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date.go
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date.go
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package rss
import (
"fmt"
"strings"
"time"
)
// This is mostly copied from github.com/mmcdole/gofeed
var dateFormats = []string{
time.RFC822, // RSS
time.RFC822Z, // RSS
time.RFC3339, // Atom
time.UnixDate,
time.RubyDate,
time.RFC850,
time.RFC1123Z,
time.RFC1123,
time.ANSIC,
"Mon, January 2 2006 15:04:05 -0700",
"Mon, January 02, 2006, 15:04:05 MST",
"Mon, January 02, 2006 15:04:05 MST",
"Mon, Jan 2, 2006 15:04 MST",
"Mon, Jan 2 2006 15:04 MST",
"Mon, Jan 2, 2006 15:04:05 MST",
"Mon, Jan 2 2006 15:04:05 -700",
"Mon, Jan 2 2006 15:04:05 -0700",
"Mon Jan 2 15:04 2006",
"Mon Jan 2 15:04:05 2006 MST",
"Mon Jan 02, 2006 3:04 pm",
"Mon, Jan 02,2006 15:04:05 MST",
"Mon Jan 02 2006 15:04:05 -0700",
"Monday, January 2, 2006 15:04:05 MST",
"Monday, January 2, 2006 03:04 PM",
"Monday, January 2, 2006",
"Monday, January 02, 2006",
"Monday, 2 January 2006 15:04:05 MST",
"Monday, 2 January 2006 15:04:05 -0700",
"Monday, 2 Jan 2006 15:04:05 MST",
"Monday, 2 Jan 2006 15:04:05 -0700",
"Monday, 02 January 2006 15:04:05 MST",
"Monday, 02 January 2006 15:04:05 -0700",
"Monday, 02 January 2006 15:04:05",
"Mon, 2 January 2006 15:04 MST",
"Mon, 2 January 2006, 15:04 -0700",
"Mon, 2 January 2006, 15:04:05 MST",
"Mon, 2 January 2006 15:04:05 MST",
"Mon, 2 January 2006 15:04:05 -0700",
"Mon, 2 January 2006",
"Mon, 2 Jan 2006 3:04:05 PM -0700",
"Mon, 2 Jan 2006 15:4:5 MST",
"Mon, 2 Jan 2006 15:4:5 -0700 GMT",
"Mon, 2, Jan 2006 15:4",
"Mon, 2 Jan 2006 15:04 MST",
"Mon, 2 Jan 2006, 15:04 -0700",
"Mon, 2 Jan 2006 15:04 -0700",
"Mon, 2 Jan 2006 15:04:05 UT",
"Mon, 2 Jan 2006 15:04:05MST",
"Mon, 2 Jan 2006 15:04:05 MST",
"Mon 2 Jan 2006 15:04:05 MST",
"mon,2 Jan 2006 15:04:05 MST",
"Mon, 2 Jan 2006 15:04:05 -0700 MST",
"Mon, 2 Jan 2006 15:04:05-0700",
"Mon, 2 Jan 2006 15:04:05 -0700",
"Mon, 2 Jan 2006 15:04:05",
"Mon, 2 Jan 2006 15:04",
"Mon,2 Jan 2006",
"Mon, 2 Jan 2006",
"Mon, 2 Jan 15:04:05 MST",
"Mon, 2 Jan 06 15:04:05 MST",
"Mon, 2 Jan 06 15:04:05 -0700",
"Mon, 2006-01-02 15:04",
"Mon,02 January 2006 14:04:05 MST",
"Mon, 02 January 2006",
"Mon, 02 Jan 2006 3:04:05 PM MST",
"Mon, 02 Jan 2006 15 -0700",
"Mon,02 Jan 2006 15:04 MST",
"Mon, 02 Jan 2006 15:04 MST",
"Mon, 02 Jan 2006 15:04 -0700",
"Mon, 02 Jan 2006 15:04:05 Z",
"Mon, 02 Jan 2006 15:04:05 UT",
"Mon, 02 Jan 2006 15:04:05 MST-07:00",
"Mon, 02 Jan 2006 15:04:05 MST -0700",
"Mon, 02 Jan 2006, 15:04:05 MST",
"Mon, 02 Jan 2006 15:04:05MST",
"Mon, 02 Jan 2006 15:04:05 MST",
"Mon , 02 Jan 2006 15:04:05 MST",
