174 lines
		
	
	
		
			5.5 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
		
		
			
		
	
	
			174 lines
		
	
	
		
			5.5 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
|  | /* | ||
|  |  * 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; | ||
|  | 
 | ||
|  | /** | ||
|  | 	This class provides advanced methods on enums. It is ideally used with | ||
|  | 	`using EnumTools` and then acts as an | ||
|  | 	  [extension](https://haxe.org/manual/lf-static-extension.html) to the | ||
|  | 	  `enum` types. | ||
|  | 
 | ||
|  | 	If the first argument to any of the methods is `null`, the result is | ||
|  | 	unspecified. | ||
|  | **/ | ||
|  | extern class EnumTools { | ||
|  | 	/** | ||
|  | 		Returns the name of enum `e`, including its path. | ||
|  | 
 | ||
|  | 		If `e` is inside a package, the package structure is returned dot- | ||
|  | 		separated, with another dot separating the enum name: | ||
|  | 		 | ||
|  | 			pack1.pack2.(...).packN.EnumName | ||
|  | 
 | ||
|  | 		If `e` is a sub-type of a Haxe module, that module is not part of the | ||
|  | 		package structure. | ||
|  | 
 | ||
|  | 		If `e` has no package, the enum name is returned. | ||
|  | 
 | ||
|  | 		If `e` is `null`, the result is unspecified. | ||
|  | 
 | ||
|  | 		The enum name does not include any type parameters. | ||
|  | 	**/ | ||
|  | 	static inline function getName<T>(e:Enum<T>):String { | ||
|  | 		return Type.getEnumName(e); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Creates an instance of enum `e` by calling its constructor `constr` with | ||
|  | 		arguments `params`. | ||
|  | 
 | ||
|  | 		If `e` or `constr` is `null`, or if enum `e` has no constructor named | ||
|  | 		`constr`, or if the number of elements in `params` does not match the | ||
|  | 		expected number of constructor arguments, or if any argument has an | ||
|  | 		invalid type, the result is unspecified. | ||
|  | 	**/ | ||
|  | 	static inline function createByName<T>(e:Enum<T>, constr:String, ?params:Array<Dynamic>):T { | ||
|  | 		return Type.createEnum(e, constr, params); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Creates an instance of enum `e` by calling its constructor number | ||
|  | 		`index` with arguments `params`. | ||
|  | 
 | ||
|  | 		The constructor indices are preserved from Haxe syntax, so the first | ||
|  | 		declared is index 0, the next index 1 etc. | ||
|  | 
 | ||
|  | 		If `e` or `index` is `null`, or if enum `e` has no constructor | ||
|  | 		corresponding to index `index`, or if the number of elements in `params` | ||
|  | 		does not match the expected number of constructor arguments, or if any | ||
|  | 		argument has an invalid type, the result is unspecified. | ||
|  | 	**/ | ||
|  | 	static inline function createByIndex<T>(e:Enum<T>, index:Int, ?params:Array<Dynamic>):T { | ||
|  | 		return Type.createEnumIndex(e, index, params); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Returns a list of all constructors of enum `e` that require no | ||
|  | 		arguments. | ||
|  | 
 | ||
|  | 		This may return the empty Array `[]` if all constructors of `e` require | ||
|  | 		arguments. | ||
|  | 
 | ||
|  | 		Otherwise an instance of `e` constructed through each of its non- | ||
|  | 		argument constructors is returned, in the order of the constructor | ||
|  | 		declaration. | ||
|  | 
 | ||
|  | 		If `e` is `null`, the result is unspecified. | ||
|  | 	**/ | ||
|  | 	static inline function createAll<T>(e:Enum<T>):Array<T> { | ||
|  | 		return Type.allEnums(e); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Returns a list of the names of all constructors of enum `e`. | ||
|  | 
 | ||
|  | 		The order of the constructor names in the returned Array is preserved | ||
|  | 		from the original syntax. | ||
|  | 
 | ||
|  | 		If `c` is `null`, the result is unspecified. | ||
|  | 	**/ | ||
|  | 	static inline function getConstructors<T>(e:Enum<T>):Array<String> { | ||
|  | 		return Type.getEnumConstructs(e); | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  | 	This class provides advanced methods on enum values. It is ideally used with | ||
|  | 	`using EnumValueTools` and then acts as an | ||
|  | 	  [extension](https://haxe.org/manual/lf-static-extension.html) to the | ||
|  | 	  `EnumValue` types. | ||
|  | 
 | ||
|  | 	If the first argument to any of the methods is `null`, the result is | ||
|  | 	unspecified. | ||
|  | **/ | ||
|  | extern class EnumValueTools { | ||
|  | 	/** | ||
|  | 		Recursively compares two enum instances `a` and `b` by value. | ||
|  | 
 | ||
|  | 		Unlike `a == b`, this function performs a deep equality check on the | ||
|  | 		arguments of the constructors (if there are any). | ||
|  | 
 | ||
|  | 		If `a` or `b` are `null`, the result is unspecified. | ||
|  | 	**/ | ||
|  | 	static inline function equals<T:EnumValue>(a:T, b:T):Bool { | ||
|  | 		return Type.enumEq(a, b); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Returns the constructor name of enum instance `e`. | ||
|  | 
 | ||
|  | 		The result String does not contain any constructor arguments. | ||
|  | 
 | ||
|  | 		If `e` is `null`, the result is unspecified. | ||
|  | 	**/ | ||
|  | 	static inline function getName(e:EnumValue):String { | ||
|  | 		return Type.enumConstructor(e); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Returns a list of the constructor arguments of enum instance `e`. | ||
|  | 
 | ||
|  | 		If `e` has no arguments, the result is `[]`. | ||
|  | 
 | ||
|  | 		Otherwise the result are the values that were used as arguments to `e`, | ||
|  | 		in the order of their declaration. | ||
|  | 
 | ||
|  | 		If `e` is `null`, the result is unspecified. | ||
|  | 	**/ | ||
|  | 	static inline function getParameters(e:EnumValue):Array<Dynamic> { | ||
|  | 		return Type.enumParameters(e); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Returns the index of enum instance `e`. | ||
|  | 
 | ||
|  | 		This corresponds to the original syntactic position of `e`. The index of | ||
|  | 		the first declared constructor is 0, the next one is 1 etc. | ||
|  | 
 | ||
|  | 		If `e` is `null`, the result is unspecified. | ||
|  | 	**/ | ||
|  | 	static inline function getIndex(e:EnumValue):Int { | ||
|  | 		return Type.enumIndex(e); | ||
|  | 	} | ||
|  | } |