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// Copyright 2016 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.
package main
import (
"encoding/json"
"io/ioutil"
"os"
"path/filepath"
"golang.org/x/text/internal"
"golang.org/x/text/message/pipeline"
)
// TODO:
// - merge information into existing files
// - handle different file formats (PO, XLIFF)
// - handle features (gender, plural)
// - message rewriting
var (
lang *string
)
func init() {
lang = cmdExtract.Flag.String("lang", "en-US", "comma-separated list of languages to process")
}
var cmdExtract = &Command{
Run: runExtract,
UsageLine: "extract <package>*",
Short: "extracts strings to be translated from code",
}
func runExtract(cmd *Command, config *pipeline.Config, args []string) error {
config.Packages = args
state, err := pipeline.Extract(config)
if err != nil {
return wrap(err, "extract failed")
}
out := state.Extracted
langs := append(getLangs(), config.SourceLanguage)
langs = internal.UniqueTags(langs)
for _, tag := range langs {
// TODO: inject translations from existing files to avoid retranslation.
out.Language = tag
data, err := json.MarshalIndent(out, "", " ")
if err != nil {
return wrap(err, "JSON marshal failed")
}
file := filepath.Join(*dir, tag.String(), outFile)
if err := os.MkdirAll(filepath.Dir(file), 0750); err != nil {
return wrap(err, "dir create failed")
}
if err := ioutil.WriteFile(file, data, 0740); err != nil {
return wrap(err, "write failed")
}
}
return nil
}
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