From e02ec068629bf1ce5c534432ae40479337cedfc4 Mon Sep 17 00:00:00 2001
From: Jose Antonio Ortega Ruiz <jao@gnu.org>
Date: Sun, 29 Apr 2001 12:56:41 +0000
Subject: config file handling added

---
 mixgtk/mixgtk_config.c | 149 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 mixgtk/mixgtk_config.c

(limited to 'mixgtk/mixgtk_config.c')

diff --git a/mixgtk/mixgtk_config.c b/mixgtk/mixgtk_config.c
new file mode 100644
index 0000000..b886238
--- /dev/null
+++ b/mixgtk/mixgtk_config.c
@@ -0,0 +1,149 @@
+/* -*-c-*- -------------- mixgtk_config.c :
+ * Implementation of the functions declared in mixgtk_config.h
+ * ------------------------------------------------------------------
+ *  Last change: Time-stamp: "2001-04-29 14:53:06 jao"
+ * ------------------------------------------------------------------
+ * Copyright (C) 2001 Free Software Foundation, Inc.
+ *  
+ * This program 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 2 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 General Public License for more details.
+ *  
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *  
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include "mixgtk.h"
+#include "mixgtk_config.h"
+
+#define CONFIG_FILENAME  "config"
+#define COMMENT_PREFIX '#'
+#define AUTOSAVE_FLAG "Autosave"
+
+static GHashTable *items_;
+static gchar *config_ = NULL;
+static gboolean autosave_ = FALSE;
+
+/* load configuration */
+gboolean
+mixgtk_config_load (void)
+{
+  const gchar *autosave;
+  FILE *f;
+  gchar *mixdir = g_strdup_printf ("%s/%s", g_get_home_dir (), MIXGTK_FILES_DIR);
+  int k = mkdir (mixdir, S_IRWXU | S_IRWXG | S_IRWXO);
+  if (!k) g_message ("Configuration directory %s created\n", mixdir);
+  config_ = g_strdup_printf ("%s/%s", mixdir, CONFIG_FILENAME);
+  items_ = g_hash_table_new (g_str_hash, g_str_equal);
+  f = fopen (config_, "r");
+  if (f != NULL)
+    {
+      enum {LEN = 256};
+      gchar buffer[LEN];
+      gchar *line = buffer;
+      while (!feof (f))
+	{
+	  line = fgets (line, LEN, f);
+	  if (line) line = g_strstrip (line);
+	  if (line && line[0] != COMMENT_PREFIX)
+	    {
+	      gchar **vals = g_strsplit (line, "=", 2);
+	      g_hash_table_insert (items_,
+				   (gpointer)g_strdup (g_strstrip (vals[0])),
+				   (gpointer)g_strdup (g_strstrip (vals[1])));
+	      g_strfreev (vals);
+	    }
+	}
+      fclose (f);
+    }
+      
+  autosave = mixgtk_config_get (AUTOSAVE_FLAG);
+  autosave_ = autosave && !g_strcasecmp (autosave, "True");
+  g_free (mixdir);
+  return TRUE;
+}
+
+/* autosave state */
+gboolean
+mixgtk_config_is_autosave (void)
+{
+  return autosave_;
+}
+
+void
+mixgtk_config_set_autosave (gboolean autosave)
+{
+  if (autosave != autosave_)
+    {
+      mixgtk_config_update (AUTOSAVE_FLAG, autosave? "True" : "False");
+      autosave_ = autosave;
+    }
+}
+
+/* update config item */
+void
+mixgtk_config_update (const gchar *key, const gchar *value)
+{
+  gpointer tmp = NULL;
+  
+  g_return_if_fail (key != NULL);
+  g_return_if_fail (value != NULL);
+  
+  tmp = g_hash_table_lookup (items_, key);
+  if (tmp)
+    {
+      g_free (tmp);
+      tmp = (gpointer)key;
+    }
+  else
+    {
+      tmp = (gpointer)g_strdup (key);
+    }
+  
+  g_hash_table_insert (items_, tmp, g_strdup (value));
+}
+
+/* get config item */
+const gchar *
+mixgtk_config_get (const gchar *key)
+{
+  return (const gchar*)g_hash_table_lookup (items_, key);
+}
+
+
+/* save configuration */
+static void
+save_ (gpointer key, gpointer value, gpointer file)
+{
+  fprintf ((FILE *)file, "%s=%s\n", (char *)key, (char *)value);
+}
+
+void
+mixgtk_config_save (void)
+{
+  FILE *f = fopen (config_, "w");
+  if (!f)
+    {
+      g_warning ("Unable to open config file %s (%s)",
+		 config_, g_strerror (errno));
+      return;
+    }
+  g_hash_table_foreach (items_, save_, (gpointer)f);
+  fclose (f);
+}
+
+  
+
-- 
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