HaxeFoundation.haxe/std/js/_std/Std.hx

/*
 * Copyright (c) 2005, The haXe Project Contributors
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE HAXE PROJECT CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE HAXE PROJECT CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

@:core_api class Std {

	public static function is( v : Dynamic, t : Dynamic ) : Bool {
		return untyped js.Boot.__instanceof(v,t);
	}

	public static function string( s : Dynamic ) : String {
		return untyped js.Boot.__string_rec(s,"");
	}

	public static function int( x : Float ) : Int {
		if( x < 0 ) return Math.ceil(x);
		return Math.floor(x);
	}

	public static function parseInt( x : String ) : Null<Int> {
		var v = untyped __js__("parseInt")(x, 10);
		// parse again if hexadecimal
		if( v == 0 && x.charCodeAt(1) == 'x'.code )
			v = untyped __js__("parseInt")(x);
		if( untyped __js__("isNaN")(v) )
			return null;
		return cast v;
	}

	public static function parseFloat( x : String ) : Float {
		return untyped __js__("parseFloat")(x);
	}

	public static function random( x : Int ) : Int {
		return untyped Math.floor(Math.random()*x);
	}

	@:macro public static function format( fmt : haxe.macro.Expr.ExprRequire<String> ) : haxe.macro.Expr.ExprRequire<String> {
		return haxe.macro.Context.format(fmt);
	}

	static function __init__() : Void untyped {
		String.prototype.__class__ = $hxClasses['String'] = String;
		String.__name__ = ["String"];
		Array.prototype.__class__ = $hxClasses['Array'] = Array;
		Array.__name__ = ["Array"];
		Int = $hxClasses['Int'] = { __name__ : ["Int"] };
		Dynamic = $hxClasses['Dynamic'] = { __name__ : ["Dynamic"] };
		Float = $hxClasses['Float'] = __js__("Number");
		Float.__name__ = ["Float"];
		Bool = $hxClasses['Bool'] = { __ename__ : ["Bool"] };
		Class = $hxClasses['Class'] = { __name__ : ["Class"] };
		Enum = {};
		Void = $hxClasses['Void'] = { __ename__ : ["Void"] };
	}

}