feat: Docx implements io.WriterTo

apitext.go

@@ -1,5 +1,7 @@
 package docxlib
 
+import "strings"
+
 // AddText adds text to paragraph
 func (p *Paragraph) AddText(text string) *Run {
 	t := &Text{
@@ -15,3 +17,30 @@ func (p *Paragraph) AddText(text string) *Run {
 
 	return run
 }
+
+func (p *Paragraph) String() string {
+	sb := strings.Builder{}
+	for _, c := range p.Children {
+		switch {
+		case c.Link != nil:
+			id := c.Link.ID
+			text := c.Link.Run.InstrText
+			link, err := p.file.Refer(id)
+			sb.WriteString(text)
+			sb.WriteByte('(')
+			if err != nil {
+				sb.WriteString(id)
+			} else {
+				sb.WriteString(link)
+			}
+			sb.WriteByte(')')
+		case c.Run != nil:
+			sb.WriteString("run") //TODO: implement
+		case c.Properties != nil:
+			sb.WriteString("prop") //TODO: implement
+		default:
+			continue
+		}
+	}
+	return sb.String()
+}