snapshot of https://github.com/cortezaproject/corteza.git (2024.9.x, 2026-09-18; blobs > 131072B omitted)

server/pkg/str/str.go

@@ -0,0 +1,75 @@
+package str
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"github.com/cortezaproject/corteza/server/pkg/handle"
+	"strings"
+)
+
+const (
+	// DefaultLevenshteinDistance is the default levenshtein distance
+	DefaultLevenshteinDistance = 3
+
+	CaseInSensitiveMatch = iota
+	CaseSensitiveMatch
+	LevenshteinDistance
+	Soundex
+)
+
+// Match will match string as per given algorithm
+func Match(str1, str2 string, algorithm int) bool {
+	switch algorithm {
+	case LevenshteinDistance:
+		return ToLevenshteinDistance(str1, str2) <= DefaultLevenshteinDistance
+	case Soundex:
+		return ToSoundex(str1) == ToSoundex(str2)
+	case CaseSensitiveMatch:
+		return strings.Compare(str1, str2) == 0
+	case CaseInSensitiveMatch:
+		return strings.EqualFold(str1, str2)
+	default:
+		return false
+	}
+}
+
+func ParseStrings(ss []string) (m map[string]string, err error) {
+	if len(ss) == 0 {
+		return nil, nil
+	}
+
+	m = make(map[string]string)
+
+	for _, s := range ss {
+		if strings.HasPrefix(s, "{") && strings.HasSuffix(s, "}") {
+			// assume json
+			if err = json.Unmarshal([]byte(s), &m); err != nil {
+				return nil, err
+			}
+
+			continue
+		}
+
+		kv := strings.SplitN(s, "=", 2)
+		if len(kv) != 2 {
+			return nil, fmt.Errorf("invalid label format")
+		}
+
+		if !handle.IsValid(kv[0]) {
+			return nil, fmt.Errorf("invalid label key format")
+		}
+
+		m[kv[0]] = kv[1]
+	}
+
+	return m, nil
+}
+
+func HashStringSHA256(str string) string {
+	h := sha256.New()
+	h.Write([]byte(str))
+
+	return hex.EncodeToString(h.Sum(nil))
+}