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709971df73
--- updated-dependencies: - dependency-name: github.com/dromara/carbon/v2 dependency-version: 2.6.11 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>
143 lines
6.7 KiB
Go
143 lines
6.7 KiB
Go
package carbon
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import (
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"bytes"
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"fmt"
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"strconv"
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"time"
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)
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// format map
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var formatMap = map[byte]string{
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'd': "02", // Day: Day of the month, 2 digits with leading zeros. Eg: 01 to 31.
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'D': "Mon", // Day: A textual representation of a day, three letters. Eg: Mon through Sun.
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'j': "2", // Day: Day of the month without leading zeros. Eg: 1 to 31.
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'l': "Monday", // Day: A full textual representation of the day of the week. Eg: Sunday through Saturday.
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'F': "January", // Month: A full textual representation of a month, such as January or March. Eg: January through December.
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'm': "01", // Month: Numeric representation of a month, with leading zeros. Eg: 01 through 12.
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'M': "Jan", // Month: A short textual representation of a month, three letters. Eg: Jan through Dec.
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'n': "1", // Month: Numeric representation of a month, without leading zeros. Eg: 1 through 12.
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'Y': "2006", // Year: A full numeric representation of a year, 4 digits. Eg: 1999 or 2003.
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'y': "06", // Year: A two digit representation of a year. Eg: 99 or 03.
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'a': "pm", // Time: Lowercase morning or afternoon sign. Eg: am or pm.
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'A': "PM", // Time: Uppercase morning or afternoon sign. Eg: AM or PM.
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'g': "3", // Time: 12-hour format of an hour without leading zeros. Eg: 1 through 12.
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'h': "03", // Time: 12-hour format of an hour with leading zeros. Eg: 01 through 12.
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'H': "15", // Time: 24-hour format of an hour with leading zeros. Eg: 00 through 23.
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'i': "04", // Time: Minutes with leading zeros. Eg: 00 to 59.
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's': "05", // Time: Seconds with leading zeros. Eg: 00 through 59.
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'O': "-0700", // Zone: Difference to Greenwich time (GMT) in hours. Eg: +0200.
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'P': "-07:00", // Zone: Difference to Greenwich time (GMT) with colon between hours and minutes. Eg: +02:00.
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'Q': "Z0700", // Zone: ISO8601 timezone. Eg: Z, +0200.
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'R': "Z07:00", // Zone: ISO8601 colon timezone. Eg: Z, +02:00.
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'Z': "MST", // Zone: Zone name. Eg: UTC, EST, MDT ...
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'u': "999", // Second: Millisecond. Eg: 999.
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'v': "999999", // Second: Microsecond. Eg: 999999.
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'x': "999999999", // Second: Nanosecond. Eg: 999999999.
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'S': TimestampLayout, // Timestamp: Timestamp with second precision. Eg: 1699677240.
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'U': TimestampMilliLayout, // Timestamp: Timestamp with millisecond precision. Eg: 1596604455666.
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'V': TimestampMicroLayout, // Timestamp: Timestamp with microsecond precision. Eg: 1596604455666666.
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'X': TimestampNanoLayout, // Timestamp: Timestamp with nanosecond precision. Eg: 1596604455666666666.
