68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package version
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import (
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"strconv"
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"strings"
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)
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// Version represents a semantic version string
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type Version string
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// Platform represents combined platform-architecture format (e.g., "linux-amd64")
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type Platform string
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// ParsePlatform converts "linux-amd64" → platform="linux", arch="amd64"
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func ParsePlatform(p Platform) (platform, architecture string) {
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parts := strings.SplitN(string(p), "-", 2)
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if len(parts) == 2 {
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return parts[0], parts[1]
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}
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return string(p), ""
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}
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// String returns the full platform string
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func (p Platform) String() string {
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return string(p)
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}
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// Compare returns -1, 0, or 1 for v < other, v == other, v > other
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func (v Version) Compare(other Version) int {
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v1Parts := strings.Split(string(v), ".")
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v2Parts := strings.Split(string(other), ".")
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maxLen := len(v1Parts)
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if len(v2Parts) > maxLen {
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maxLen = len(v2Parts)
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}
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for i := 0; i < maxLen; i++ {
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v1Num := 0
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v2Num := 0
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if i < len(v1Parts) {
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v1Num, _ = strconv.Atoi(v1Parts[i])
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}
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if i < len(v2Parts) {
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v2Num, _ = strconv.Atoi(v2Parts[i])
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}
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if v1Num < v2Num {
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return -1
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}
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if v1Num > v2Num {
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return 1
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}
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}
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return 0
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}
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// IsUpgrade returns true if other is newer than v
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func (v Version) IsUpgrade(other Version) bool {
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return v.Compare(other) < 0
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}
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// IsValid returns true if version string is non-empty
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func (v Version) IsValid() bool {
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return string(v) != ""
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}
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