mojo/common/common_type_converters.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "mojo/common/common_type_converters.h"
   6
   7 #include <string>
   8
   9 #include "base/strings/utf_string_conversions.h"
  10
  11 namespace mojo {
  12
  13 // static
  14 String TypeConverter<String, base::StringPiece>::Convert(
  15     const base::StringPiece& input) {
  16   if (input.empty()) {
  17     char c = 0;
  18     return String(&c, 0);
  19   }
  20   return String(input.data(), input.size());
  21 }
  22 // static
  23 base::StringPiece TypeConverter<base::StringPiece, String>::Convert(
  24     const String& input) {
  25   return input.get();
  26 }
  27
  28 // static
  29 String TypeConverter<String, base::string16>::Convert(
  30     const base::string16& input) {
  31   return TypeConverter<String, base::StringPiece>::Convert(
  32       base::UTF16ToUTF8(input));
  33 }
  34 // static
  35 base::string16 TypeConverter<base::string16, String>::Convert(
  36     const String& input) {
  37   return base::UTF8ToUTF16(input.To<base::StringPiece>());
  38 }
  39
  40 std::string TypeConverter<std::string, Array<uint8_t> >::Convert(
  41     const Array<uint8_t>& input) {
  42   if (input.is_null() || input.size() == 0u)
  43     return std::string();
  44
  45   return std::string(reinterpret_cast<const char*>(&input.front()),
  46                      input.size());
  47 }
  48
  49 Array<uint8_t> TypeConverter<Array<uint8_t>, std::string>::Convert(
  50     const std::string& input) {
  51   Array<uint8_t> result(input.size());
  52   if (input.size() > 0)
  53     memcpy(&result.front(), input.c_str(), input.size());
  54   return result.Pass();
  55 }
  56
  57 }  // namespace mojo