func main() {
	gen.Init()

	const pkg = "number"

	gen.Repackage("gen_common.go", "common.go", pkg)
	// Read the CLDR zip file.
	r := gen.OpenCLDRCoreZip()
	defer r.Close()

	d := &cldr.Decoder{}
	d.SetDirFilter("supplemental", "main")
	d.SetSectionFilter("numbers", "numberingSystem")
	data, err := d.DecodeZip(r)
	if err != nil {
		log.Fatalf("DecodeZip: %v", err)
	}

	w := gen.NewCodeWriter()
	defer w.WriteGoFile(*outputFile, pkg)

	fmt.Fprintln(w, `import "golang.org/x/text/internal/stringset"`)

	gen.WriteCLDRVersion(w)

	genNumSystem(w, data)
	genSymbols(w, data)
}

func TestNumberSystems(t *testing.T) {
	testtext.SkipIfNotLong(t)

	r := gen.OpenCLDRCoreZip()
	defer r.Close()

	d := &cldr.Decoder{}
	d.SetDirFilter("supplemental")
	d.SetSectionFilter("numberingSystem")
	data, err := d.DecodeZip(r)
	if err != nil {
		t.Fatalf("DecodeZip: %v", err)
	}

	for _, ns := range data.Supplemental().NumberingSystems.NumberingSystem {
		n := systemMap[ns.Id]
		if int(n) >= len(numSysData) {
			continue
		}
		info := InfoFromLangID(0, ns.Id)
		val := '0'
		for _, rWant := range ns.Digits {
			if rGot := info.Digit(val); rGot != rWant {
				t.Errorf("%s:%d: got %U; want %U", ns.Id, val, rGot, rWant)
			}
			val++
		}
	}
}

func main() {
	gen.Init()

	// Read the CLDR zip file.
	r := gen.OpenCLDRCoreZip()
	defer r.Close()

	d := &cldr.Decoder{}
	d.SetDirFilter("main", "supplemental")
	d.SetSectionFilter("localeDisplayNames")
	data, err := d.DecodeZip(r)
	if err != nil {
		log.Fatalf("DecodeZip: %v", err)
	}

	w := &bytes.Buffer{}
	gen.WriteCLDRVersion(w)

	b := builder{
		w:     w,
		data:  data,
		group: make(map[string]*group),
	}
	b.generate()
	gen.WriteGoFile(*outputFile, "display", w.Bytes())
}

func main() {
	gen.Init()

	gen.Repackage("gen_common.go", "common.go", "currency")

	// Read the CLDR zip file.
	r := gen.OpenCLDRCoreZip()
	defer r.Close()

	d := &cldr.Decoder{}
	d.SetDirFilter("supplemental", "main")
	d.SetSectionFilter("numbers")
	data, err := d.DecodeZip(r)
	if err != nil {
		log.Fatalf("DecodeZip: %v", err)
	}

	w := gen.NewCodeWriter()
	defer w.WriteGoFile(*outputFile, "currency")

	fmt.Fprintln(w, `import "golang.org/x/text/internal/tag"`)

	gen.WriteCLDRVersion(w)
	b := &builder{}
	b.genCurrencies(w, data.Supplemental())
	b.genSymbols(w, data)
}

func openArchive() *zip.Reader {
	f := gen.OpenCLDRCoreZip()
	buffer, err := ioutil.ReadAll(f)
	f.Close()
	failOnError(err)
	archive, err := zip.NewReader(bytes.NewReader(buffer), int64(len(buffer)))
	failOnError(err)
	return archive
}

func TestTables(t *testing.T) {
	if !*long {
		return
	}

	gen.Init()

	// Read the CLDR zip file.
	r := gen.OpenCLDRCoreZip()
	defer r.Close()

	d := &cldr.Decoder{}
	d.SetDirFilter("supplemental", "main")
	d.SetSectionFilter("numbers")
	data, err := d.DecodeZip(r)
	if err != nil {
		t.Fatalf("DecodeZip: %v", err)
	}

	dr, err := cldr.ParseDraft(*draft)
	if err != nil {
		t.Fatalf("filter: %v", err)
	}

	for _, lang := range data.Locales() {
		p := message.NewPrinter(language.MustParse(lang))

		ldml := data.RawLDML(lang)
		if ldml.Numbers == nil || ldml.Numbers.Currencies == nil {
			continue
		}
		for _, c := range ldml.Numbers.Currencies.Currency {
			syms := cldr.MakeSlice(&c.Symbol)
			syms.SelectDraft(dr)

