-
Notifications
You must be signed in to change notification settings - Fork 50
/
SemVer.scala
74 lines (53 loc) · 2.76 KB
/
SemVer.scala
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
/*
* Copyright (c) 2021 Typelevel
*
* 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 cats.parse
import cats.implicits._
/** SemVer 2.0.0 Parser based on https://semver.org */
object SemVer {
case class Core(major: String, minor: String, patch: String)
case class SemVer(core: Core, preRelease: Option[String], buildMetadata: Option[String])
val dot: Parser[Char] = Parser.charIn('.')
val hyphen: Parser[Char] = Parser.charIn('-')
val plus: Parser[Char] = Parser.charIn('+')
val letter: Parser[Char] = Parser.ignoreCaseCharIn('a' to 'z')
val nonDigit: Parser[Char] = letter | hyphen
val identifierChar: Parser[Char] = Numbers.digit | nonDigit
val identifierChars: Parser[String] = identifierChar.rep.string
def numericIdentifier: Parser[String] = Numbers.nonNegativeIntString
val alphanumericIdentifier: Parser[String] = identifierChars
val buildIdentifier: Parser[String] = alphanumericIdentifier
val preReleaseIdentifier: Parser[String] = alphanumericIdentifier
val dotSeparatedBuildIdentifiers: Parser[String] = buildIdentifier.repSep(dot).string
val build: Parser[String] = dotSeparatedBuildIdentifiers
val dotSeparatedPreReleaseIdentifiers: Parser[String] =
preReleaseIdentifier.repSep(dot).string
val preRelease: Parser[String] = dotSeparatedPreReleaseIdentifiers
val patch: Parser[String] = numericIdentifier
val minor: Parser[String] = numericIdentifier
val major: Parser[String] = numericIdentifier
val core: Parser[Core] = (major, dot *> minor, dot *> patch).mapN(Core.apply)
val coreString: Parser[String] = core.string
val semver: Parser[SemVer] =
(core ~ (hyphen *> preRelease).? ~ (plus *> build).?).map { case ((c, p), b) =>
SemVer(c, p, b)
}
val semverString: Parser[String] = semver.string
}