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Among others, this updates minio-go, so that the new "eu-west-3" zone for AWS is supported.
187 lines
4.4 KiB
Go
187 lines
4.4 KiB
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package message // import "golang.org/x/text/message"
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import (
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"io"
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"os"
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// Include features to facilitate generated catalogs.
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_ "golang.org/x/text/feature/plural"
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"golang.org/x/text/internal/number"
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"golang.org/x/text/language"
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"golang.org/x/text/message/catalog"
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)
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// A Printer implements language-specific formatted I/O analogous to the fmt
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// package.
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type Printer struct {
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// the language
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tag language.Tag
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toDecimal number.Formatter
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toScientific number.Formatter
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cat catalog.Catalog
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}
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type options struct {
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cat catalog.Catalog
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// TODO:
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// - allow %s to print integers in written form (tables are likely too large
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// to enable this by default).
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// - list behavior
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//
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}
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// An Option defines an option of a Printer.
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type Option func(o *options)
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// Catalog defines the catalog to be used.
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func Catalog(c catalog.Catalog) Option {
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return func(o *options) { o.cat = c }
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}
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// NewPrinter returns a Printer that formats messages tailored to language t.
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func NewPrinter(t language.Tag, opts ...Option) *Printer {
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options := &options{
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cat: DefaultCatalog,
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}
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for _, o := range opts {
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o(options)
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}
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p := &Printer{
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tag: t,
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cat: options.cat,
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}
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p.toDecimal.InitDecimal(t)
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p.toScientific.InitScientific(t)
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return p
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}
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// Sprint is like fmt.Sprint, but using language-specific formatting.
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func (p *Printer) Sprint(a ...interface{}) string {
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pp := newPrinter(p)
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pp.doPrint(a)
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s := pp.String()
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pp.free()
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return s
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}
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// Fprint is like fmt.Fprint, but using language-specific formatting.
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func (p *Printer) Fprint(w io.Writer, a ...interface{}) (n int, err error) {
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pp := newPrinter(p)
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pp.doPrint(a)
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n64, err := io.Copy(w, &pp.Buffer)
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pp.free()
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return int(n64), err
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}
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// Print is like fmt.Print, but using language-specific formatting.
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func (p *Printer) Print(a ...interface{}) (n int, err error) {
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return p.Fprint(os.Stdout, a...)
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}
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// Sprintln is like fmt.Sprintln, but using language-specific formatting.
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func (p *Printer) Sprintln(a ...interface{}) string {
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pp := newPrinter(p)
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pp.doPrintln(a)
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s := pp.String()
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pp.free()
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return s
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}
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// Fprintln is like fmt.Fprintln, but using language-specific formatting.
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func (p *Printer) Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
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pp := newPrinter(p)
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pp.doPrintln(a)
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n64, err := io.Copy(w, &pp.Buffer)
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pp.free()
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return int(n64), err
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}
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// Println is like fmt.Println, but using language-specific formatting.
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func (p *Printer) Println(a ...interface{}) (n int, err error) {
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return p.Fprintln(os.Stdout, a...)
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}
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// Sprintf is like fmt.Sprintf, but using language-specific formatting.
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func (p *Printer) Sprintf(key Reference, a ...interface{}) string {
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pp := newPrinter(p)
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lookupAndFormat(pp, key, a)
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s := pp.String()
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pp.free()
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return s
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}
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// Fprintf is like fmt.Fprintf, but using language-specific formatting.
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func (p *Printer) Fprintf(w io.Writer, key Reference, a ...interface{}) (n int, err error) {
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pp := newPrinter(p)
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lookupAndFormat(pp, key, a)
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n, err = w.Write(pp.Bytes())
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pp.free()
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return n, err
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}
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// Printf is like fmt.Printf, but using language-specific formatting.
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func (p *Printer) Printf(key Reference, a ...interface{}) (n int, err error) {
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pp := newPrinter(p)
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lookupAndFormat(pp, key, a)
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n, err = os.Stdout.Write(pp.Bytes())
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pp.free()
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return n, err
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}
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func lookupAndFormat(p *printer, r Reference, a []interface{}) {
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p.fmt.Reset(a)
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var id, msg string
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switch v := r.(type) {
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case string:
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id, msg = v, v
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case key:
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id, msg = v.id, v.fallback
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default:
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panic("key argument is not a Reference")
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}
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if p.catContext.Execute(id) == catalog.ErrNotFound {
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if p.catContext.Execute(msg) == catalog.ErrNotFound {
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p.Render(msg)
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return
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}
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}
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}
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// Arg implements catmsg.Renderer.
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func (p *printer) Arg(i int) interface{} { // TODO, also return "ok" bool
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i--
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if uint(i) < uint(len(p.fmt.Args)) {
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return p.fmt.Args[i]
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}
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return nil
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}
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// Render implements catmsg.Renderer.
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func (p *printer) Render(msg string) {
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p.doPrintf(msg)
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}
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// A Reference is a string or a message reference.
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type Reference interface {
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// TODO: also allow []string
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}
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// Key creates a message Reference for a message where the given id is used for
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// message lookup and the fallback is returned when no matches are found.
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func Key(id string, fallback string) Reference {
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return key{id, fallback}
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}
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type key struct {
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id, fallback string
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}
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