content/child/npapi/npruntime_util.cc

   1 // Copyright (c) 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 "content/child/npapi/npruntime_util.h"
   6
   7 #include "base/pickle.h"
   8 #include "third_party/WebKit/public/web/WebBindings.h"
   9
  10 using blink::WebBindings;
  11
  12 namespace content {
  13
  14 bool SerializeNPIdentifier(NPIdentifier identifier, base::Pickle* pickle) {
  15   const NPUTF8* string;
  16   int32_t number;
  17   bool is_string;
  18   WebBindings::extractIdentifierData(identifier, string, number, is_string);
  19
  20   if (!pickle->WriteBool(is_string))
  21     return false;
  22   if (is_string) {
  23     // Write the null byte for efficiency on the other end.
  24     return pickle->WriteData(string, strlen(string) + 1);
  25   }
  26   return pickle->WriteInt(number);
  27 }
  28
  29 bool DeserializeNPIdentifier(base::PickleIterator* pickle_iter,
  30                              NPIdentifier* identifier) {
  31   bool is_string;
  32   if (!pickle_iter->ReadBool(&is_string))
  33     return false;
  34
  35   if (is_string) {
  36     const char* data;
  37     int data_len;
  38     if (!pickle_iter->ReadData(&data, &data_len))
  39       return false;
  40     DCHECK_EQ((static_cast<size_t>(data_len)), strlen(data) + 1);
  41     *identifier = WebBindings::getStringIdentifier(data);
  42   } else {
  43     int number;
  44     if (!pickle_iter->ReadInt(&number))
  45       return false;
  46     *identifier = WebBindings::getIntIdentifier(number);
  47   }
  48   return true;
  49 }
  50
  51 }  // namespace content