mirror of
https://github.com/octoleo/restic.git
synced 2024-12-02 09:58:25 +00:00
2b39f9f4b2
Among others, this updates minio-go, so that the new "eu-west-3" zone for AWS is supported.
123 lines
3.0 KiB
Go
123 lines
3.0 KiB
Go
// Copyright 2017 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package number
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"golang.org/x/text/feature/plural"
|
|
"golang.org/x/text/internal/format"
|
|
"golang.org/x/text/internal/number"
|
|
"golang.org/x/text/language"
|
|
)
|
|
|
|
// A FormatFunc formates a number.
|
|
type FormatFunc func(x interface{}, opts ...Option) Formatter
|
|
|
|
// NewFormat creates a FormatFunc based on another FormatFunc and new options.
|
|
// Use NewFormat to cash the creation of formatters.
|
|
func NewFormat(format FormatFunc, opts ...Option) FormatFunc {
|
|
o := *format(nil).options
|
|
n := len(o.options)
|
|
o.options = append(o.options[:n:n], opts...)
|
|
return func(x interface{}, opts ...Option) Formatter {
|
|
return newFormatter(&o, opts, x)
|
|
}
|
|
}
|
|
|
|
type options struct {
|
|
verbs string
|
|
initFunc initFunc
|
|
options []Option
|
|
pluralFunc func(t language.Tag, scale int) (f plural.Form, n int)
|
|
}
|
|
|
|
type optionFlag uint16
|
|
|
|
const (
|
|
hasScale optionFlag = 1 << iota
|
|
hasPrecision
|
|
noSeparator
|
|
exact
|
|
)
|
|
|
|
type initFunc func(f *number.Formatter, t language.Tag)
|
|
|
|
func newFormatter(o *options, opts []Option, value interface{}) Formatter {
|
|
if len(opts) > 0 {
|
|
n := *o
|
|
n.options = opts
|
|
o = &n
|
|
}
|
|
return Formatter{o, value}
|
|
}
|
|
|
|
func newOptions(verbs string, f initFunc) *options {
|
|
return &options{verbs: verbs, initFunc: f}
|
|
}
|
|
|
|
type Formatter struct {
|
|
*options
|
|
value interface{}
|
|
}
|
|
|
|
// Format implements format.Formatter. It is for internal use only for now.
|
|
func (f Formatter) Format(state format.State, verb rune) {
|
|
// TODO: consider implementing fmt.Formatter instead and using the following
|
|
// piece of code. This allows numbers to be rendered mostly as expected
|
|
// when using fmt. But it may get weird with the spellout options and we
|
|
// may need more of format.State over time.
|
|
// lang := language.Und
|
|
// if s, ok := state.(format.State); ok {
|
|
// lang = s.Language()
|
|
// }
|
|
|
|
lang := state.Language()
|
|
if !strings.Contains(f.verbs, string(verb)) {
|
|
fmt.Fprintf(state, "%%!%s(%T=%v)", string(verb), f.value, f.value)
|
|
return
|
|
}
|
|
var p number.Formatter
|
|
f.initFunc(&p, lang)
|
|
for _, o := range f.options.options {
|
|
o(lang, &p)
|
|
}
|
|
if w, ok := state.Width(); ok {
|
|
p.FormatWidth = uint16(w)
|
|
}
|
|
if prec, ok := state.Precision(); ok {
|
|
switch verb {
|
|
case 'd':
|
|
p.SetScale(0)
|
|
case 'f':
|
|
p.SetScale(prec)
|
|
case 'e':
|
|
p.SetPrecision(prec + 1)
|
|
case 'g':
|
|
p.SetPrecision(prec)
|
|
}
|
|
}
|
|
var d number.Decimal
|
|
d.Convert(p.RoundingContext, f.value)
|
|
state.Write(p.Format(nil, &d))
|
|
}
|
|
|
|
// Digits returns information about which logical digits will be presented to
|
|
// the user. This information is relevant, for instance, to determine plural
|
|
// forms.
|
|
func (f Formatter) Digits(buf []byte, tag language.Tag, scale int) number.Digits {
|
|
var p number.Formatter
|
|
f.initFunc(&p, tag)
|
|
if scale >= 0 {
|
|
// TODO: this only works well for decimal numbers, which is generally
|
|
// fine.
|
|
p.SetScale(scale)
|
|
}
|
|
var d number.Decimal
|
|
d.Convert(p.RoundingContext, f.value)
|
|
return number.FormatDigits(&d, p.RoundingContext)
|
|
}
|