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 "mojo/public/cpp/bindings/array.h"
  12 #include "mojo/public/cpp/bindings/string.h"
  13 #include "mojo/public/cpp/bindings/type_converter.h"
  14
  15 class GURL;
  16
  17 namespace mojo {
  18
  19 template <>
  20 struct MOJO_COMMON_EXPORT TypeConverter<String, base::StringPiece> {
  21   static String Convert(const base::StringPiece& input);
  22 };
  23
  24 template <>
  25 struct MOJO_COMMON_EXPORT TypeConverter<base::StringPiece, String> {
  26   static base::StringPiece Convert(const String& input);
  27 };
  28
  29 template <>
  30 struct MOJO_COMMON_EXPORT TypeConverter<String, base::string16> {
  31   static String Convert(const base::string16& input);
  32 };
  33
  34 template <>
  35 struct MOJO_COMMON_EXPORT TypeConverter<base::string16, String> {
  36   static base::string16 Convert(const String& input);
  37 };
  38
  39 template <>
  40 struct MOJO_COMMON_EXPORT TypeConverter<String, GURL> {
  41   static String Convert(const GURL& input);
  42 };
  43
  44 template <>
  45 struct MOJO_COMMON_EXPORT TypeConverter<GURL, String> {
  46   static GURL Convert(const String& input);
  47 };
  48
  49 // TODO(erg): In the very long term, we will want to remove conversion between
  50 // std::strings and arrays of unsigned bytes. However, there is too much code
  51 // across chrome which uses std::string as a bag of bytes that we probably
  52 // don't want to roll this function at each callsite.
  53 template <>
  54 struct MOJO_COMMON_EXPORT TypeConverter<std::string, Array<uint8_t> > {
  55   static std::string Convert(const Array<uint8_t>& input);
  56 };
  57
  58 template <>
  59 struct MOJO_COMMON_EXPORT TypeConverter<Array<uint8_t>, std::string> {
  60   static Array<uint8_t> Convert(const std::string& input);
  61 };
  62
  63 }  // namespace mojo
  64
  65 #endif  // MOJO_COMMON_COMMON_TYPE_CONVERTERS_H_