"Mon, 02 Jan 2006 15:04:05 GMT-0700",
"Mon,02 Jan 2006 15:04:05 -0700",
"Mon, 02 Jan 2006 15:04:05 -0700",
"Mon, 02 Jan 2006 15:04:05 -07:00",
"Mon, 02 Jan 2006 15:04:05 --0700",
"Mon 02 Jan 2006 15:04:05 -0700",
"Mon, 02 Jan 2006 15:04:05 -07",
"Mon, 02 Jan 2006 15:04:05 00",
"Mon, 02 Jan 2006 15:04:05",
"Mon, 02 Jan 2006",
"Mon, 02 Jan 06 15:04:05 MST",
"January 2, 2006 3:04 PM",
"January 2, 2006, 3:04 p.m.",
"January 2, 2006 15:04:05 MST",
"January 2, 2006 15:04:05",
"January 2, 2006 03:04 PM",
"January 2, 2006",
"January 02, 2006 15:04:05 MST",
"January 02, 2006 15:04",
"January 02, 2006 03:04 PM",
"January 02, 2006",
"Jan 2, 2006 3:04:05 PM MST",
"Jan 2, 2006 3:04:05 PM",
"Jan 2, 2006 15:04:05 MST",
"Jan 2, 2006",
"Jan 02 2006 03:04:05PM",
"Jan 02, 2006",
"6/1/2 15:04",
"6-1-2 15:04",
"2 January 2006 15:04:05 MST",
"2 January 2006 15:04:05 -0700",
"2 January 2006",
"2 Jan 2006 15:04:05 Z",
"2 Jan 2006 15:04:05 MST",
"2 Jan 2006 15:04:05 -0700",
"2 Jan 2006",
"2.1.2006 15:04:05",
"2/1/2006",
"2-1-2006",
"2006 January 02",
"2006-1-2T15:04:05Z",
"2006-1-2 15:04:05",
"2006-1-2",
"2006-1-02T15:04:05Z",
"2006-01-02T15:04Z",
"2006-01-02T15:04-07:00",
"2006-01-02T15:04:05Z",
"2006-01-02T15:04:05-07:00:00",
"2006-01-02T15:04:05:-0700",
"2006-01-02T15:04:05-0700",
"2006-01-02T15:04:05-07:00",
"2006-01-02T15:04:05 -0700",
"2006-01-02T15:04:05:00",
"2006-01-02T15:04:05",
"2006-01-02 at 15:04:05",
"2006-01-02 15:04:05Z",
"2006-01-02 15:04:05 MST",
"2006-01-02 15:04:05-0700",
"2006-01-02 15:04:05-07:00",
"2006-01-02 15:04:05 -0700",
"2006-01-02 15:04",
"2006-01-02 00:00:00.0 15:04:05.0 -0700",
"2006/01/02",
"2006-01-02",
"15:04 02.01.2006 -0700",
"1/2/2006 3:04:05 PM MST",
"1/2/2006 3:04:05 PM",
"1/2/2006 15:04:05 MST",
"1/2/2006",
"06/1/2 15:04",
"06-1-2 15:04",
"02 Monday, Jan 2006 15:04",
"02 Jan 2006 15:04 MST",
"02 Jan 2006 15:04:05 UT",
"02 Jan 2006 15:04:05 MST",
"02 Jan 2006 15:04:05 -0700",
"02 Jan 2006 15:04:05",
"02 Jan 2006",
"02/01/2006 15:04 MST",
"02-01-2006 15:04:05 MST",
"02.01.2006 15:04:05",
"02/01/2006 15:04:05",
"02.01.2006 15:04",
"02/01/2006 - 15:04",
"02.01.2006 -0700",
"02/01/2006",
"02-01-2006",
"01/02/2006 3:04 PM",
"01/02/2006 15:04:05 MST",
"01/02/2006 - 15:04",
"01/02/2006",
"01-02-2006",
}
// ParseDate parses a given date string using a large
// list of commonly found feed date formats.
func parsePubDate(pubDate string) (time.Time, error) {
ds := strings.TrimSpace(pubDate)
if ds == "" {
return time.Time{}, fmt.Errorf("pubDate is empty")
}
for _, f := range dateFormats {
if t, err := time.Parse(f, ds); err == nil {
return t, nil
}
}
return time.Time{}, fmt.Errorf("Failed to parse date: %s", ds)
}