1 files changed, 128 insertions, 0 deletions
diff --git a/src/prop_search.c b/src/prop_search.c
new file mode 100644
index 0000000..f88de8a
--- /dev/null
+++ b/src/prop_search.c
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <search.h>
+#include <string.h>
+
+#include "af-steering-wheel-binding.h"
+#include "prop_search.h"
+
+#define SUPPORT_PROPERTY_LIMIT 512
+
+static void *property_root = NULL;
+static const char *support_property_list[SUPPORT_PROPERTY_LIMIT];
+static int nProperties = 0;
+static void (*_walker_action)(struct prop_info_t *);
+
+static int property_compare(const void *pa, const void *pb)
+{
+	struct prop_info_t *a =(struct prop_info_t *)pa;
+	struct prop_info_t *b =(struct prop_info_t *)pb;
+	return strcmp(a->name,b->name);
+}
+
+static int addProperty_dict(struct prop_info_t *prop_info)
+{
+	void *v;
+	v = tfind((void *)prop_info, &property_root, property_compare);
+	if (v == NULL)
+	{
+		v = tsearch((void *)prop_info, &property_root, property_compare);
+		if (v == NULL)
+		{
+			ERRMSG("add property failed: not enogh memory?");
+			return -1;
+		}
+		if (nProperties >= SUPPORT_PROPERTY_LIMIT)
+		{
+			ERRMSG("Reach properties limit");
+			return -1;
+		}
+		support_property_list[nProperties] = prop_info->name;
+		++nProperties;
+		return 0;
+	} /* else  Multi entry */
+
+	return 1;
+}
+
+int addAllPropDict(struct wheel_info_t *wheel_info)
+{
+	unsigned int maxEntry = wheel_info->nData;
+
+	for(unsigned int i=0; i < maxEntry ; i++)
+	{
+		int ret;
+		ret = addProperty_dict(&wheel_info->property[i]);
+		if (!ret)
+		{
+			continue;
+		}
+	}
+
+	return 0;
+}
+
+const char **getSupportPropertiesList(int *nEntry)
+{
+	*nEntry = nProperties;
+	return support_property_list;
+}
+
+struct prop_info_t * getProperty_dict(const char *propertyName)
+{
+	struct prop_info_t key;
+	void *v;
+
+	key.name = propertyName;
+	v = tfind((void *)&key, &property_root, property_compare);
+	if (v == NULL) {
+		return NULL;
+	}
+	return (*(struct prop_info_t **)v);
+}
+
+static void canid_walk_action(const void *nodep, const VISIT which , const int depth)
+{
+	struct prop_info_t *datap;
+
+	switch (which) {
+	case preorder:
+		break;
+	case postorder:
+		datap = *(struct prop_info_t **) nodep;
+		_walker_action(datap);
+		break;
+	case endorder:
+		break;
+	case leaf:
+		datap = *(struct prop_info_t **) nodep;
+		_walker_action(datap);
+		break;
+	}
+}
+
+void canid_walker(void (*walker_action)(struct prop_info_t *))
+{
+	if (walker_action == NULL)
+		return;
+	_walker_action = walker_action;
+	twalk(property_root, canid_walk_action);
+}