1 files changed, 79 insertions, 0 deletions
diff --git a/vendor/github.com/spf13/cast/internal/time.go b/vendor/github.com/spf13/cast/internal/time.go
new file mode 100644
index 000000000..906e9aece
--- /dev/null
+++ b/vendor/github.com/spf13/cast/internal/time.go
@@ -0,0 +1,79 @@
+package internal
+
+import (
+	"fmt"
+	"time"
+)
+
+//go:generate stringer -type=TimeFormatType
+
+type TimeFormatType int
+
+const (
+	TimeFormatNoTimezone TimeFormatType = iota
+	TimeFormatNamedTimezone
+	TimeFormatNumericTimezone
+	TimeFormatNumericAndNamedTimezone
+	TimeFormatTimeOnly
+)
+
+type TimeFormat struct {
+	Format string
+	Typ    TimeFormatType
+}
+
+func (f TimeFormat) HasTimezone() bool {
+	// We don't include the formats with only named timezones, see
+	// https://github.com/golang/go/issues/19694#issuecomment-289103522
+	return f.Typ >= TimeFormatNumericTimezone && f.Typ <= TimeFormatNumericAndNamedTimezone
+}
+
+var TimeFormats = []TimeFormat{
+	// Keep common formats at the top.
+	{"2006-01-02", TimeFormatNoTimezone},
+	{time.RFC3339, TimeFormatNumericTimezone},
+	{"2006-01-02T15:04:05", TimeFormatNoTimezone}, // iso8601 without timezone
+	{time.RFC1123Z, TimeFormatNumericTimezone},
+	{time.RFC1123, TimeFormatNamedTimezone},
+	{time.RFC822Z, TimeFormatNumericTimezone},
+	{time.RFC822, TimeFormatNamedTimezone},
+	{time.RFC850, TimeFormatNamedTimezone},
+	{"2006-01-02 15:04:05.999999999 -0700 MST", TimeFormatNumericAndNamedTimezone}, // Time.String()
+	{"2006-01-02T15:04:05-0700", TimeFormatNumericTimezone},                        // RFC3339 without timezone hh:mm colon
+	{"2006-01-02 15:04:05Z0700", TimeFormatNumericTimezone},                        // RFC3339 without T or timezone hh:mm colon
+	{"2006-01-02 15:04:05", TimeFormatNoTimezone},
+	{time.ANSIC, TimeFormatNoTimezone},
+	{time.UnixDate, TimeFormatNamedTimezone},
+	{time.RubyDate, TimeFormatNumericTimezone},
+	{"2006-01-02 15:04:05Z07:00", TimeFormatNumericTimezone},
+	{"02 Jan 2006", TimeFormatNoTimezone},
+	{"2006-01-02 15:04:05 -07:00", TimeFormatNumericTimezone},
+	{"2006-01-02 15:04:05 -0700", TimeFormatNumericTimezone},
+	{time.Kitchen, TimeFormatTimeOnly},
+	{time.Stamp, TimeFormatTimeOnly},
+	{time.StampMilli, TimeFormatTimeOnly},
+	{time.StampMicro, TimeFormatTimeOnly},
+	{time.StampNano, TimeFormatTimeOnly},
+}
+
+func ParseDateWith(s string, location *time.Location, formats []TimeFormat) (d time.Time, e error) {
+	for _, format := range formats {
+		if d, e = time.Parse(format.Format, s); e == nil {
+
+			// Some time formats have a zone name, but no offset, so it gets
+			// put in that zone name (not the default one passed in to us), but
+			// without that zone's offset. So set the location manually.
+			if format.Typ <= TimeFormatNamedTimezone {
+				if location == nil {
+					location = time.Local
+				}
+				year, month, day := d.Date()
+				hour, min, sec := d.Clock()
+				d = time.Date(year, month, day, hour, min, sec, d.Nanosecond(), location)
+			}
+
+			return
+		}
+	}
+	return d, fmt.Errorf("unable to parse date: %s", s)
+}