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Commit 106c733

Browse filesBrowse files
Nilmar Sanchez Muguercianicolas-grekas
Nilmar Sanchez Muguercia
authored and
nicolas-grekas
committed
[Uid] Improve the code
1 parent e0de6cc commit 106c733
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-40
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4 files changed

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‎src/Symfony/Component/Uid/BinaryUtil.php

Copy file name to clipboardExpand all lines: src/Symfony/Component/Uid/BinaryUtil.php
+19Lines changed: 19 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -36,6 +36,12 @@ class BinaryUtil
3636
'u' => 52, 'v' => 53, 'w' => 54, 'x' => 55, 'y' => 56, 'z' => 57,
3737
];
3838

39+
// https://tools.ietf.org/html/rfc4122#section-4.1.4
40+
// 0x01b21dd213814000 is the number of 100-ns intervals between the
41+
// UUID epoch 1582-10-15 00:00:00 and the Unix epoch 1970-01-01 00:00:00.
42+
private const TIME_OFFSET_INT = 0x01b21dd213814000;
43+
private const TIME_OFFSET_COM = "\xfe\x4d\xe2\x2d\xec\x7e\xc0\x00";
44+
3945
public static function toBase(string $bytes, array $map): string
4046
{
4147
$base = \strlen($alphabet = $map['']);
@@ -107,4 +113,17 @@ public static function add(string $a, string $b): string
107113

108114
return $a;
109115
}
116+
117+
public static function timeToFloat(string $time): float
118+
{
119+
if (\PHP_INT_SIZE >= 8) {
120+
return (hexdec($time) - self::TIME_OFFSET_INT) / 10000000;
121+
}
122+
123+
$time = str_pad(hex2bin($time), 8, "\0", STR_PAD_LEFT);
124+
$time = self::add($time, self::TIME_OFFSET_COM);
125+
$time[0] = $time[0] & "\x7F";
126+
127+
return self::toBase($time, self::BASE10) / 10000000;
128+
}
110129
}

‎src/Symfony/Component/Uid/Uuid.php

Copy file name to clipboardExpand all lines: src/Symfony/Component/Uid/Uuid.php
+12-10Lines changed: 12 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -76,12 +76,8 @@ final public static function v3(self $namespace, string $name): UuidV3
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{
7777
// don't use uuid_generate_md5(), some versions are buggy
7878
$uuid = md5(hex2bin(str_replace('-', '', $namespace->uid)).$name, true);
79-
$uuid[8] = $uuid[8] & "\x3F" | "\x80";
80-
$uuid = substr_replace(bin2hex($uuid), '-', 8, 0);
81-
$uuid = substr_replace($uuid, '-3', 13, 1);
82-
$uuid = substr_replace($uuid, '-', 18, 0);
8379

84-
return new UuidV3(substr_replace($uuid, '-', 23, 0));
80+
return new UuidV3(self::format($uuid, '-3'));
8581
}
8682

8783
final public static function v4(): UuidV4
@@ -93,12 +89,8 @@ final public static function v5(self $namespace, string $name): UuidV5
9389
{
9490
// don't use uuid_generate_sha1(), some versions are buggy
9591
$uuid = substr(sha1(hex2bin(str_replace('-', '', $namespace->uid)).$name, true), 0, 16);
96-
$uuid[8] = $uuid[8] & "\x3F" | "\x80";
97-
$uuid = substr_replace(bin2hex($uuid), '-', 8, 0);
98-
$uuid = substr_replace($uuid, '-5', 13, 1);
99-
$uuid = substr_replace($uuid, '-', 18, 0);
10092

101-
return new UuidV5(substr_replace($uuid, '-', 23, 0));
93+
return new UuidV5(self::format($uuid, '-5'));
10294
}
10395

10496
final public static function v6(): UuidV6
@@ -133,4 +125,14 @@ public function compare(parent $other): int
133125

