PLT-3753 Added Segment analytics (#3972)

vendor/github.com/jehiah/go-strftime/README.md

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+go-strftime
+===========
+
+go implementation of strftime

vendor/github.com/jehiah/go-strftime/strftime.go

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+// go implementation of strftime
+package strftime
+
+import (
+	"strings"
+	"time"
+)
+
+// taken from time/format.go
+var conversion = map[rune]string {
+	/*stdLongMonth      */ 'B':"January",
+	/*stdMonth          */ 'b': "Jan",
+	// stdNumMonth       */ 'm': "1",
+	/*stdZeroMonth      */ 'm': "01",
+	/*stdLongWeekDay    */ 'A': "Monday",
+	/*stdWeekDay        */ 'a': "Mon",
+	// stdDay            */ 'd': "2",
+	// stdUnderDay       */ 'd': "_2",
+	/*stdZeroDay        */ 'd': "02",
+	/*stdHour           */ 'H': "15",
+	// stdHour12         */ 'I': "3",
+	/*stdZeroHour12     */ 'I': "03",
+	// stdMinute         */ 'M': "4",
+	/*stdZeroMinute     */ 'M': "04",
+	// stdSecond         */ 'S': "5",
+	/*stdZeroSecond     */ 'S': "05",
+	/*stdLongYear       */ 'Y': "2006",
+	/*stdYear           */ 'y': "06",
+	/*stdPM             */ 'p': "PM",
+	// stdpm             */ 'p': "pm",
+	/*stdTZ             */ 'Z': "MST",
+	// stdISO8601TZ      */ 'z': "Z0700",  // prints Z for UTC
+	// stdISO8601ColonTZ */ 'z': "Z07:00", // prints Z for UTC
+	/*stdNumTZ          */ 'z': "-0700",  // always numeric
+	// stdNumShortTZ     */ 'b': "-07",    // always numeric
+	// stdNumColonTZ     */ 'b': "-07:00", // always numeric
+}
+
+// This is an alternative to time.Format because no one knows 
+// what date 040305 is supposed to create when used as a 'layout' string
+// this takes standard strftime format options. For a complete list
+// of format options see http://strftime.org/
+func Format(format string, t time.Time) string {
+	retval := make([]byte, 0, len(format))
+	for i, ni := 0, 0; i < len(format); i = ni + 2 {
+		ni = strings.IndexByte(format[i:], '%')
+		if ni < 0 {
+			ni = len(format)
+		} else {
+			ni += i
+		}
+		retval = append(retval, []byte(format[i:ni])...)
+		if ni + 1 < len(format) {
+			c := format[ni + 1]
+			if c == '%' {
+				retval = append(retval, '%')
+			} else {
+				if layoutCmd, ok := conversion[rune(c)]; ok {
+					retval = append(retval, []byte(t.Format(layoutCmd))...)
+				} else {
+					retval = append(retval, '%', c)
+				}
+			}
+		} else {
+			if ni < len(format) {
+				retval = append(retval, '%')
+			}
+		}
+	}
+	return string(retval)
+}

vendor/github.com/jehiah/go-strftime/strftime_test.go

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+package strftime
+
+import (
+	"time"
+	"fmt"
+	"testing"
+)
+
+func ExampleFormat() {
+	t := time.Unix(1340244776, 0)
+	utc, _ := time.LoadLocation("UTC")
+	t = t.In(utc)
+	fmt.Println(Format("%Y-%m-%d %H:%M:%S", t))
+	// Output:
+	// 2012-06-21 02:12:56
+}
+
+func TestNoLeadingPercentSign(t *testing.T) {
+	tm := time.Unix(1340244776, 0)
+	utc, _ := time.LoadLocation("UTC")
+	tm = tm.In(utc)
+	result := Format("aaabbb0123456789%Y", tm)
+	if result != "aaabbb01234567892012" {
+		t.Logf("%s != %s", result, "aaabbb01234567892012")
+		t.Fail()
+	}
+}
+
+
+func TestUnsupported(t *testing.T) {
+	tm := time.Unix(1340244776, 0)
+	utc, _ := time.LoadLocation("UTC")
+	tm = tm.In(utc)
+	result := Format("%0%1%%%2", tm)
+	if result != "%0%1%%2" {
+		t.Logf("%s != %s", result, "%0%1%%2")
+		t.Fail()
+	}
+}
+