Finished Crypto

version.go

@@ -0,0 +1,72 @@
+package go_i2cp
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+type Version struct {
+	major, minor, micro, qualifier uint16
+	version                        string
+}
+
+func parseVersion(str string) Version {
+	var err error
+	var v Version = Version{}
+	segments := strings.Split(str, ".")
+	n := len(segments)
+	if n > 0 {
+		var i int
+		i, err = strconv.Atoi(segments[0])
+		v.major = uint16(i)
+	}
+	if n > 1 {
+		var i int
+		i, err = strconv.Atoi(segments[1])
+		v.minor = uint16(i)
+	}
+	if n > 2 {
+		var i int
+		i, err = strconv.Atoi(segments[2])
+		v.micro = uint16(i)
+	}
+	if n > 3 {
+		var i int
+		i, err = strconv.Atoi(segments[3])
+		v.qualifier = uint16(i)
+	}
+	return v
+}
+
+func (v *Version) compare(other Version) int {
+	if v.major != other.major {
+		if (v.major - other.major) > 0 {
+			return 1
+		} else {
+			return -1
+		}
+	}
+	if v.minor != other.minor {
+		if (v.minor - other.minor) > 0 {
+			return 1
+		} else {
+			return -1
+		}
+	}
+	if v.micro != other.micro {
+		if (v.micro - other.micro) > 0 {
+			return 1
+		} else {
+			return -1
+		}
+	}
+	if v.qualifier != other.qualifier {
+		if (v.qualifier - other.qualifier) > 0 {
+			return 1
+		} else {
+			return -1
+		}
+	}
+	return 0
+}