Implement File API

shell/src/Main.cpp

 #include <AdblockPlus.h>
-#include <fstream>
 #include <iostream>
 #include <sstream>
 
 #include "GcCommand.h"
 #include "HelpCommand.h"
 #include "FiltersCommand.h"
 #include "SubscriptionsCommand.h"
 #include "MatchesCommand.h"
 
 namespace
 {
-  class LibFileReader : public AdblockPlus::FileReader
-  {
-  public:
-    std::auto_ptr<std::istream> Read(const std::string& path) const
-    {
-      std::ifstream* file = new std::ifstream;
-      file->open(("lib/" + path).c_str());
-      return std::auto_ptr<std::istream>(file);
-    }
-  };
-
   class CerrErrorCallback : public AdblockPlus::ErrorCallback
   {
   public:
     void operator()(const std::string& message)
     {
       std::cerr << "Error: " << message << std::endl;
     }
   };
 
   void Add(CommandMap& commands, Command* command)
@@ skipping 16 matching lines @@
     std::istringstream lineStream(commandLine);
     lineStream >> name;
     std::getline(lineStream, arguments);
   }
 }
 
 int main()
 {
   try
   {
-    LibFileReader fileReader;
+    AdblockPlus::DefaultFileSystem fileSystem;
     AdblockPlus::DefaultWebRequest webRequest;
     CerrErrorCallback errorCallback;
-    AdblockPlus::JsEngine jsEngine(&fileReader, &webRequest, &errorCallback);
+    AdblockPlus::JsEngine jsEngine(&fileSystem, &webRequest, &errorCallback);
     AdblockPlus::FilterEngine filterEngine(jsEngine);
 
     CommandMap commands;
     Add(commands, new GcCommand(jsEngine));
     Add(commands, new HelpCommand(commands));
     Add(commands, new FiltersCommand(filterEngine));
     Add(commands, new SubscriptionsCommand(filterEngine));
     Add(commands, new MatchesCommand(filterEngine));
 
     std::string commandLine;
@@ skipping 15 matching lines @@
         std::cout << error.what() << std::endl;
       }
     }
   }
   catch (const std::exception& e)
   {
     std::cerr << "Exception: " << e.what() << std::endl;
   }
   return 0;
 }