315 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
			
		
		
	
	
			315 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
| /*
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|  * Copyright (C)2005-2019 Haxe Foundation
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining a
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|  * copy of this software and associated documentation files (the "Software"),
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|  * to deal in the Software without restriction, including without limitation
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|  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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|  * and/or sell copies of the Software, and to permit persons to whom the
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|  * Software is furnished to do so, subject to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included in
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|  * all copies or substantial portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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|  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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|  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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|  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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|  * DEALINGS IN THE SOFTWARE.
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|  */
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| 
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| package lua;
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| 
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| import haxe.SysTools;
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| 
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| @:dox(hide)
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| class Boot {
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| 	// Used temporarily for bind()
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| 	static var _:Dynamic;
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| 	static var _fid = 0;
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| 
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| 	static var Max_Int32 = 2147483647;
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| 	static var Min_Int32 = -2147483648;
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| 
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| 
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| 	// A max stack size to respect for unpack operations
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| 	public static var MAXSTACKSIZE(default, null) = 1000;
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| 
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| 	public static var platformBigEndian = NativeStringTools.byte(NativeStringTools.dump(function() {}), 7) > 0;
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| 
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| 	static var hiddenFields:Table<String, Bool> = untyped __lua__("{__id__=true, hx__closures=true, super=true, prototype=true, __fields__=true, __ifields__=true, __class__=true, __properties__=true}");
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| 
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| 	static function __unhtml(s:String)
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| 		return s.split("&").join("&").split("<").join("<").split(">").join(">");
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| 
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| 	/**
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| 		Indicates if the given object is a class.
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| 	**/
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| 	static inline public function isClass(o:Dynamic):Bool {
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| 		if (Lua.type(o) != "table")
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| 			return false;
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| 		else
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| 			return untyped __define_feature__("lua.Boot.isClass", o.__name__);
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| 	}
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| 
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| 	/**
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| 		Indicates if the given object is a enum.
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| 	**/
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| 	static inline public function isEnum(e:Dynamic):Bool {
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| 		if (Lua.type(e) != "table")
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| 			return false;
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| 		else
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| 			return untyped __define_feature__("lua.Boot.isEnum", e.__ename__);
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| 	}
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| 
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| 	/**
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| 		Returns the class of a given object, and defines the getClass feature
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| 		for the given class.
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| 	**/
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| 	static inline public function getClass(o:Dynamic):Class<Dynamic> {
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| 		if (Std.isOfType(o, Array))
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| 			return Array;
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| 		else if (Std.isOfType(o, String))
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| 			return String;
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| 		else {
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| 			var cl = untyped __define_feature__("lua.Boot.getClass", o.__class__);
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| 			if (cl != null)
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| 				return cl;
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| 			else
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| 				return null;
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| 		}
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| 	}
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| 
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| 	/**
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| 		Indicates if the given object is an instance of the given Type
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| 	**/
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| 	@:ifFeature("typed_catch")
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| 	private static function __instanceof(o:Dynamic, cl:Dynamic) {
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| 		if (cl == null)
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| 			return false;
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| 
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| 		switch (cl) {
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| 			case Int:
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| 				return (Lua.type(o) == "number" && clampInt32(o) == o);
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| 			case Float:
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| 				return Lua.type(o) == "number";
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| 			case Bool:
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| 				return Lua.type(o) == "boolean";
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| 			case String:
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| 				return Lua.type(o) == "string";
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| 			case Thread:
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| 				return Lua.type(o) == "thread";
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| 			case UserData:
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| 				return Lua.type(o) == "userdata";
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| 			case Array:
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| 				return isArray(o);
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| 			case Table:
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| 				return Lua.type(o) == "table";
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| 			case Dynamic:
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| 				return o != null;
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| 			default:
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| 				{
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| 					if (o != null && Lua.type(o) == "table" && Lua.type(cl) == "table") {
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| 						if (extendsOrImplements(getClass(o), cl))
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| 							return true;
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| 						// We've exhausted standard inheritance checks.  Check for simple Class/Enum eqauality
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| 						// Also, do not use isClass/isEnum here, perform raw checks
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| 						untyped __feature__("Class.*", if (cl == Class && o.__name__ != null) return true);
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| 						untyped __feature__("Enum.*", if (cl == Enum && o.__ename__ != null) return true);
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| 						// last chance, is it an enum instance?
