Unify IReporterRegistry and ReporterRegistry

To keep the compilation firewall effect, the implementations
are hidden behind a PIMPL. In this case it is probably not
worth it, but we can inline it later if needed.

11 files changed, 94 insertions, 109 deletions

diff --git a/src/catch2/catch_registry_hub.cpp b/src/catch2/catch_registry_hub.cpp
index 243dd2b0..0e43db92 100644
--- a/src/catch2/catch_registry_hub.cpp
+++ b/src/catch2/catch_registry_hub.cpp
@@ -20,6 +20,7 @@
 #include <catch2/internal/catch_noncopyable.hpp>
 #include <catch2/interfaces/catch_interfaces_reporter_factory.hpp>
 #include <catch2/internal/catch_move_and_forward.hpp>
+#include <catch2/internal/catch_reporter_registry.hpp>
 
 namespace Catch {
 
@@ -31,7 +32,7 @@ namespace Catch {
 
         public: // IRegistryHub
             RegistryHub() = default;
-            IReporterRegistry const& getReporterRegistry() const override {
+            ReporterRegistry const& getReporterRegistry() const override {
                 return m_reporterRegistry;
             }
             ITestCaseRegistry const& getTestCaseRegistry() const override {
diff --git a/src/catch2/catch_session.cpp b/src/catch2/catch_session.cpp
index 43465f0c..a73334f4 100644
--- a/src/catch2/catch_session.cpp
+++ b/src/catch2/catch_session.cpp
@@ -19,7 +19,7 @@
 #include <catch2/internal/catch_textflow.hpp>
 #include <catch2/internal/catch_windows_h_proxy.hpp>
 #include <catch2/reporters/catch_reporter_multi.hpp>
-#include <catch2/interfaces/catch_interfaces_reporter_registry.hpp>
+#include <catch2/internal/catch_reporter_registry.hpp>
 #include <catch2/interfaces/catch_interfaces_reporter_factory.hpp>
 #include <catch2/internal/catch_move_and_forward.hpp>
 #include <catch2/internal/catch_stdstreams.hpp>
diff --git a/src/catch2/interfaces/catch_interfaces_all.hpp b/src/catch2/interfaces/catch_interfaces_all.hpp
index 87b746d8..7a0d0c29 100644
--- a/src/catch2/interfaces/catch_interfaces_all.hpp
+++ b/src/catch2/interfaces/catch_interfaces_all.hpp
@@ -30,7 +30,6 @@
 #include <catch2/interfaces/catch_interfaces_registry_hub.hpp>
 #include <catch2/interfaces/catch_interfaces_reporter.hpp>
 #include <catch2/interfaces/catch_interfaces_reporter_factory.hpp>
-#include <catch2/interfaces/catch_interfaces_reporter_registry.hpp>
 #include <catch2/interfaces/catch_interfaces_tag_alias_registry.hpp>
 #include <catch2/interfaces/catch_interfaces_testcase.hpp>
 
diff --git a/src/catch2/interfaces/catch_interfaces_registry_hub.hpp b/src/catch2/interfaces/catch_interfaces_registry_hub.hpp
index 8813b538..113f223e 100644
--- a/src/catch2/interfaces/catch_interfaces_registry_hub.hpp
+++ b/src/catch2/interfaces/catch_interfaces_registry_hub.hpp
@@ -19,7 +19,7 @@ namespace Catch {
     class ITestCaseRegistry;
     class IExceptionTranslatorRegistry;
     class IExceptionTranslator;
-    class IReporterRegistry;
+    class ReporterRegistry;
     class IReporterFactory;
     class ITagAliasRegistry;
     class ITestInvoker;
@@ -35,7 +35,7 @@ namespace Catch {
     public:
         virtual ~IRegistryHub(); // = default
 
