mojo/common/common_type_converters.h

   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 #ifndef MOJO_COMMON_COMMON_TYPE_CONVERTERS_H_
   6 #define MOJO_COMMON_COMMON_TYPE_CONVERTERS_H_
   7
   8 #include "base/strings/string16.h"
   9 #include "base/strings/string_piece.h"
  10 #include "mojo/common/mojo_common_export.h"
  11 #include "third_party/mojo/src/mojo/public/cpp/bindings/array.h"
  12 #include "third_party/mojo/src/mojo/public/cpp/bindings/string.h"
  13 #include "third_party/mojo/src/mojo/public/cpp/bindings/type_converter.h"
  14
  15 namespace mojo {
  16
  17 template <>
  18 struct MOJO_COMMON_EXPORT TypeConverter<String, base::StringPiece> {
  19   static String Convert(const base::StringPiece& input);
  20 };
  21
  22 template <>
  23 struct MOJO_COMMON_EXPORT TypeConverter<base::StringPiece, String> {
  24   static base::StringPiece Convert(const String& input);
  25 };
  26
  27 template <>
  28 struct MOJO_COMMON_EXPORT TypeConverter<String, base::string16> {
  29   static String Convert(const base::string16& input);
  30 };
  31
  32 template <>
  33 struct MOJO_COMMON_EXPORT TypeConverter<base::string16, String> {
  34   static base::string16 Convert(const String& input);
  35 };
  36
  37 // TODO(erg): In the very long term, we will want to remove conversion between
  38 // std::strings and arrays of unsigned bytes. However, there is too much code
  39 // across chrome which uses std::string as a bag of bytes that we probably
  40 // don't want to roll this function at each callsite.
  41 template <>
  42 struct MOJO_COMMON_EXPORT TypeConverter<std::string, Array<uint8_t> > {
  43   static std::string Convert(const Array<uint8_t>& input);
  44 };
  45
  46 template <>
  47 struct MOJO_COMMON_EXPORT TypeConverter<Array<uint8_t>, std::string> {
  48   static Array<uint8_t> Convert(const std::string& input);
  49 };
  50
  51 }  // namespace mojo
  52
  53 #endif  // MOJO_COMMON_COMMON_TYPE_CONVERTERS_H_