From b2fada1dd19211d71e04557653d08e697134a6ce Mon Sep 17 00:00:00 2001
From: Erik K <erikk@previousplan.org>
Date: Fri, 13 May 2022 17:24:26 +0000
Subject: initial commit

---
 rss.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 rss.c

(limited to 'rss.c')

diff --git a/rss.c b/rss.c
new file mode 100644
index 0000000..e0f22fe
--- /dev/null
+++ b/rss.c
@@ -0,0 +1,84 @@
+#include <stdlib.h>
+
+#include "config.h"
+#include "sm.h"
+#include "util.h"
+
+extern char kcontentdir[];
+extern char krssexport[];
+extern char krsstitle[];
+extern char krssdescription[];
+extern char krsslink[];
+
+static void rssexport(Document **, int);
+
+Plugin rss = {"rss", rssexport, NULL, 0};
+
+static int
+creatcompar(const Document **d1, const Document **d2)
+{
+	return (*d2)->creat - (*d1)->creat;
+}
+
+static void
+rssexport(Document **doc, int ndoc)
+{
+	char inpath[512];
+	FILE *outf;
+	int i, j;
+
+	char *header[] = { "\
+<?xml version=\"1.0\" encoding=\"utf-8\"?>\n\
+<rss version=\"2.0\" xmlns:atom=\"http://www.w3.org/2005/Atom\">\n\
+\n\
+<channel>\n\
+<title>", krsstitle, "</title>\n\
+<description>", krssdescription, "</description>\n\
+<language>en-us</language>\n\
+<link>", krsslink, "</link>\n\
+<generator>sm-"VERSION"</generator>\n\
+<atom:link href=\"", krsslink, "\" rel=\"self\" type=\"application/rss+xml\" />\n\
+" };
+
+	char *footer[] = { "\
+</channel>\n\
+</rss>\n\
+" };
+
+	char filename[64], title[128], creat[64], link[CLEN];
+	char *itemheader[] = { "\
+<item>\n\
+        <title>", title, "</title>\n\
+        <guid isPermaLink=\"false\">", filename, "</guid>\n\
+        <pubDate>", creat, "</pubDate>\n\
+        <link>", link, "</link>\n\
+        <description><![CDATA[" };
+
+	char *itemfooter[] = { "\
+]]></description>\n\
+</item>\n\
+" };
+
+	qsort(doc, ndoc, sizeof(*doc), (int (*)(const void *, const void *))creatcompar);
+
+	outf = xfopen(krssexport, "w");
+	for (j = 0; j < LEN(header); j++)
+		xfputs(header[j], outf);
+	for (i = 0; i < ndoc; i++) {
+		snprintf(inpath, sizeof(inpath), "%s/%s", kcontentdir,
+				doc[i]->filename);
+		my_strlcpy(filename, doc[i]->filename, sizeof(filename));
+		my_strlcpy(title, doc[i]->title, sizeof(title));
+		strftime(creat, sizeof(creat), "%a, %d %b %Y %H:%M:%S %z",
+				gmtime(&doc[i]->creat));
+		my_strlcpy(link, doc[i]->link, sizeof(link));
+		for (j = 0; j < LEN(itemheader); j++)
+			xfputs(itemheader[j], outf);
+		cat(inpath, outf);
+		for (j = 0; j < LEN(itemfooter); j++)
+			xfputs(itemfooter[j], outf);
+	}
+	for (j = 0; j < LEN(footer); j++)
+		xfputs(footer[j], outf);
+	fclose(outf);
+}
-- 
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