Parse versions string into struct

2023-04-14 13:24:20 +02:00
parent 6b745d3e81
commit 004f562b59
3 changed files with 83 additions and 22 deletions
@@ -0,0 +1,66 @@
+package useragent
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+type VersionNo struct {
+	Major int
+	Minor int
+	Patch int
+}
+
+func parseVersion(ver string, verno *VersionNo) {
+	var err error
+	parts := strings.Split(ver, ".")
+	if len(parts) > 0 {
+		if verno.Major, err = strconv.Atoi(parts[0]); err != nil {
+			return
+		}
+	}
+	if len(parts) > 1 {
+		if verno.Minor, err = strconv.Atoi(parts[1]); err != nil {
+			return
+		}
+		if len(parts) > 2 {
+			if verno.Patch, err = strconv.Atoi(parts[2]); err != nil {
+				return
+			}
+		}
+	}
+	return
+}
+
+// VersionNoShort return version string in format <Major>.<Minor>
+func (ua UserAgent) VersionNoShort() string {
+	if ua.VersionNo.Major == 0 && ua.VersionNo.Minor == 0 && ua.VersionNo.Patch == 0 {
+		return ""
+	}
+	return fmt.Sprintf("%d.%d", ua.VersionNo.Major, ua.VersionNo.Minor)
+}
+
+// VersionNoFull returns version string in format <Major>.<Minor>.<Patch>
+func (ua UserAgent) VersionNoFull() string {
+	if ua.VersionNo.Major == 0 && ua.VersionNo.Minor == 0 && ua.VersionNo.Patch == 0 {
+		return ""
+	}
+	return fmt.Sprintf("%d.%d.%d", ua.VersionNo.Major, ua.VersionNo.Minor, ua.VersionNo.Patch)
+}
+
+// OSVersionNoShort returns OS version string in format <Major>.<Minor>
+func (ua UserAgent) OSVersionNoShort() string {
+	if ua.OSVersionNo.Major == 0 && ua.OSVersionNo.Minor == 0 && ua.OSVersionNo.Patch == 0 {
+		return ""
+	}
+	return fmt.Sprintf("%d.%d", ua.OSVersionNo.Major, ua.OSVersionNo.Minor)
+}
+
+// OSVersionNoFull returns OS version string in format <Major>.<Minor>.<Patch>
+func (ua UserAgent) OSVersionNoFull() string {
+	if ua.OSVersionNo.Major == 0 && ua.OSVersionNo.Minor == 0 && ua.OSVersionNo.Patch == 0 {
+		return ""
+	}
+	return fmt.Sprintf("%d.%d.%d", ua.OSVersionNo.Major, ua.OSVersionNo.Minor, ua.OSVersionNo.Patch)
+}