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Add ability to seed a UUID to support UWP templates. The UWP project files require a GUID to be generated once and reused to reference project files.

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This commit is contained in:
jared gholston
2017-08-28 15:13:25 -07:00
committed by Joshua Granick
parent 0bcd26099e
commit 2143343f96
1 changed files with 37 additions and 13 deletions
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50
lime/tools/helpers/GUID.hx
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@@ -1,15 +1,21 @@
package lime.tools.helpers;
import haxe.crypto.Sha1;
import haxe.io.Bytes;
import haxe.crypto.Crc32;
// https://groups.google.com/d/msg/haxelang/N03kf5WSrTU/KU8nmsaqfIIJ
class GUID {
inline public static function randomIntegerWithinRange (min:Int, max:Int):Int {
inline public static function randomIntegerWithinRange (min:Int, max:Int, ?seeded:Bool = false):Int {
return Math.floor(Math.random() * (1 + max - min) + min);
return seeded ?
Math.floor(GUID.seededRandom() * (1 + max - min) + min) :
Math.floor(Math.random() * (1 + max - min) + min);
}
public static function createRandomIdentifier (length:Int, radix:Int = 61):String {
public static function createRandomIdentifier (length:Int, radix:Int = 61, ?seeded:Bool = false):String {
var characters = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'];
var id:Array<String> = new Array<String> ();
@@ -17,25 +23,43 @@ class GUID {
while (length-- > 0) {
id.push (characters[GUID.randomIntegerWithinRange (0, radix)]);
id.push (characters[GUID.randomIntegerWithinRange (0, radix, seeded)]);
}
return id.join('');
}
public static function uuid ():String {
public static function uuid (?seeded:Bool = false):String {
var specialChars = ['8', '9', 'A', 'B'];
return "{" + GUID.createRandomIdentifier (8, 15) + '-' +
GUID.createRandomIdentifier (4, 15) + '-4' +
GUID.createRandomIdentifier (3, 15) + '-' +
specialChars[GUID.randomIntegerWithinRange (0, 3)] +
GUID.createRandomIdentifier (3, 15) + '-' +
GUID.createRandomIdentifier (12, 15) +
return "{" + GUID.createRandomIdentifier (8, 15, seeded) + '-' +
GUID.createRandomIdentifier (4, 15, seeded) + '-4' +
GUID.createRandomIdentifier (3, 15, seeded) + '-' +
specialChars[GUID.randomIntegerWithinRange (0, 3, seeded)] +
GUID.createRandomIdentifier (3, 15, seeded) + '-' +
GUID.createRandomIdentifier (12, 15, seeded) +
"}";
}
private static var seed:Int = 0;
private static function setSeed(input:String):Int {
var inputBytes = Bytes.ofString(input);
var hashedBytes = Sha1.make(inputBytes);
return GUID.seed = Crc32.make(hashedBytes);
}
private static function seededRandom():Float {
GUID.seed++;
var x = Math.sin(GUID.seed) * 10000;
return x - Math.floor(x);
}
public static function seededUuid (seed:String):String {
GUID.setSeed(seed);
return uuid(true);
}
}