134126
return parent::compare($other);
135127
}
128+
129+
private static function format(string $uuid, string $version): string
130+
{
131+
$uuid[8] = $uuid[8] & "\x3F" | "\x80";
132+
$uuid = substr_replace(bin2hex($uuid), '-', 8, 0);
133+
$uuid = substr_replace($uuid, $version, 13, 1);
134+
$uuid = substr_replace($uuid, '-', 18, 0);
135+
136+
return substr_replace($uuid, '-', 23, 0);
137+
}
136138
}

‎src/Symfony/Component/Uid/UuidV1.php

Copy file name to clipboardExpand all lines: src/Symfony/Component/Uid/UuidV1.php
+1-15Lines changed: 1 addition & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -22,12 +22,6 @@ class UuidV1 extends Uuid
2222
{
2323
protected const TYPE = UUID_TYPE_TIME;
2424

25-
// https://tools.ietf.org/html/rfc4122#section-4.1.4
26-
// 0x01b21dd213814000 is the number of 100-ns intervals between the
27-
// UUID epoch 1582-10-15 00:00:00 and the Unix epoch 1970-01-01 00:00:00.
28-
private const TIME_OFFSET_INT = 0x01b21dd213814000;
29-
private const TIME_OFFSET_COM = "\xfe\x4d\xe2\x2d\xec\x7e\xc0\x00";
30-
3125
public function __construct(string $uuid = null)
3226
{
3327
if (null === $uuid) {
@@ -41,15 +35,7 @@ public function getTime(): float
4135
{
4236
$time = '0'.substr($this->uid, 15, 3).substr($this->uid, 9, 4).substr($this->uid, 0, 8);
4337

44-
if (\PHP_INT_SIZE >= 8) {
45-
return (hexdec($time) - self::TIME_OFFSET_INT) / 10000000;
46-
}
47-
48-
$time = str_pad(hex2bin($time), 8, "\0", STR_PAD_LEFT);
49-
$time = BinaryUtil::add($time, self::TIME_OFFSET_COM);
50-
$time[0] = $time[0] & "\x7F";
51-
52-
return BinaryUtil::toBase($time, BinaryUtil::BASE10) / 10000000;
38+
return BinaryUtil::timeToFloat($time);
5339
}
5440

5541
public function getNode(): string

‎src/Symfony/Component/Uid/UuidV6.php

Copy file name to clipboardExpand all lines: src/Symfony/Component/Uid/UuidV6.php
+1-15Lines changed: 1 addition & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -22,12 +22,6 @@ class UuidV6 extends Uuid
2222
{
2323
protected const TYPE = 6;
2424

25-
// https://tools.ietf.org/html/rfc4122#section-4.1.4
26-
// 0x01b21dd213814000 is the number of 100-ns intervals between the
27-
// UUID epoch 1582-10-15 00:00:00 and the Unix epoch 1970-01-01 00:00:00.
28-
private const TIME_OFFSET_INT = 0x01b21dd213814000;
29-
private const TIME_OFFSET_COM = "\xfe\x4d\xe2\x2d\xec\x7e\xc0\x00";
30-
3125
public function __construct(string $uuid = null)
3226
{
3327
if (null === $uuid) {
@@ -42,15 +36,7 @@ public function getTime(): float
4236
{
4337
$time = '0'.substr($this->uid, 0, 8).substr($this->uid, 9, 4).substr($this->uid, 15, 3);
4438

45-
if (\PHP_INT_SIZE >= 8) {
46-
return (hexdec($time) - self::TIME_OFFSET_INT) / 10000000;
47-
}
48-
49-
$time = str_pad(hex2bin($time), 8, "\0", STR_PAD_LEFT);
50-
$time = BinaryUtil::add($time, self::TIME_OFFSET_COM);
51-
$time[0] = $time[0] & "\x7F";
52-
53-
return BinaryUtil::toBase($time, BinaryUtil::BASE10) / 10000000;
39+
return BinaryUtil::timeToFloat($time);
5440
}
5541

5642
public function getNode(): string

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