Issue 5183 - Provide async interface for FileSystem

include/AdblockPlus/JsValue.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 92 matching lines @@
     void SetProperty(const std::string& name, const JsValue& value);
     inline void SetProperty(const std::string& name, const char* val)
     {
       SetProperty(name, std::string(val));
     }
     inline void SetProperty(const std::string& name, int val)
     {
       SetProperty(name, static_cast<int64_t>(val));
     }
     //@}
+    /**
+     * Sets a property value string if this is an object (see `IsObject()`).
+     * @param name Property name.
+     * @param val Property value as a StringBuffer.
+     */
+    void SetStringBufferProperty(const std::string& name, const StringBuffer& val);
 
     /**
      * Returns the value's class name, e.g.\ _Array_ for arrays
      * (see `IsArray()`).
      * Technically, this is the name of the function that was used as a
      * constructor.
      * @return Class name of the value.
      */
     std::string GetClass() const;
 
@@ skipping 30 matching lines @@
 
     // Parameter args is not const because a pointer to its internal arrays is
     // passed to v8::Function::Call but the latter does not expect a const pointer.
     JsValue Call(std::vector<v8::Local<v8::Value>>& args, v8::Local<v8::Object> thisObj) const;
 
     std::unique_ptr<v8::Global<v8::Value>> value;
   };
 }
 
 #endif