src/extensions/renderer/static_v8_external_one_byte_string_resource.h

   1 // Copyright 2014 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 EXTENSIONS_RENDERER_STATIC_V8_EXTERNAL_ONE_BYTE_STRING_RESOURCE_H_
   6 #define EXTENSIONS_RENDERER_STATIC_V8_EXTERNAL_ONE_BYTE_STRING_RESOURCE_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/strings/string_piece.h"
  10 #include "v8/include/v8.h"
  11
  12 namespace extensions {
  13
  14 // A very simple implementation of v8::ExternalAsciiStringResource that just
  15 // wraps a buffer. The buffer must outlive the v8 runtime instance this resource
  16 // is used in.
  17 class StaticV8ExternalOneByteStringResource
  18     : public v8::String::ExternalOneByteStringResource {
  19  public:
  20   explicit StaticV8ExternalOneByteStringResource(
  21       const base::StringPiece& buffer);
  22   ~StaticV8ExternalOneByteStringResource() override;
  23
  24   const char* data() const override;
  25   size_t length() const override;
  26
  27  private:
  28   base::StringPiece buffer_;
  29 };
  30
  31 }  // namespace extensions
  32
  33 #endif  // EXTENSIONS_RENDERER_STATIC_V8_EXTERNAL_ONE_BYTE_STRING_RESOURCE_H_