diff options
Diffstat (limited to 'vendor/github.com/dustin')
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/.travis.yml | 21 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/LICENSE | 21 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/README.markdown | 124 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/big.go | 31 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/bigbytes.go | 173 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/bytes.go | 143 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/comma.go | 116 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/commaf.go | 40 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/ftoa.go | 46 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/humanize.go | 8 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/number.go | 192 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/ordinals.go | 25 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/si.go | 123 | ||||
| -rw-r--r-- | vendor/github.com/dustin/go-humanize/times.go | 117 |
14 files changed, 1180 insertions, 0 deletions
diff --git a/vendor/github.com/dustin/go-humanize/.travis.yml b/vendor/github.com/dustin/go-humanize/.travis.yml new file mode 100644 index 0000000000..ba95cdd15c --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/.travis.yml @@ -0,0 +1,21 @@ +sudo: false +language: go +go: + - 1.3.x + - 1.5.x + - 1.6.x + - 1.7.x + - 1.8.x + - 1.9.x + - master +matrix: + allow_failures: + - go: master + fast_finish: true +install: + - # Do nothing. This is needed to prevent default install action "go get -t -v ./..." from happening here (we want it to happen inside script step). +script: + - go get -t -v ./... + - diff -u <(echo -n) <(gofmt -d -s .) + - go tool vet . + - go test -v -race ./... diff --git a/vendor/github.com/dustin/go-humanize/LICENSE b/vendor/github.com/dustin/go-humanize/LICENSE new file mode 100644 index 0000000000..8d9a94a906 --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/LICENSE @@ -0,0 +1,21 @@ +Copyright (c) 2005-2008 Dustin Sallings <dustin@spy.net> + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + +<http://www.opensource.org/licenses/mit-license.php> diff --git a/vendor/github.com/dustin/go-humanize/README.markdown b/vendor/github.com/dustin/go-humanize/README.markdown new file mode 100644 index 0000000000..91b4ae5646 --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/README.markdown @@ -0,0 +1,124 @@ +# Humane Units [](https://travis-ci.org/dustin/go-humanize) [](https://godoc.org/github.com/dustin/go-humanize) + +Just a few functions for helping humanize times and sizes. + +`go get` it as `github.com/dustin/go-humanize`, import it as +`"github.com/dustin/go-humanize"`, use it as `humanize`. + +See [godoc](https://godoc.org/github.com/dustin/go-humanize) for +complete documentation. + +## Sizes + +This lets you take numbers like `82854982` and convert them to useful +strings like, `83 MB` or `79 MiB` (whichever you prefer). + +Example: + +```go +fmt.Printf("That file is %s.", humanize.Bytes(82854982)) // That file is 83 MB. +``` + +## Times + +This lets you take a `time.Time` and spit it out in relative terms. +For example, `12 seconds ago` or `3 days from now`. + +Example: + +```go +fmt.Printf("This was touched %s.", humanize.Time(someTimeInstance)) // This was touched 7 hours ago. +``` + +Thanks to Kyle Lemons for the time implementation from an IRC +conversation one day. It's pretty neat. + +## Ordinals + +From a [mailing list discussion][odisc] where a user wanted to be able +to label ordinals. + + 0 -> 0th + 1 -> 1st + 2 -> 2nd + 3 -> 3rd + 4 -> 4th + [...] + +Example: + +```go +fmt.Printf("You're my %s best friend.", humanize.Ordinal(193)) // You are my 193rd best friend. +``` + +## Commas + +Want to shove commas into numbers? Be my guest. + + 0 -> 0 + 100 -> 100 + 1000 -> 1,000 + 1000000000 -> 1,000,000,000 + -100000 -> -100,000 + +Example: + +```go +fmt.Printf("You owe $%s.