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-rw-r--r--vendor/github.com/dustin/go-humanize/comma.go116
1 files changed, 116 insertions, 0 deletions
diff --git a/vendor/github.com/dustin/go-humanize/comma.go b/vendor/github.com/dustin/go-humanize/comma.go
new file mode 100644
index 00000000..520ae3e5
--- /dev/null
+++ b/vendor/github.com/dustin/go-humanize/comma.go
@@ -0,0 +1,116 @@
+package humanize
+
+import (
+ "bytes"
+ "math"
+ "math/big"
+ "strconv"
+ "strings"
+)
+
+// Comma produces a string form of the given number in base 10 with
+// commas after every three orders of magnitude.
+//
+// e.g. Comma(834142) -> 834,142
+func Comma(v int64) string {
+ sign := ""
+
+ // Min int64 can't be negated to a usable value, so it has to be special cased.
+ if v == math.MinInt64 {
+ return "-9,223,372,036,854,775,808"
+ }
+
+ if v < 0 {
+ sign = "-"
+ v = 0 - v
+ }
+
+ parts := []string{"", "", "", "", "", "", ""}
+ j := len(parts) - 1
+
+ for v > 999 {
+ parts[j] = strconv.FormatInt(v%1000, 10)
+ switch len(parts[j]) {
+ case 2:
+ parts[j] = "0" + parts[j]
+ case 1:
+ parts[j] = "00" + parts[j]
+ }
+ v = v / 1000
+ j--
+ }
+ parts[j] = strconv.Itoa(int(v))
+ return sign + strings.Join(parts[j:], ",")
+}
+
+// Commaf produces a string form of the given number in base 10 with
+// commas after every three orders of magnitude.
+//
+// e.g. Commaf(834142.32) -> 834,142.32
+func Commaf(v float64) string {
+ buf := &bytes.Buffer{}
+ if v < 0 {
+ buf.Write([]byte{'-'})
+ v = 0 - v
+ }
+
+ comma := []byte{','}
+
+ parts := strings.Split(strconv.FormatFloat(v, 'f', -1, 64), ".")
+ pos := 0
+ if len(parts[0])%3 != 0 {
+ pos += len(parts[0]) % 3
+ buf.WriteString(parts[0][:pos])
+ buf.Write(comma)
+ }
+ for ; pos < len(parts[0]); pos += 3 {
+ buf.WriteString(parts[0][pos : pos+3])
+ buf.Write(comma)
+ }
+ buf.Truncate(buf.Len() - 1)
+
+ if len(parts) > 1 {
+ buf.Write([]byte{'.'})
+ buf.WriteString(parts[1])
+ }
+ return buf.String()
+}
+
+// CommafWithDigits works like the Commaf but limits the resulting
+// string to the given number of decimal places.
+//
+// e.g. CommafWithDigits(834142.32, 1) -> 834,142.3
+func CommafWithDigits(f float64, decimals int) string {
+ return stripTrailingDigits(Commaf(f), decimals)
+}
+
+// BigComma produces a string form of the given big.Int in base 10
+// with commas after every three orders of magnitude.
+func BigComma(b *big.Int) string {
+ sign := ""
+ if b.Sign() < 0 {
+ sign = "-"
+ b.Abs(b)
+ }
+
+ athousand := big.NewInt(1000)
+ c := (&big.Int{}).Set(b)
+ _, m := oom(c, athousand)
+ parts := make([]string, m+1)
+ j := len(parts) - 1
+
+ mod := &big.Int{}
+ for b.Cmp(athousand) >= 0 {
+ b.DivMod(b, athousand, mod)
+ parts[j] = strconv.FormatInt(mod.Int64(), 10)
+ switch len(parts[j]) {
+ case 2:
+ parts[j] = "0" + parts[j]
+ case 1:
+ parts[j] = "00" + parts[j]
+ }
+ j--
+ }
+ parts[j] = strconv.Itoa(int(b.Int64()))
+ return sign + strings.Join(parts[j:], ",")
+}