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| 						return o.__enum__ == cl;
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| 					} else {
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| 						return false;
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| 					}
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| 				}
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| 		}
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| 	}
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| 
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| 	static function isArray(o:Dynamic):Bool {
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| 		return Lua.type(o) == "table"
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| 			&& untyped o.__enum__ == null && Lua.getmetatable(o) != null && Lua.getmetatable(o).__index == untyped Array.prototype;
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| 	}
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| 
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| 	/**
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| 		Indicates if the given object inherits from the given class
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| 	**/
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| 	static function inheritsFrom(o:Dynamic, cl:Class<Dynamic>):Bool {
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| 		while (Lua.getmetatable(o) != null && Lua.getmetatable(o).__index != null) {
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| 			if (Lua.getmetatable(o).__index == untyped cl.prototype)
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| 				return true;
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| 			o = Lua.getmetatable(o).__index;
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| 		}
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| 		return false;
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| 	}
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| 
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| 	@:ifFeature("typed_cast")
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| 	private static function __cast(o:Dynamic, t:Dynamic) {
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| 		if (o == null || __instanceof(o, t))
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| 			return o;
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| 		else
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| 			throw "Cannot cast " + Std.string(o) + " to " + Std.string(t);
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| 	}
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| 
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| 
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| 	/**
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| 		Define an array from the given table
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| 	**/
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| 	public inline static function defArray<T>(tab:Table<Int, T>, ?length:Int):Array<T> {
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| 		if (length == null) {
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| 			length = TableTools.maxn(tab);
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| 			if (length > 0) {
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| 				var head = tab[1];
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| 				Table.remove(tab, 1);
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| 				tab[0] = head;
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| 				return untyped _hx_tab_array(tab, length);
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| 			} else {
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| 				return [];
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| 			}
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| 		} else {
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| 			return untyped _hx_tab_array(tab, length);
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| 		}
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| 	}
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| 
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| 	/**
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| 		Create a Haxe object from the given table structure
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| 	**/
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| 	public inline static function tableToObject<T>(t:Table<String, T>):Dynamic<T> {
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| 		return untyped _hx_o(t);
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| 	}
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| 
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| 	/**
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| 		Get Date object as string representation
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| 	**/
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| 	public static function dateStr(date:std.Date):String {
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| 		var m = date.getMonth() + 1;
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| 		var d = date.getDate();
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| 		var h = date.getHours();
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| 		var mi = date.getMinutes();
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| 		var s = date.getSeconds();
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| 		return date.getFullYear() + "-" + (if (m < 10) "0" + m else "" + m) + "-" + (if (d < 10) "0" + d else "" + d) + " "
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| 			+ (if (h < 10) "0" + h else "" + h) + ":" + (if (mi < 10) "0" + mi else "" + mi) + ":" + (if (s < 10) "0" + s else "" + s);
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| 	}
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| 
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| 	/**
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| 		A 32 bit clamp function for numbers
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| 	**/
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| 	public inline static function clampInt32(x:Float) {
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|         return untyped _hx_bit_clamp(x);
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| 	}
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| 
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| 	/**
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| 		Create a standard date object from a lua string representation
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| 	**/
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| 	public static function strDate(s:String):std.Date {
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| 		switch (s.length) {
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| 			case 8: // hh:mm:ss
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| 				var k = s.split(":");
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| 				return std.Date.fromTime(Lua.tonumber(k[0]) * 3600000. + Lua.tonumber(k[1]) * 60000. + Lua.tonumber(k[2]) * 1000.);
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| 			case 10: // YYYY-MM-DD
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| 				var k = s.split("-");
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| 				return new std.Date(Lua.tonumber(k[0]), Lua.tonumber(k[1]) - 1, Lua.tonumber(k[2]), 0, 0, 0);
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| 			case 19: // YYYY-MM-DD hh:mm:ss
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| 				var k = s.split(" ");
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| 				var y = k[0].split("-");
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| 				var t = k[1].split(":");