\n", humanize.Comma(6582491)) // You owe $6,582,491. +``` + +## Ftoa + +Nicer float64 formatter that removes trailing zeros. + +```go +fmt.Printf("%f", 2.24) // 2.240000 +fmt.Printf("%s", humanize.Ftoa(2.24)) // 2.24 +fmt.Printf("%f", 2.0) // 2.000000 +fmt.Printf("%s", humanize.Ftoa(2.0)) // 2 +``` + +## SI notation + +Format numbers with [SI notation][sinotation]. + +Example: + +```go +humanize.SI(0.00000000223, "M") // 2.23 nM +``` + +## English-specific functions + +The following functions are in the `humanize/english` subpackage. + +### Plurals + +Simple English pluralization + +```go +english.PluralWord(1, "object", "") // object +english.PluralWord(42, "object", "") // objects +english.PluralWord(2, "bus", "") // buses +english.PluralWord(99, "locus", "loci") // loci + +english.Plural(1, "object", "") // 1 object +english.Plural(42, "object", "") // 42 objects +english.Plural(2, "bus", "") // 2 buses +english.Plural(99, "locus", "loci") // 99 loci +``` + +### Word series + +Format comma-separated words lists with conjuctions: + +```go +english.WordSeries([]string{"foo"}, "and") // foo +english.WordSeries([]string{"foo", "bar"}, "and") // foo and bar +english.WordSeries([]string{"foo", "bar", "baz"}, "and") // foo, bar and baz + +english.OxfordWordSeries([]string{"foo", "bar", "baz"}, "and") // foo, bar, and baz +``` + +[odisc]: https://groups.google.com/d/topic/golang-nuts/l8NhI74jl-4/discussion +[sinotation]: http://en.wikipedia.org/wiki/Metric_prefix diff --git a/vendor/github.com/dustin/go-humanize/big.go b/vendor/github.com/dustin/go-humanize/big.go new file mode 100644 index 0000000000..f49dc337dc --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/big.go @@ -0,0 +1,31 @@ +package humanize + +import ( + "math/big" +) + +// order of magnitude (to a max order) +func oomm(n, b *big.Int, maxmag int) (float64, int) { + mag := 0 + m := &big.Int{} + for n.Cmp(b) >= 0 { + n.DivMod(n, b, m) + mag++ + if mag == maxmag && maxmag >= 0 { + break + } + } + return float64(n.Int64()) + (float64(m.Int64()) / float64(b.Int64())), mag +} + +// total order of magnitude +// (same as above, but with no upper limit) +func oom(n, b *big.Int) (float64, int) { + mag := 0 + m := &big.Int{} + for n.Cmp(b) >= 0 { + n.DivMod(n, b, m) + mag++ + } + return float64(n.Int64()) + (float64(m.Int64()) / float64(b.Int64())), mag +} diff --git a/vendor/github.com/dustin/go-humanize/bigbytes.go b/vendor/github.com/dustin/go-humanize/bigbytes.go new file mode 100644 index 0000000000..1a2bf61723 --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/bigbytes.go @@ -0,0 +1,173 @@ +package humanize + +import ( + "fmt" + "math/big" + "strings" + "unicode" +) + +var ( + bigIECExp = big.NewInt(1024) + + // BigByte is one byte in bit.Ints + BigByte = big.NewInt(1) + // BigKiByte is 1,024 bytes in bit.Ints + BigKiByte = (&big.Int{}).Mul(BigByte, bigIECExp) + // BigMiByte is 1,024 k bytes in bit.Ints + BigMiByte = (&big.Int{}).Mul(BigKiByte, bigIECExp) + // BigGiByte is 1,024 m bytes in bit.Ints + BigGiByte = (&big.Int{}).Mul(BigMiByte, bigIECExp) + // BigTiByte is 1,024 g bytes in bit.Ints + BigTiByte = (&big.Int{}).Mul(BigGiByte, bigIECExp) + // BigPiByte