Vendor libs

vendor/github.com/nicksnyder/go-i18n/i18n/language/codegen/main.go

@@ -0,0 +1,132 @@
+package main
+
+import (
+	"encoding/xml"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"text/template"
+)
+
+var usage = `%[1]s generates Go code to support CLDR plural rules.
+
+Usage: %[1]s [options]
+
+Options:
+
+`
+
+func main() {
+	flag.Usage = func() {
+		fmt.Fprintf(os.Stderr, usage, os.Args[0])
+		flag.PrintDefaults()
+	}
+	var in, cout, tout string
+	flag.StringVar(&in, "i", "plurals.xml", "the input XML file containing CLDR plural rules")
+	flag.StringVar(&cout, "cout", "", "the code output file")
+	flag.StringVar(&tout, "tout", "", "the test output file")
+	flag.BoolVar(&verbose, "v", false, "verbose output")
+	flag.Parse()
+
+	buf, err := ioutil.ReadFile(in)
+	if err != nil {
+		fatalf("failed to read file: %s", err)
+	}
+
+	var data SupplementalData
+	if err := xml.Unmarshal(buf, &data); err != nil {
+		fatalf("failed to unmarshal xml: %s", err)
+	}
+
+	count := 0
+	for _, pg := range data.PluralGroups {
+		count += len(pg.SplitLocales())
+	}
+	infof("parsed %d locales", count)
+
+	if cout != "" {
+		file := openWritableFile(cout)
+		if err := codeTemplate.Execute(file, data); err != nil {
+			fatalf("unable to execute code template because %s", err)
+		} else {
+			infof("generated %s", cout)
+		}
+	} else {
+		infof("not generating code file (use -cout)")
+	}
+
+	if tout != "" {
+		file := openWritableFile(tout)
+		if err := testTemplate.Execute(file, data); err != nil {
+			fatalf("unable to execute test template because %s", err)
+		} else {
+			infof("generated %s", tout)
+		}
+	} else {
+		infof("not generating test file (use -tout)")
+	}
+}
+
+func openWritableFile(name string) *os.File {
+	file, err := os.OpenFile(name, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
+	if err != nil {
+		fatalf("failed to write file %s because %s", name, err)
+	}
+	return file
+}
+
+var codeTemplate = template.Must(template.New("spec").Parse(`package language
+// This file is generated by i18n/language/codegen/generate.sh
+
+func init() {
+{{range .PluralGroups}}
+	registerPluralSpec({{printf "%#v" .SplitLocales}}, &PluralSpec{
+		Plurals: newPluralSet({{range $i, $e := .PluralRules}}{{if $i}}, {{end}}{{$e.CountTitle}}{{end}}),
+		PluralFunc: func(ops *operands) Plural { {{range .PluralRules}}{{if .GoCondition}}
+			// {{.Condition}}
+			if {{.GoCondition}} {
+				return {{.CountTitle}}
+			}{{end}}{{end}}
+			return Other
+		},
+	}){{end}}
+}
+`))
+
+var testTemplate = template.Must(template.New("spec").Parse(`package language
+// This file is generated by i18n/language/codegen/generate.sh
+
+import "testing"
+
+{{range .PluralGroups}}
+func Test{{.Name}}(t *testing.T) {
+	var tests []pluralTest
+	{{range .PluralRules}}
+	{{if .IntegerExamples}}tests = appendIntegerTests(tests, {{.CountTitle}}, {{printf "%#v" .IntegerExamples}}){{end}}
+	{{if .DecimalExamples}}tests = appendDecimalTests(tests, {{.CountTitle}}, {{printf "%#v" .DecimalExamples}}){{end}}
+	{{end}}
+	locales := {{printf "%#v" .SplitLocales}}
+	for _, locale := range locales {
+	  runTests(t, locale, tests)
+  }
+}
+{{end}}
+`))
+
+func infof(format string, args ...interface{}) {
+	fmt.Fprintf(os.Stderr, format+"\n", args...)
+}
+
+var verbose bool
+
+func verbosef(format string, args ...interface{}) {
+	if verbose {
+		infof(format, args...)
+	}
+}
+
+func fatalf(format string, args ...interface{}) {
+	infof("fatal: "+format+"\n", args...)
+	os.Exit(1)
+}