1 files changed, 299 insertions, 0 deletions
diff --git a/vendor/github.com/robertkrimen/otto/type_date.go b/vendor/github.com/robertkrimen/otto/type_date.go
new file mode 100644
index 000000000..7079e649c
--- /dev/null
+++ b/vendor/github.com/robertkrimen/otto/type_date.go
@@ -0,0 +1,299 @@
+package otto
+
+import (
+	"fmt"
+	"math"
+	"regexp"
+	Time "time"
+)
+
+type _dateObject struct {
+	time  Time.Time // Time from the "time" package, a cached version of time
+	epoch int64
+	value Value
+	isNaN bool
+}
+
+var (
+	invalidDateObject = _dateObject{
+		time:  Time.Time{},
+		epoch: -1,
+		value: NaNValue(),
+		isNaN: true,
+	}
+)
+
+type _ecmaTime struct {
+	year        int
+	month       int
+	day         int
+	hour        int
+	minute      int
+	second      int
+	millisecond int
+	location    *Time.Location // Basically, either local or UTC
+}
+
+func ecmaTime(goTime Time.Time) _ecmaTime {
+	return _ecmaTime{
+		goTime.Year(),
+		dateFromGoMonth(goTime.Month()),
+		goTime.Day(),
+		goTime.Hour(),
+		goTime.Minute(),
+		goTime.Second(),
+		goTime.Nanosecond() / (100 * 100 * 100),
+		goTime.Location(),
+	}
+}
+
+func (self *_ecmaTime) goTime() Time.Time {
+	return Time.Date(
+		self.year,
+		dateToGoMonth(self.month),
+		self.day,
+		self.hour,
+		self.minute,
+		self.second,
+		self.millisecond*(100*100*100),
+		self.location,
+	)
+}
+
+func (self *_dateObject) Time() Time.Time {
+	return self.time
+}
+
+func (self *_dateObject) Epoch() int64 {
+	return self.epoch
+}
+
+func (self *_dateObject) Value() Value {
+	return self.value
+}
+
+// FIXME A date should only be in the range of -100,000,000 to +100,000,000 (1970): 15.9.1.1
+func (self *_dateObject) SetNaN() {
+	self.time = Time.Time{}
+	self.epoch = -1
+	self.value = NaNValue()
+	self.isNaN = true
+}
+
+func (self *_dateObject) SetTime(time Time.Time) {
+	self.Set(timeToEpoch(time))
+}
+
+func epoch2dateObject(epoch float64) _dateObject {
+	date := _dateObject{}
+	date.Set(epoch)
+	return date
+}
+
+func (self *_dateObject) Set(epoch float64) {
+	// epoch
+	self.epoch = epochToInteger(epoch)
+
+	// time
+	time, err := epochToTime(epoch)
+	self.time = time // Is either a valid time, or the zero-value for time.Time
+
+	// value & isNaN
+	if err != nil {
+		self.isNaN = true
+		self.epoch = -1
+		self.value = NaNValue()
+	} else {
+		self.value = toValue_int64(self.epoch)
+	}
+}
+
+func epochToInteger(value float64) int64 {
+	if value > 0 {
+		return int64(math.Floor(value))
+	}
+	return int64(math.Ceil(value))
+}
+
+func epochToTime(value float64) (time Time.Time, err error) {
+	epochWithMilli := value
+	if math.IsNaN(epochWithMilli) || math.IsInf(epochWithMilli, 0) {
+		err = fmt.Errorf("Invalid time %v", value)
+		return
+	}
+
+	epoch := int64(epochWithMilli / 1000)
+	milli := int64(epochWithMilli) % 1000
+
+	time = Time.Unix(int64(epoch), milli*1000000).UTC()
+	return
+}
+
+func timeToEpoch(time Time.Time) float64 {
+	return float64(time.UnixNano() / (1000 * 1000))
+}
+
+func (runtime *_runtime) newDateObject(epoch float64) *_object {
+	self := runtime.newObject()
+	self.class = "Date"
+
+	// FIXME This is ugly...