is 1,024 t bytes in bit.Ints + BigPiByte = (&big.Int{}).Mul(BigTiByte, bigIECExp) + // BigEiByte is 1,024 p bytes in bit.Ints + BigEiByte = (&big.Int{}).Mul(BigPiByte, bigIECExp) + // BigZiByte is 1,024 e bytes in bit.Ints + BigZiByte = (&big.Int{}).Mul(BigEiByte, bigIECExp) + // BigYiByte is 1,024 z bytes in bit.Ints + BigYiByte = (&big.Int{}).Mul(BigZiByte, bigIECExp) +) + +var ( + bigSIExp = big.NewInt(1000) + + // BigSIByte is one SI byte in big.Ints + BigSIByte = big.NewInt(1) + // BigKByte is 1,000 SI bytes in big.Ints + BigKByte = (&big.Int{}).Mul(BigSIByte, bigSIExp) + // BigMByte is 1,000 SI k bytes in big.Ints + BigMByte = (&big.Int{}).Mul(BigKByte, bigSIExp) + // BigGByte is 1,000 SI m bytes in big.Ints + BigGByte = (&big.Int{}).Mul(BigMByte, bigSIExp) + // BigTByte is 1,000 SI g bytes in big.Ints + BigTByte = (&big.Int{}).Mul(BigGByte, bigSIExp) + // BigPByte is 1,000 SI t bytes in big.Ints + BigPByte = (&big.Int{}).Mul(BigTByte, bigSIExp) + // BigEByte is 1,000 SI p bytes in big.Ints + BigEByte = (&big.Int{}).Mul(BigPByte, bigSIExp) + // BigZByte is 1,000 SI e bytes in big.Ints + BigZByte = (&big.Int{}).Mul(BigEByte, bigSIExp) + // BigYByte is 1,000 SI z bytes in big.Ints + BigYByte = (&big.Int{}).Mul(BigZByte, bigSIExp) +) + +var bigBytesSizeTable = map[string]*big.Int{ + "b": BigByte, + "kib": BigKiByte, + "kb": BigKByte, + "mib": BigMiByte, + "mb": BigMByte, + "gib": BigGiByte, + "gb": BigGByte, + "tib": BigTiByte, + "tb": BigTByte, + "pib": BigPiByte, + "pb": BigPByte, + "eib": BigEiByte, + "eb": BigEByte, + "zib": BigZiByte, + "zb": BigZByte, + "yib": BigYiByte, + "yb": BigYByte, + // Without suffix + "": BigByte, + "ki": BigKiByte, + "k": BigKByte, + "mi": BigMiByte, + "m": BigMByte, + "gi": BigGiByte, + "g": BigGByte, + "ti": BigTiByte, + "t": BigTByte, + "pi": BigPiByte, + "p": BigPByte, + "ei": BigEiByte, + "e": BigEByte, + "z": BigZByte, + "zi": BigZiByte, + "y": BigYByte, + "yi": BigYiByte, +} + +var ten = big.NewInt(10) + +func humanateBigBytes(s, base *big.Int, sizes []string) string { + if s.Cmp(ten) < 0 { + return fmt.Sprintf("%d B", s) + } + c := (&big.Int{}).Set(s) + val, mag := oomm(c, base, len(sizes)-1) + suffix := sizes[mag] + f := "%.0f %s" + if val < 10 { + f = "%.1f %s" + } + + return fmt.Sprintf(f, val, suffix) + +} + +// BigBytes produces a human readable representation of an SI size. +// +// See also: ParseBigBytes. +// +// BigBytes(82854982) -> 83 MB +func BigBytes(s *big.Int) string { + sizes := []string{"B", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"} + return humanateBigBytes(s, bigSIExp, sizes) +} + +// BigIBytes produces a human readable representation of an IEC size. +// +// See also: ParseBigBytes. +// +// BigIBytes(82854982) -> 79 MiB +func BigIBytes(s *big.Int) string { + sizes := []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"} + return humanateBigBytes(s, bigIECExp, sizes) +} + +// ParseBigBytes parses a string representation of bytes into the number +// of bytes it represents. +// +// See also: BigBytes, BigIBytes. +// +// ParseBigBytes("42 MB") -> 42000000, nil +// ParseBigBytes("42 mib") -> 44040192, nil +func ParseBigBytes(s string) (*big.Int, error) { + lastDigit := 0 + hasComma := false + for _, r := range s { + if !