46 lines
787 B
Go
46 lines
787 B
Go
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package compat
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type v struct {
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major uint16
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minor uint8
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patch uint8
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}
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// Returns <0 if "a < b"
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// Returns 0 if "a == b"
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// Returns >0 if "a > b"
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func compareVersions(a v, b []int) int {
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diff := int(a.major)
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if len(b) > 0 {
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diff -= b[0]
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}
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if diff == 0 {
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diff = int(a.minor)
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if len(b) > 1 {
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diff -= b[1]
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}
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}
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if diff == 0 {
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diff = int(a.patch)
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if len(b) > 2 {
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diff -= b[2]
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}
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}
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return diff
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}
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// The start is inclusive and the end is exclusive
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type versionRange struct {
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start v
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end v // Use 0.0.0 for "no end"
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}
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func isVersionSupported(ranges []versionRange, version []int) bool {
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for _, r := range ranges {
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if compareVersions(r.start, version) <= 0 && (r.end == (v{}) || compareVersions(r.end, version) > 0) {
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return true
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}
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}
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return false
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}
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