			for _, sym := range c.Symbol {
				cur, err := ParseISO(c.Type)
				if err != nil {
					continue
				}
				formatter := Symbol
				switch sym.Alt {
				case "":
				case "narrow":
					formatter = NarrowSymbol
				default:
					continue
				}
				want := sym.Data()
				if got := p.Sprint(formatter(cur)); got != want {
					t.Errorf("%s:%sSymbol(%s) = %s; want %s", lang, strings.Title(sym.Alt), c.Type, got, want)
				}
			}
		}
	}
}

func newBuilder(w *gen.CodeWriter) *builder {
	r := gen.OpenCLDRCoreZip()
	defer r.Close()
	d := &cldr.Decoder{}
	data, err := d.DecodeZip(r)
	failOnError(err)
	b := builder{
		w:    w,
		hw:   io.MultiWriter(w, w.Hash),
		data: data,
		supp: data.Supplemental(),
	}
	b.parseRegistry()
	return &b
}

func newBuilder(w io.Writer) *builder {
	r := gen.OpenCLDRCoreZip()
	defer r.Close()
	d := &cldr.Decoder{}
	d.SetDirFilter("supplemental")
	data, err := d.DecodeZip(r)
	failOnError(err)
	b := builder{
		out:    w,
		data:   data,
		supp:   data.Supplemental(),
		hash32: fnv.New32(),
	}
	b.w = io.MultiWriter(b.out, b.hash32)
	b.parseRegistry()
	return &b
}

func main() {
	gen.Init()

	// Read the CLDR zip file. Autodownloading if file not found
	r := gen.OpenCLDRCoreZip()
	defer r.Close()

	d := &cldr.Decoder{}
	d.SetDirFilter("main", "supplemental")
	d.SetSectionFilter("localeDisplayNames", "numbers")
	data, err := d.DecodeZip(r)
	codegen.LogFatal(err, "DecodeZip: %v", err)

	curW := &bytes.Buffer{}
	for _, loc := range data.Locales() {

		if false == codegen.ConfigLocalization.EnabledLocale.Include(loc) {
			continue
		}

		ldml, err := data.LDML(loc)
		codegen.LogFatal(err)
		fmt.Fprintf(os.Stdout, "Generating: %s\n", loc)

		curB := curBuilder{
			w:      curW,
			locale: loc,
			data:   ldml,
		}
		curB.generate()
	}

	tplData := map[string]interface{}{
		"Package":       codegen.ConfigLocalization.Package,
		"CurrencyDicts": curW.String(),
	}

	formatted, err := codegen.GenerateCode(codegen.ConfigLocalization.Package, tplCode, tplData, nil)
	if err != nil {
		codegen.LogFatal(err, "\n%s\n", formatted)
	}

	codegen.LogFatal(ioutil.WriteFile(codegen.ConfigLocalization.OutputFile, formatted, 0600))
}

func main() {
	flag.Parse()

	r := gen.OpenCLDRCoreZip()
	buffer, err := ioutil.ReadAll(r)
	if err != nil {
		log.Fatal("Could not read zip file")
	}
	r.Close()
	z, err := zip.NewReader(bytes.NewReader(buffer), int64(len(buffer)))
	if err != nil {
		log.Fatalf("Could not read zip archive: %v", err)
	}

	var buf bytes.Buffer

	version := gen.CLDRVersion()

	for _, dtd := range files {
		for _, f := range z.File {
			if strings.HasSuffix(f.Name, dtd.file+".dtd") {
				r, err := f.Open()
				failOnError(err)

				b := makeBuilder(&buf, dtd)
				b.parseDTD(r)
				b.resolve(b.index[dtd.top[0]])
				b.write()
				if b.version != "" && version != b.version {
					println(f.Name)
					log.Fatalf("main: inconsistent versions: found %s; want %s", b.version, version)
				}
				break
			}
		}
	}
	fmt.Fprintln(&buf, "// Version is the version of CLDR from which the XML definitions are generated.")
	fmt.Fprintf(&buf, "const Version = %q\n", version)

	gen.WriteGoFile(*outputFile, "cldr", buf.Bytes())
}

func main() {
	gen.Init()

	rewriteCommon()