(unicode.IsDigit(r) || r == '.' || r == ',') { + break + } + if r == ',' { + hasComma = true + } + lastDigit++ + } + + num := s[:lastDigit] + if hasComma { + num = strings.Replace(num, ",", "", -1) + } + + val := &big.Rat{} + _, err := fmt.Sscanf(num, "%f", val) + if err != nil { + return nil, err + } + + extra := strings.ToLower(strings.TrimSpace(s[lastDigit:])) + if m, ok := bigBytesSizeTable[extra]; ok { + mv := (&big.Rat{}).SetInt(m) + val.Mul(val, mv) + rv := &big.Int{} + rv.Div(val.Num(), val.Denom()) + return rv, nil + } + + return nil, fmt.Errorf("unhandled size name: %v", extra) +} diff --git a/vendor/github.com/dustin/go-humanize/bytes.go b/vendor/github.com/dustin/go-humanize/bytes.go new file mode 100644 index 0000000000..0b498f4885 --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/bytes.go @@ -0,0 +1,143 @@ +package humanize + +import ( + "fmt" + "math" + "strconv" + "strings" + "unicode" +) + +// IEC Sizes. +// kibis of bits +const ( + Byte = 1 << (iota * 10) + KiByte + MiByte + GiByte + TiByte + PiByte + EiByte +) + +// SI Sizes. +const ( + IByte = 1 + KByte = IByte * 1000 + MByte = KByte * 1000 + GByte = MByte * 1000 + TByte = GByte * 1000 + PByte = TByte * 1000 + EByte = PByte * 1000 +) + +var bytesSizeTable = map[string]uint64{ + "b": Byte, + "kib": KiByte, + "kb": KByte, + "mib": MiByte, + "mb": MByte, + "gib": GiByte, + "gb": GByte, + "tib": TiByte, + "tb": TByte, + "pib": PiByte, + "pb": PByte, + "eib": EiByte, + "eb": EByte, + // Without suffix + "": Byte, + "ki": KiByte, + "k": KByte, + "mi": MiByte, + "m": MByte, + "gi": GiByte, + "g": GByte, + "ti": TiByte, + "t": TByte, + "pi": PiByte, + "p": PByte, + "ei": EiByte, + "e": EByte, +} + +func logn(n, b float64) float64 { + return math.Log(n) / math.Log(b) +} + +func humanateBytes(s uint64, base float64, sizes []string) string { + if s < 10 { + return fmt.Sprintf("%d B", s) + } + e := math.Floor(logn(float64(s), base)) + suffix := sizes[int(e)] + val := math.Floor(float64(s)/math.Pow(base, e)*10+0.5) / 10 + f := "%.0f %s" + if val < 10 { + f = "%.1f %s" + } + + return fmt.Sprintf(f, val, suffix) +} + +// Bytes produces a human readable representation of an SI size. +// +// See also: ParseBytes. +// +// Bytes(82854982) -> 83 MB +func Bytes(s uint64) string { + sizes := []string{"B", "kB", "MB", "GB", "TB", "PB", "EB"} + return humanateBytes(s, 1000, sizes) +} + +// IBytes produces a human readable representation of an IEC size. +// +// See also: ParseBytes. +// +// IBytes(82854982) -> 79 MiB +func IBytes(s uint64) string { + sizes := []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB"} + return humanateBytes(s, 1024, sizes) +} + +// ParseBytes parses a string representation of bytes into the number +// of bytes it represents. +// +// See Also: Bytes, IBytes. +// +// ParseBytes("42 MB") -> 42000000, nil +// ParseBytes("42 mib") -> 44040192, nil +func ParseBytes(s string) (uint64, error) { + lastDigit := 0 + hasComma := false + for _, r := range s { + if !(unicode.IsDigit(r) || r == '.' || r == ',') { + break + } + if r == ',' { + hasComma = true + } + lastDigit++ + } + + num := s[:lastDigit] + if hasComma { + num = strings.Replace(num, ",", "", -1) + } + + f, err := strconv.ParseFloat(num, 64) + if err != nil { + return 0, err + } + + extra := strings.ToLower(strings.TrimSpace(s[lastDigit:])) + if m, ok := bytesSizeTable[extra]; ok { + f *= float64(m) + if f >= math.MaxUint64 { + return 0, fmt.Errorf("too large: %v", s) + } + return uint64(f), nil + } + + return 0, fmt.Errorf("unhandled size name: %v", extra) +} 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 0000000000..520ae3e57d --- /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:], ",") +} diff --git a/vendor/github.com/dustin/go-humanize/commaf.go b/vendor/github.com/dustin/go-humanize/commaf.go new file mode 