[aravis/dom] gc_index_node: new sublcassed property node.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit ae1c9c16d98dd845863b0776599634546afb361e
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Thu Mar 1 11:16:08 2012 +0100

    gc_index_node: new sublcassed property node.

 src/Makefile.am      |    2 +
 src/arvgc.c          |    3 +
 src/arvgcindexnode.c |  137 ++++++++++++++++++++++++++++++++++++++++++++++++++
 src/arvgcindexnode.h |   56 ++++++++++++++++++++
 src/arvtypes.h       |    1 +
 5 files changed, 199 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 66bcefe..00f1077 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -47,6 +47,7 @@ ARAVIS_SRCS =					\
 	arvgc.c					\
 	arvgcnode.c				\
 	arvgcpropertynode.c			\
+	arvgcindexnode.c			\
 	arvgcfeaturenode.c			\
 	arvgcregisterdescriptionnode.c		\
 	arvgccategory.c				\
@@ -103,6 +104,7 @@ ARAVIS_HDRS = 					\
 	arvgc.h					\
 	arvgcnode.h				\
 	arvgcpropertynode.h			\
+	arvgcindexnode.h			\
 	arvgcfeaturenode.h			\
 	arvgcregisterdescriptionnode.h		\
 	arvgccategory.h				\
diff --git a/src/arvgc.c b/src/arvgc.c
index b61b3fc..b75c277 100644
--- a/src/arvgc.c
+++ b/src/arvgc.c
@@ -32,6 +32,7 @@
 #include <arvgc.h>
 #include <arvgcnode.h>
 #include <arvgcpropertynode.h>
+#include <arvgcindexnode.h>
 #include <arvgcregisterdescriptionnode.h>
 #include <arvgccategory.h>
 #include <arvgcenumeration.h>
@@ -99,6 +100,8 @@ arv_gc_create_element (ArvDomDocument *document, const char *tag_name)
 		node = arv_gc_swiss_knife_new_integer ();
 	else if (strcmp (tag_name, "Port") == 0)
 		node = arv_gc_port_new ();
+	else if (strcmp (tag_name, "pIndex") == 0)
+		node = arv_gc_index_node_new ();
 	else if (strcmp (tag_name, "RegisterDescription") == 0)
 		node = arv_gc_register_description_node_new ();
 	else if (strcmp (tag_name, "pFeature") == 0)
diff --git a/src/arvgcindexnode.c b/src/arvgcindexnode.c
new file mode 100644
index 0000000..ae88277
--- /dev/null
+++ b/src/arvgcindexnode.c
@@ -0,0 +1,137 @@
+/* Aravis - Digital camera library
+ *
+ * Copyright  2009-2012 Emmanuel Pacaud
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Emmanuel Pacaud <emmanuel gnome org>
+ */
+
+/**
+ * SECTION: arvgcindex_node
+ * @short_description: Class for IndexNode elements
+ */
+
+#include <arvgcindexnode.h>
+#include <arvgcpropertynode.h>
+#include <arvgc.h>
+#include <arvdomtext.h>
+#include <arvmisc.h>
+#include <string.h>
+
+static GObjectClass *parent_class = NULL;
+
+/* ArvDomNode implementation */
+
+static const char *
+arv_gc_index_node_get_node_name (ArvDomNode *node)
+{
+	return "pIndex";
+}
+
+static gboolean
+arv_gc_index_node_can_append_child (ArvDomNode *parent, ArvDomNode *child)
+{
+	return ARV_IS_DOM_TEXT (child);
+}
+
+/* ArvDomElement implementation */
+
+static void
+arv_gc_index_node_set_attribute (ArvDomElement *self, const char *name, const char *value)
+{
+	ArvGcIndexNode *index_node = ARV_GC_INDEX_NODE (self);
+
+	if (strcmp (name, "Offset") == 0)
+		arv_force_g_value_to_int64 (&index_node->offset, g_ascii_strtoll (value, NULL, 0));
+	else if (strcmp (name, "pOffset") == 0) 
+		arv_force_g_value_to_string (&index_node->offset, value);
+}
+
+static const char *
+arv_gc_index_node_get_attribute (ArvDomElement *self, const char *name)
+{
+	g_assert_not_reached ();
+
+	return NULL;
+}
+
+/* ArvGcIndexNode implementation */
+
+gint64
+arv_gc_index_node_get_index (ArvGcIndexNode *index_node, gint64 default_offset)
+{
+	gint64 offset;
+
+	g_return_val_if_fail (ARV_IS_GC_INDEX_NODE (index_node), 0);
+
+	if (G_VALUE_HOLDS_BOOLEAN (&index_node->offset))
+		offset = default_offset;
+	else {
+		ArvGc *genicam;
+
+		genicam = arv_gc_node_get_genicam (ARV_GC_NODE (index_node));