	// Read the CLDR zip file.
	r := gen.OpenCLDRCoreZip()
	defer r.Close()

	d := &cldr.Decoder{}
	d.SetDirFilter("supplemental")
	data, err := d.DecodeZip(r)
	if err != nil {
		log.Fatalf("DecodeZip: %v", err)
	}

	w := gen.NewCodeWriter()
	defer w.WriteGoFile(*outputFile, "currency")

	fmt.Fprintln(w, `import "golang.org/x/text/internal/tag"`)

	gen.WriteCLDRVersion(w)
	genCurrencies(w, data.Supplemental())
}

func main() {
	r := gen.OpenCLDRCoreZip()
	defer r.Close()

	d := &cldr.Decoder{}
	data, err := d.DecodeZip(r)
	if err != nil {
		log.Fatalf("DecodeZip: %v", err)
	}

	w := gen.NewCodeWriter()
	defer w.WriteGoFile("tables.go", "internal")

	// Create parents table.
	parents := make([]uint16, language.NumCompactTags)
	for _, loc := range data.Locales() {
		tag := language.MustParse(loc)
		index, ok := language.CompactIndex(tag)
		if !ok {
			continue
		}
		parentIndex := 0 // und
		for p := tag.Parent(); p != language.Und; p = p.Parent() {
			if x, ok := language.CompactIndex(p); ok {
				parentIndex = x
				break
			}
		}
		parents[index] = uint16(parentIndex)
	}

	w.WriteComment(`
	Parent maps a compact index of a tag to the compact index of the parent of
	this tag.`)
	w.WriteVar("Parent", parents)
}

func decodeCLDR(d *cldr.Decoder) *cldr.CLDR {
	r := gen.OpenCLDRCoreZip()
	data, err := d.DecodeZip(r)
	failOnError(err)
	return data
}

func TestSymbols(t *testing.T) {
	testtext.SkipIfNotLong(t)

	draft, err := cldr.ParseDraft(*draft)
	if err != nil {
		log.Fatalf("invalid draft level: %v", err)
	}

	r := gen.OpenCLDRCoreZip()
	defer r.Close()

	d := &cldr.Decoder{}
	d.SetDirFilter("main")
	d.SetSectionFilter("numbers")
	data, err := d.DecodeZip(r)
	if err != nil {
		t.Fatalf("DecodeZip: %v", err)
	}

	for _, lang := range data.Locales() {
		ldml := data.RawLDML(lang)
		if ldml.Numbers == nil {
			continue
		}
		langIndex, ok := language.CompactIndex(language.MustParse(lang))
		if !ok {
			t.Fatalf("No compact index for language %s", lang)
		}

		syms := cldr.MakeSlice(&ldml.Numbers.Symbols)
		syms.SelectDraft(draft)

		for _, sym := range ldml.Numbers.Symbols {
			if sym.NumberSystem == "" {
				continue
			}
			testCases := []struct {
				name string
				st   SymbolType
				x    interface{}
			}{
				{"Decimal", SymDecimal, sym.Decimal},
				{"Group", SymGroup, sym.Group},
				{"List", SymList, sym.List},
				{"PercentSign", SymPercentSign, sym.PercentSign},
				{"PlusSign", SymPlusSign, sym.PlusSign},
				{"MinusSign", SymMinusSign, sym.MinusSign},
				{"Exponential", SymExponential, sym.Exponential},
				{"SuperscriptingExponent", SymSuperscriptingExponent, sym.SuperscriptingExponent},
				{"PerMille", SymPerMille, sym.PerMille},
				{"Infinity", SymInfinity, sym.Infinity},
				{"NaN", SymNan, sym.Nan},
				{"TimeSeparator", SymTimeSeparator, sym.TimeSeparator},
			}
			info := InfoFromLangID(langIndex, sym.NumberSystem)
			for _, tc := range testCases {
				// Extract the wanted value.
				v := reflect.ValueOf(tc.x)
				if v.Len() == 0 {
					return
				}
				if v.Len() > 1 {
					t.Fatalf("Multiple values of %q within single symbol not supported.", tc.name)
				}
				want := v.Index(0).MethodByName("Data").Call(nil)[0].String()
				got := info.Symbol(tc.st)
				if got != want {
					t.Errorf("%s:%s:%s: got %q; want %q", lang, sym.NumberSystem, tc.name, got, want)
				}
			}
		}
	}
}

func TestTables(t *testing.T) {
	testtext.SkipIfNotLong(t)