100644 index 0000000000..620690dec7 --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/commaf.go @@ -0,0 +1,40 @@ +// +build go1.6 + +package humanize + +import ( + "bytes" + "math/big" + "strings" +) + +// BigCommaf produces a string form of the given big.Float in base 10 +// with commas after every three orders of magnitude. +func BigCommaf(v *big.Float) string { + buf := &bytes.Buffer{} + if v.Sign() < 0 { + buf.Write([]byte{'-'}) + v.Abs(v) + } + + comma := []byte{','} + + parts := strings.Split(v.Text('f', -1), ".") + 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() +} diff --git a/vendor/github.com/dustin/go-humanize/ftoa.go b/vendor/github.com/dustin/go-humanize/ftoa.go new file mode 100644 index 0000000000..1c62b640d4 --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/ftoa.go @@ -0,0 +1,46 @@ +package humanize + +import ( + "strconv" + "strings" +) + +func stripTrailingZeros(s string) string { + offset := len(s) - 1 + for offset > 0 { + if s[offset] == '.' { + offset-- + break + } + if s[offset] != '0' { + break + } + offset-- + } + return s[:offset+1] +} + +func stripTrailingDigits(s string, digits int) string { + if i := strings.Index(s, "."); i >= 0 { + if digits <= 0 { + return s[:i] + } + i++ + if i+digits >= len(s) { + return s + } + return s[:i+digits] + } + return s +} + +// Ftoa converts a float to a string with no trailing zeros. +func Ftoa(num float64) string { + return stripTrailingZeros(strconv.FormatFloat(num, 'f', 6, 64)) +} + +// FtoaWithDigits converts a float to a string but limits the resulting string +// to the given number of decimal places, and no trailing zeros. +func FtoaWithDigits(num float64, digits int) string { + return stripTrailingZeros(stripTrailingDigits(strconv.FormatFloat(num, 'f', 6, 64), digits)) +} diff --git a/vendor/github.com/dustin/go-humanize/humanize.go b/vendor/github.com/dustin/go-humanize/humanize.go new file mode 100644 index 0000000000..a2c2da31ef --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/humanize.go @@ -0,0 +1,8 @@ +/* +Package humanize converts boring ugly numbers to human-friendly strings and back. + +Durations can be turned into strings such as "3 days ago", numbers +representing sizes like 82854982 into useful strings like, "83 MB" or +"79 MiB" (whichever you prefer). +*/ +package humanize diff --git a/vendor/github.com/dustin/go-humanize/number.go b/vendor/github.com/dustin/go-humanize/number.go new file mode 100644 index 0000000000..dec6186599 --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/number.go @@ -0,0 +1,192 @@ +package humanize + +/* +Slightly adapted from the source to fit go-humanize. + +Author: https://github.com/gorhill +Source: https://gist.github.com/gorhill/5285193 + +*/ + +import ( + "math" + "strconv" +) + +var ( + renderFloatPrecisionMultipliers = [...]float64{ + 1, + 10, + 100, + 1000, + 10000, + 100000, + 1000000, + 10000000, + 100000000, + 1000000000, + } + + renderFloatPrecisionRounders = [...]float64{ + 0.5, + 0.05, + 0.005, + 0.0005, + 0.00005, + 0.000005, + 0.0000005, + 0.00000005, + 0.000000005, + 0.0000000005, + } +) + +// FormatFloat produces a formatted number as string based on the following user-specified criteria: +// * thousands separator +// * decimal separator +// * decimal precision +// +// Usage: s := RenderFloat(format, n) +// The format parameter tells how to render the number n. +// +// See examples: http://play.golang.org/p/LXc1Ddm1lJ +// +// Examples of format strings, given n = 12345.6789: +// "#,###.