From 6e86eee5fca769fcabb4a8fc1059e8844b4ca3b2 Mon Sep 17 00:00:00 2001
From: Lucidiot <lucidiot@protonmail.com>
Date: Mon, 5 Apr 2021 22:59:33 +0200
Subject: [PATCH] Add RSS 3.0 support

---
 img/rss3.gif           | Bin 0 -> 935 bytes
 jq/convert/rss2rss3.jq |  35 +++++++++++++++++++++++++++++++++++
 xslt/itsb.xsl          |  10 +++++++++-
 3 files changed, 44 insertions(+), 1 deletion(-)
 create mode 100644 img/rss3.gif
 create mode 100644 jq/convert/rss2rss3.jq

diff --git a/img/rss3.gif b/img/rss3.gif
new file mode 100644
index 0000000000000000000000000000000000000000..9b1fc636dc4c7810f3ca2317fd96b32cf81d762e
GIT binary patch
literal 935
zcmZ?wbhEHbRAJy__|Cwf$j4|e#aL_1G~bc=e;UJ+a=rhv!vCLG^8eY@|Ns9pjDpb+
z7}g=6_>+Z^f#E-c4#=0FJi)-x!XPLk;jv-C!DbGAF$0GM3lFyoD0}s2G(0@gEuk5e
zGh;!rd%K))!xxL7Cx^TE?S+1<n6%V$y0)*Gi{+%n9#c(KAE`K8UUq(hYU(eWorY>B
z7kCt()8P_+bZ&-b>$euJtxwNR4_~R*8zsELcaFQP-&v2aM>jTQr1Nnc*tYie_JYTU
JSOo+atN{-uPm=%u

literal 0
HcmV?d00001

diff --git a/jq/convert/rss2rss3.jq b/jq/convert/rss2rss3.jq
new file mode 100644
index 0000000..868c987
--- /dev/null
+++ b/jq/convert/rss2rss3.jq
@@ -0,0 +1,35 @@
+# RSS 2.0 to RSS 3.0 converter
+# Expects xmltodict JSON output, returns an RSS 3.0 feed
+
+def ensure_array: (. // []) | if type == "array" then . else [.] end;
+def ensure_string: if type == "array" then .[0] else . end | if type == "object" then .["#text"] else . end;
+
+.rss.channel
+| [{
+    "title": .title,
+    "link": .link,
+    "description": .description,
+    "generator": .generator,
+    "last-modified": .pubDate,
+    "language": .language,
+    "rights": .copyright,
+    "creator": (.managingEditor // .webMaster),
+    "errorsto": "lucidiot@brainshit.fr"
+}] + [.item | ensure_array[] | {
+    "title": .title,
+    "link": .link,
+    "description": .description,
+    "creator": .author,
+    "last-modified": .pubDate,
+    "guid": .guid,
+    "uri": (if (.guid|type) == "string" or .guid?["@isPermaLink"] != "false" then .guid else null end)
+}]
+| map([
+    map_values(ensure_string)
+    | to_entries[]
+    | select(.value | . != null and length)
+    | "\(.key): \(.value)"
+    # Ensure there are spaces after all newlines
+    | gsub("\n"; "\n ")
+] | join("\n"))
+| join("\n\n")
diff --git a/xslt/itsb.xsl b/xslt/itsb.xsl
index 3bfa3f7..3d06cbb 100644
--- a/xslt/itsb.xsl
+++ b/xslt/itsb.xsl
@@ -102,6 +102,10 @@
       <xsl:with-param name="format" select="'echo'" />
       <xsl:with-param name="extension" select="'xml'" />
     </xsl:call-template>
+    <xsl:call-template name="converter">
+      <xsl:with-param name="format" select="'rss3'" />
+      <xsl:with-param name="extension" select="'txt'" />
+    </xsl:call-template>
   </xsl:template>
   
   <xsl:template name="converter">
@@ -182,9 +186,13 @@
             <xsl:text>.json</xsl:text>
           </arg>
         </xsl:if>
+
+        <xsl:if test="$format = 'rss3'">
+          <xsl:attribute name="raw-output">true</xsl:attribute>
+        </xsl:if>
       </jq>
 
-      <xsl:if test="$format != 'json'">
+      <xsl:if test="$format != 'json' and $format != 'rss3'">
         <json2xml short-empty="true" />
       </xsl:if>