// parseCollation parses XML files in the collation directory of the CLDR core.zip file.
func parseCollation(b *build.Builder) {
d := &cldr.Decoder{}
d.SetDirFilter("collation")
data := decodeCLDR(d)
for _, loc := range data.Locales() {
x, err := data.LDML(loc)
failOnError(err)
if skipLang(x.Identity.Language.Type) {
continue
}
cs := x.Collations.Collation
sl := cldr.MakeSlice(&cs)
if !types.all {
sl.SelectAnyOf("type", append(types.s, x.Collations.Default())...)
}
sl.SelectOnePerGroup("alt", altInclude())
for _, c := range cs {
m := make(map[locale.Part]string)
m[locale.TagPart] = loc
if c.Type != x.Collations.Default() {
m[locale.Extension('u')] = "co-" + c.Type
}
id, err := locale.Compose(m)
failOnError(err)
t := b.Tailoring(id)
c.Process(processor{t})
}
}
}
func ExampleSlice() {
var dr *cldr.CLDR // assume this is initalized
x, _ := dr.LDML("en")
cs := x.Collations.Collation
// remove all but the default
cldr.MakeSlice(&cs).Filter(func(e cldr.Elem) bool {
return e.GetCommon().Type != x.Collations.Default()
})
for i, c := range cs {
fmt.Println(i, c.Type)
}
}
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
}
}
}
}
}
// writeMatchData writes tables with languages and scripts for which there is
// mutual intelligibility. The data is based on CLDR's languageMatching data.
// Note that we use a different algorithm than the one defined by CLDR and that
// we slightly modify the data. For example, we convert scores to confidence levels.
// We also drop all region-related data as we use a different algorithm to
// determine region equivalence.
func (b *builder) writeMatchData() {
b.writeType(mutualIntelligibility{})
b.writeType(scriptIntelligibility{})
lm := b.supp.LanguageMatching.LanguageMatches
cldr.MakeSlice(&lm).SelectAnyOf("type", "written")
matchLang := []mutualIntelligibility{}
matchScript := []scriptIntelligibility{}
// Convert the languageMatch entries in lists keyed by desired language.
for _, m := range lm[0].LanguageMatch {
// Different versions of CLDR use different separators.
desired := strings.Replace(m.Desired, "-", "_", -1)
supported := strings.Replace(m.Supported, "-", "_", -1)
d := strings.Split(desired, "_")
s := strings.Split(supported, "_")
if len(d) != len(s) || len(d) > 2 {
// Skip all entries with regions and work around CLDR bug.
continue
}
pct, _ := strconv.ParseInt(m.Percent, 10, 8)
if len(d) == 2 && d[0] == s[0] && len(d[1]) == 4 {
// language-script pair.
lang := uint16(0)
if d[0] != "*" {
lang = uint16(b.langIndex(d[0]))
}
matchScript = append(matchScript, scriptIntelligibility{
lang: lang,
want: uint8(b.script.index(d[1])),
have: uint8(b.script.index(s[1])),
conf: toConf(uint8(pct)),
})
if m.Oneway != "true" {
matchScript = append(matchScript, scriptIntelligibility{
lang: lang,
want: uint8(b.script.index(s[1])),
have: uint8(b.script.index(d[1])),
conf: toConf(uint8(pct)),
})
}
} else if len(d) == 1 && d[0] != "*" {
if pct == 100 {
// nb == no is already handled by macro mapping. Check there
// really is only this case.
if d[0] != "no" || s[0] != "nb" {
log.Fatalf("unhandled equivalence %s == %s", s[0], d[0])
}
continue
}
matchLang = append(matchLang, mutualIntelligibility{
want: uint16(b.langIndex(d[0])),
have: uint16(b.langIndex(s[0])),
conf: uint8(pct),
oneway: m.Oneway == "true",
})
} else {
// TODO: Handle the es_MX -> es_419 mapping. This does not seem to
// make much sense for our purposes, though.
a := []string{"*;*", "*_*;*_*", "es_MX;es_419"}
s := strings.Join([]string{desired, supported}, ";")
if i := sort.SearchStrings(a, s); i == len(a) || a[i] != s {
log.Fatalf("%q not handled", s)
}
}
}
sort.Sort(sortByConf(matchLang))
// collapse percentage into confidence classes
for i, m := range matchLang {
matchLang[i].conf = toConf(m.conf)
}
b.writeSlice("matchLang", matchLang)
b.writeSlice("matchScript", matchScript)
}
