// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "mojo/common/common_type_converters.h"

#include <string>

#include "base/strings/utf_string_conversions.h"

namespace mojo {

// static
String TypeConverter<String, base::StringPiece>::ConvertFrom(
    const base::StringPiece& input,
    Buffer* buf) {
  if (input.empty())
    return String();
  String::Builder result(input.size(), buf);
  memcpy(&result[0], input.data(), input.size());
  return result.Finish();
}
// static
base::StringPiece TypeConverter<String, base::StringPiece>::ConvertTo(
    const String& input) {
  return input.is_null() ? base::StringPiece() :
                           base::StringPiece(&input[0], input.size());
}

// static
String TypeConverter<String, base::string16>::ConvertFrom(
    const base::string16& input,
    Buffer* buf) {
  return TypeConverter<String, base::StringPiece>::ConvertFrom(
      base::UTF16ToUTF8(input), buf);
}
// static
base::string16 TypeConverter<String, base::string16>::ConvertTo(
    const String& input) {
  return input.is_null() ? base::string16() :
      base::UTF8ToUTF16(base::StringPiece(&input[0], input.size()));
}

}  // namespace mojo