Add NewContent

content.go

@@ -1,8 +1,34 @@
 package atomfeed
 
+import (
+	"fmt"
+)
+
+const (
+	InlineText = iota
+	InlineXHTML
+	InlineOther
+	OutOfLine
+)
+
 type Content interface {
 	isContent() bool
 	hasSRC() bool
 	getType() string
 	Check() error
 }
+
+func NewContent(contentType int, mediaType string, content any) (Content, error) {
+	switch contentType {
+	case 0:
+		return newInlineTextContent(mediaType, content)
+	case 1:
+		return newInlineXHTMLContent(mediaType, content)
+	case 2:
+		return newInlineOtherContent(mediaType, content)
+	case 3:
+		return newOutOfLineContent(mediaType, content)
+	default:
+		return nil, fmt.Errorf("%v is not a valid text type", contentType)
+	}
+}