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 (b *builder) filter() {
filter := func(s *cldr.Slice) {
if *short {
s.SelectOnePerGroup("alt", []string{"short", ""})
} else {
s.SelectOnePerGroup("alt", []string{"stand-alone", ""})
}
d, err := cldr.ParseDraft(*draft)
if err != nil {
log.Fatalf("filter: %v", err)
}
s.SelectDraft(d)
}
for _, loc := range b.data.Locales() {
if ldn := b.data.RawLDML(loc).LocaleDisplayNames; ldn != nil {
if ldn.Languages != nil {
s := cldr.MakeSlice(&ldn.Languages.Language)
if filter(&s); len(ldn.Languages.Language) == 0 {
ldn.Languages = nil
}
}
if ldn.Scripts != nil {
s := cldr.MakeSlice(&ldn.Scripts.Script)
if filter(&s); len(ldn.Scripts.Script) == 0 {
ldn.Scripts = nil
}
}
if ldn.Territories != nil {
s := cldr.MakeSlice(&ldn.Territories.Territory)
if filter(&s); len(ldn.Territories.Territory) == 0 {
ldn.Territories = nil
}
}
}
}
}
// 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))
if cur == -1 {
fmt.Println("Unsupported:", c.Type) // TODO: mark MVP as supported.
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 {
continue
}
if _, ok := symbolLookup[*sym]; !ok {
symbolLookup[*sym] = uint16(len(symbolData))
symbolData = append(symbolData, byte(len(*sym)))
symbolData = append(symbolData, *sym...)
}
}
}
}
w.WriteComment(`
symbols holds symbol data of the form <n> <str>, where n is the length of
the symbol string str.`)
w.WriteConst("symbols", string(symbolData))
// Create index from language to currency lookup to symbol.
type curToIndex struct{ cur, idx uint16 }
w.WriteType(curToIndex{})
prefix := []string{"normal", "narrow"}
// Create data for regular and narrow symbol data.
for typ := normal; typ <= narrow; typ++ {
indexes := []curToIndex{} // maps currency to symbol index
languages := []uint16{}
for _, data := range symbols {
languages = append(languages, uint16(len(indexes)))
for curIndex, curs := range data {
if sym := curs[typ]; sym != nil {
indexes = append(indexes, curToIndex{uint16(curIndex), symbolLookup[*sym]})
}
}
}
languages = append(languages, uint16(len(indexes)))
w.WriteVar(prefix[typ]+"LangIndex", languages)
w.WriteVar(prefix[typ]+"SymIndex", indexes)
}
}
