refactor(common): 重构 bitset 和 log 包

- 移除了 github.com/scylladb/termtables 依赖
- 修改了 bitset 包，移除了未使用的代码和测试
- 修改了 log 包，移除了未使用的代码和测试
- 更新了 go.work 文件，添加了 bitset 和 log 包

common/serialize/log/html.go

@@ -0,0 +1,107 @@
+// Copyright 2013 Apcera Inc. All rights reserved.
+
+package termtables
+
+import (
+	"bytes"
+	"fmt"
+	"html"
+	"strings"
+)
+
+type titleStyle int
+
+const (
+	TitleAsCaption titleStyle = iota
+	TitleAsThSpan
+)
+
+// htmlStyleRules defines attributes which we can use, and might be set on a
+// table by accessors, to influence the type of HTML which is output.
+type htmlStyleRules struct {
+	title titleStyle
+}
+
+// HTML returns an HTML representations of the contents of one row of a table.
+func (r *Row) HTML(tag string, style *renderStyle) string {
+	attrs := make([]string, len(r.cells))
+	elems := make([]string, len(r.cells))
+	for i := range r.cells {
+		if r.cells[i].alignment != nil {
+			switch *r.cells[i].alignment {
+			case AlignLeft:
+				attrs[i] = " align='left'"
+			case AlignCenter:
+				attrs[i] = " align='center'"
+			case AlignRight:
+				attrs[i] = " align='right'"
+			}
+		}
+		elems[i] = html.EscapeString(strings.TrimSpace(r.cells[i].Render(style)))
+	}
+	// WAG as to max capacity, plus a bit
+	buf := bytes.NewBuffer(make([]byte, 0, 8192))
+	buf.WriteString("<tr>")
+	for i := range elems {
+		fmt.Fprintf(buf, "<%s%s>%s</%s>", tag, attrs[i], elems[i], tag)
+	}
+	buf.WriteString("</tr>\n")
+	return buf.String()
+}
+
+func generateHtmlTitleRow(title interface{}, t *Table, style *renderStyle) string {
+	elContent := html.EscapeString(
+		strings.TrimSpace(CreateCell(t.title, &CellStyle{}).Render(style)),
+	)
+
+	switch style.htmlRules.title {
+	case TitleAsCaption:
+		return "<caption>" + elContent + "</caption>\n"
+	case TitleAsThSpan:
+		return fmt.Sprintf("<tr><th style=\"text-align: center\" colspan=\"%d\">%s</th></tr>\n",
+			style.columns, elContent)
+	default:
+		return "<!-- " + elContent + " -->"
+	}
+}
+
+// RenderHTML returns a string representation of a the table, suitable for
+// inclusion as HTML elsewhere.  Primary use-case controlling layout style
+// is for inclusion into Markdown documents, documenting normal table use.
+// Thus we leave the padding in place to have columns align when viewed as
+// plain text and rely upon HTML ignoring extra whitespace.
+func (t *Table) RenderHTML() (buffer string) {
+	// elements is already populated with row data
+
+	// generate the runtime style
+	style := createRenderStyle(t)
+	style.PaddingLeft = 0
+	style.PaddingRight = 0
+
+	// TODO: control CSS styles to suppress border based upon t.Style.SkipBorder
+	rowsText := make([]string, 0, len(t.elements)+6)
+
+	if t.title != nil || t.headers != nil {
+		rowsText = append(rowsText, "<thead>\n")
+		if t.title != nil {
+			rowsText = append(rowsText, generateHtmlTitleRow(t.title, t, style))
+		}
+		if t.headers != nil {
+			rowsText = append(rowsText, CreateRow(t.headers).HTML("th", style))
+		}
+		rowsText = append(rowsText, "</thead>\n")
+	}
+
+	rowsText = append(rowsText, "<tbody>\n")
+	// loop over the elements and render them
+	for i := range t.elements {
+		if row, ok := t.elements[i].(*Row); ok {
+			rowsText = append(rowsText, row.HTML("td", style))
+		} else {
+			rowsText = append(rowsText, fmt.Sprintf("<!-- unable to render line %d, unhandled type -->\n", i))
+		}
+	}
+	rowsText = append(rowsText, "</tbody>\n")
+
+	return "<table class=\"termtable\">\n" + strings.Join(rowsText, "") + "</table>\n"
+}