-        virtual IReporterRegistry const& getReporterRegistry() const = 0;
+        virtual ReporterRegistry const& getReporterRegistry() const = 0;
         virtual ITestCaseRegistry const& getTestCaseRegistry() const = 0;
         virtual ITagAliasRegistry const& getTagAliasRegistry() const = 0;
         virtual IExceptionTranslatorRegistry const& getExceptionTranslatorRegistry() const = 0;
diff --git a/src/catch2/interfaces/catch_interfaces_reporter_registry.cpp b/src/catch2/interfaces/catch_interfaces_reporter_registry.cpp
deleted file mode 100644
index f620cbc8..00000000
--- a/src/catch2/interfaces/catch_interfaces_reporter_registry.cpp
+++ /dev/null
@@ -1,13 +0,0 @@
-
-//              Copyright Catch2 Authors
-// Distributed under the Boost Software License, Version 1.0.
-//   (See accompanying file LICENSE.txt or copy at
-//        https://www.boost.org/LICENSE_1_0.txt)
-
-// SPDX-License-Identifier: BSL-1.0
-
-#include <catch2/interfaces/catch_interfaces_reporter_registry.hpp>
-
-namespace Catch {
-    IReporterRegistry::~IReporterRegistry() = default;
-}
diff --git a/src/catch2/interfaces/catch_interfaces_reporter_registry.hpp b/src/catch2/interfaces/catch_interfaces_reporter_registry.hpp
deleted file mode 100644
index 277d1761..00000000
--- a/src/catch2/interfaces/catch_interfaces_reporter_registry.hpp
+++ /dev/null
@@ -1,42 +0,0 @@
-
-//              Copyright Catch2 Authors
-// Distributed under the Boost Software License, Version 1.0.
-//   (See accompanying file LICENSE.txt or copy at
-//        https://www.boost.org/LICENSE_1_0.txt)
-
-// SPDX-License-Identifier: BSL-1.0
-#ifndef CATCH_INTERFACES_REPORTER_REGISTRY_HPP_INCLUDED
-#define CATCH_INTERFACES_REPORTER_REGISTRY_HPP_INCLUDED
-
-#include <catch2/internal/catch_case_insensitive_comparisons.hpp>
-#include <catch2/internal/catch_unique_ptr.hpp>
-
-#include <string>
-#include <vector>
-#include <map>
-
-namespace Catch {
-
-    class IConfig;
-
-    class IEventListener;
-    using IEventListenerPtr = Detail::unique_ptr<IEventListener>;
-    class IReporterFactory;
-    using IReporterFactoryPtr = Detail::unique_ptr<IReporterFactory>;
-    struct ReporterConfig;
-    class EventListenerFactory;
-
-    class IReporterRegistry {
-    public:
-        using FactoryMap = std::map<std::string, IReporterFactoryPtr, Detail::CaseInsensitiveLess>;
-        using Listeners = std::vector<Detail::unique_ptr<EventListenerFactory>>;
-
-        virtual ~IReporterRegistry(); // = default
-        virtual IEventListenerPtr create( std::string const& name, ReporterConfig&& config ) const = 0;
-        virtual FactoryMap const& getFactories() const = 0;
-        virtual Listeners const& getListeners() const = 0;
-    };
-
-} // end namespace Catch
-
-#endif // CATCH_INTERFACES_REPORTER_REGISTRY_HPP_INCLUDED
diff --git a/src/catch2/internal/catch_commandline.cpp b/src/catch2/internal/catch_commandline.cpp
index 81aa073c..4ac1847b 100644
--- a/src/catch2/internal/catch_commandline.cpp
+++ b/src/catch2/internal/catch_commandline.cpp
@@ -10,7 +10,7 @@
 #include <catch2/catch_config.hpp>
 #include <catch2/internal/catch_string_manip.hpp>
 #include <catch2/interfaces/catch_interfaces_registry_hub.hpp>
-#include <catch2/interfaces/catch_interfaces_reporter_registry.hpp>
+#include <catch2/internal/catch_reporter_registry.hpp>
 #include <catch2/internal/catch_console_colour.hpp>
 #include <catch2/internal/catch_parse_numbers.hpp>
 #include <catch2/internal/catch_reporter_spec_parser.hpp>
@@ -144,7 +144,7 @@ namespace Catch {
 
             auto const& reporterSpec = *parsed;
 
