Issue 5450 - introduce the Platform class

src/FileSystemJsObject.cpp

 /*
  * 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <AdblockPlus/IFileSystem.h>
 #include <stdexcept>
 #include <sstream>
 #include <vector>
 
 #include <AdblockPlus/JsValue.h>
 #include "FileSystemJsObject.h"
 #include "JsContext.h"
 #include "Utils.h"
+#include <AdblockPlus/Platform.h>
 
 using namespace AdblockPlus;
 using AdblockPlus::Utils::ThrowExceptionInJS;
 
 namespace
 {
   void ReadCallback(const v8::FunctionCallbackInfo<v8::Value>& arguments)
   {
     AdblockPlus::JsEnginePtr jsEngine = AdblockPlus::JsEngine::FromArguments(arguments);
     AdblockPlus::JsValueList converted = jsEngine->ConvertArguments(arguments);
 
     v8::Isolate* isolate = arguments.GetIsolate();
     if (converted.size() != 2)
       return ThrowExceptionInJS(isolate, "_fileSystem.read requires 2 parameters");
     if (!converted[1].IsFunction())
       return ThrowExceptionInJS(isolate, "Second argument to _fileSystem.read must be a function");
 
     JsValueList values;
     values.push_back(converted[1]);
     auto weakCallback = jsEngine->StoreJsValues(values);
     std::weak_ptr<JsEngine> weakJsEngine = jsEngine;
-    jsEngine->GetAsyncFileSystem()->Read(converted[0].AsString(),
+    jsEngine->GetPlatform().GetFileSystem().Read(converted[0].AsString(),
       [weakJsEngine, weakCallback]
       (IFileSystem::IOBuffer&& content, const std::string& error)
       {
         auto jsEngine = weakJsEngine.lock();
         if (!jsEngine)
           return;
 
         const JsContext context(*jsEngine);
         auto result = jsEngine->NewObject();
         result.SetStringBufferProperty("content", std::move(content));
@@ skipping 12 matching lines @@
     if (converted.size() != 3)
       return ThrowExceptionInJS(isolate, "_fileSystem.write requires 3 parameters");
     if (!converted[2].IsFunction())
       return ThrowExceptionInJS(isolate, "Third argument to _fileSystem.write must be a function");
 
     JsValueList values;
     values.push_back(converted[2]);
     auto weakCallback = jsEngine->StoreJsValues(values);
     std::weak_ptr<JsEngine> weakJsEngine = jsEngine;
     auto content = converted[1].AsStringBuffer();
-    jsEngine->GetAsyncFileSystem()->Write(converted[0].AsString(),
+    jsEngine->GetPlatform().GetFileSystem().Write(converted[0].AsString(),
       content,
       [weakJsEngine, weakCallback](const std::string& error)
       {
         auto jsEngine = weakJsEngine.lock();
         if (!jsEngine)
           return;
 
         const JsContext context(*jsEngine);
         JsValueList params;
         if (!error.empty())
@@ skipping 10 matching lines @@
     v8::Isolate* isolate = arguments.GetIsolate();
     if (converted.size() != 3)
       return ThrowExceptionInJS(isolate, "_fileSystem.move requires 3 parameters");
     if (!converted[2].IsFunction())
       return ThrowExceptionInJS(isolate, "Third argument to _fileSystem.move must be a function");
 
     JsValueList values;
     values.push_back(converted[2]);
     auto weakCallback = jsEngine->StoreJsValues(values);
     std::weak_ptr<JsEngine> weakJsEngine = jsEngine;
-    jsEngine->GetAsyncFileSystem()->Move(converted[0].AsString(),
+    jsEngine->GetPlatform().GetFileSystem().Move(converted[0].AsString(),
       converted[1].AsString(),
       [weakJsEngine, weakCallback](const std::string& error)
       {
         auto jsEngine = weakJsEngine.lock();
         if (!jsEngine)
           return;
 
         const JsContext context(*jsEngine);
         JsValueList params;
         if (!error.empty())
@@ skipping 10 matching lines @@
     v8::Isolate* isolate = arguments.GetIsolate();
     if (converted.size() != 2)
       return ThrowExceptionInJS(isolate, "_fileSystem.remove requires 2 parameters");
     if (!converted[1].IsFunction())
       return ThrowExceptionInJS(isolate, "Second argument to _fileSystem.remove must be a function");
 
