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

server/pkg/slice/strings.go

@@ -0,0 +1,89 @@
+package slice
+
+func ContainsAny[C comparable](haystack []C, needles ...C) bool {
+	for _, h := range haystack {
+		for _, n := range needles {
+			if h == n {
+				return true
+			}
+		}
+	}
+
+	return false
+}
+
+func ContainsAll[C comparable](haystack []C, needles ...C) bool {
+	var matches = 0
+	for _, h := range haystack {
+		for _, n := range needles {
+			if h == n {
+				matches++
+			}
+		}
+	}
+
+	return len(needles) == matches
+}
+
+func IntersectStrings(a []string, b []string) []string {
+	var (
+		out = make([]string, 0, len(a)+len(b))
+		ah  = ToStringBoolMap(a)
+	)
+
+	for i := 0; i < len(b); i++ {
+		if ah[b[i]] {
+			out = append(out, b[i])
+		}
+	}
+
+	return out
+}
+
+func ToStringBoolMap(s []string) (h map[string]bool) {
+	h = make(map[string]bool)
+	for i := 0; i < len(s); i++ {
+		h[s[i]] = true
+	}
+
+	return
+}
+
+func ToUint64BoolMap(u []uint64) (h map[uint64]bool) {
+	h = make(map[uint64]bool)
+	for i := 0; i < len(u); i++ {
+		h[u[i]] = true
+	}
+
+	return
+}
+
+// @todo replace with ContainsAny
+func HasString(ss []string, s string) bool {
+	for i := range ss {
+		if ss[i] == s {
+			return true
+		}
+	}
+
+	return false
+}
+
+// RemoveString removes one or more strings form the input slice
+func PluckString(ss []string, ff ...string) (o []string) {
+	if len(ff) == 0 {
+		return ss
+	}
+
+	f := ToStringBoolMap(ff)
+	o = make([]string, 0, len(ss))
+
+	for _, s := range ss {
+		if !f[s] {
+			// remove from the list
+			o = append(o, s)
+		}
+	}
+
+	return o
+}