"refactor(common): 重构序列化工具包，将serialize重命名为utils并添加bitset组件"

common/utils/log/straight_separator.go

@@ -0,0 +1,36 @@
+// Copyright 2012 Apcera Inc. All rights reserved.
+
+package termtables
+
+import (
+	"strings"
+	"unicode/utf8"
+)
+
+// A StraightSeparator is a horizontal line with associated information about
+// what sort of position it takes in the table, so as to control which shapes
+// will be used where vertical lines are expected to touch this horizontal
+// line.
+type StraightSeparator struct {
+	where lineType
+}
+
+// Render returns a string representing this separator, with all border
+// crossings appropriately chosen.
+func (s *StraightSeparator) Render(style *renderStyle) string {
+	// loop over getting dashes
+	width := 0
+	for i := 0; i < style.columns; i++ {
+		width += style.PaddingLeft + style.CellWidth(i) + style.PaddingRight + utf8.RuneCountInString(style.BorderI)
+	}
+
+	switch s.where {
+	case LINE_TOP:
+		return style.BorderTopLeft + strings.Repeat(style.BorderX, width-1) + style.BorderTopRight
+	case LINE_INNER, LINE_SUBTOP:
+		return style.BorderLeft + strings.Repeat(style.BorderX, width-1) + style.BorderRight
+	case LINE_BOTTOM:
+		return style.BorderBottomLeft + strings.Repeat(style.BorderX, width-1) + style.BorderBottomRight
+	}
+	panic("not reached")
+}