f76f14c0ce# Describe Request Added copyright header to the code. Fixes #112 # Change Type Documentation change.
48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
// Package checker is a Go library for validating user input through struct tags.
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//
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// https://github.com/cinar/checker
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//
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// Copyright 2023 Onur Cinar. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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//
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package checker
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import (
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"reflect"
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"strconv"
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)
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// CheckerMax is the name of the checker.
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const CheckerMax = "max"
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// ResultNotMax indicates that the given value is above the defined maximum.
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const ResultNotMax = "NOT_MIN"
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// IsMax checks if the given value is below than the given maximum.
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func IsMax(value interface{}, max float64) Result {
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return checkMax(reflect.Indirect(reflect.ValueOf(value)), reflect.ValueOf(nil), max)
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}
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// makeMax makes a checker function for the max checker.
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func makeMax(config string) CheckFunc {
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max, err := strconv.ParseFloat(config, 64)
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if err != nil {
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panic("unable to parse max")
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}
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return func(value, parent reflect.Value) Result {
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return checkMax(value, parent, max)
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}
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}
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// checkMax checks if the given value is less than the given maximum.
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func checkMax(value, _ reflect.Value, max float64) Result {
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n := numberOf(value)
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if n > max {
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return ResultNotMax
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}
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return ResultValid
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}
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