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      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_
     66