ppapi/thunk/ppb_char_set_thunk.cc

   1 // Copyright (c) 2012 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 "ppapi/c/pp_var.h"
   6 #include "ppapi/shared_impl/private/ppb_char_set_shared.h"
   7 #include "ppapi/thunk/thunk.h"
   8 #include "ppapi/thunk/enter.h"
   9
  10 namespace ppapi {
  11 namespace thunk {
  12
  13 namespace {
  14
  15 char* UTF16ToCharSetDeprecated(PP_Instance instance,
  16                                const uint16_t* utf16, uint32_t utf16_len,
  17                                const char* output_char_set,
  18                                PP_CharSet_ConversionError on_error,
  19                                uint32_t* output_length) {
  20   // We validate the instance just to make sure we can make changes in the
  21   // future and assume people pass proper instances.
  22   EnterInstance enter(instance);
  23   if (enter.failed())
  24     return NULL;
  25
  26   return PPB_CharSet_Shared::UTF16ToCharSetDeprecated(
  27       utf16, utf16_len, output_char_set, on_error, output_length);
  28 }
  29
  30 PP_Bool UTF16ToCharSet(const uint16_t utf16[],
  31                        uint32_t utf16_len,
  32                        const char* output_char_set,
  33                        PP_CharSet_Trusted_ConversionError on_error,
  34                        char* output_buffer,
  35                        uint32_t* output_length) {
  36   // This interface is a bit odd because it contains a function
  37   // (GetDefaultCharSet) that must be called on the instance object and
  38   // proxied, but the rest of the functions are implemented in the plugin
  39   // process by just calling base functions.
  40   //
  41   // We could have PPB_Instance_API functions for the two charset conversion
  42   // functions, and then have the instance impl and proxy call through to the
  43   // shared_impl. That would be more consistent, and we may want to do that if
  44   // this file is autogenerated in the future. For now, however, it's less code
  45   // to just call the shared_impl code directly here.
  46   return PPB_CharSet_Shared::UTF16ToCharSet(
  47       utf16, utf16_len, output_char_set, on_error,
  48       output_buffer, output_length);
  49 }
  50
  51 uint16_t* CharSetToUTF16Deprecated(PP_Instance instance,
  52                                    const char* input, uint32_t input_len,
  53                                    const char* input_char_set,
  54                                    PP_CharSet_ConversionError on_error,
  55                                    uint32_t* output_length) {
  56   // We validate the instance just to make sure we can make changes in the
  57   // future and assume people pass proper instances.
  58   EnterInstance enter(instance);
  59   if (enter.failed())
  60     return NULL;
  61
  62   return PPB_CharSet_Shared::CharSetToUTF16Deprecated(
  63       input, input_len, input_char_set, on_error, output_length);
  64 }
  65
  66 PP_Bool CharSetToUTF16(const char* input,
  67                        uint32_t input_len,
  68                        const char* input_char_set,
  69                        PP_CharSet_Trusted_ConversionError on_error,
  70                        uint16_t* output_buffer,
  71                        uint32_t* output_utf16_length) {
  72   return PPB_CharSet_Shared::CharSetToUTF16(
  73       input, input_len, input_char_set, on_error,
  74       output_buffer, output_utf16_length);
  75 }
  76
  77 PP_Var GetDefaultCharSet(PP_Instance instance) {
  78   EnterInstance enter(instance);
  79   if (enter.failed())
  80     return PP_MakeUndefined();
  81   return enter.functions()->GetDefaultCharSet(instance);
  82 }
  83
  84 const PPB_CharSet_Dev g_ppb_char_set_thunk = {
  85   &UTF16ToCharSetDeprecated,
  86   &CharSetToUTF16Deprecated,
  87   &GetDefaultCharSet
  88 };
  89
  90 const PPB_CharSet_Trusted_1_0 g_ppb_char_set_trusted_thunk = {
  91   &UTF16ToCharSet,
  92   &CharSetToUTF16,
  93   &GetDefaultCharSet
  94 };
  95
  96 }  // namespace
  97
  98 const PPB_CharSet_Dev_0_4* GetPPB_CharSet_Dev_0_4_Thunk() {
  99   return &g_ppb_char_set_thunk;
 100 }
 101
 102 const PPB_CharSet_Trusted_1_0* GetPPB_CharSet_Trusted_1_0_Thunk() {
 103   return &g_ppb_char_set_trusted_thunk;
 104 }
 105
 106 }  // namespace thunk
 107 }  // namespace ppapi