Golang CLDR.Locales方法代码示例

func genSymbols(w *gen.CodeWriter, data *cldr.CLDR) {
	d, err := cldr.ParseDraft(*draft)
	if err != nil {
		log.Fatalf("invalid draft level: %v", err)
	}

	nNumberSystems := system(len(systemMap))

	type symbols [NumSymbolTypes]string

	type key struct {
		tag    int // from language.CompactIndex
		system system
	}
	symbolMap := map[key]*symbols{}

	defaults := map[int]system{}

	for _, lang := range data.Locales() {
		ldml := data.RawLDML(lang)
		if ldml.Numbers == nil {
			continue
		}
		langIndex, ok := language.CompactIndex(language.MustParse(lang))
		if !ok {
			log.Fatalf("No compact index for language %s", lang)
		}
		if d := ldml.Numbers.DefaultNumberingSystem; len(d) > 0 {
			defaults[langIndex] = getNumberSystem(d[0].Data())
		}

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

		for _, sym := range ldml.Numbers.Symbols {
			if sym.NumberSystem == "" {
				// This is just linking the default of root to "latn".
				continue
			}
			symbolMap[key{langIndex, getNumberSystem(sym.NumberSystem)}] = &symbols{
				SymDecimal:                getFirst("decimal", sym.Decimal),
				SymGroup:                  getFirst("group", sym.Group),
				SymList:                   getFirst("list", sym.List),
				SymPercentSign:            getFirst("percentSign", sym.PercentSign),
				SymPlusSign:               getFirst("plusSign", sym.PlusSign),
				SymMinusSign:              getFirst("minusSign", sym.MinusSign),
				SymExponential:            getFirst("exponential", sym.Exponential),
				SymSuperscriptingExponent: getFirst("superscriptingExponent", sym.SuperscriptingExponent),
				SymPerMille:               getFirst("perMille", sym.PerMille),
				SymInfinity:               getFirst("infinity", sym.Infinity),
				SymNan:                    getFirst("nan", sym.Nan),
				SymTimeSeparator:          getFirst("timeSeparator", sym.TimeSeparator),
			}
		}
	}

	// Expand all values.
	for k, syms := range symbolMap {
		for t := SymDecimal; t < NumSymbolTypes; t++ {
			p := k.tag
			for syms[t] == "" {
				p = int(internal.Parent[p])
				if pSyms, ok := symbolMap[key{p, k.system}]; ok && (*pSyms)[t] != "" {
					syms[t] = (*pSyms)[t]
					break
				}
				if p == 0 /* und */ {
					// Default to root, latn.
					syms[t] = (*symbolMap[key{}])[t]
				}
			}
		}
	}

	// Unique the symbol sets and write the string data.
	m := map[symbols]int{}
	sb := stringset.NewBuilder()

	symIndex := [][NumSymbolTypes]byte{}

	for ns := system(0); ns < nNumberSystems; ns++ {
		for _, l := range data.Locales() {
			langIndex, _ := language.CompactIndex(language.MustParse(l))
			s := symbolMap[key{langIndex, ns}]
			if s == nil {
				continue
			}
			if _, ok := m[*s]; !ok {
				m[*s] = len(symIndex)
				sb.Add(s[:]...)
				var x [NumSymbolTypes]byte
				for i := SymDecimal; i < NumSymbolTypes; i++ {
					x[i] = byte(sb.Index((*s)[i]))
				}
				symIndex = append(symIndex, x)
			}
		}
	}
	w.WriteVar("symIndex", symIndex)
	w.WriteVar("symData", sb.Set())
//.........这里部分代码省略.........

// genSymbols generates the symbols used for currencies. Most symbols are
// defined in root and there is only very small variation per language.
// The following rules apply:
// - A symbol can be requested as normal or narrow.
// - If a symbol is not defined for a currency, it defaults to its ISO code.
func (b *builder) genSymbols(w *gen.CodeWriter, data *cldr.CLDR) {
	d, err := cldr.ParseDraft(*draft)
	if err != nil {
		log.Fatalf("filter: %v", err)
	}

	const (
		normal = iota
		narrow
		numTypes
	)
	// language -> currency -> type ->  symbol
	var symbols [language.NumCompactTags][][numTypes]*string