	// Read the CLDR zip file.
	r := gen.OpenCLDRCoreZip()
	defer r.Close()

	d := &cldr.Decoder{}
	d.SetDirFilter("supplemental", "main")
	d.SetSectionFilter("numbers")
	data, err := d.DecodeZip(r)
	if err != nil {
		t.Fatalf("DecodeZip: %v", err)
	}

	dr, err := cldr.ParseDraft(*draft)
	if err != nil {
		t.Fatalf("filter: %v", err)
	}

	for _, lang := range data.Locales() {
		p := message.NewPrinter(language.MustParse(lang))

		ldml := data.RawLDML(lang)
		if ldml.Numbers == nil || ldml.Numbers.Currencies == nil {
			continue
		}
		for _, c := range ldml.Numbers.Currencies.Currency {
			syms := cldr.MakeSlice(&c.Symbol)
			syms.SelectDraft(dr)

			for _, sym := range c.Symbol {
				cur, err := ParseISO(c.Type)
				if err != nil {
					continue
				}
				formatter := Symbol
				switch sym.Alt {
				case "":
				case "narrow":
					formatter = NarrowSymbol
				default:
					continue
				}
				want := sym.Data()
				if got := p.Sprint(formatter(cur)); got != want {
					t.Errorf("%s:%sSymbol(%s) = %s; want %s", lang, strings.Title(sym.Alt), c.Type, got, want)
				}
			}
		}
	}

	for _, reg := range data.Supplemental().CurrencyData.Region {
		i := 0
		for ; regionData[i].Region().String() != reg.Iso3166; i++ {
		}
		it := Query(Historical, NonTender, Region(language.MustParseRegion(reg.Iso3166)))
		for _, cur := range reg.Currency {
			from, _ := time.Parse("2006-01-02", cur.From)
			to, _ := time.Parse("2006-01-02", cur.To)

			it.Next()
			for j, r := range []QueryIter{&iter{regionInfo: &regionData[i]}, it} {
				if got, _ := r.From(); from != got {
					t.Errorf("%d:%s:%s:from: got %v; want %v", j, reg.Iso3166, cur.Iso4217, got, from)
				}
				if got, _ := r.To(); to != got {
					t.Errorf("%d:%s:%s:to: got %v; want %v", j, reg.Iso3166, cur.Iso4217, got, to)
				}
			}
			i++
		}
	}
}

func main() {
	gen.Init()

	// Read the CLDR zip file.
	r := gen.OpenCLDRCoreZip()
	defer r.Close()

	d := &cldr.Decoder{}
	data, err := d.DecodeZip(r)
	if err != nil {
		log.Fatalf("DecodeZip: %v", err)
	}

	w := gen.NewCodeWriter()
	defer func() {
		buf := &bytes.Buffer{}

		if _, err = w.WriteGo(buf, "language"); err != nil {
			log.Fatalf("Error formatting file index.go: %v", err)
		}

		// Since we're generating a table for our own package we need to rewrite
		// doing the equivalent of go fmt -r 'language.b -> b'. Using
		// bytes.Replace will do.
		out := bytes.Replace(buf.Bytes(), []byte("language."), nil, -1)
		if err := ioutil.WriteFile("index.go", out, 0600); err != nil {
			log.Fatalf("Could not create file index.go: %v", err)
		}
	}()

	m := map[language.Tag]bool{}
	for _, lang := range data.Locales() {
		// We include all locales unconditionally to be consistent with en_US.
		// We want en_US, even though it has no data associated with it.

		// TODO: put any of the languages for which no data exists at the end
		// of the index. This allows all components based on ICU to use that
		// as the cutoff point.
		// if x := data.RawLDML(lang); false ||
		// 	x.LocaleDisplayNames != nil ||
		// 	x.Characters != nil ||
		// 	x.Delimiters != nil ||
		// 	x.Measurement != nil ||
		// 	x.Dates != nil ||
		// 	x.Numbers != nil ||
		// 	x.Units != nil ||
		// 	x.ListPatterns != nil ||
		// 	x.Collations != nil ||
		// 	x.Segmentations != nil ||
		// 	x.Rbnf != nil ||
		// 	x.Annotations != nil ||
		// 	x.Metadata != nil {

		// TODO: support POSIX natively, albeit non-standard.
		tag := language.Make(strings.Replace(lang, "_POSIX", "-u-va-posix", 1))
		m[tag] = true
		// }
	}
	// Include locales for plural rules, which uses a different structure.
	for _, plurals := range data.Supplemental().Plurals {
		for _, rules := range plurals.PluralRules {
			for _, lang := range strings.Split(rules.Locales, " ") {
				m[language.Make(lang)] = true
			}
		}
	}

	var core, special []language.Tag

	for t := range m {
		if x := t.Extensions(); len(x) != 0 && fmt.Sprint(x) != "[u-va-posix]" {
			log.Fatalf("Unexpected extension %v in %v", x, t)
		}
		if len(t.Variants()) == 0 && len(t.Extensions()) == 0 {
			core = append(core, t)
		} else {
			special = append(special, t)
		}
	}

	w.WriteComment(`
	NumCompactTags is the number of common tags. The maximum tag is
	NumCompactTags-1.`)
	w.WriteConst("NumCompactTags", len(core)+len(special))

	sort.Sort(byAlpha(special))
	w.WriteVar("specialTags", special)