##" => "12,345.67" +// "#,###." => "12,345" +// "#,###" => "12345,678" +// "#\u202F###,##" => "12 345,68" +// "#.###,###### => 12.345,678900 +// "" (aka default format) => 12,345.67 +// +// The highest precision allowed is 9 digits after the decimal symbol. +// There is also a version for integer number, FormatInteger(), +// which is convenient for calls within template. +func FormatFloat(format string, n float64) string { + // Special cases: + // NaN = "NaN" + // +Inf = "+Infinity" + // -Inf = "-Infinity" + if math.IsNaN(n) { + return "NaN" + } + if n > math.MaxFloat64 { + return "Infinity" + } + if n < -math.MaxFloat64 { + return "-Infinity" + } + + // default format + precision := 2 + decimalStr := "." + thousandStr := "," + positiveStr := "" + negativeStr := "-" + + if len(format) > 0 { + format := []rune(format) + + // If there is an explicit format directive, + // then default values are these: + precision = 9 + thousandStr = "" + + // collect indices of meaningful formatting directives + formatIndx := []int{} + for i, char := range format { + if char != '#' && char != '0' { + formatIndx = append(formatIndx, i) + } + } + + if len(formatIndx) > 0 { + // Directive at index 0: + // Must be a '+' + // Raise an error if not the case + // index: 0123456789 + // +0.000,000 + // +000,000.0 + // +0000.00 + // +0000 + if formatIndx[0] == 0 { + if format[formatIndx[0]] != '+' { + panic("RenderFloat(): invalid positive sign directive") + } + positiveStr = "+" + formatIndx = formatIndx[1:] + } + + // Two directives: + // First is thousands separator + // Raise an error if not followed by 3-digit + // 0123456789 + // 0.000,000 + // 000,000.00 + if len(formatIndx) == 2 { + if (formatIndx[1] - formatIndx[0]) != 4 { + panic("RenderFloat(): thousands separator directive must be followed by 3 digit-specifiers") + } + thousandStr = string(format[formatIndx[0]]) + formatIndx = formatIndx[1:] + } + + // One directive: + // Directive is decimal separator + // The number of digit-specifier following the separator indicates wanted precision + // 0123456789 + // 0.00 + // 000,0000 + if len(formatIndx) == 1 { + decimalStr = string(format[formatIndx[0]]) + precision = len(format) - formatIndx[0] - 1 + } + } + } + + // generate sign part + var signStr string + if n >= 0.000000001 { + signStr = positiveStr + } else if n <= -0.000000001 { + signStr = negativeStr + n = -n + } else { + signStr = "" + n = 0.0 + } + + // split number into integer and fractional parts + intf, fracf := math.Modf(n + renderFloatPrecisionRounders[precision]) + + // generate integer part string + intStr := strconv.FormatInt(int64(intf), 10) + + // add thousand separator if required + if len(thousandStr) > 0 { + for i := len(intStr); i > 3; { + i -= 3 + intStr = intStr[:i] + thousandStr + intStr[i:] + } + } + + // no fractional part, we can leave now + if precision == 0 { + return signStr + intStr + } + + // generate fractional part + fracStr := strconv.Itoa(int(fracf * renderFloatPrecisionMultipliers[precision])) + // may need padding + if len(fracStr) < precision { + fracStr = "000000000000000"[:precision-len(fracStr)] + fracStr + } + + return signStr + intStr + decimalStr + fracStr +} + +// FormatInteger produces a formatted number as string. +// See FormatFloat. +func FormatInteger(format string, n int) string { + return FormatFloat(format, float64(n)) +} diff --git a/vendor/github.com/dustin/go-humanize/ordinals.go b/vendor/github.com/dustin/go-humanize/ordinals.go new file mode 100644 index 0000000000..43d88a8619 --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/ordinals.go @@ -0,0 +1,25 @@ +package humanize + +import "strconv" + +// Ordinal gives you the input number in a rank/ordinal format. +// +// Ordinal(3) -> 3rd +func Ordinal(x int) string { + suffix := "th" + switch x % 10 { + case 1: + if x%100 != 11 { + suffix = "st" + } + case 2: + if x%100 != 12 { + suffix = "nd" + } + case 3: + if x%100 != 13 { + suffix = "rd" + } + } + return strconv.Itoa(x) + suffix +} diff --git a/vendor/github.com/dustin/go-humanize/si.go b/vendor/github.com/dustin/go-humanize/si.go new file mode 100644 index 0000000000..ae659e0e49 --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/si.go @@ -0,0 +1,123 @@ +package humanize + +import ( + "errors" + "math" + "regexp" + "strconv" +) + +var siPrefixTable = map[float64]string{ + -24: "y", // yocto + -21: "z", // zepto + -18: "a", // atto + -15: "f", // femto + -12: "p", // pico + -9: "n", // nano + -6: "µ", // micro + -3: "m", // milli + 0: "", + 3: "k", // kilo + 6: "M", // mega + 9: "G", // giga + 12: "T", // tera + 15: "P", // peta + 18: "E", // exa + 21: "Z", // zetta + 24: "Y", // yotta +} + +var revSIPrefixTable = revfmap(siPrefixTable) + +// revfmap reverses the map and precomputes the power multiplier +func revfmap(in map[float64]string) map[string]float64 { + rv := map[string]float64{} + for k, v := range in { + rv[v] = math.Pow(10, k) + } + return rv +} + +var riParseRegex *regexp.Regexp + +func init() { + ri := `^([\-0-9.]+)\s?([` + for _, v := range siPrefixTable { + ri += v + } + ri += `]?)(.*)` + + riParseRegex = regexp.MustCompile(ri) +} + +// ComputeSI finds the most appropriate SI prefix for the given number +// and returns the prefix along with the value adjusted to be within +// that prefix. +// +// See also: SI, ParseSI. +// +// e.g. ComputeSI(2.2345e-12) -> (2.2345, "p") +func ComputeSI(input float64) (float64, string) { + if input == 0 { + return 0, "" + } + mag := math.Abs(input) + exponent := math.Floor(logn(mag, 10)) + exponent = math.Floor(exponent/3) * 3 + + value := mag / math.Pow(10, exponent) + + // Handle special case where value is exactly 1000.0 + // Should return 1 M instead of 1000 k + if value == 1000.0 { + exponent += 3 + value = mag / math.Pow(10, exponent) + } + + value = math.Copysign(value, input) + + prefix := siPrefixTable[exponent] + return value, prefix +} + +// SI returns a string with default formatting. +// +// SI uses Ftoa to format float value, removing trailing zeros. +// +// See also: ComputeSI, ParseSI. +// +// e.g. SI(1000000, "B") -> 1 MB +// e.g. SI(2.2345e-12, "F") -> 2.2345 pF +func SI(input float64, unit string) string { + value, prefix := ComputeSI(input) + return Ftoa(value) + " " + prefix + unit +} + +// SIWithDigits works like SI but limits the resulting string to the +// given number of decimal places. +// +// e.g. SIWithDigits(1000000, 0, "B") -> 1 MB +// e.g. SIWithDigits(2.2345e-12, 2, "F") -> 2.23 pF +func SIWithDigits(input float64, decimals int, unit string) string { + value, prefix := ComputeSI(input) + return FtoaWithDigits(value, decimals) + " " + prefix + unit +} + +var errInvalid = errors.New("invalid input") + +// ParseSI parses an SI string back into the number and unit. +// +// See also: SI, ComputeSI. +// +// e.g. ParseSI("2.2345 pF") -> (2.2345e-12, "F", nil) +func ParseSI(input string) (float64, string, error) { + found := riParseRegex.FindStringSubmatch(input) + if len(found) != 4 { + return 0, "", errInvalid + } + mag := revSIPrefixTable[found[2]] + unit := found[3] + + base, err := strconv.ParseFloat(found[1], 64) + return base * mag, unit, err +} diff --git a/vendor/github.com/dustin/go-humanize/times.go b/vendor/github.com/dustin/go-humanize/times.go new file mode 100644 index 0000000000..dd3fbf5efc --- /dev/null +++ b/vendor/github.com/dustin/go-humanize/times.go @@ -0,0 +1,117 @@ +package humanize + +import ( + "fmt" + "math" + "sort" + "time" +) + +// Seconds-based time units +const ( + Day = 24 * time.Hour + Week = 7 * Day + Month = 30 * Day + Year = 12 * Month + LongTime = 37 * Year +) + +// Time formats a time into a relative string. +// +// Time(someT) -> "3 weeks ago" +func Time(then time.Time) string { + return RelTime(then, time.Now(), "ago", "from now") +} + +// A RelTimeMagnitude struct contains a relative time point at which +// the relative format of time will switch to a new format string. A +// slice of these in ascending order by their "D" field is passed to +// CustomRelTime to format durations. +// +// The Format field is a string that may contain a "%s" which will be +// replaced with the appropriate signed label (e.g. "ago" or "from +// now") and a "%d" that will be replaced by the quantity. +// +// The DivBy field is the amount of time the time difference must be +// divided by in order to display correctly. +// +// e.g. if D is 2*time.Minute and you want to display "%d minutes %s" +// DivBy should be time.Minute so whatever the duration is will be +// expressed in minutes. +type RelTimeMagnitude struct { + D time.Duration + Format string + DivBy time.Duration +} + +var defaultMagnitudes = []RelTimeMagnitude{ + {time.Second, "now", time.Second}, + {2 * time.Second, "1 second %s", 1}, + {time.Minute, "%d seconds %s", time.Second}, + {2 * time.Minute, "1 minute %s", 1}, + {time.Hour, "%d minutes %s", time.Minute}, + {2 * time.Hour, "1 hour %s", 1}, + {Day, "%d hours %s", time.Hour}, + {2 * Day, "1 day %s", 1}, + {Week, "%d days %s", Day}, + {2 * Week, "1 week %s", 1}, + {Month, "%d weeks %s", Week}, + {2 * Month, "1 month %s", 1}, + {Year, "%d months %s", Month}, + {18 * Month, "1 year %s", 1}, + {2 * Year, "2 years %s", 1}, + {LongTime, "%d years %s", Year}, + {math.MaxInt64, "a long while %s", 1}, +} + +// RelTime formats a time into a relative string. +// +// It takes two times and two labels. In addition to the generic time +// delta string (e.g. 5 minutes), the labels are used applied so that +// the label corresponding to the smaller time is applied. +// +// RelTime(timeInPast, timeInFuture, "earlier", "later") -> "3 weeks earlier" +func RelTime(a, b time.Time, albl, blbl string) string { + return CustomRelTime(a, b, albl, blbl, defaultMagnitudes) +} + +// CustomRelTime formats a time into a relative string. +// +// It takes two times two labels and a table of relative time formats. +// In addition to the generic time delta string (e.g. 5 minutes), the +// labels are used applied so that the label corresponding to the +// smaller time is applied. +func CustomRelTime(a, b time.Time, albl, blbl string, magnitudes []RelTimeMagnitude) string { + lbl := albl + diff := b.Sub(a) + + if a.After(b) { + lbl = blbl + diff = a.Sub(b) + } + + n := sort.Search(len(magnitudes), func(i int) bool { + return magnitudes[i].D > diff + }) + + if n >= len(magnitudes) { + n = len(magnitudes) - 1 + } + mag := magnitudes[n] + args := []interface{}{} + escaped := false + for _, ch := range mag.Format { + if escaped { + switch ch { + case 's': + args = append(args, lbl) + case 'd': + args = append(args, diff/mag.DivBy) + } + escaped = false + } else { + escaped = ch == '%' + } + } + return fmt.Sprintf(mag.Format, args...) +} |