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[gnome-color-manager] Add a GcmDmi object to parse DMI data about the host machine

commit e4683b90160a8fc70c5b5b24cecdf29c674c8c65
Author: Richard Hughes <richard hughsie com>
Date:   Sun Nov 29 21:04:15 2009 +0000

    Add a GcmDmi object to parse DMI data about the host machine

 src/Makefile.am     |    3 +
 src/gcm-dmi.c       |  242 +++++++++++++++++++++++++++++++++++++++++++++++++++
 src/gcm-dmi.h       |   63 +++++++++++++
 src/gcm-self-test.c |    2 +
 4 files changed, 310 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 76796f2..c6b219b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -26,6 +26,8 @@ libgcmshared_a_SOURCES =				\
 	gcm-clut.h					\
 	gcm-edid.c					\
 	gcm-edid.h					\
+	gcm-dmi.c					\
+	gcm-dmi.h					\
 	gcm-tables.c					\
 	gcm-tables.h					\
 	gcm-xserver.c					\
@@ -168,6 +170,7 @@ gcm_self_test_SOURCES =					\
 	gcm-profile.c					\
 	gcm-brightness.c				\
 	gcm-clut.c					\
+	gcm-dmi.c					\
 	egg-test.h					\
 	egg-test.c					\
 	$(NULL)
diff --git a/src/gcm-dmi.c b/src/gcm-dmi.c
new file mode 100644
index 0000000..ed48ea9
--- /dev/null
+++ b/src/gcm-dmi.c
@@ -0,0 +1,242 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2009 Richard Hughes <richard hughsie com>
+ *
+ * Licensed under the GNU General Public License Version 2
+ *
+ * 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 dmi.
+ *
+ * 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.
+ */
+
+/**
+ * SECTION:gcm-dmi
+ * @short_description: DMI parsing object
+ *
+ * This object parses DMI data blocks.
+ */
+
+#include "config.h"
+
+#include <glib-object.h>
+#include <math.h>
+#include <string.h>
+#include <gio/gio.h>
+#include <stdlib.h>
+
+#include "gcm-dmi.h"
+#include "gcm-tables.h"
+
+#include "egg-debug.h"
+
+static void     gcm_dmi_finalize	(GObject     *object);
+
+#define GCM_DMI_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GCM_TYPE_DMI, GcmDmiPrivate))
+
+/**
+ * GcmDmiPrivate:
+ *
+ * Private #GcmDmi data
+ **/
+struct _GcmDmiPrivate
+{
+	gchar				*product_name;
+	gchar				*product_version;
+};
+
+enum {
+	PROP_0,
+	PROP_PRODUCT_NAME,
+	PROP_PRODUCT_VERSION,
+	PROP_LAST
+};
+
+G_DEFINE_TYPE (GcmDmi, gcm_dmi, G_TYPE_OBJECT)
+
+/**
+ * gcm_dmi_get_data:
+ **/
+static gchar *
+gcm_dmi_get_data (const gchar *filename)
+{
+	gboolean ret;
+	GError *error = NULL;
+	gchar *data = NULL;
+
+	/* get the contents */
+	ret = g_file_get_contents (filename, &data, NULL, &error);
+	if (!ret) {
+		egg_warning ("failed to get contents of %s: %s", filename, error->message);
+		g_error_free (error);
+	}
+
+	/* get rid of the newline */
+	if (data != NULL)
+		g_strdelimit (data, "\n", '\0');
+
+	return data;
+}
+
+/**
+ * gcm_dmi_get_property:
+ **/
+static void
+gcm_dmi_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+	GcmDmi *dmi = GCM_DMI (object);
+	GcmDmiPrivate *priv = dmi->priv;
+
+	switch (prop_id) {
+	case PROP_PRODUCT_NAME:
+		if (priv->product_name == NULL)
+			priv->product_name = gcm_dmi_get_data ("/sys/class/dmi/id/product_name");
+		g_value_set_string (value, priv->product_name);
+		break;
+	case PROP_PRODUCT_VERSION:
+		if (priv->product_version == NULL)
+			priv->product_version = gcm_dmi_get_data ("/sys/class/dmi/id/product_version");
+		g_value_set_string (value, priv->product_version);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+/**
+ * gcm_dmi_set_property:
+ **/
+static void
+gcm_dmi_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+	switch (prop_id) {
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+/**
+ * gcm_dmi_class_init:
+ **/
+static void
+gcm_dmi_class_init (GcmDmiClass *klass)
+{
+	GParamSpec *pspec;
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+	object_class->finalize = gcm_dmi_finalize;
+	object_class->get_property = gcm_dmi_get_property;
+	object_class->set_property = gcm_dmi_set_property;
+
+	/**
+	 * GcmDmi:product-name:
+	 */
+	pspec = g_param_spec_string ("product-name", NULL, NULL,
+				     NULL,
+				     G_PARAM_READABLE);
+	g_object_class_install_property (object_class, PROP_PRODUCT_NAME, pspec);
+
+	/**
+	 * GcmDmi:product-version:
+	 */
+	pspec = g_param_spec_string ("product-version", NULL, NULL,
