From d697456dc90adbaf68224ed7c115b38d5855e582 Mon Sep 17 00:00:00 2001 From: Valentin Rothberg Date: Mon, 24 Jun 2019 11:29:13 +0200 Subject: migrate to go-modules Signed-off-by: Valentin Rothberg --- vendor/golang.org/x/text/language/gen.go | 305 ++++++++++++++++++++++++++ vendor/golang.org/x/text/language/language.go | 2 +- 2 files changed, 306 insertions(+), 1 deletion(-) create mode 100644 vendor/golang.org/x/text/language/gen.go (limited to 'vendor/golang.org/x/text/language') diff --git a/vendor/golang.org/x/text/language/gen.go b/vendor/golang.org/x/text/language/gen.go new file mode 100644 index 000000000..3004eb42c --- /dev/null +++ b/vendor/golang.org/x/text/language/gen.go @@ -0,0 +1,305 @@ +// Copyright 2013 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. + +// +build ignore + +// Language tag table generator. +// Data read from the web. + +package main + +import ( + "flag" + "fmt" + "io" + "log" + "sort" + "strconv" + "strings" + + "golang.org/x/text/internal/gen" + "golang.org/x/text/internal/language" + "golang.org/x/text/unicode/cldr" +) + +var ( + test = flag.Bool("test", + false, + "test existing tables; can be used to compare web data with package data.") + outputFile = flag.String("output", + "tables.go", + "output file for generated tables") +) + +func main() { + gen.Init() + + w := gen.NewCodeWriter() + defer w.WriteGoFile("tables.go", "language") + + b := newBuilder(w) + gen.WriteCLDRVersion(w) + + b.writeConstants() + b.writeMatchData() +} + +type builder struct { + w *gen.CodeWriter + hw io.Writer // MultiWriter for w and w.Hash + data *cldr.CLDR + supp *cldr.SupplementalData +} + +func (b *builder) langIndex(s string) uint16 { + return uint16(language.MustParseBase(s)) +} + +func (b *builder) regionIndex(s string) int { + return int(language.MustParseRegion(s)) +} + +func (b *builder) scriptIndex(s string) int { + return int(language.MustParseScript(s)) +} + +func newBuilder(w *gen.CodeWriter) *builder { + r := gen.OpenCLDRCoreZip() + defer r.Close() + d := &cldr.Decoder{} + data, err := d.DecodeZip(r) + if err != nil { + log.Fatal(err) + } + b := builder{ + w: w, + hw: io.MultiWriter(w, w.Hash), + data: data, + supp: data.Supplemental(), + } + return &b +} + +// writeConsts computes f(v) for all v in values and writes the results +// as constants named _v to a single constant block. +func (b *builder) writeConsts(f func(string) int, values ...string) { + fmt.Fprintln(b.w, "const (") + for _, v := range values { + fmt.Fprintf(b.w, "\t_%s = %v\n", v, f(v)) + } + fmt.Fprintln(b.w, ")") +} + +// TODO: region inclusion data will probably not be use used in future matchers. + +var langConsts = []string{ + "de", "en", "fr", "it", "mo", "no", "nb", "pt", "sh", "mul", "und", +} + +var scriptConsts = []string{ + "Latn", "Hani", "Hans", "Hant", "Qaaa", "Qaai", "Qabx", "Zinh", "Zyyy", + "Zzzz", +} + +var regionConsts = []string{ + "001", "419", "BR", "CA", "ES", "GB", "MD", "PT", "UK", "US", + "ZZ", "XA", "XC", "XK", // Unofficial tag for Kosovo. +} + +func (b *builder) writeConstants() { + b.writeConsts(func(s string) int { return int(b.langIndex(s)) }, langConsts...) + b.writeConsts(b.regionIndex, regionConsts...) + b.writeConsts(b.scriptIndex, scriptConsts...) +} + +type mutualIntelligibility struct { + want, have uint16 + distance uint8 + oneway bool +} + +type scriptIntelligibility struct { + wantLang, haveLang uint16 + wantScript, haveScript uint8 + distance uint8 + // Always oneway +} + +type regionIntelligibility struct { + lang uint16 // compact language id + script uint8 // 0 means any + group uint8 // 0 means any; if bit 7 is set it means inverse + distance uint8 + // Always twoway. +} + +// 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() { + lm := b.supp.LanguageMatching.LanguageMatches + cldr.MakeSlice(&lm).SelectAnyOf("type", "written_new") + + regionHierarchy := map[string][]string{} + for _, g := range b.supp.TerritoryContainment.Group { + regions := strings.Split(g.Contains, " ") + regionHierarchy[g.Type] = append(regionHierarchy[g.Type], regions...) + } + regionToGroups := make([]uint8, language.NumRegions) + + idToIndex := map[string]uint8{} + for i, mv := range lm[0].MatchVariable { + if i > 6 { + log.Fatalf("Too many groups: %d", i) + } + idToIndex[mv.Id] = uint8(i + 1) + // TODO: also handle '-' + for _, r := range strings.Split(mv.Value, "+") { + todo := []string{r} + for k := 0; k < len(todo); k++ { + r := todo[k] + regionToGroups[b.regionIndex(r)] |= 1 << uint8(i) + todo = append(todo, regionHierarchy[r]...) + } + } + } + b.w.WriteVar("regionToGroups", regionToGroups) + + // maps language id to in- and out-of-group region. + paradigmLocales := [][3]uint16{} + locales := strings.Split(lm[0].ParadigmLocales[0].Locales, " ") + for i := 0; i < len(locales); i += 2 { + x := [3]uint16{} + for j := 0; j < 2; j++ { + pc := strings.SplitN(locales[i+j], "-", 2) + x[0] = b.langIndex(pc[0]) + if len(pc) == 2 { + x[1+j] = uint16(b.regionIndex(pc[1])) + } + } + paradigmLocales = append(paradigmLocales, x) + } + b.w.WriteVar("paradigmLocales", paradigmLocales) + + b.w.WriteType(mutualIntelligibility{}) + b.w.WriteType(scriptIntelligibility{}) + b.w.WriteType(regionIntelligibility{}) + + matchLang := []mutualIntelligibility{} + matchScript := []scriptIntelligibility{} + matchRegion := []regionIntelligibility{} + // 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) { + log.Fatalf("not supported: desired=%q; supported=%q", desired, supported) + continue + } + distance, _ := strconv.ParseInt(m.Distance, 10, 8) + switch len(d) { + case 2: + if desired == supported && desired == "*_*" { + continue + } + // language-script pair. + matchScript = append(matchScript, scriptIntelligibility{ + wantLang: uint16(b.langIndex(d[0])), + haveLang: uint16(b.langIndex(s[0])), + wantScript: uint8(b.scriptIndex(d[1])), + haveScript: uint8(b.scriptIndex(s[1])), + distance: uint8(distance), + }) + if m.Oneway != "true" { + matchScript = append(matchScript, scriptIntelligibility{ + wantLang: uint16(b.langIndex(s[0])), + haveLang: uint16(b.langIndex(d[0])), + wantScript: uint8(b.scriptIndex(s[1])), + haveScript: uint8(b.scriptIndex(d[1])), + distance: uint8(distance), + }) + } + case 1: + if desired == supported && desired == "*" { + continue + } + if distance == 1 { + // 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 + } + // TODO: consider dropping oneway field and just doubling the entry. + matchLang = append(matchLang, mutualIntelligibility{ + want: uint16(b.langIndex(d[0])), + have: uint16(b.langIndex(s[0])), + distance: uint8(distance), + oneway: m.Oneway == "true", + }) + case 3: + if desired == supported && desired == "*_*_*" { + continue + } + if desired != supported { + // This is now supported by CLDR, but only one case, which + // should already be covered by paradigm locales. For instance, + // test case "und, en, en-GU, en-IN, en-GB ; en-ZA ; en-GB" in + // testdata/CLDRLocaleMatcherTest.txt tests this. + if supported != "en_*_GB" { + log.Fatalf("not supported: desired=%q; supported=%q", desired, supported) + } + continue + } + ri := regionIntelligibility{ + lang: b.langIndex(d[0]), + distance: uint8(distance), + } + if d[1] != "*" { + ri.script = uint8(b.scriptIndex(d[1])) + } + switch { + case d[2] == "*": + ri.group = 0x80 // not contained in anything + case strings.HasPrefix(d[2], "$!"): + ri.group = 0x80 + d[2] = "$" + d[2][len("$!"):] + fallthrough + case strings.HasPrefix(d[2], "$"): + ri.group |= idToIndex[d[2]] + } + matchRegion = append(matchRegion, ri) + default: + log.Fatalf("not supported: desired=%q; supported=%q", desired, supported) + } + } + sort.SliceStable(matchLang, func(i, j int) bool { + return matchLang[i].distance < matchLang[j].distance + }) + b.w.WriteComment(` + matchLang holds pairs of langIDs of base languages that are typically + mutually intelligible. Each pair is associated with a confidence and + whether the intelligibility goes one or both ways.`) + b.w.WriteVar("matchLang", matchLang) + + b.w.WriteComment(` + matchScript holds pairs of scriptIDs where readers of one script + can typically also read the other. Each is associated with a confidence.`) + sort.SliceStable(matchScript, func(i, j int) bool { + return matchScript[i].distance < matchScript[j].distance + }) + b.w.WriteVar("matchScript", matchScript) + + sort.SliceStable(matchRegion, func(i, j int) bool { + return matchRegion[i].distance < matchRegion[j].distance + }) + b.w.WriteVar("matchRegion", matchRegion) +} diff --git a/vendor/golang.org/x/text/language/language.go b/vendor/golang.org/x/text/language/language.go index b939c89f1..abfa17f66 100644 --- a/vendor/golang.org/x/text/language/language.go +++ b/vendor/golang.org/x/text/language/language.go @@ -530,7 +530,7 @@ func (r Region) String() string { // Note that not all regions have a 3-letter ISO code. // In such cases this method returns "ZZZ". func (r Region) ISO3() string { - return r.regionID.String() + return r.regionID.ISO3() } // M49 returns the UN M.49 encoding of r, or 0 if this encoding -- cgit v1.2.3-54-g00ecf