src/config.[ch]: New files

3 files changed, 157 insertions, 0 deletions

diff --git a/src/config.c b/src/config.c
new file mode 100644
index 0000000..ef9a4a7
--- /dev/null
+++ b/src/config.c
@@ -0,0 +1,120 @@
+/*
+ * Application configuration
+ *
+ * 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 <string.h>
+#include <stdlib.h>
+
+#include <glib.h>
+
+#include "config.h"
+
+typedef enum {
+	TYPE_BOOLEAN,
+} Type;
+
+typedef struct {
+	Type   type;
+	GList *callbacks;
+} ConfigItem;
+
+static void
+split_name(const gchar *name, gchar **group, gchar **key)
+{
+	*group = g_strdup(name);
+	*key = strchr(*group, '.');
+	*(key[0]) = '\0';
+	++*key;
+}
+
+static void
+set_boolean(MqConfig *config, const gchar *name, gboolean value)
+{
+	gchar *group;
+	gchar *key;
+
+	split_name(name, &group, &key);
+
+	g_key_file_set_boolean(config->key_file, group, name, value);
+
+	if (!config->types_and_cbs_set) {
+		g_hash_table_insert(config->types_and_cbs, g_strdup(name),
+			TYPE_BOOLEAN);
+	}
+}
+
+static void
+set_defaults(MqConfig *config)
+{
+	config->types_and_cbs_set = FALSE;
+
+
+	config->types_and_cbs_set = TRUE;
+}
+
+MqConfig *
+mq_config_new(const gchar *profile)
+{
+	MqConfig *config;
+
+	config = malloc(sizeof(*config));
+
+	config->file_name = g_strdup_printf("%s/%s/config",
+		g_get_user_config_dir(), profile);
+	config->key_file = g_key_file_new();
+	config->types_and_cbs = g_hash_table_new(g_str_hash, g_int_equal);
+	set_defaults(config);
+
+	return config;
+}
+
+gboolean
+mq_config_load(MqConfig *config)
+{
+	/* TODO: Handle parsing and ENOENT errors differently? */
+	return g_key_file_load_from_file(config->key_file, config->file_name,
+		G_KEY_FILE_KEEP_COMMENTS | G_KEY_FILE_KEEP_TRANSLATIONS, NULL);
+}
+
+gboolean
+mq_config_save(MqConfig *config)
+{
+	/* TODO: Handle GFileError? */
+	return g_key_file_save_to_file(config->key_file, config->file_name,
+		NULL);
+}
+
+void
+mq_config_set(MqConfig *config, const gchar *name, const gchar *value)
+{
+	ConfigItem *item;
+
+	item = g_hash_table_lookup(config->types_and_cbs, name);
+	g_assert(item);
+
+	switch (item->type) {
+		case TYPE_BOOLEAN:
+			/* value is "on" or "off" (as implemented in
+			 * mq_html_input_checkbox()). */
+			set_boolean(config, name, value[1] == 'n' ? TRUE :
+				FALSE);
+			break;
+	}
+}
diff --git a/src/config.h b/src/config.h
new file mode 100644
index 0000000..281319f
--- /dev/null
+++ b/src/config.h
@@ -0,0 +1,36 @@
+/*
+ * Application configuration
+ *
+ * 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/>.
+ */
+
+typedef struct MqConfig MqConfig;
+
+#ifndef MQ_CONFIG_H
+#define MQ_CONFIG_H
+
+#include <glib.h>
+
+struct MqConfig {
+	gchar      *file_name;
+	GKeyFile   *key_file;
+	gboolean    types_and_cbs_set;
+	GHashTable *types_and_cbs;
+};
+
+#endif
diff --git a/src/local.mk b/src/local.mk
index 0ffd545..bee2a35 100644
--- a/src/local.mk
+++ b/src/local.mk
@@ -1,6 +1,7 @@
 marquee_SOURCES += \
 	%reldir%/main.c \
 	%reldir%/application.c \
+	%reldir%/config.c \
 	%reldir%/window.c \
 	%reldir%/tab.c \
 	%reldir%/tab-chrome.c \