honk/vendor/humungus.tedunangst.com/r/webs/rss/rss.go
2022-11-13 16:19:53 +01:00

87 lines
2.4 KiB
Go

//
// Copyright (c) 2018 Ted Unangst <tedu@tedunangst.com>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
// types for making an rss feed
package rss
import (
"encoding/xml"
"io"
)
type header struct {
XMLName xml.Name `xml:"rss"`
Version string `xml:"version,attr"`
Feed *Feed
}
type Feed struct {
XMLName xml.Name `xml:"channel"`
Title string `xml:"title"`
Link string `xml:"link"`
Description string `xml:"description"`
ManagingEditor string `xml:"managingEditor,omitempty"`
PubDate string `xml:"pubDate,omitempty"`
LastBuildDate string `xml:"lastBuildDate,omitempty"`
TTL int `xml:"ttl,omitempty"`
Image *Image
Items []*Item
}
type Image struct {
XMLName xml.Name `xml:"image"`
URL string `xml:"url"`
Title string `xml:"title"`
Link string `xml:"link"`
}
type Item struct {
XMLName xml.Name `xml:"item"`
Title string `xml:"title"`
Description CData `xml:"description"`
Author string `xml:"author,omitempty"`
Category []string `xml:"category"`
Link string `xml:"link"`
PubDate string `xml:"pubDate"`
Guid *Guid
Source *Source
}
type Guid struct {
XMLName xml.Name `xml:"guid"`
IsPermaLink bool `xml:"isPermaLink,attr"`
Value string `xml:",chardata"`
}
type Source struct {
XMLName xml.Name `xml:"source"`
URL string `xml:"url,attr"`
Title string `xml:",chardata"`
}
type CData struct {
Data string `xml:",cdata"`
}
// Write the Feed as XML.
func (fd *Feed) Write(w io.Writer) error {
r := header{Version: "2.0", Feed: fd}
io.WriteString(w, xml.Header)
enc := xml.NewEncoder(w)
enc.Indent("", " ")
err := enc.Encode(r)
io.WriteString(w, "\n")
return err
}