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9fe4437bda
* Use vendored go-swagger * vendor go-swagger * revert un wanteed change * remove un-needed GO111MODULE * Update Makefile Co-Authored-By: techknowlogick <matti@mdranta.net>
97 lines
2.7 KiB
Go
Vendored
97 lines
2.7 KiB
Go
Vendored
package govalidator
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import (
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"math"
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"reflect"
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)
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// Abs returns absolute value of number
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func Abs(value float64) float64 {
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return math.Abs(value)
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}
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// Sign returns signum of number: 1 in case of value > 0, -1 in case of value < 0, 0 otherwise
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func Sign(value float64) float64 {
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if value > 0 {
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return 1
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} else if value < 0 {
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return -1
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} else {
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return 0
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}
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}
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// IsNegative returns true if value < 0
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func IsNegative(value float64) bool {
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return value < 0
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}
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// IsPositive returns true if value > 0
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func IsPositive(value float64) bool {
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return value > 0
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}
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// IsNonNegative returns true if value >= 0
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func IsNonNegative(value float64) bool {
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return value >= 0
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}
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// IsNonPositive returns true if value <= 0
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func IsNonPositive(value float64) bool {
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return value <= 0
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}
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// InRange returns true if value lies between left and right border
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func InRangeInt(value, left, right interface{}) bool {
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value64, _ := ToInt(value)
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left64, _ := ToInt(left)
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right64, _ := ToInt(right)
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if left64 > right64 {
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left64, right64 = right64, left64
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}
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return value64 >= left64 && value64 <= right64
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}
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// InRange returns true if value lies between left and right border
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func InRangeFloat32(value, left, right float32) bool {
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if left > right {
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left, right = right, left
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}
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return value >= left && value <= right
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}
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// InRange returns true if value lies between left and right border
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func InRangeFloat64(value, left, right float64) bool {
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if left > right {
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left, right = right, left
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}
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return value >= left && value <= right
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}
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// InRange returns true if value lies between left and right border, generic type to handle int, float32 or float64, all types must the same type
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func InRange(value interface{}, left interface{}, right interface{}) bool {
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reflectValue := reflect.TypeOf(value).Kind()
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reflectLeft := reflect.TypeOf(left).Kind()
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reflectRight := reflect.TypeOf(right).Kind()
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if reflectValue == reflect.Int && reflectLeft == reflect.Int && reflectRight == reflect.Int {
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return InRangeInt(value.(int), left.(int), right.(int))
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} else if reflectValue == reflect.Float32 && reflectLeft == reflect.Float32 && reflectRight == reflect.Float32 {
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return InRangeFloat32(value.(float32), left.(float32), right.(float32))
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} else if reflectValue == reflect.Float64 && reflectLeft == reflect.Float64 && reflectRight == reflect.Float64 {
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return InRangeFloat64(value.(float64), left.(float64), right.(float64))
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} else {
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return false
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}
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}
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// IsWhole returns true if value is whole number
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func IsWhole(value float64) bool {
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return math.Remainder(value, 1) == 0
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}
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// IsNatural returns true if value is natural number (positive and whole)
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func IsNatural(value float64) bool {
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return IsWhole(value) && IsPositive(value)
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}
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