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2025-01-22 16:18:30 +01:00
/*
* Copyright (C)2005-2019 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package haxe.rtti;
private typedef MetaObject = {
?fields:Dynamic<Dynamic<Null<Array<Dynamic>>>>,
?statics:Dynamic<Dynamic<Null<Array<Dynamic>>>>,
?obj:Dynamic<Null<Array<Dynamic>>>
};
/**
An API to access classes and enums metadata at runtime.
@see <https://haxe.org/manual/cr-rtti.html>
**/
class Meta {
/**
Returns the metadata that were declared for the given type (class or enum)
**/
public static function getType(t:Dynamic):Dynamic<Array<Dynamic>> {
var meta = getMeta(t);
return (meta == null || meta.obj == null) ? {} : meta.obj;
}
// Could move this to Type.hx?
private static function isInterface(t:Dynamic):Bool {
#if java
return java.Lib.toNativeType(t).isInterface();
#elseif cs
return cs.Lib.toNativeType(t).IsInterface;
#else
throw "Something went wrong";
#end
}
private static function getMeta(t:Dynamic):MetaObject {
#if php
return php.Boot.getMeta(t.phpClassName);
#elseif (java || cs)
var ret = Reflect.field(t, "__meta__");
if (ret == null && Std.isOfType(t, Class)) {
if (isInterface(t)) {
var name = Type.getClassName(t),
cls = Type.resolveClass(name + '_HxMeta');
if (cls != null)
return Reflect.field(cls, "__meta__");
}
}
return ret;
#elseif hl
var t:hl.BaseType = t;
return t.__meta__;
#else
return untyped t.__meta__;
#end
}
/**
Returns the metadata that were declared for the given class static fields
**/
public static function getStatics(t:Dynamic):Dynamic<Dynamic<Array<Dynamic>>> {
var meta = getMeta(t);
return (meta == null || meta.statics == null) ? {} : meta.statics;
}
/**
Returns the metadata that were declared for the given class fields or enum constructors
**/
public static function getFields(t:Dynamic):Dynamic<Dynamic<Array<Dynamic>>> {
var meta = getMeta(t);
return (meta == null || meta.fields == null) ? {} : meta.fields;
}
}