+	date := _dateObject{}
+	date.Set(epoch)
+	self.value = date
+	return self
+}
+
+func (self *_object) dateValue() _dateObject {
+	value, _ := self.value.(_dateObject)
+	return value
+}
+
+func dateObjectOf(rt *_runtime, _dateObject *_object) _dateObject {
+	if _dateObject == nil || _dateObject.class != "Date" {
+		panic(rt.panicTypeError())
+	}
+	return _dateObject.dateValue()
+}
+
+// JavaScript is 0-based, Go is 1-based (15.9.1.4)
+func dateToGoMonth(month int) Time.Month {
+	return Time.Month(month + 1)
+}
+
+func dateFromGoMonth(month Time.Month) int {
+	return int(month) - 1
+}
+
+// Both JavaScript & Go are 0-based (Sunday == 0)
+func dateToGoDay(day int) Time.Weekday {
+	return Time.Weekday(day)
+}
+
+func dateFromGoDay(day Time.Weekday) int {
+	return int(day)
+}
+
+func newDateTime(argumentList []Value, location *Time.Location) (epoch float64) {
+
+	pick := func(index int, default_ float64) (float64, bool) {
+		if index >= len(argumentList) {
+			return default_, false
+		}
+		value := argumentList[index].float64()
+		if math.IsNaN(value) || math.IsInf(value, 0) {
+			return 0, true
+		}
+		return value, false
+	}
+
+	if len(argumentList) >= 2 { // 2-argument, 3-argument, ...
+		var year, month, day, hour, minute, second, millisecond float64
+		var invalid bool
+		if year, invalid = pick(0, 1900.0); invalid {
+			goto INVALID
+		}
+		if month, invalid = pick(1, 0.0); invalid {
+			goto INVALID
+		}
+		if day, invalid = pick(2, 1.0); invalid {
+			goto INVALID
+		}
+		if hour, invalid = pick(3, 0.0); invalid {
+			goto INVALID
+		}
+		if minute, invalid = pick(4, 0.0); invalid {
+			goto INVALID
+		}
+		if second, invalid = pick(5, 0.0); invalid {
+			goto INVALID
+		}
+		if millisecond, invalid = pick(6, 0.0); invalid {
+			goto INVALID
+		}
+
+		if year >= 0 && year <= 99 {
+			year += 1900
+		}
+
+		time := Time.Date(int(year), dateToGoMonth(int(month)), int(day), int(hour), int(minute), int(second), int(millisecond)*1000*1000, location)
+		return timeToEpoch(time)
+
+	} else if len(argumentList) == 0 { // 0-argument
+		time := Time.Now().UTC()
+		return timeToEpoch(time)
+	} else { // 1-argument
+		value := valueOfArrayIndex(argumentList, 0)
+		value = toPrimitive(value)
+		if value.IsString() {
+			return dateParse(value.string())
+		}
+
+		return value.float64()
+	}
+
+INVALID:
+	epoch = math.NaN()
+	return
+}
+
+var (
+	dateLayoutList = []string{
+		"2006",
+		"2006-01",
+		"2006-01-02",
+
+		"2006T15:04",
+		"2006-01T15:04",
+		"2006-01-02T15:04",
+
+		"2006T15:04:05",
+		"2006-01T15:04:05",
+		"2006-01-02T15:04:05",
+
+		"2006T15:04:05.000",
+		"2006-01T15:04:05.000",
+		"2006-01-02T15:04:05.000",
+
+		"2006T15:04-0700",
+		"2006-01T15:04-0700",
+		"2006-01-02T15:04-0700",
+
+		"2006T15:04:05-0700",
+		"2006-01T15:04:05-0700",
+		"2006-01-02T15:04:05-0700",
+
+		"2006T15:04:05.000-0700",
+		"2006-01T15:04:05.000-0700",
+		"2006-01-02T15:04:05.000-0700",
+
+		Time.RFC1123,
+	}
+	matchDateTimeZone = regexp.MustCompile(`^(.*)(?:(Z)|([\+\-]\d{2}):(\d{2}))$`)
+)
+
+func dateParse(date string) (epoch float64) {
+	// YYYY-MM-DDTHH:mm:ss.sssZ
+	var time Time.Time
+	var err error
+	{
+		date := date
+		if match := matchDateTimeZone.FindStringSubmatch(date); match != nil {
+			if match[2] == "Z" {
+				date = match[1] + "+0000"
+			} else {
+				date = match[1] + match[3] + match[4]
+			}
+		}
+		for _, layout := range dateLayoutList {
+			time, err = Time.Parse(layout, date)
+			if err == nil {
+				break
+			}
+		}
+	}
+	if err != nil {
+		return math.NaN()
+	}
+	return float64(time.UnixNano()) / (1000 * 1000) // UnixMilli()
+}