-            IReporterRegistry::FactoryMap const& factories =
+            auto const& factories =
                 getRegistryHub().getReporterRegistry().getFactories();
             auto result = factories.find( reporterSpec.name() );
 
diff --git a/src/catch2/internal/catch_list.cpp b/src/catch2/internal/catch_list.cpp
index 263781d6..4eb8bb7d 100644
--- a/src/catch2/internal/catch_list.cpp
+++ b/src/catch2/internal/catch_list.cpp
@@ -9,9 +9,9 @@
 
 #include <catch2/interfaces/catch_interfaces_registry_hub.hpp>
 #include <catch2/interfaces/catch_interfaces_reporter.hpp>
-#include <catch2/interfaces/catch_interfaces_reporter_registry.hpp>
 #include <catch2/interfaces/catch_interfaces_testcase.hpp>
 #include <catch2/interfaces/catch_interfaces_reporter_factory.hpp>
+#include <catch2/internal/catch_reporter_registry.hpp>
 #include <catch2/internal/catch_move_and_forward.hpp>
 #include <catch2/internal/catch_case_insensitive_comparisons.hpp>
 
@@ -54,7 +54,7 @@ namespace Catch {
         void listReporters(IEventListener& reporter) {
             std::vector<ReporterDescription> descriptions;
 
-            IReporterRegistry::FactoryMap const& factories = getRegistryHub().getReporterRegistry().getFactories();
+            auto const& factories = getRegistryHub().getReporterRegistry().getFactories();
             descriptions.reserve(factories.size());
             for (auto const& fac : factories) {
                 descriptions.push_back({ fac.first, fac.second->getDescription() });
diff --git a/src/catch2/internal/catch_reporter_registry.cpp b/src/catch2/internal/catch_reporter_registry.cpp
index 4c0c44f4..8f13ae56 100644
--- a/src/catch2/internal/catch_reporter_registry.cpp
+++ b/src/catch2/internal/catch_reporter_registry.cpp
@@ -5,61 +5,86 @@
 //        https://www.boost.org/LICENSE_1_0.txt)
 
 // SPDX-License-Identifier: BSL-1.0
-#include <catch2/internal/catch_reporter_registry.hpp>
 
-#include <catch2/reporters/catch_reporter_registrars.hpp>
+#include <catch2/internal/catch_reporter_registry.hpp>
+#include <catch2/interfaces/catch_interfaces_reporter_factory.hpp>
+#include <catch2/internal/catch_enforce.hpp>
+#include <catch2/internal/catch_move_and_forward.hpp>
 #include <catch2/reporters/catch_reporter_automake.hpp>
 #include <catch2/reporters/catch_reporter_compact.hpp>
 #include <catch2/reporters/catch_reporter_console.hpp>
 #include <catch2/reporters/catch_reporter_junit.hpp>
+#include <catch2/reporters/catch_reporter_registrars.hpp>
 #include <catch2/reporters/catch_reporter_sonarqube.hpp>
 #include <catch2/reporters/catch_reporter_tap.hpp>
 #include <catch2/reporters/catch_reporter_teamcity.hpp>
 #include <catch2/reporters/catch_reporter_xml.hpp>
-#include <catch2/internal/catch_move_and_forward.hpp>
-#include <catch2/internal/catch_enforce.hpp>
 
 namespace Catch {
+    struct ReporterRegistry::ReporterRegistryImpl {
+        std::vector<Detail::unique_ptr<EventListenerFactory>> listeners;
+        std::map<std::string, IReporterFactoryPtr, Detail::CaseInsensitiveLess>
+            factories;
+    };
 
