add attr_get/attr_set

testsuite/test_attr.c

@@ -0,0 +1,119 @@
+#include <errno.h>
+#include <stdarg.h>
+#include <string.h>
+#include <unity/unity.h>
+
+#include "rtti.h"
+
+#define ATTR_ID   (0)
+#define ATTR_NAME (1)
+
+typedef struct {
+    int   id;
+    char* name;
+} my_attrset_t;
+
+static int my_attrset_init(meta_obj_t* obj, va_list ap)
+{
+    my_attrset_t* attrs = RTTI_OBJ_TO_DATA(my_attrset_t, obj);
+
+    attrs->id   = -1;
+    attrs->name = NULL;
+
+    return 1;
+}
+
+static void my_attrset_destroy(meta_obj_t* obj)
+{
+    /* do nothing */
+    return;
+}
+
+static int my_attrset_get(meta_obj_t* obj, void* attr, void** value)
+{
+    my_attrset_t* attrs = RTTI_OBJ_TO_DATA(my_attrset_t, obj);
+
+    switch ((int)(long)attr) {
+    case ATTR_ID:
+        *value = (void*)(long)attrs->id;
+        break;
+    case ATTR_NAME:
+        *value = (void*)attrs->name;
+        break;
+    default:
+        return -EINVAL;
+    }
+
+    return 1;
+}
+
+static int my_attrset_set(meta_obj_t* obj, void* attr, void* value)
+{
+    my_attrset_t* attrs = RTTI_OBJ_TO_DATA(my_attrset_t, obj);
+
+    switch ((int)(long)attr) {
+    case ATTR_ID:
+        attrs->id = (int)(long)value;
+        break;
+    case ATTR_NAME:
+        attrs->name = (char*)value;
+        break;
+    default:
+        return -EINVAL;
+    }
+
+    return 1;
+}
+
+static size_t my_attrset_datasize(va_list ap)
+{
+    size_t sz = sizeof(my_attrset_t);
+
+    return sz;
+}
+
+static typeinfo_t my_attrset_type
+    = { .name        = "my_attrset",
+        .privateSize = 0,
+        .dataSize    = (datasize_fn_t)my_attrset_datasize,
+        .init        = (obj_init_fn_t)my_attrset_init,
+        .destroy     = (obj_destroy_fn_t)my_attrset_destroy,
+        .interfaces  = { .attrs = &(intf_attr_t) {
+                             .get = (attr_get_fn_t)my_attrset_get,
+                             .set = (attr_set_fn_t)my_attrset_set } } };
+
+static void test_attr_setget(void)
+{
+    var   attrs = makeInstance(&my_attrset_type);
+    void* id;
+    char* name;
+    int   rc = 0;
+
+    TEST_ASSERT_TRUE(attrs != NULL);
+
+    rc = attr_set(attrs, (void*)(long)ATTR_ID, (void *)(long)1);
+
+    TEST_ASSERT_TRUE(rc >= 0);
+
+    rc = attr_set(attrs, (void*)(long)ATTR_NAME, "tester");
+    TEST_ASSERT_TRUE(rc >= 0);
+
+    rc = attr_get(attrs, (void*)(long)ATTR_ID, &id);
+    TEST_ASSERT_TRUE(rc >= 0);
+
+    TEST_ASSERT_TRUE((int)(long)id == 1);
+
+    rc = attr_get(attrs, (void*)(long)ATTR_NAME, (void**)&name);
+    TEST_ASSERT_TRUE(rc >= 0);
+
+    TEST_ASSERT_TRUE((strcmp(name, "tester") == 0));
+
+    destroy(attrs);
+}
+
+void test_attr(void)
+{
+    printf("\n attr test\n\n");
+
+    RUN_TEST(test_attr_setget);
+}