+	       	offset = arv_gc_get_int64_from_value (genicam, &index_node->offset);
+	}
+
+	return offset * arv_gc_property_node_get_int64 (ARV_GC_PROPERTY_NODE (index_node));
+}
+
+ArvGcNode *
+arv_gc_index_node_new (void)
+{
+	ArvGcPropertyNode *node;
+
+	node = g_object_new (ARV_TYPE_GC_INDEX_NODE, NULL);
+	node->type = ARV_GC_PROPERTY_NODE_TYPE_P_INDEX;
+
+	return ARV_GC_NODE (node);
+}
+
+static void
+arv_gc_index_node_init (ArvGcIndexNode *index_node)
+{
+	g_value_init (&index_node->offset, G_TYPE_BOOLEAN);
+	g_value_set_boolean (&index_node->offset, FALSE);
+}
+
+static void
+arv_gc_index_node_finalize (GObject *object)
+{
+	ArvGcIndexNode *index_node = ARV_GC_INDEX_NODE (object);
+
+	g_value_unset (&index_node->offset);
+
+	parent_class->finalize (object);
+}
+
+static void
+arv_gc_index_node_class_init (ArvGcIndexNodeClass *this_class)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (this_class);
+	ArvDomNodeClass *dom_node_class = ARV_DOM_NODE_CLASS (this_class);
+	ArvDomElementClass *dom_element_class = ARV_DOM_ELEMENT_CLASS (this_class);
+
+	parent_class = g_type_class_peek_parent (this_class);
+
+	object_class->finalize = arv_gc_index_node_finalize;
+	dom_node_class->get_node_name = arv_gc_index_node_get_node_name;
+	dom_node_class->can_append_child = arv_gc_index_node_can_append_child;
+	dom_element_class->set_attribute = arv_gc_index_node_set_attribute;
+	dom_element_class->get_attribute = arv_gc_index_node_get_attribute;
+}
+
+G_DEFINE_TYPE (ArvGcIndexNode, arv_gc_index_node, ARV_TYPE_GC_PROPERTY_NODE)
diff --git a/src/arvgcindexnode.h b/src/arvgcindexnode.h
new file mode 100644
index 0000000..8c2a550
--- /dev/null
+++ b/src/arvgcindexnode.h
@@ -0,0 +1,56 @@
+/* Aravis - Digital camera library
+ *
+ * Copyright  2009-2012 Emmanuel Pacaud
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Emmanuel Pacaud <emmanuel gnome org>
+ */
+
+#ifndef ARV_GC_INDEX_NODE_H
+#define ARV_GC_INDEX_NODE_H
+
+#include <arvtypes.h>
+#include <arvgcpropertynode.h>
+
+G_BEGIN_DECLS
+
+#define ARV_TYPE_GC_INDEX_NODE             (arv_gc_index_node_get_type ())
+#define ARV_GC_INDEX_NODE(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), ARV_TYPE_GC_INDEX_NODE, ArvGcIndexNode))
+#define ARV_GC_INDEX_NODE_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), ARV_TYPE_GC_INDEX_NODE, ArvGcIndexNodeClass))
+#define ARV_IS_GC_INDEX_NODE(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), ARV_TYPE_GC_INDEX_NODE))
+#define ARV_IS_GC_INDEX_NODE_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), ARV_TYPE_GC_INDEX_NODE))
+#define ARV_GC_INDEX_NODE_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS((obj), ARV_TYPE_GC_INDEX_NODE, ArvGcIndexNodeClass))
+
+typedef struct _ArvGcIndexNodeClass ArvGcIndexNodeClass;
+
+struct _ArvGcIndexNode {
+	ArvGcPropertyNode	base;
+
+	GValue offset;
+};
+
+struct _ArvGcIndexNodeClass {
+	ArvGcPropertyNodeClass parent_class;
+};
+
+GType 		arv_gc_index_node_get_type 	(void);
+ArvGcNode * 	arv_gc_index_node_new 		(void);
+gint64		arv_gc_index_node_get_index	(ArvGcIndexNode *index_node, gint64 default_offset);
+
+G_END_DECLS
+
+#endif
diff --git a/src/arvtypes.h b/src/arvtypes.h
index 94acaff..68ae2b1 100644
--- a/src/arvtypes.h
+++ b/src/arvtypes.h
@@ -45,6 +45,7 @@ typedef struct _ArvGc ArvGc;
 typedef	struct _ArvGcNode			ArvGcNode;
 typedef struct _ArvGcFeatureNode 		ArvGcFeatureNode;
 typedef struct _ArvGcPropertyNode		ArvGcPropertyNode;
+typedef struct _ArvGcIndexNode			ArvGcIndexNode;
 typedef struct _ArvGcRegisterDescriptionNode 	ArvGcRegisterDescriptionNode;
 typedef struct _ArvGcCategory			ArvGcCategory;
 typedef struct _ArvGcBoolean			ArvGcBoolean;