" + intStr(c.Total) + "]"
+}
+
+// FormatCoverageSuffix returns a suffix string for TreeNode.Suffix
+func FormatCoverageSuffix(count, total int) string {
+	if total == 0 {
+		return ""
+	}
+	if count == total {
+		return " [ALL]"
+	}
+	return " [" + intStr(count) + "/" + intStr(total) + "]"
+}
+
+// intStr converts int to string without fmt dependency
+func intStr(n int) string {
+	if n == 0 {
+		return "0"
+	}
+	neg := n < 0
+	if neg {
+		n = -n
+	}
+	var buf [20]byte
+	i := len(buf)
+	for n > 0 {
+		i--
+		buf[i] = byte('0' + n%10)
+		n /= 10
+	}
+	if neg {
+		i--
+		buf[i] = '-'
+	}
+	return string(buf[i:])
+}