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}
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// default layouts
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var defaultLayouts = []string{
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DateTimeLayout, DateLayout, TimeLayout, DayDateTimeLayout,
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"2006-01-02 15:04:05 -0700 MST", "2006-01-02T15:04:05Z07:00", "2006-01-02T15:04:05-07:00", "2006-01-02T15:04:05-0700", "2006-01-02T15:04:05",
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ISO8601Layout, RFC1036Layout, RFC822Layout, RFC822ZLayout, RFC850Layout, RFC1123Layout, RFC1123ZLayout, RFC3339Layout, RFC7231Layout,
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KitchenLayout, CookieLayout, ANSICLayout, UnixDateLayout, RubyDateLayout,
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ShortDateTimeLayout, ShortDateLayout, ShortTimeLayout,
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DateTimeMilliLayout, DateTimeMicroLayout, DateTimeNanoLayout,
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DateMilliLayout, DateMicroLayout, DateNanoLayout,
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TimeMilliLayout, TimeMicroLayout, TimeNanoLayout,
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ShortDateTimeMilliLayout, ShortDateTimeMicroLayout, ShortDateTimeNanoLayout,
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ShortDateMilliLayout, ShortDateMicroLayout, ShortDateNanoLayout,
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ShortTimeMilliLayout, ShortTimeMicroLayout, ShortTimeNanoLayout,
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ISO8601MilliLayout, ISO8601MicroLayout, ISO8601NanoLayout,
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RFC3339MilliLayout, RFC3339MicroLayout, RFC3339NanoLayout,
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"15:04:05-07", // postgres time with time zone type
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"2006-01-02 15:04:05-07", // postgres timestamp with time zone type
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"2006-01-02 15:04:05-07:00", // sqlite text type
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"2006-01-02 15:04:05.999999999 -07:00", // sqlserver datetimeoffset type
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"2006",
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"2006-1-2 15:4:5 -0700 MST", "2006-1-2 3:4:5 -0700 MST",
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"2006-1", "2006-1-2", "2006-1-2 15", "2006-1-2 15:4", "2006-1-2 15:4:5", "2006-1-2 15:4:5.999999999",
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"2006.1", "2006.1.2", "2006.1.2 15", "2006.1.2 15:4", "2006.1.2 15:4:5", "2006.1.2 15:4:5.999999999",
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"2006/1", "2006/1/2", "2006/1/2 15", "2006/1/2 15:4", "2006/1/2 15:4:5", "2006/1/2 15:4:5.999999999",
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"2006-01-02 15:04:05PM MST", "2006-01-02 15:04:05.999999999PM MST", "2006-1-2 15:4:5PM MST", "2006-1-2 15:4:5.999999999PM MST",
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"2006-01-02 15:04:05 PM MST", "2006-01-02 15:04:05.999999999 PM MST", "2006-1-2 15:4:5 PM MST", "2006-1-2 15:4:5.999999999 PM MST",
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"1/2/2006", "1/2/2006 15", "1/2/2006 15:4", "1/2/2006 15:4:5", "1/2/2006 15:4:5.999999999",
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"2006-1-2 15:4:5.999999999 -0700 MST", "2006-1-2 15:04:05 -0700 MST", "2006-1-2 15:04:05.999999999 -0700 MST",
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"2006-01-02T15:04:05.999999999", "2006-1-2T3:4:5", "2006-1-2T3:4:5.999999999",
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"2006-01-02T15:04:05.999999999Z07", "2006-1-2T15:4:5Z07", "2006-1-2T15:4:5.999999999Z07",
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"2006-01-02T15:04:05.999999999Z07:00", "2006-1-2T15:4:5Z07:00", "2006-1-2T15:4:5.999999999Z07:00",
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"2006-01-02T15:04:05.999999999-07:00", "2006-1-2T15:4:5-07:00", "2006-1-2T15:4:5.999999999-07:00",
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"2006-01-02T15:04:05.999999999-0700", "2006-1-2T3:4:5-0700", "2006-1-2T3:4:5.999999999-0700",
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"20060102150405-07:00", "20060102150405.999999999-07:00",
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"20060102150405Z07:00", "20060102150405.999999999Z07:00",
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}
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// converts format to layout.
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func format2layout(format string) string {
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buffer := &bytes.Buffer{}
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for i := 0; i < len(format); i++ {
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if layout, ok := formatMap[format[i]]; ok {
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buffer.WriteString(layout)
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} else {
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switch format[i] {
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case '\\': // raw output, no parse
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buffer.WriteByte(format[i+1])
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i++
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continue
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default:
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buffer.WriteByte(format[i])
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}
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}
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}
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return buffer.String()
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}
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// parses a timezone string as a time.Location instance.
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func parseTimezone(timezone string) (loc *Location, err error) {
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if timezone == "" {
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return nil, ErrEmptyTimezone()
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}
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if loc, err = time.LoadLocation(timezone); err != nil {
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err = fmt.Errorf("%w: %w", ErrInvalidTimezone(timezone), err)
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}
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return
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}
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// parses a duration string as a time.Duration instance.
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func parseDuration(duration string) (dur Duration, err error) {
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if duration == "" {
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return 0, ErrEmptyDuration()
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}
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if dur, err = time.ParseDuration(duration); err != nil {
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err = fmt.Errorf("%w: %w", ErrInvalidDuration(duration), err)
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}
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return
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}
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// parses a timestamp string as a int64 format timestamp.
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func parseTimestamp(timestamp string) (ts int64, err error) {
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if ts, err = strconv.ParseInt(timestamp, 10, 64); err != nil {
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err = fmt.Errorf("%w: %w", ErrInvalidTimestamp(timestamp), err)
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}
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return
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}
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// gets absolute value.
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func getAbsValue(value int64) int64 {
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return (value ^ (value >> 63)) - (value >> 63)
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}
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