98 lines
2 KiB
Go
98 lines
2 KiB
Go
// Licensed to Elasticsearch B.V. under one or more contributor
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// license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright
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// ownership. Elasticsearch B.V. licenses this file to you under
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// the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package dtfmt
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import (
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"time"
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)
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// ctx stores pre-computed time fields used by the formatter.
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type ctx struct {
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year int
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month time.Month
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day int
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weekday time.Weekday
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yearday int
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isoWeek, isoYear int
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hour, min, sec int
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millis int
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buf []byte
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}
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type ctxConfig struct {
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date bool
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clock bool
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weekday bool
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yearday bool
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millis bool
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iso bool
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}
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func (c *ctx) initTime(config *ctxConfig, t time.Time) {
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if config.date {
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c.year, c.month, c.day = t.Date()
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}
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if config.clock {
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c.hour, c.min, c.sec = t.Clock()
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}
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if config.iso {
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c.isoYear, c.isoWeek = t.ISOWeek()
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}
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if config.millis {
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c.millis = t.Nanosecond() / 1000000
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}
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if config.yearday {
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c.yearday = t.YearDay()
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}
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if config.weekday {
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c.weekday = t.Weekday()
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}
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}
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func (c *ctxConfig) enableDate() {
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c.date = true
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}
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func (c *ctxConfig) enableClock() {
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c.clock = true
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}
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func (c *ctxConfig) enableMillis() {
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c.millis = true
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}
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func (c *ctxConfig) enableWeekday() {
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c.weekday = true
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}
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func (c *ctxConfig) enableYearday() {
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c.yearday = true
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}
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func (c *ctxConfig) enableISO() {
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c.iso = true
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}
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func isLeap(year int) bool {
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return year%4 == 0 && (year%100 != 0 || year%400 == 0)
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}
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