extract method
Implementation
@override
List<Entry> extract(ExtractSettings settings) {
final res = Process.runSync(
"xgettext",
[
"--output=-",
"--from-code=${_escape(settings.encoding.name)}",
if (settings.tag != null) "-c${_escape(settings.tag!)}",
"--width=${settings.textWidth}",
file.path
],
stdoutEncoding: settings.encoding,
);
if (res.exitCode != 0) {
throw FileSystemException(_formatError(res.stderr), file.path);
}
final catalog = Catalog.fromString(settings, res.stdout as String);
return catalog.entries;
}