sing-box/common/badversion/version.go

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package badversion
import (
"strconv"
"strings"
F "github.com/sagernet/sing/common/format"
)
type Version struct {
Major int
Minor int
Patch int
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Commit string
PreReleaseIdentifier string
PreReleaseVersion int
}
func (v Version) After(anotherVersion Version) bool {
if v.Major > anotherVersion.Major {
return true
} else if v.Major < anotherVersion.Major {
return false
}
if v.Minor > anotherVersion.Minor {
return true
} else if v.Minor < anotherVersion.Minor {
return false
}
if v.Patch > anotherVersion.Patch {
return true
} else if v.Patch < anotherVersion.Patch {
return false
}
if v.PreReleaseIdentifier == "" && anotherVersion.PreReleaseIdentifier != "" {
return true
} else if v.PreReleaseIdentifier != "" && anotherVersion.PreReleaseIdentifier == "" {
return false
}
if v.PreReleaseIdentifier != "" && anotherVersion.PreReleaseIdentifier != "" {
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if v.PreReleaseIdentifier == anotherVersion.PreReleaseIdentifier {
if v.PreReleaseVersion > anotherVersion.PreReleaseVersion {
return true
} else if v.PreReleaseVersion < anotherVersion.PreReleaseVersion {
return false
}
} else if v.PreReleaseIdentifier == "rc" && anotherVersion.PreReleaseIdentifier == "beta" {
return true
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} else if v.PreReleaseIdentifier == "beta" && anotherVersion.PreReleaseIdentifier == "rc" {
return false
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} else if v.PreReleaseIdentifier == "beta" && anotherVersion.PreReleaseIdentifier == "alpha" {
return true
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} else if v.PreReleaseIdentifier == "alpha" && anotherVersion.PreReleaseIdentifier == "beta" {
return false
}
}
return false
}
func (v Version) String() string {
version := F.ToString(v.Major, ".", v.Minor, ".", v.Patch)
if v.PreReleaseIdentifier != "" {
version = F.ToString(version, "-", v.PreReleaseIdentifier, ".", v.PreReleaseVersion)
}
return version
}
func (v Version) BadString() string {
version := F.ToString(v.Major, ".", v.Minor)
if v.Patch > 0 {
version = F.ToString(version, ".", v.Patch)
}
if v.PreReleaseIdentifier != "" {
version = F.ToString(version, "-", v.PreReleaseIdentifier)
if v.PreReleaseVersion > 0 {
version = F.ToString(version, v.PreReleaseVersion)
}
}
return version
}
func Parse(versionName string) (version Version) {
if strings.HasPrefix(versionName, "v") {
versionName = versionName[1:]
}
if strings.Contains(versionName, "-") {
parts := strings.Split(versionName, "-")
versionName = parts[0]
identifier := parts[1]
if strings.Contains(identifier, ".") {
identifierParts := strings.Split(identifier, ".")
version.PreReleaseIdentifier = identifierParts[0]
if len(identifierParts) >= 2 {
version.PreReleaseVersion, _ = strconv.Atoi(identifierParts[1])
}
} else {
if strings.HasPrefix(identifier, "alpha") {
version.PreReleaseIdentifier = "alpha"
version.PreReleaseVersion, _ = strconv.Atoi(identifier[5:])
} else if strings.HasPrefix(identifier, "beta") {
version.PreReleaseIdentifier = "beta"
version.PreReleaseVersion, _ = strconv.Atoi(identifier[4:])
} else {
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version.Commit = identifier
}
}
}
versionElements := strings.Split(versionName, ".")
versionLen := len(versionElements)
if versionLen >= 1 {
version.Major, _ = strconv.Atoi(versionElements[0])
}
if versionLen >= 2 {
version.Minor, _ = strconv.Atoi(versionElements[1])
}
if versionLen >= 3 {
version.Patch, _ = strconv.Atoi(versionElements[2])
}
return
}