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time_period.go
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time_period.go
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// Copyright (c) 2017 Andrey Gayvoronsky <plandem@gmail.com>
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package primitives
import (
"encoding/xml"
)
//TimePeriodType is a direct mapping of XSD ST_TimePeriod
type TimePeriodType byte
//TimePeriodType maps for marshal/unmarshal process
var (
toTimePeriodType map[string]TimePeriodType
fromTimePeriodType map[TimePeriodType]string
)
//List of all possible values for TimePeriodType
const (
_ TimePeriodType = iota
TimePeriodToday
TimePeriodYesterday
TimePeriodTomorrow
TimePeriodLast7Days
TimePeriodThisMonth
TimePeriodLastMonth
TimePeriodNextMonth
TimePeriodThisWeek
TimePeriodLastWeek
TimePeriodNextWeek
)
func init() {
fromTimePeriodType = map[TimePeriodType]string{
TimePeriodToday: "today",
TimePeriodYesterday: "yesterday",
TimePeriodTomorrow: "tomorrow",
TimePeriodLast7Days: "last7Days",
TimePeriodThisMonth: "thisMonth",
TimePeriodLastMonth: "lastMonth",
TimePeriodNextMonth: "nextMonth",
TimePeriodThisWeek: "thisWeek",
TimePeriodLastWeek: "lastWeek",
TimePeriodNextWeek: "nextWeek",
}
toTimePeriodType = make(map[string]TimePeriodType, len(fromTimePeriodType))
for k, v := range fromTimePeriodType {
toTimePeriodType[v] = k
}
}
func (t TimePeriodType) String() string {
return fromTimePeriodType[t]
}
//MarshalXMLAttr marshal TimePeriodType
func (t *TimePeriodType) MarshalXMLAttr(name xml.Name) (xml.Attr, error) {
attr := xml.Attr{Name: name}
if v, ok := fromTimePeriodType[*t]; ok {
attr.Value = v
} else {
attr = xml.Attr{}
}
return attr, nil
}
//UnmarshalXMLAttr unmarshal TimePeriodType
func (t *TimePeriodType) UnmarshalXMLAttr(attr xml.Attr) error {
if v, ok := toTimePeriodType[attr.Value]; ok {
*t = v
}
return nil
}