First implementation of an atom feed

plainText.go

@@ -0,0 +1,23 @@
+package atomfeed
+
+import "errors"
+
+type PlainText struct {
+	*CommonAttributes
+	Type string `xml:"type,attr,omitempty"` // Must be text or html
+	Text string `xml:"text"`
+}
+
+func (p *PlainText) IsText() bool { return true }
+
+func (p *PlainText) Check() error {
+	if p.Type != "" && p.Type != "text" && p.Type != "html" {
+		return errors.New("type attribute of plain text must be text or html if not omitted")
+	}
+
+	if p.Text == "" {
+		return errors.New("text element of plain text empty")
+	}
+
+	return nil
+}