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| 				return new std.Date(Lua.tonumber(y[0]), Lua.tonumber(y[1]) - 1, Lua.tonumber(y[2]), Lua.tonumber(t[0]), Lua.tonumber(t[1]), Lua.tonumber(t[2]));
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| 			default:
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| 				throw "Invalid date format : " + s;
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| 		}
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| 	}
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| 
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| 	/**
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| 		Helper method to determine if class cl1 extends, implements, or otherwise equals cl2
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| 	**/
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| 	public static function extendsOrImplements(cl1:Class<Dynamic>, cl2:Class<Dynamic>):Bool {
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| 		if (cl1 == null || cl2 == null)
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| 			return false;
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| 		else if (cl1 == cl2)
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| 			return true;
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| 		else if (untyped cl1.__interfaces__ != null) {
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| 			var intf = untyped cl1.__interfaces__;
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| 			for (i in 1...(TableTools.maxn(intf) + 1)) {
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| 				// check each interface, including extended interfaces
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| 				if (extendsOrImplements(intf[i], cl2))
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| 					return true;
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| 			}
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| 		}
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| 		// check standard inheritance
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| 		return extendsOrImplements(untyped cl1.__super__, cl2);
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| 	}
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| 
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| 	/**
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| 		Returns a shell escaped version of "cmd" along with any args
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| 	**/
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| 	public static function shellEscapeCmd(cmd:String, ?args:Array<String>) {
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| 		if (args != null) {
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| 			switch (Sys.systemName()) {
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| 				case "Windows":
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| 					cmd = [
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| 						for (a in [StringTools.replace(cmd, "/", "\\")].concat(args))
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| 							SysTools.quoteWinArg(a, true)
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| 					].join(" ");
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| 				case _:
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| 					cmd = [cmd].concat(args).map(SysTools.quoteUnixArg).join(" ");
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| 			}
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| 		}
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| 		return cmd;
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| 	}
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| 
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| 	/**
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| 		Returns a temp file path that can be used for reading and writing
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| 	**/
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| 	public static function tempFile():String {
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| 		switch (Sys.systemName()) {
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| 			case "Windows":
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| 				return haxe.io.Path.join([Os.getenv("TMP"), Os.tmpname()]);
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| 			default:
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| 				return Os.tmpname();
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| 		}
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| 	}
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| 
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| 	static var os_patterns(get,default):Map<String,Array<String>>;
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| 	static function get_os_patterns():Map<String,Array<String>> {
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| 		if(os_patterns == null) {
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| 			os_patterns = [
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| 				'Windows' => ['windows', '^mingw', '^cygwin'],
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| 				'Linux' => ['linux'],
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| 				'Mac' => ['mac', 'darwin', 'osx'],
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| 				'BSD' => ['bsd$'],
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| 				'Solaris' => ['SunOS']
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| 			];
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| 		}
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| 		return os_patterns;
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| 	}
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| 
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| 	public static function systemName():String {
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| 		var os:String = null;
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| 		if (untyped jit != null && untyped jit.os != null) {
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| 			os = untyped jit.os;
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| 			os = os.toLowerCase();
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| 		} else {
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| 			var popen_status:Bool = false;
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| 			var popen_result:lua.FileHandle = null;
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| 			untyped __lua__("popen_status, popen_result = pcall(_G.io.popen, '')");
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| 			if (popen_status) {
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| 				popen_result.close();
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| 				os = lua.Io.popen('uname -s', 'r').read('*l').toLowerCase();
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| 			} else {
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| 				os = lua.Os.getenv('OS').toLowerCase();
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| 			}
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| 		}
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| 
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| 		for (k in os_patterns.keys()) {
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| 			for (p in os_patterns.get(k)) {
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| 				if (lua.NativeStringTools.match(os, p) != null) {
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| 					return k;
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| 				}
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| 			}
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| 		}
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| 
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| 		return null;
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| 	}
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| }
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