From 6312ad4bf7e48347539eb5b4c5075e447d8142f3 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Fri, 26 Jan 2018 12:18:59 +0100 Subject: Add verndor --- vendor/golang.org/x/text/language/gen_index.go | 162 +++++++++++++++++++++++++ 1 file changed, 162 insertions(+) create mode 100644 vendor/golang.org/x/text/language/gen_index.go (limited to 'vendor/golang.org/x/text/language/gen_index.go') diff --git a/vendor/golang.org/x/text/language/gen_index.go b/vendor/golang.org/x/text/language/gen_index.go new file mode 100644 index 0000000..5ca9bcc --- /dev/null +++ b/vendor/golang.org/x/text/language/gen_index.go @@ -0,0 +1,162 @@ +// Copyright 2015 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 + +package main + +// This file generates derivative tables based on the language package itself. + +import ( + "bytes" + "flag" + "fmt" + "io/ioutil" + "log" + "reflect" + "sort" + "strings" + + "golang.org/x/text/internal/gen" + "golang.org/x/text/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.") + + draft = flag.String("draft", + "contributed", + `Minimal draft requirements (approved, contributed, provisional, unconfirmed).`) +) + +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 { + if t == language.Und { + continue + } + fmt.Fprint(w.Hash, t, i) + b, s, r := t.Raw() + fmt.Fprintf(w, "0x%s%s%s: %d, // %s\n", + getIndex(b, 3), // 3 is enough as it is guaranteed to be a compact number + getIndex(s, 2), + getIndex(r, 3), + i, t) + i++ + } + fmt.Fprintln(w, "}") +} + +// getIndex prints the subtag type and extracts its index of size nibble. +// If the index is less than n nibbles, the result is prefixed with 0s. +func getIndex(x interface{}, n int) string { + s := fmt.Sprintf("%#v", x) // s is of form Type{typeID: 0x00} + s = s[strings.Index(s, "0x")+2 : len(s)-1] + return strings.Repeat("0", n-len(s)) + s +} + +type byAlpha []language.Tag + +func (a byAlpha) Len() int { return len(a) } +func (a byAlpha) Swap(i, j int) { a[i], a[j] = a[j], a[i] } +func (a byAlpha) Less(i, j int) bool { return a[i].String() < a[j].String() } -- cgit v1.2.3