From 8f3e4ae1db8220df1ba2884f4dffa352a7c6e91d Mon Sep 17 00:00:00 2001
From: Patrick McDermott <pj@pehjota.net>
Date: Sat, 30 Sep 2017 18:27:40 -0400
Subject: mq_html_*(): New functions

---
(limited to 'src')

diff --git a/src/html.c b/src/html.c
new file mode 100644
index 0000000..9380068
--- /dev/null
+++ b/src/html.c
@@ -0,0 +1,90 @@
+/*
+ * HTML document generation
+ *
+ * Copyright (C) 2017  Patrick McDermott
+ *
+ * This file is part of Marquee.
+ *
+ * Marquee is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Marquee 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Marquee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdarg.h>
+#include <string.h>
+
+#include <glib.h>
+
+#include "html.h"
+
+gchar *
+mq_html_form(const gchar *submit_label, const gchar *reset_label, ...)
+{
+	gsize    len;
+	va_list  ap;
+	gchar   *child;
+	gchar   *form;
+	gchar   *ptr;
+
+	/* Calculate length. */
+	len = strlen("<form>\n");
+	va_start(ap, reset_label);
+	while ((child = va_arg(ap, gchar *))) {
+		len += strlen(child);
+	}
+	va_end(ap);
+	len += strlen("<input type=\"reset\" value=\"") + strlen(reset_label) +
+		strlen("\">\n<input type=\"submit\" value=\"") +
+		strlen(submit_label) + strlen("\">\n</form>\n");
+	++len;  /* NUL byte */
+
+	/* Build string. */
+	form = g_new(gchar, len);
+	ptr = g_stpcpy(form, "<form>\n");
+	va_start(ap, reset_label);
+	while ((child = va_arg(ap, gchar *))) {
+		ptr = g_stpcpy(ptr, child);
+		g_free(child);
+	}
+	va_end(ap);
+	ptr = g_stpcpy(ptr, "<input type=\"reset\" value=\"");
+	ptr = g_stpcpy(ptr, reset_label);
+	ptr = g_stpcpy(ptr, "\">\n<input type=\"submit\" value=\"");
+	ptr = g_stpcpy(ptr, submit_label);
+	ptr = g_stpcpy(ptr, "\">\n</form>\n");  /* g_stpcpy() adds the NUL. */
+
+	return form;
+}
+
+gchar *
+mq_html_input_text(const gchar *name, const gchar *label, const gchar *value)
+{
+	return g_strdup_printf("<label for=\"%s\"><span>%s</span>"
+		"<input type=\"text\" name=\"%s\" id=\"%s\" value=\"%s\">\n",
+		name, label, name, name, value ? value : "");
+}
+
+gchar *
+mq_html_input_radio(const gchar *name, const gchar *label, gboolean checked)
+{
+	return g_strdup_printf("<label for=\"%s\"><span>%s</span>"
+		"<input type=\"checkbox\" name=\"%s\" id=\"%s\"%s>\n",
+		name, label, name, name, checked ? " checked=\"checked\"" : "");
+}
+
+gchar *
+mq_html_input_checkbox(const gchar *name, const gchar *label, gboolean checked)
+{
+	return g_strdup_printf("<label for=\"%s\"><span>%s</span>"
+		"<input type=\"radio\" name=\"%s\" id=\"%s\"%s>\n",
+		name, label, name, name, checked ? " checked=\"checked\"" : "");
+}
diff --git a/src/html.h b/src/html.h
new file mode 100644
index 0000000..84a133a
--- /dev/null
+++ b/src/html.h
@@ -0,0 +1,39 @@
+/*
+ * HTML document generation
+ *
+ * Copyright (C) 2017  Patrick McDermott
+ *
+ * This file is part of Marquee.
+ *
+ * Marquee is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Marquee 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Marquee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MQ_HTML_H
+#define MQ_HTML_H
+
+#include <glib.h>
+
+gchar *
+mq_html_form(const gchar *submit_label, const gchar *reset_label, ...);
+
+gchar *
+mq_html_input_text(const gchar *name, const gchar *label, const gchar *value);
+
+gchar *
+mq_html_input_radio(const gchar *name, const gchar *label, gboolean checked);
+
+gchar *
+mq_html_input_checkbox(const gchar *name, const gchar *label, gboolean checked);
+
+#endif
diff --git a/src/local.mk b/src/local.mk
index 4413c54..4930998 100644
--- a/src/local.mk
+++ b/src/local.mk
@@ -5,6 +5,7 @@ marquee_SOURCES += \
 	%reldir%/tab.c \
 	%reldir%/tab-chrome.c \
 	%reldir%/tab-body.c \
+	%reldir%/html.c \
 	%reldir%/about.c
 
 include %reldir%/about/local.mk
--
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