	// Collect symbol information per language.
	for _, lang := range data.Locales() {
		ldml := data.RawLDML(lang)
		if ldml.Numbers == nil || ldml.Numbers.Currencies == nil {
			continue
		}

		langIndex, ok := language.CompactIndex(language.MustParse(lang))
		if !ok {
			log.Fatalf("No compact index for language %s", lang)
		}

		symbols[langIndex] = make([][numTypes]*string, b.numCurrencies+1)

		for _, c := range ldml.Numbers.Currencies.Currency {
			syms := cldr.MakeSlice(&c.Symbol)
			syms.SelectDraft(d)

			for _, sym := range c.Symbol {
				v := sym.Data()
				if v == c.Type {
					// We define "" to mean the ISO symbol.
					v = ""
				}
				cur := b.currencies.Index([]byte(c.Type))
				// XXX gets reassigned to 0 in the package's code.
				if c.Type == "XXX" {
					cur = 0
				}
				if cur == -1 {
					fmt.Println("Unsupported:", c.Type)
					continue
				}

				switch sym.Alt {
				case "":
					symbols[langIndex][cur][normal] = &v
				case "narrow":
					symbols[langIndex][cur][narrow] = &v
				}
			}
		}
	}

	// Remove values identical to the parent.
	for langIndex, data := range symbols {
		for curIndex, curs := range data {
			for typ, sym := range curs {
				if sym == nil {
					continue
				}
				for p := uint16(langIndex); p != 0; {
					p = internal.Parent[p]
					x := symbols[p]
					if x == nil {
						continue
					}
					if v := x[curIndex][typ]; v != nil || p == 0 {
						// Value is equal to the default value root value is undefined.
						parentSym := ""
						if v != nil {
							parentSym = *v
						}
						if parentSym == *sym {
							// Value is the same as parent.
							data[curIndex][typ] = nil
						}
						break
					}
				}
			}
		}
	}

	// Create symbol index.
	symbolData := []byte{0}
	symbolLookup := map[string]uint16{"": 0} // 0 means default, so block that value.
	for _, data := range symbols {
		for _, curs := range data {
			for _, sym := range curs {
				if sym == nil {
//.........这里部分代码省略.........

// genFormats generates the lookup table for decimal, scientific and percent
// patterns.
//
// CLDR allows for patterns to be different per language for different numbering
// systems. In practice the patterns are set to be consistent for a language
// independent of the numbering system. genFormats verifies that no language
// deviates from this.
func genFormats(w *gen.CodeWriter, data *cldr.CLDR) {
	d, err := cldr.ParseDraft(*draft)
	if err != nil {
		log.Fatalf("invalid draft level: %v", err)
	}

	// Fill the first slot with a dummy so we can identify unspecified tags.
	formats := []number.Format{{}}
	patterns := map[string]int{}

	// TODO: It would be possible to eliminate two of these slices by having
	// another indirection and store a reference to the combination of patterns.
	decimal := make([]byte, language.NumCompactTags)
	scientific := make([]byte, language.NumCompactTags)
	percent := make([]byte, language.NumCompactTags)

	for _, lang := range data.Locales() {
		ldml := data.RawLDML(lang)
		if ldml.Numbers == nil {
			continue
		}
		langIndex, ok := language.CompactIndex(language.MustParse(lang))
		if !ok {
			log.Fatalf("No compact index for language %s", lang)
		}
		type patternSlice []*struct {
			cldr.Common
			Numbers string `xml:"numbers,attr"`
			Count   string `xml:"count,attr"`
		}

		add := func(name string, tags []byte, ps patternSlice) {
			sl := cldr.MakeSlice(&ps)
			sl.SelectDraft(d)
			if len(ps) == 0 {
				return
			}
			if len(ps) > 2 || len(ps) == 2 && ps[0] != ps[1] {
				log.Fatalf("Inconsistent %d patterns for language %s", name, lang)
			}
			s := ps[0].Data()

			index, ok := patterns[s]
			if !ok {
				nf, err := number.ParsePattern(s)
				if err != nil {
					log.Fatal(err)
				}
				index = len(formats)
				patterns[s] = index
				formats = append(formats, *nf)
			}
			tags[langIndex] = byte(index)
		}

		for _, df := range ldml.Numbers.DecimalFormats {
			for _, l := range df.DecimalFormatLength {
				if l.Type != "" {
					continue
				}
				for _, f := range l.DecimalFormat {
					add("decimal", decimal, f.Pattern)
				}
			}
		}
		for _, df := range ldml.Numbers.ScientificFormats {
			for _, l := range df.ScientificFormatLength {
				if l.Type != "" {
					continue
				}
				for _, f := range l.ScientificFormat {
					add("scientific", scientific, f.Pattern)
				}
			}
		}
		for _, df := range ldml.Numbers.PercentFormats {
			for _, l := range df.PercentFormatLength {
				if l.Type != "" {
					continue
				}
				for _, f := range l.PercentFormat {
					add("percent", percent, f.Pattern)
				}
			}
		}
	}

	// Complete the parent tag array to reflect inheritance. An index of 0
	// indicates an unspecified value.
	for _, data := range [][]byte{decimal, scientific, percent} {
		for i := range data {
			p := uint16(i)
			for ; data[p] == 0; p = internal.Parent[p] {
//.........这里部分代码省略.........