forked from Fuyu/validate
48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package validate
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import (
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"reflect"
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"regexp"
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"strconv"
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)
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// InputFunc is a function that converts the parameter of a validation rule to the desired type
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type InputFunc func(reflect.Kind, string) interface{}
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// InputInt always returns an int
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func InputInt(kind reflect.Kind, value string) interface{} {
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return int(InputSame(reflect.Int, value).(int64))
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}
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// InputRegexp always returns a compiled regular expression
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func InputRegexp(kind reflect.Kind, value string) interface{} {
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return regexp.MustCompile(value)
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}
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// InputSame returns the type matching the field
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func InputSame(kind reflect.Kind, value string) interface{} {
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var val interface{}
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var err error
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switch kind {
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case reflect.String:
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val = value
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case reflect.Int:
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val, err = strconv.ParseInt(value, 10, 64)
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case reflect.Uint:
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val, err = strconv.ParseUint(value, 10, 64)
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case reflect.Float64:
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val, err = strconv.ParseFloat(value, 64)
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case reflect.Bool:
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val, err = strconv.ParseBool(value)
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default:
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panic(`Cannot pass value to checks on type ` + kind.String())
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}
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if err != nil {
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panic(`Invalid value "` + value + `"`)
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}
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return val
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}
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