From 76e5fe5a87d7e60919075f96eee599f3c6255a9f Mon Sep 17 00:00:00 2001
From: Qais Patankar <qaisjp@gmail.com>
Date: Sun, 15 Mar 2020 22:43:46 +0000
Subject: Update vendor yaegashi/msgraph.go to v0.1.2 (2)

---
 vendor/github.com/rickb777/date/period/format.go | 128 +++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 vendor/github.com/rickb777/date/period/format.go

(limited to 'vendor/github.com/rickb777/date/period/format.go')

diff --git a/vendor/github.com/rickb777/date/period/format.go b/vendor/github.com/rickb777/date/period/format.go
new file mode 100644
index 00000000..32cb6a83
--- /dev/null
+++ b/vendor/github.com/rickb777/date/period/format.go
@@ -0,0 +1,128 @@
+// Copyright 2015 Rick Beton. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package period
+
+import (
+	"bytes"
+	"fmt"
+	"strings"
+
+	"github.com/rickb777/plural"
+)
+
+// Format converts the period to human-readable form using the default localisation.
+func (period Period) Format() string {
+	return period.FormatWithPeriodNames(PeriodYearNames, PeriodMonthNames, PeriodWeekNames, PeriodDayNames, PeriodHourNames, PeriodMinuteNames, PeriodSecondNames)
+}
+
+// FormatWithPeriodNames converts the period to human-readable form in a localisable way.
+func (period Period) FormatWithPeriodNames(yearNames, monthNames, weekNames, dayNames, hourNames, minNames, secNames plural.Plurals) string {
+	period = period.Abs()
+
+	parts := make([]string, 0)
+	parts = appendNonBlank(parts, yearNames.FormatFloat(absFloat10(period.years)))
+	parts = appendNonBlank(parts, monthNames.FormatFloat(absFloat10(period.months)))
+
+	if period.days > 0 || (period.IsZero()) {
+		if len(weekNames) > 0 {
+			weeks := period.days / 70
+			mdays := period.days % 70
+			//fmt.Printf("%v %#v - %d %d\n", period, period, weeks, mdays)
+			if weeks > 0 {
+				parts = appendNonBlank(parts, weekNames.FormatInt(int(weeks)))
+			}
+			if mdays > 0 || weeks == 0 {
+				parts = appendNonBlank(parts, dayNames.FormatFloat(absFloat10(mdays)))
+			}
+		} else {
+			parts = appendNonBlank(parts, dayNames.FormatFloat(absFloat10(period.days)))
+		}
+	}
+	parts = appendNonBlank(parts, hourNames.FormatFloat(absFloat10(period.hours)))
+	parts = appendNonBlank(parts, minNames.FormatFloat(absFloat10(period.minutes)))
+	parts = appendNonBlank(parts, secNames.FormatFloat(absFloat10(period.seconds)))
+
+	return strings.Join(parts, ", ")
+}
+
+func appendNonBlank(parts []string, s string) []string {
+	if s == "" {
+		return parts
+	}
+	return append(parts, s)
+}
+
+// PeriodDayNames provides the English default format names for the days part of the period.
+// This is a sequence of plurals where the first match is used, otherwise the last one is used.
+// The last one must include a "%v" placeholder for the number.
+var PeriodDayNames = plural.FromZero("%v days", "%v day", "%v days")
+
+// PeriodWeekNames is as for PeriodDayNames but for weeks.
+var PeriodWeekNames = plural.FromZero("", "%v week", "%v weeks")
+
+// PeriodMonthNames is as for PeriodDayNames but for months.
+var PeriodMonthNames = plural.FromZero("", "%v month", "%v months")
+
+// PeriodYearNames is as for PeriodDayNames but for years.
+var PeriodYearNames = plural.FromZero("", "%v year", "%v years")
+
+// PeriodHourNames is as for PeriodDayNames but for hours.
+var PeriodHourNames = plural.FromZero("", "%v hour", "%v hours")
+
+// PeriodMinuteNames is as for PeriodDayNames but for minutes.
+var PeriodMinuteNames = plural.FromZero("", "%v minute", "%v minutes")
+
+// PeriodSecondNames is as for PeriodDayNames but for seconds.
+var PeriodSecondNames = plural.FromZero("", "%v second", "%v seconds")
+
+// String converts the period to ISO-8601 form.
+func (period Period) String() string {
+	if period.IsZero() {
+		return "P0D"
+	}
+
+	buf := &bytes.Buffer{}
+	if period.Sign() < 0 {
+		buf.WriteByte('-')
+	}
+
+	buf.WriteByte('P')
+
+	if period.years != 0 {
+		fmt.Fprintf(buf, "%gY", absFloat10(period.years))
+	}
+	if period.months != 0 {
+		fmt.Fprintf(buf, "%gM", absFloat10(period.months))
+	}
+	if period.days != 0 {
+		if period.days%70 == 0 {
+			fmt.Fprintf(buf, "%gW", absFloat10(period.days/7))
+		} else {
+			fmt.Fprintf(buf, "%gD", absFloat10(period.days))
+		}
+	}
+	if period.hours != 0 || period.minutes != 0 || period.seconds != 0 {
+		buf.WriteByte('T')
+	}
+	if period.hours != 0 {
+		fmt.Fprintf(buf, "%gH", absFloat10(period.hours))
+	}
+	if period.minutes != 0 {
+		fmt.Fprintf(buf, "%gM", absFloat10(period.minutes))
+	}
+	if period.seconds != 0 {
+		fmt.Fprintf(buf, "%gS", absFloat10(period.seconds))
+	}
+
+	return buf.String()
+}
+
+func absFloat10(v int16) float32 {
+	f := float32(v) / 10
+	if v < 0 {
+		return -f
+	}
+	return f
+}
-- 
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