Split code and add breadcrumb nav

1 files changed, 91 insertions, 0 deletions

diff --git a/html.c b/html.c
new file mode 100644
index 0000000..ad80b6f
--- /dev/null
+++ b/html.c
@@ -0,0 +1,91 @@
+/* Copyright (C) 2020  C. McEnroe <june@causal.agency>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sysexits.h>
+
+#include "server.h"
+
+const char *htmlStylesheet;
+
+static enum kcgi_err stylesheet(struct khtmlreq *html) {
+	if (!htmlStylesheet) return KCGI_OK;
+	return khtml_attr(
+		html, KELEM_LINK,
+		KATTR_REL, "stylesheet",
+		KATTR_HREF, htmlStylesheet,
+		KATTR__MAX
+	);
+}
+
+enum kcgi_err htmlHead(struct khtmlreq *html, const char *title) {
+	return khtml_elem(html, KELEM_DOCTYPE)
+		|| khtml_attr(html, KELEM_META, KATTR_CHARSET, "utf-8", KATTR__MAX)
+		|| khtml_elem(html, KELEM_TITLE)
+		|| khtml_puts(html, title)
+		|| khtml_closeelem(html, 1)
+		|| stylesheet(html)
+		|| khtml_elem(html, KELEM_H1)
+		|| khtml_puts(html, title)
+		|| khtml_closeelem(html, 1);
+}
+
+enum kcgi_err
+htmlNav(struct khtmlreq *html, const char *network, const char *context) {
+	enum kcgi_err error = 0
+		|| khtml_elem(html, KELEM_NAV)
+		|| khtml_elem(html, KELEM_OL)
+		|| khtml_elem(html, KELEM_LI)
+		|| khtml_attr(html, KELEM_A, KATTR_HREF, Pages[Networks], KATTR__MAX)
+		|| khtml_puts(html, "Networks")
+		|| khtml_closeelem(html, 2);
+	if (error) return error;
+
+	if (network) {
+		char *href = khttp_urlpart(
+			NULL, NULL, Pages[Contexts],
+			Keys[Network].name, network,
+			NULL
+		);
+		if (!href) err(EX_OSERR, "khttp_urlpart");
+		error = 0
+			|| khtml_elem(html, KELEM_LI)
+			|| khtml_attr(html, KELEM_A, KATTR_HREF, href, KATTR__MAX)
+			|| khtml_puts(html, network)
+			|| khtml_closeelem(html, 2);
+		if (error) return error;
+	}
+
+	if (network && context) {
+		char *href = khttp_urlpart(
+			NULL, NULL, Pages[Events],
+			Keys[Network].name, network,
+			Keys[Context].name, context,
+			NULL
+		);
+		if (!href) err(EX_OSERR, "khttp_urlpart");
+		error = 0
+			|| khtml_elem(html, KELEM_LI)
+			|| khtml_attr(html, KELEM_A, KATTR_HREF, href, KATTR__MAX)
+			|| khtml_puts(html, context)
+			|| khtml_closeelem(html, 2);
+		if (error) return error;
+	}
+
+	return khtml_closeelem(html, 2);
+}