f76f14c0ce# Describe Request Added copyright header to the code. Fixes #112 # Change Type Documentation change.
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
// Package checker is a Go library for validating user input through struct tags.
|
|
//
|
|
// https://github.com/cinar/checker
|
|
//
|
|
// Copyright 2023 Onur Cinar. All rights reserved.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
//
|
|
package checker
|
|
|
|
import (
|
|
"reflect"
|
|
"unicode"
|
|
)
|
|
|
|
// CheckerAlphanumeric is the name of the checker.
|
|
const CheckerAlphanumeric = "alphanumeric"
|
|
|
|
// ResultNotAlphanumeric indicates that the given string contains non-alphanumeric characters.
|
|
const ResultNotAlphanumeric = "NOT_ALPHANUMERIC"
|
|
|
|
// IsAlphanumeric checks if the given string consists of only alphanumeric characters.
|
|
func IsAlphanumeric(value string) Result {
|
|
for _, c := range value {
|
|
if !unicode.IsDigit(c) && !unicode.IsLetter(c) {
|
|
return ResultNotAlphanumeric
|
|
}
|
|
}
|
|
|
|
return ResultValid
|
|
}
|
|
|
|
// makeAlphanumeric makes a checker function for the alphanumeric checker.
|
|
func makeAlphanumeric(_ string) CheckFunc {
|
|
return checkAlphanumeric
|
|
}
|
|
|
|
// checkAlphanumeric checks if the given string consists of only alphanumeric characters.
|
|
func checkAlphanumeric(value, _ reflect.Value) Result {
|
|
if value.Kind() != reflect.String {
|
|
panic("string expected")
|
|
}
|
|
|
|
return IsAlphanumeric(value.String())
|
|
}
|