reorganizing server-related packages

src/server/opml/read.go

@@ -0,0 +1,49 @@
+package opml
+
+import (
+	"encoding/xml"
+	"io"
+)
+
+type opml struct {
+	XMLName  xml.Name  `xml:"opml"`
+	Outlines []outline `xml:"body>outline"`
+}
+
+type outline struct {
+	Type     string    `xml:"type,attr,omitempty"`
+	Title    string    `xml:"text,attr"`
+	FeedUrl  string    `xml:"xmlUrl,attr,omitempty"`
+	SiteUrl  string    `xml:"htmlUrl,attr,omitempty"`
+	Outlines []outline `xml:"outline,omitempty"`
+}
+
+func buildFolder(title string, outlines []outline) Folder {
+	folder := Folder{Title: title}
+	for _, outline := range outlines {
+		if outline.Type == "rss" {
+			folder.Feeds = append(folder.Feeds, Feed{
+				Title:   outline.Title,
+				FeedUrl: outline.FeedUrl,
+				SiteUrl: outline.SiteUrl,
+			})
+		} else {
+			subfolder := buildFolder(outline.Title, outline.Outlines)
+			folder.Folders = append(folder.Folders, subfolder)
+		}
+	}
+	return folder
+}
+
+func Parse(r io.Reader) (Folder, error) {
+	val := new(opml)
+	decoder := xml.NewDecoder(r)
+	decoder.Entity = xml.HTMLEntity
+	decoder.Strict = false
+
+	err := decoder.Decode(&val)
+	if err != nil {
+		return Folder{}, err
+	}
+	return buildFolder("", val.Outlines), nil
+}