	// TODO: order by frequency?
	sort.Sort(byAlpha(core))

	// Size computations are just an estimate.
	w.Size += int(reflect.TypeOf(map[uint32]uint16{}).Size())
	w.Size += len(core) * 6 // size of uint32 and uint16

	fmt.Fprintln(w)
	fmt.Fprintln(w, "var coreTags = map[uint32]uint16{")
	fmt.Fprintln(w, "0x0: 0, // und")
	i := len(special) + 1 // Und and special tags already written.
	for _, t := range core {
//.........这里部分代码省略.........

func main() {
	gen.Init()

	// Read the CLDR zip file.
	r := gen.OpenCLDRCoreZip()
	defer r.Close()

	d := &cldr.Decoder{}
	data, err := d.DecodeZip(r)
	if err != nil {
		log.Fatalf("DecodeZip: %v", err)
	}

	w := gen.NewCodeWriter()
	defer func() {
		buf := &bytes.Buffer{}

		if _, err = w.WriteGo(buf, "language"); err != nil {
			log.Fatalf("Error formatting file index.go: %v", err)
		}

		// Since we're generating a table for our own package we need to rewrite
		// doing the equivalent of go fmt -r 'language.b -> b'. Using
		// bytes.Replace will do.
		out := bytes.Replace(buf.Bytes(), []byte("language."), nil, -1)
		if err := ioutil.WriteFile("index.go", out, 0600); err != nil {
			log.Fatalf("Could not create file index.go: %v", err)
		}
	}()

	m := map[language.Tag]bool{}
	for _, lang := range data.Locales() {
		if x := data.RawLDML(lang); false ||
			x.LocaleDisplayNames != nil ||
			x.Characters != nil ||
			x.Delimiters != nil ||
			x.Measurement != nil ||
			x.Dates != nil ||
			x.Numbers != nil ||
			x.Units != nil ||
			x.ListPatterns != nil ||
			x.Collations != nil ||
			x.Segmentations != nil ||
			x.Rbnf != nil ||
			x.Annotations != nil ||
			x.Metadata != nil {

			// TODO: support POSIX natively, albeit non-standard.
			tag := language.Make(strings.Replace(lang, "_POSIX", "-u-va-posix", 1))
			m[tag] = true
		}
	}
	var core, special []language.Tag

	for t := range m {
		if x := t.Extensions(); len(x) != 0 && fmt.Sprint(x) != "[u-va-posix]" {
			log.Fatalf("Unexpected extension %v in %v", x, t)
		}
		if len(t.Variants()) == 0 && len(t.Extensions()) == 0 {
			core = append(core, t)
		} else {
			special = append(special, t)
		}
	}

	w.WriteComment(`
	NumCompactTags is the number of common tags. The maximum tag is
	NumCompactTags-1.`)
	w.WriteConst("NumCompactTags", len(core)+len(special))

	sort.Sort(byAlpha(special))
	w.WriteVar("specialTags", special)

	type coreKey struct {
		base   language.Base
		script language.Script
		region language.Region
	}
	w.WriteType(coreKey{})

	// TODO: order by frequency?
	sort.Sort(byAlpha(core))

	// Size computations are just an estimate.
	w.Size += int(reflect.TypeOf(map[coreKey]uint16{}).Size())
	w.Size += len(core) * int(reflect.TypeOf(coreKey{}).Size()+2) // 2 is for uint16

	fmt.Fprintln(w, "var coreTags = map[coreKey]uint16{")
	fmt.Fprintln(w, "coreKey{}: 0, // und")
	i := len(special) + 1 // Und and special tags already written.
	for _, t := range core {
		if t == language.Und {
			continue
		}
		fmt.Fprint(w.Hash, t, i)
		b, s, r := t.Raw()
		key := fmt.Sprintf("%#v", coreKey{b, s, r})
		key = strings.Replace(key[len("main."):], "language.", "", -1)
		fmt.Fprintf(w, "%s: %d, // %s\n", key, i, t)
		i++
//.........这里部分代码省略.........