Checking in vendor folder for ease of using go get.

vendor/golang.org/x/text/message/message.go

@@ -0,0 +1,186 @@
+// Copyright 2015 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 message // import "golang.org/x/text/message"
+
+import (
+	"io"
+	"os"
+
+	// Include features to facilitate generated catalogs.
+	_ "golang.org/x/text/feature/plural"
+
+	"golang.org/x/text/internal/number"
+	"golang.org/x/text/language"
+	"golang.org/x/text/message/catalog"
+)
+
+// A Printer implements language-specific formatted I/O analogous to the fmt
+// package.
+type Printer struct {
+	// the language
+	tag language.Tag
+
+	toDecimal    number.Formatter
+	toScientific number.Formatter
+
+	cat catalog.Catalog
+}
+
+type options struct {
+	cat catalog.Catalog
+	// TODO:
+	// - allow %s to print integers in written form (tables are likely too large
+	//   to enable this by default).
+	// - list behavior
+	//
+}
+
+// An Option defines an option of a Printer.
+type Option func(o *options)
+
+// Catalog defines the catalog to be used.
+func Catalog(c catalog.Catalog) Option {
+	return func(o *options) { o.cat = c }
+}
+
+// NewPrinter returns a Printer that formats messages tailored to language t.
+func NewPrinter(t language.Tag, opts ...Option) *Printer {
+	options := &options{
+		cat: DefaultCatalog,
+	}
+	for _, o := range opts {
+		o(options)
+	}
+	p := &Printer{
+		tag: t,
+		cat: options.cat,
+	}
+	p.toDecimal.InitDecimal(t)
+	p.toScientific.InitScientific(t)
+	return p
+}
+
+// Sprint is like fmt.Sprint, but using language-specific formatting.
+func (p *Printer) Sprint(a ...interface{}) string {
+	pp := newPrinter(p)
+	pp.doPrint(a)
+	s := pp.String()
+	pp.free()
+	return s
+}
+
+// Fprint is like fmt.Fprint, but using language-specific formatting.
+func (p *Printer) Fprint(w io.Writer, a ...interface{}) (n int, err error) {
+	pp := newPrinter(p)
+	pp.doPrint(a)
+	n64, err := io.Copy(w, &pp.Buffer)
+	pp.free()
+	return int(n64), err
+}
+
+// Print is like fmt.Print, but using language-specific formatting.
+func (p *Printer) Print(a ...interface{}) (n int, err error) {
+	return p.Fprint(os.Stdout, a...)
+}
+
+// Sprintln is like fmt.Sprintln, but using language-specific formatting.
+func (p *Printer) Sprintln(a ...interface{}) string {
+	pp := newPrinter(p)
+	pp.doPrintln(a)
+	s := pp.String()
+	pp.free()
+	return s
+}
+
+// Fprintln is like fmt.Fprintln, but using language-specific formatting.
+func (p *Printer) Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
+	pp := newPrinter(p)
+	pp.doPrintln(a)
+	n64, err := io.Copy(w, &pp.Buffer)
+	pp.free()
+	return int(n64), err
+}
+
+// Println is like fmt.Println, but using language-specific formatting.
+func (p *Printer) Println(a ...interface{}) (n int, err error) {
+	return p.Fprintln(os.Stdout, a...)
+}
+
+// Sprintf is like fmt.Sprintf, but using language-specific formatting.
+func (p *Printer) Sprintf(key Reference, a ...interface{}) string {
+	pp := newPrinter(p)
+	lookupAndFormat(pp, key, a)
+	s := pp.String()
+	pp.free()
+	return s
+}
+
+// Fprintf is like fmt.Fprintf, but using language-specific formatting.
+func (p *Printer) Fprintf(w io.Writer, key Reference, a ...interface{}) (n int, err error) {
+	pp := newPrinter(p)
+	lookupAndFormat(pp, key, a)
+	n, err = w.Write(pp.Bytes())
+	pp.free()
+	return n, err
+
+}
+
+// Printf is like fmt.Printf, but using language-specific formatting.
+func (p *Printer) Printf(key Reference, a ...interface{}) (n int, err error) {
+	pp := newPrinter(p)
+	lookupAndFormat(pp, key, a)
+	n, err = os.Stdout.Write(pp.Bytes())
+	pp.free()
+	return n, err
+}
+
+func lookupAndFormat(p *printer, r Reference, a []interface{}) {
+	p.fmt.Reset(a)
+	var id, msg string
+	switch v := r.(type) {
+	case string:
+		id, msg = v, v
+	case key:
+		id, msg = v.id, v.fallback
+	default:
+		panic("key argument is not a Reference")
+	}
+
+	if p.catContext.Execute(id) == catalog.ErrNotFound {
+		if p.catContext.Execute(msg) == catalog.ErrNotFound {
+			p.Render(msg)
+			return
+		}
+	}
+}
+
+// Arg implements catmsg.Renderer.
+func (p *printer) Arg(i int) interface{} { // TODO, also return "ok" bool
+	i--
+	if uint(i) < uint(len(p.fmt.Args)) {
+		return p.fmt.Args[i]
+	}
+	return nil
+}
+
+// Render implements catmsg.Renderer.
+func (p *printer) Render(msg string) {
+	p.doPrintf(msg)
+}
+
+// A Reference is a string or a message reference.
+type Reference interface {
+	// TODO: also allow []string
+}
+
+// Key creates a message Reference for a message where the given id is used for
+// message lookup and the fallback is returned when no matches are found.
+func Key(id string, fallback string) Reference {
+	return key{id, fallback}
+}
+
+type key struct {
+	id, fallback string
+}