+				     NULL,
+				     G_PARAM_READABLE);
+	g_object_class_install_property (object_class, PROP_PRODUCT_VERSION, pspec);
+
+	g_type_class_add_private (klass, sizeof (GcmDmiPrivate));
+}
+
+/**
+ * gcm_dmi_init:
+ **/
+static void
+gcm_dmi_init (GcmDmi *dmi)
+{
+	dmi->priv = GCM_DMI_GET_PRIVATE (dmi);
+	dmi->priv->product_name = NULL;
+	dmi->priv->product_version = NULL;
+}
+
+/**
+ * gcm_dmi_finalize:
+ **/
+static void
+gcm_dmi_finalize (GObject *object)
+{
+	GcmDmi *dmi = GCM_DMI (object);
+	GcmDmiPrivate *priv = dmi->priv;
+
+	g_free (priv->product_name);
+	g_free (priv->product_version);
+
+	G_OBJECT_CLASS (gcm_dmi_parent_class)->finalize (object);
+}
+
+/**
+ * gcm_dmi_new:
+ *
+ * Return value: a new GcmDmi object.
+ **/
+GcmDmi *
+gcm_dmi_new (void)
+{
+	GcmDmi *dmi;
+	dmi = g_object_new (GCM_TYPE_DMI, NULL);
+	return GCM_DMI (dmi);
+}
+
+/***************************************************************************
+ ***                          MAKE CHECK TESTS                           ***
+ ***************************************************************************/
+#ifdef EGG_TEST
+#include "egg-test.h"
+
+void
+gcm_dmi_test (EggTest *test)
+{
+	GcmDmi *dmi;
+	gchar *product_name = NULL;
+	gchar *product_version = NULL;
+
+	if (!egg_test_start (test, "GcmDmi"))
+		return;
+
+	/************************************************************/
+	egg_test_title (test, "get a dmi object");
+	dmi = gcm_dmi_new ();
+	egg_test_assert (test, dmi != NULL);
+
+	/* get data */
+	g_object_get (dmi,
+		      "product-name", &product_name,
+		      "product-version", &product_version,
+		      NULL);
+
+	/************************************************************/
+	egg_test_title (test, "got name");
+	egg_test_assert (test, product_name != NULL);
+
+	/************************************************************/
+	egg_test_title (test, "got version");
+	egg_test_assert (test, product_version != NULL);
+
+	g_free (product_name);
+	g_free (product_version);
+
+	g_object_unref (dmi);
+
+	egg_test_end (test);
+}
+#endif
+
diff --git a/src/gcm-dmi.h b/src/gcm-dmi.h
new file mode 100644
index 0000000..0a4897c
--- /dev/null
+++ b/src/gcm-dmi.h
@@ -0,0 +1,63 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2009 Richard Hughes <richard hughsie com>
+ *
+ * Licensed under the GNU General Public License Version 2
+ *
+ * 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 dmi.
+ *
+ * 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.
+ */
+
+#ifndef __GCM_DMI_H
+#define __GCM_DMI_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define GCM_TYPE_DMI		(gcm_dmi_get_type ())
+#define GCM_DMI(o)		(G_TYPE_CHECK_INSTANCE_CAST ((o), GCM_TYPE_DMI, GcmDmi))
+#define GCM_DMI_CLASS(k)	(G_TYPE_CHECK_CLASS_CAST((k), GCM_TYPE_DMI, GcmDmiClass))
+#define GCM_IS_DMI(o)		(G_TYPE_CHECK_INSTANCE_TYPE ((o), GCM_TYPE_DMI))
+#define GCM_IS_DMI_CLASS(k)	(G_TYPE_CHECK_CLASS_TYPE ((k), GCM_TYPE_DMI))
+#define GCM_DMI_GET_CLASS(o)	(G_TYPE_INSTANCE_GET_CLASS ((o), GCM_TYPE_DMI, GcmDmiClass))
+
+typedef struct _GcmDmiPrivate	GcmDmiPrivate;
+typedef struct _GcmDmi		GcmDmi;
+typedef struct _GcmDmiClass	GcmDmiClass;
+
+struct _GcmDmi
+{
+	 GObject		 parent;
+	 GcmDmiPrivate		*priv;
+};
+
+struct _GcmDmiClass
+{
+	GObjectClass	parent_class;
+	/* padding for future expansion */
+	void (*_gcm_reserved1) (void);
+	void (*_gcm_reserved2) (void);
+	void (*_gcm_reserved3) (void);
+	void (*_gcm_reserved4) (void);
+	void (*_gcm_reserved5) (void);
+};
+
+GType		 gcm_dmi_get_type		  	(void);
+GcmDmi		*gcm_dmi_new				(void);
+
+G_END_DECLS
+
+#endif /* __GCM_DMI_H */
+
diff --git a/src/gcm-self-test.c b/src/gcm-self-test.c
index 0a4bbb4..5624175 100644
--- a/src/gcm-self-test.c
+++ b/src/gcm-self-test.c
@@ -31,6 +31,7 @@ void gcm_device_test (EggTest *test);
 void gcm_profile_test (EggTest *test);
 void gcm_brightness_test (EggTest *test);
 void gcm_clut_test (EggTest *test);
+void gcm_dmi_test (EggTest *test);
 
 int
 main (int argc, char **argv)
@@ -51,6 +52,7 @@ main (int argc, char **argv)
 	gcm_profile_test (test);
 	gcm_brightness_test (test);
 	gcm_clut_test (test);
+	gcm_dmi_test (test);
 
 	return (egg_test_finish (test));
 }
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