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length_unit_gen.go
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length_unit_gen.go
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// Code generated from "enum.go.tmpl" - DO NOT EDIT.
// Copyright (c) 1998-2024 by Richard A. Wilkes. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, version 2.0. If a copy of the MPL was not distributed with
// this file, You can obtain one at http://mozilla.org/MPL/2.0/.
//
// This Source Code Form is "Incompatible With Secondary Licenses", as
// defined by the Mozilla Public License, version 2.0.
package fxp
import (
"strings"
"github.com/richardwilkes/toolbox/i18n"
)
// Possible values.
const (
FeetAndInches LengthUnit = iota
Inch
Feet
Yard
Mile
Centimeter
Kilometer
Meter
)
// LastLengthUnit is the last valid value.
const LastLengthUnit LengthUnit = Meter
// LengthUnits holds all possible values.
var LengthUnits = []LengthUnit{
FeetAndInches,
Inch,
Feet,
Yard,
Mile,
Centimeter,
Kilometer,
Meter,
}
// LengthUnit holds the length unit type. Note that conversions to/from metric are done using the simplified GURPS
// metric conversion of 1 yd = 1 meter. For consistency, all metric lengths are converted to meters, then to yards,
// rather than the variations at different lengths that the GURPS rules suggest.
type LengthUnit byte
// EnsureValid ensures this is of a known value.
func (enum LengthUnit) EnsureValid() LengthUnit {
if enum <= Meter {
return enum
}
return 0
}
// Key returns the key used in serialization.
func (enum LengthUnit) Key() string {
switch enum {
case FeetAndInches:
return "ft_in"
case Inch:
return "in"
case Feet:
return "ft"
case Yard:
return "yd"
case Mile:
return "mi"
case Centimeter:
return "cm"
case Kilometer:
return "km"
case Meter:
return "m"
default:
return LengthUnit(0).Key()
}
}
// String implements fmt.Stringer.
func (enum LengthUnit) String() string {
switch enum {
case FeetAndInches:
return i18n.Text("Feet & Inches")
case Inch:
return "in"
case Feet:
return "ft"
case Yard:
return "yd"
case Mile:
return "mi"
case Centimeter:
return "cm"
case Kilometer:
return "km"
case Meter:
return "m"
default:
return LengthUnit(0).String()
}
}
// MarshalText implements the encoding.TextMarshaler interface.
func (enum LengthUnit) MarshalText() (text []byte, err error) {
return []byte(enum.Key()), nil
}
// UnmarshalText implements the encoding.TextUnmarshaler interface.
func (enum *LengthUnit) UnmarshalText(text []byte) error {
*enum = ExtractLengthUnit(string(text))
return nil
}
// ExtractLengthUnit extracts the value from a string.
func ExtractLengthUnit(str string) LengthUnit {
for _, enum := range LengthUnits {
if strings.EqualFold(enum.Key(), str) {
return enum
}
}
return 0
}