fx.reflection: implement fx_property

fx.reflection/include/fx/reflection/property.h

@@ -1,4 +1,38 @@
 #ifndef FX_REFLECTION_PROPERTY_H_
 #define FX_REFLECTION_PROPERTY_H_
 
+#include <fx/macros.h>
+#include <fx/value.h>
+
+FX_DECLS_BEGIN;
+
+#define FX_REFLECTION_TYPE_PROPERTY (fx_property_get_type())
+
+FX_DECLARE_TYPE(fx_property)
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_property)
+FX_TYPE_CLASS_DECLARATION_END(fx_property)
+
+typedef fx_status (
+	*fx_property_getter)(const fx_value *, const fx_property *, fx_value *);
+typedef fx_status (
+	*fx_property_setter)(fx_value *, const fx_property *, fx_value *);
+
+FX_API fx_type_id fx_property_get_type(void);
+
+FX_API fx_property *fx_property_create(
+	const char *name,
+	fx_property_getter get,
+	fx_property_setter set);
+
+FX_API const char *fx_property_get_name(const fx_property *prop);
+FX_API fx_status fx_property_get_value(
+	const fx_property *prop,
+	const fx_value *container,
+	fx_value *out);
+FX_API fx_status fx_property_set_value(
+	const fx_property *prop,
+	fx_value *container,
+	fx_value *new_value);
+
 #endif

fx.reflection/property.c

@@ -0,0 +1,140 @@
+#include <fx/macros.h>
+#include <fx/reflection/property.h>
+#include <fx/string.h>
+#include <fx/value-type.h>
+#include <fx/value.h>
+#include <platform/callvm.h>
+
+struct fx_property_p {
+	fx_property *prop_self;
+	char *prop_name;
+	fx_property_getter prop_getter;
+	fx_property_setter prop_setter;
+};
+
+/*** PRIVATE FUNCTIONS ********************************************************/
+
+static const char *property_get_name(const struct fx_property_p *prop)
+{
+	return prop->prop_name;
+}
+
+static fx_status property_get_value(
+	const struct fx_property_p *prop,
+	const fx_value *container,
+	fx_value *out)
+{
+	if (!prop->prop_getter) {
+		return FX_ERR_NOT_SUPPORTED;
+	}
+
+	return prop->prop_getter(container, prop->prop_self, out);
+}
+
+static fx_status property_set_value(
+	const struct fx_property_p *prop,
+	fx_value *container,
+	fx_value *new_value)
+{
+	if (!prop->prop_setter) {
+		return FX_ERR_NOT_SUPPORTED;
+	}
+
+	return prop->prop_setter(container, prop->prop_self, new_value);
+}
+
+/*** PUBLIC FUNCTIONS *********************************************************/
+
+fx_property *fx_property_create(
+	const char *name,
+	fx_property_getter getter,
+	fx_property_setter setter)
+{
+	fx_property *prop = fx_object_create(FX_REFLECTION_TYPE_PROPERTY);
+	if (!prop) {
+		return NULL;
+	}
+
+	struct fx_property_p *p = fx_object_get_private(
+		prop,
+		FX_REFLECTION_TYPE_PROPERTY);
+
+	p->prop_name = fx_strdup(name);
+	if (!p->prop_name) {
+		fx_property_unref(prop);
+		return NULL;
+	}
+
+	p->prop_self = prop;
+	p->prop_getter = getter;
+	p->prop_setter = setter;
+
+	return prop;
+}
+
+const char *fx_property_get_name(const fx_property *prop)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_REFLECTION_TYPE_PROPERTY,
+		property_get_name,
+		prop);
+}
+
+fx_status fx_property_get_value(
+	const fx_property *prop,
+	const fx_value *container,
+	fx_value *out)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_REFLECTION_TYPE_PROPERTY,
+		property_get_value,
+		prop,
+		container,
+		out);
+}
+
+fx_status fx_property_set_value(
+	const fx_property *prop,
+	fx_value *container,
+	fx_value *new_value)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_REFLECTION_TYPE_PROPERTY,
+		property_set_value,
+		prop,
+		container,
+		new_value);
+}
+
+/*** VIRTUAL FUNCTIONS ********************************************************/
+
+static void property_init(fx_object *obj, void *priv)
+{
+}
+
+static void property_fini(fx_object *obj, void *priv)
+{
+	struct fx_property_p *p = priv;
+	if (p->prop_name) {
+		free(p->prop_name);
+		p->prop_name = NULL;
+	}
+}
+
+/*** CLASS DEFINITION
+ * *********************************************************/
+
+FX_TYPE_CLASS_BEGIN(fx_property)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+FX_TYPE_CLASS_END(fx_property)
+
+FX_TYPE_DEFINITION_BEGIN(fx_property)
+	FX_TYPE_ID(0x7007a5ef, 0x3caf, 0x4215, 0x8c0b, 0xd54bf8195624);
+	FX_TYPE_NAME("fx.reflection.property");
+	FX_TYPE_CLASS(fx_property_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_property_p);
+	FX_TYPE_INSTANCE_INIT(property_init);
+	FX_TYPE_INSTANCE_FINI(property_fini);
+FX_TYPE_DEFINITION_END(fx_property)