youtubebeat/vendor/github.com/elastic/beats/libbeat/common/dtfmt/fields.go

147 lines
3 KiB
Go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package dtfmt
import (
"errors"
"time"
)
type fieldType uint8
const (
ftYear fieldType = iota
ftDayOfYear
ftMonthOfYear
ftDayOfMonth
ftWeekyear
ftWeekOfWeekyear
ftDayOfWeek
ftHalfdayOfDay
ftHourOfHalfday
ftClockhourOfHalfday
ftClockhourOfDay
ftHourOfDay
ftMinuteOfDay
ftMinuteOfHour
ftSecondOfDay
ftSecondOfMinute
ftMillisOfDay
ftMillisOfSecond
)
func getIntField(ft fieldType, ctx *ctx, t time.Time) (int, error) {
switch ft {
case ftYear:
return ctx.year, nil
case ftDayOfYear:
return ctx.yearday, nil
case ftMonthOfYear:
return int(ctx.month), nil
case ftDayOfMonth:
return ctx.day, nil
case ftWeekyear:
return ctx.isoYear, nil
case ftWeekOfWeekyear:
return ctx.isoWeek, nil
case ftDayOfWeek:
return int(ctx.weekday), nil
case ftHalfdayOfDay:
if ctx.hour < 12 {
return 0, nil // AM
}
return 1, nil // PM
case ftHourOfHalfday:
if ctx.hour < 12 {
return ctx.hour, nil
}
return ctx.hour - 12, nil
case ftClockhourOfHalfday:
if ctx.hour < 12 {
return ctx.hour + 1, nil
}
return ctx.hour - 12 + 1, nil
case ftClockhourOfDay:
return ctx.hour + 1, nil
case ftHourOfDay:
return ctx.hour, nil
case ftMinuteOfDay:
return ctx.hour*60 + ctx.min, nil
case ftMinuteOfHour:
return ctx.min, nil
case ftSecondOfDay:
return (ctx.hour*60+ctx.min)*60 + ctx.sec, nil
case ftSecondOfMinute:
return ctx.sec, nil
case ftMillisOfDay:
return ((ctx.hour*60+ctx.min)*60+ctx.sec)*1000 + ctx.millis, nil
case ftMillisOfSecond:
return ctx.millis, nil
}
return 0, nil
}
func getTextField(ft fieldType, ctx *ctx, t time.Time) (string, error) {
switch ft {
case ftHalfdayOfDay:
if ctx.hour < 12 {
return "AM", nil
}
return "PM", nil
case ftDayOfWeek:
return ctx.weekday.String(), nil
case ftMonthOfYear:
return ctx.month.String(), nil
default:
return "", errors.New("no text field")
}
}
func getTextFieldShort(ft fieldType, ctx *ctx, t time.Time) (string, error) {
switch ft {
case ftHalfdayOfDay:
if ctx.hour < 12 {
return "AM", nil
}
return "PM", nil
case ftDayOfWeek:
return ctx.weekday.String()[:3], nil
case ftMonthOfYear:
return ctx.month.String()[:3], nil
default:
return "", errors.New("no text field")
}
}