update docs and injected class

Author: 7bitcoder

Docs/advanced-guides/injected-utility-class.rst

@@ -4,7 +4,8 @@ Injected Utility Class
 Library provides also Injected_ utility class.
 This base class has inject() method that can be used to inject services in simple inline way, also
 there are InjectedSingleton, InjectedScoped and InjectedTransient base classes that are inheriting
-from Injected and Registered classes to combine these two features
+from Injected and Registered classes to combine these two features. Injected class has also method
+getProvider(), raw provider can be used to get keyed services for example.
 
 .. _Injected: ../reference/di/utils/injected.html
 

Docs/advanced-guides/register-utility-class.rst

@@ -2,7 +2,7 @@ Register Utility Class
 ========================================
 
 Library provides simple template RegisterService_ utility class.
-This base class can be used to automatically register class in service collection with use of specjalized TRegisterer.
+This base class can be used to automatically register class in service collection with use of specialised TRegisterer.
 There are already created aliases RegisterSingleton_, RegisterScoped_, RegisterTransient_ that are registering services
 in GlobalServices_ singleton.
 

Examples/Guides/InjectedUtilityClass.cpp

@@ -35,6 +35,7 @@ class ServiceExecutor final : public InjectedScoped<IServiceExecutor, ServiceExe
 
     [[nodiscard]] std::string execute() const override
     {
+        ServiceProvider &provider = getProvider(); // access also provider
         return _serviceA.actionA() + ", " + _serviceB->actionB() + " executed.";
     }
 };

Include/SevenBit/DI/Utils/Injected.hpp

@@ -1,7 +1,5 @@
 #pragma once
 
-#include <type_traits>
-
 #include "SevenBit/DI/LibraryConfig.hpp"
 
 #include "SevenBit/DI/Utils/Register.hpp"
@@ -11,12 +9,16 @@ namespace sb::di
 {
     struct Injected
     {
-        explicit Injected(ServiceProvider &provider) : provider(provider) {}
+      private:
+        ServiceProvider &_provider;
+
+      public:
+        explicit Injected(ServiceProvider &provider) : _provider(provider) {}
 
       protected:
-        ServiceProvider &provider;
+        [[nodiscard]] ServiceProvider &getProvider() const { return _provider; }
 
-        [[nodiscard]] ServiceExtractor inject() const { return ServiceExtractor{provider}; }
+        [[nodiscard]] ServiceExtractor inject() const { return ServiceExtractor{getProvider()}; }
     };
 
     template <class TService, class TImplementation = TService>