     JsValueList values;
     values.push_back(converted[1]);
     auto weakCallback = jsEngine->StoreJsValues(values);
     std::weak_ptr<JsEngine> weakJsEngine = jsEngine;
-    jsEngine->GetAsyncFileSystem()->Remove(converted[0].AsString(),
+    jsEngine->GetPlatform().GetFileSystem().Remove(converted[0].AsString(),
       [weakJsEngine, weakCallback](const std::string& error)
       {
         auto jsEngine = weakJsEngine.lock();
         if (!jsEngine)
           return;
 
         const JsContext context(*jsEngine);
         JsValueList params;
         if (!error.empty())
           params.push_back(jsEngine->NewValue(error));
         jsEngine->TakeJsValues(weakCallback)[0].Call(params);
       });
   }
 
   void StatCallback(const v8::FunctionCallbackInfo<v8::Value>& arguments)
   {
     AdblockPlus::JsEnginePtr jsEngine = AdblockPlus::JsEngine::FromArguments(arguments);
     AdblockPlus::JsValueList converted = jsEngine->ConvertArguments(arguments);
 
     v8::Isolate* isolate = arguments.GetIsolate();
     if (converted.size() != 2)
       return ThrowExceptionInJS(isolate, "_fileSystem.stat requires 2 parameters");
     if (!converted[1].IsFunction())
       return ThrowExceptionInJS(isolate, "Second argument to _fileSystem.stat must be a function");
 
     JsValueList values;
     values.push_back(converted[1]);
     auto weakCallback = jsEngine->StoreJsValues(values);
     std::weak_ptr<JsEngine> weakJsEngine = jsEngine;
-    jsEngine->GetAsyncFileSystem()->Stat(converted[0].AsString(),
+    jsEngine->GetPlatform().GetFileSystem().Stat(converted[0].AsString(),
       [weakJsEngine, weakCallback]
       (const IFileSystem::StatResult& statResult, const std::string& error)
       {
         auto jsEngine = weakJsEngine.lock();
         if (!jsEngine)
           return;
 
         const JsContext context(*jsEngine);
         auto result = jsEngine->NewObject();
 
@@ skipping 12 matching lines @@
 
   void ResolveCallback(const v8::FunctionCallbackInfo<v8::Value>& arguments)
   {
     AdblockPlus::JsEnginePtr jsEngine = AdblockPlus::JsEngine::FromArguments(arguments);
     AdblockPlus::JsValueList converted = jsEngine->ConvertArguments(arguments);
 
     v8::Isolate* isolate = arguments.GetIsolate();
     if (converted.size() != 1)
       return ThrowExceptionInJS(isolate, "_fileSystem.resolve requires 1 parameter");
 
-    std::string resolved = jsEngine->GetAsyncFileSystem()->Resolve(converted[0].AsString());
+    std::string resolved = jsEngine->GetPlatform().GetFileSystem().Resolve(converted[0].AsString());
     arguments.GetReturnValue().Set(Utils::ToV8String(isolate, resolved));
   }
 }
 
 
 JsValue& FileSystemJsObject::Setup(JsEngine& jsEngine, JsValue& obj)
 {
   obj.SetProperty("read", jsEngine.NewCallback(::ReadCallback));
   obj.SetProperty("write", jsEngine.NewCallback(::WriteCallback));
   obj.SetProperty("move", jsEngine.NewCallback(::MoveCallback));
   obj.SetProperty("remove", jsEngine.NewCallback(::RemoveCallback));
   obj.SetProperty("stat", jsEngine.NewCallback(::StatCallback));
   obj.SetProperty("resolve", jsEngine.NewCallback(::ResolveCallback));
   return obj;
 }