mirror of
https://github.com/cwinfo/matterbridge.git
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133 lines
3.2 KiB
Go
133 lines
3.2 KiB
Go
package main
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import (
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"encoding/xml"
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"flag"
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"fmt"
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"io/ioutil"
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"os"
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"text/template"
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)
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var usage = `%[1]s generates Go code to support CLDR plural rules.
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Usage: %[1]s [options]
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Options:
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`
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func main() {
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flag.Usage = func() {
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fmt.Fprintf(os.Stderr, usage, os.Args[0])
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flag.PrintDefaults()
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}
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var in, cout, tout string
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flag.StringVar(&in, "i", "plurals.xml", "the input XML file containing CLDR plural rules")
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flag.StringVar(&cout, "cout", "", "the code output file")
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flag.StringVar(&tout, "tout", "", "the test output file")
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flag.BoolVar(&verbose, "v", false, "verbose output")
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flag.Parse()
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buf, err := ioutil.ReadFile(in)
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if err != nil {
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fatalf("failed to read file: %s", err)
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}
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var data SupplementalData
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if err := xml.Unmarshal(buf, &data); err != nil {
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fatalf("failed to unmarshal xml: %s", err)
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}
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count := 0
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for _, pg := range data.PluralGroups {
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count += len(pg.SplitLocales())
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}
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infof("parsed %d locales", count)
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if cout != "" {
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file := openWritableFile(cout)
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if err := codeTemplate.Execute(file, data); err != nil {
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fatalf("unable to execute code template because %s", err)
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} else {
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infof("generated %s", cout)
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}
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} else {
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infof("not generating code file (use -cout)")
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}
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if tout != "" {
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file := openWritableFile(tout)
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if err := testTemplate.Execute(file, data); err != nil {
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fatalf("unable to execute test template because %s", err)
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} else {
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infof("generated %s", tout)
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}
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} else {
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infof("not generating test file (use -tout)")
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}
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}
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func openWritableFile(name string) *os.File {
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file, err := os.OpenFile(name, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
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if err != nil {
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fatalf("failed to write file %s because %s", name, err)
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}
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return file
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}
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var codeTemplate = template.Must(template.New("spec").Parse(`package language
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// This file is generated by i18n/language/codegen/generate.sh
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func init() {
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{{range .PluralGroups}}
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registerPluralSpec({{printf "%#v" .SplitLocales}}, &PluralSpec{
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Plurals: newPluralSet({{range $i, $e := .PluralRules}}{{if $i}}, {{end}}{{$e.CountTitle}}{{end}}),
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PluralFunc: func(ops *operands) Plural { {{range .PluralRules}}{{if .GoCondition}}
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// {{.Condition}}
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if {{.GoCondition}} {
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return {{.CountTitle}}
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}{{end}}{{end}}
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return Other
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},
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}){{end}}
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}
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`))
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var testTemplate = template.Must(template.New("spec").Parse(`package language
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// This file is generated by i18n/language/codegen/generate.sh
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import "testing"
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{{range .PluralGroups}}
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func Test{{.Name}}(t *testing.T) {
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var tests []pluralTest
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{{range .PluralRules}}
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{{if .IntegerExamples}}tests = appendIntegerTests(tests, {{.CountTitle}}, {{printf "%#v" .IntegerExamples}}){{end}}
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{{if .DecimalExamples}}tests = appendDecimalTests(tests, {{.CountTitle}}, {{printf "%#v" .DecimalExamples}}){{end}}
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{{end}}
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locales := {{printf "%#v" .SplitLocales}}
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for _, locale := range locales {
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runTests(t, locale, tests)
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}
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}
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{{end}}
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`))
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func infof(format string, args ...interface{}) {
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fmt.Fprintf(os.Stderr, format+"\n", args...)
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}
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var verbose bool
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func verbosef(format string, args ...interface{}) {
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if verbose {
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infof(format, args...)
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}
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}
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func fatalf(format string, args ...interface{}) {
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infof("fatal: "+format+"\n", args...)
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os.Exit(1)
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}
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