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ntool/narr/check.go

106 lines
2.5 KiB
Go

package narr
import (
"git.noahlan.cn/noahlan/ntool/ndef"
"git.noahlan.cn/noahlan/ntool/nmath"
"reflect"
"strings"
)
// NotIn check the given value whether not in the list
func NotIn[T ndef.ScalarType](list []T, value T) bool {
return !In(list, value)
}
// In check the given value whether in the list
func In[T ndef.ScalarType](list []T, value T) bool {
for _, elem := range list {
if elem == value {
return true
}
}
return false
}
// ContainsAll check given values is sub-list of sample list.
func ContainsAll[T ndef.ScalarType](list, values []T) bool {
return IsSubList(values, list)
}
// IsSubList check given values is sub-list of sample list.
func IsSubList[T ndef.ScalarType](values, list []T) bool {
for _, value := range values {
if !In(list, value) {
return false
}
}
return true
}
// IsParent check given values is parent-list of samples.
func IsParent[T ndef.ScalarType](values, list []T) bool {
return IsSubList(list, values)
}
// StringsHas check the []string contains the given element
func StringsHas(ss []string, val string) bool {
return In(ss, val)
}
// IntsHas check the []int contains the given value
func IntsHas(ints []int, val int) bool {
return In(ints, val)
}
// Int64sHas check the []int64 contains the given value
func Int64sHas(ints []int64, val int64) bool {
return In(ints, val)
}
// HasValue check array(strings, intXs, uintXs) should be contained the given value(int(X),string).
func HasValue(arr, val any) bool { return Contains(arr, val) }
// Contains check slice/array(strings, intXs, uintXs) should be contained the given value(int(X),string).
//
// TIP: Difference the In(), Contains() will try to convert value type,
// and Contains() support array type.
func Contains(arr, val any) bool {
if val == nil || arr == nil {
return false
}
// if is string value
if strVal, ok := val.(string); ok {
if ss, ok := arr.([]string); ok {
return StringsHas(ss, strVal)
}
rv := reflect.ValueOf(arr)
if rv.Kind() == reflect.Slice || rv.Kind() == reflect.Array {
for i := 0; i < rv.Len(); i++ {
if v, ok := rv.Index(i).Interface().(string); ok && strings.EqualFold(v, strVal) {
return true
}
}
}
return false
}
// as int value
intVal, err := nmath.Int64(val)
if err != nil {
return false
}
if int64s, err := ToInt64s(arr); err == nil {
return Int64sHas(int64s, intVal)
}
return false
}
// NotContains check array(strings, ints, uints) should be not contains the given value.
func NotContains(arr, val any) bool {
return !Contains(arr, val)
}