add gstr.IsGNUVersion (#1937)

gogf · Jun 24, 2022 · d7faae0 · d7faae0
1 parent f051159
commit d7faae0
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diff --git a/text/gstr/gstr_version.go b/text/gstr/gstr_version.go
@@ -12,6 +12,32 @@ import (
 	"github.com/gogf/gf/v2/util/gconv"
 )
 
+// IsGNUVersion checks and returns whether given `version` is valid GNU version string.
+func IsGNUVersion(version string) bool {
+	if version != "" && (version[0] == 'v' || version[0] == 'V') {
+		version = version[1:]
+	}
+	if version == "" {
+		return false
+	}
+	var array = strings.Split(version, ".")
+	if len(array) > 3 {
+		return false
+	}
+	for _, v := range array {
+		if v == "" {
+			return false
+		}
+		if !IsNumeric(v) {
+			return false
+		}
+		if v[0] == '-' || v[0] == '+' {
+			return false
+		}
+	}
+	return true
+}
+
 // CompareVersion compares `a` and `b` as standard GNU version.
 // It returns  1 if `a` > `b`.
 // It returns -1 if `a` < `b`.

diff --git a/text/gstr/gstr_z_unit_version_test.go b/text/gstr/gstr_z_unit_version_test.go
@@ -15,6 +15,23 @@ import (
 	"github.com/gogf/gf/v2/text/gstr"
 )
 
+func Test_IsGNUVersion(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		t.AssertEQ(gstr.IsGNUVersion(""), false)
+		t.AssertEQ(gstr.IsGNUVersion("v"), false)
+		t.AssertEQ(gstr.IsGNUVersion("v0"), true)
+		t.AssertEQ(gstr.IsGNUVersion("v0."), false)
+		t.AssertEQ(gstr.IsGNUVersion("v1."), false)
+		t.AssertEQ(gstr.IsGNUVersion("v1.1"), true)
+		t.AssertEQ(gstr.IsGNUVersion("v1.1.0"), true)
+		t.AssertEQ(gstr.IsGNUVersion("v1.1."), false)
+		t.AssertEQ(gstr.IsGNUVersion("v1.1.0.0"), false)
+		t.AssertEQ(gstr.IsGNUVersion("v0.0.0"), true)
+		t.AssertEQ(gstr.IsGNUVersion("v1.1.-1"), false)
+		t.AssertEQ(gstr.IsGNUVersion("v1.1.+1"), false)
+	})
+}
+
 func Test_CompareVersion(t *testing.T) {
 	gtest.C(t, func(t *gtest.T) {
 		t.AssertEQ(gstr.CompareVersion("1", ""), 1)