rename packaages

src/parser/rss.go

@@ -0,0 +1,81 @@
+// Parser for RSS versions:
+// - 0.91 netscape
+// - 0.91 userland
+// - 2.0
+package parser
+
+import (
+	"encoding/xml"
+	"io"
+)
+
+type rssFeed struct {
+	XMLName xml.Name  `xml:"rss"`
+	Version string    `xml:"version,attr"`
+	Title   string    `xml:"channel>title"`
+	Link    string    `xml:"channel>link"`
+	Items   []rssItem `xml:"channel>item"`
+}
+
+type rssItem struct {
+	GUID           string         `xml:"guid"`
+	Title          string         `xml:"title"`
+	Link           string         `xml:"link"`
+	Description    string         `xml:"rss description"`
+	PubDate        string         `xml:"pubDate"`
+	EnclosureLinks []rssEnclosure `xml:"enclosure"`
+
+	DublinCoreDate string `xml:"http://purl.org/dc/elements/1.1/ date"`
+	ContentEncoded string `xml:"http://purl.org/rss/1.0/modules/content/ encoded"`
+
+	FeedBurnerLink          string `xml:"http://rssnamespace.org/feedburner/ext/1.0 origLink"`
+	FeedBurnerEnclosureLink string `xml:"http://rssnamespace.org/feedburner/ext/1.0 origEnclosureLink"`
+
+	ItunesSubtitle    string `xml:"http://www.itunes.com/dtds/podcast-1.0.dtd subtitle"`
+	ItunesSummary     string `xml:"http://www.itunes.com/dtds/podcast-1.0.dtd summary"`
+	GoogleDescription string `xml:"http://www.google.com/schemas/play-podcasts/1.0 description"`
+}
+
+type rssLink struct {
+	XMLName xml.Name
+	Data    string `xml:",chardata"`
+	Href    string `xml:"href,attr"`
+	Rel     string `xml:"rel,attr"`
+}
+
+type rssTitle struct {
+	XMLName xml.Name
+	Data    string `xml:",chardata"`
+	Inner   string `xml:",innerxml"`
+}
+
+type rssEnclosure struct {
+	URL    string `xml:"url,attr"`
+	Type   string `xml:"type,attr"`
+	Length string `xml:"length,attr"`
+}
+
+func ParseRSS(r io.Reader) (*Feed, error) {
+	srcfeed := rssFeed{}
+
+	decoder := xmlDecoder(r)
+	decoder.DefaultSpace = "rss"
+	if err := decoder.Decode(&srcfeed); err != nil {
+		return nil, err
+	}
+
+	dstfeed := &Feed{
+		Title:   srcfeed.Title,
+		SiteURL: srcfeed.Link,
+	}
+	for _, srcitem := range srcfeed.Items {
+		dstfeed.Items = append(dstfeed.Items, Item{
+			GUID:    firstNonEmpty(srcitem.GUID, srcitem.Link),
+			Date:    dateParse(firstNonEmpty(srcitem.DublinCoreDate, srcitem.PubDate)),
+			URL:     srcitem.Link,
+			Title:   srcitem.Title,
+			Content: srcitem.Description,
+		})
+	}
+	return dstfeed, nil
+}