From 1a17ad48876172fadb6782f1edee2058819770dc Mon Sep 17 00:00:00 2001
From: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Mon, 25 Jan 2021 19:27:04 +0100
Subject: sfeed_update: add an overridable parse() function, using sfeed(1) by
 default

This can be useful to make more cleanly make connector scripts.
This does not necesarily even have to be in the sfeed(5) format.
---
 sfeed_update |  8 +++++++-
 sfeedrc.5    | 15 ++++++++++++++-
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/sfeed_update b/sfeed_update
index 3cf575c..ff9a44a 100755
--- a/sfeed_update
+++ b/sfeed_update
@@ -55,6 +55,12 @@ convertencoding() {
 	fi
 }
 
+# parse and convert input, by default XML to the sfeed(5) TSV format.
+# parse(name, feedurl, basesiteurl)
+parse() {
+	sfeed "$3"
+}
+
 # filter fields.
 # filter(name)
 filter() {
@@ -115,7 +121,7 @@ feed() {
 	fi
 	rm -f "${tmpfeedfile}.fetch"
 
-	if ! sfeed "${basesiteurl}" < "${tmpfeedfile}.utf8" > "${tmpfeedfile}.tsv"; then
+	if ! parse "${name}" "${feedurl}" "${basesiteurl}" < "${tmpfeedfile}.utf8" > "${tmpfeedfile}.tsv"; then
 		log "${name}" "FAIL (CONVERT)"
 		return
 	fi
diff --git a/sfeedrc.5 b/sfeedrc.5
index 12c8f87..93863ff 100644
--- a/sfeedrc.5
+++ b/sfeedrc.5
@@ -1,4 +1,4 @@
-.Dd January 11, 2021
+.Dd January 24, 2021
 .Dt SFEEDRC 5
 .Os
 .Sh NAME
@@ -86,6 +86,19 @@ To text-encoding.
 By default the tool
 .Xr iconv 1
 is used.
+.It Fn parse "name" "feedurl" "basesiteurl"
+Parse and convert RSS/Atom XML to the
+.Xr sfeed 5
+TSV format.
+.Bl -tag -width Ds
+.It Fa name
+Name of the feed.
+.It Fa feedurl
+Url of the feed.
+.It Fa basesiteurl
+Baseurl of the feed links.
+This argument allows to fix relative item links.
+.El
 .It Fn filter "name"
 Filter
 .Xr sfeed 5
-- 
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