-    ReporterRegistry::ReporterRegistry() {
+    ReporterRegistry::ReporterRegistry():
+        m_impl( Detail::make_unique<ReporterRegistryImpl>() ) {
         // Because it is impossible to move out of initializer list,
         // we have to add the elements manually
-        m_factories["Automake"] = Detail::make_unique<ReporterFactory<AutomakeReporter>>();
-        m_factories["compact"] = Detail::make_unique<ReporterFactory<CompactReporter>>();
-        m_factories["console"] = Detail::make_unique<ReporterFactory<ConsoleReporter>>();
-        m_factories["JUnit"] = Detail::make_unique<ReporterFactory<JunitReporter>>();
-        m_factories["SonarQube"] = Detail::make_unique<ReporterFactory<SonarQubeReporter>>();
-        m_factories["TAP"] = Detail::make_unique<ReporterFactory<TAPReporter>>();
-        m_factories["TeamCity"] = Detail::make_unique<ReporterFactory<TeamCityReporter>>();
-        m_factories["XML"] = Detail::make_unique<ReporterFactory<XmlReporter>>();
+        m_impl->factories["Automake"] =
+            Detail::make_unique<ReporterFactory<AutomakeReporter>>();
+        m_impl->factories["compact"] =
+            Detail::make_unique<ReporterFactory<CompactReporter>>();
+        m_impl->factories["console"] =
+            Detail::make_unique<ReporterFactory<ConsoleReporter>>();
+        m_impl->factories["JUnit"] =
+            Detail::make_unique<ReporterFactory<JunitReporter>>();
+        m_impl->factories["SonarQube"] =
+            Detail::make_unique<ReporterFactory<SonarQubeReporter>>();
+        m_impl->factories["TAP"] =
+            Detail::make_unique<ReporterFactory<TAPReporter>>();
+        m_impl->factories["TeamCity"] =
+            Detail::make_unique<ReporterFactory<TeamCityReporter>>();
+        m_impl->factories["XML"] =
+            Detail::make_unique<ReporterFactory<XmlReporter>>();
     }
 
     ReporterRegistry::~ReporterRegistry() = default;
 
+    IEventListenerPtr
+    ReporterRegistry::create( std::string const& name,
+                              ReporterConfig&& config ) const {
+        auto it = m_impl->factories.find( name );
+        if ( it == m_impl->factories.end() ) return nullptr;
+        return it->second->create( CATCH_MOVE( config ) );
 
-    IEventListenerPtr ReporterRegistry::create( std::string const& name, ReporterConfig&& config ) const {
-        auto it =  m_factories.find( name );
-        if( it == m_factories.end() )
-            return nullptr;
-        return it->second->create( CATCH_MOVE(config) );
+        return IEventListenerPtr();
     }
 
-    void ReporterRegistry::registerReporter( std::string const& name, IReporterFactoryPtr factory ) {
+    void ReporterRegistry::registerReporter( std::string const& name,
+                                             IReporterFactoryPtr factory ) {
         CATCH_ENFORCE( name.find( "::" ) == name.npos,
-                       "'::' is not allowed in reporter name: '" + name + '\'' );
-        auto ret = m_factories.emplace(name, CATCH_MOVE(factory));
-        CATCH_ENFORCE( ret.second, "reporter using '" + name + "' as name was already registered" );
+                       "'::' is not allowed in reporter name: '" + name +
+                           '\'' );
+        auto ret = m_impl->factories.emplace( name, CATCH_MOVE( factory ) );
+        CATCH_ENFORCE( ret.second,
+                       "reporter using '" + name +
+                           "' as name was already registered" );
     }
     void ReporterRegistry::registerListener(
         Detail::unique_ptr<EventListenerFactory> factory ) {
-        m_listeners.push_back( CATCH_MOVE(factory) );
+        m_impl->listeners.push_back( CATCH_MOVE( factory ) );
     }
 
-    IReporterRegistry::FactoryMap const& ReporterRegistry::getFactories() const {
-        return m_factories;
-    }
-    IReporterRegistry::Listeners const& ReporterRegistry::getListeners() const {
-        return m_listeners;
+    std::map<std::string,
+             IReporterFactoryPtr,
+             Detail::CaseInsensitiveLess> const&
+    ReporterRegistry::getFactories() const {
+        return m_impl->factories;
     }
 
-}
+    std::vector<Detail::unique_ptr<EventListenerFactory>> const&
+    ReporterRegistry::getListeners() const {
+        return m_impl->listeners;
+    }
+} // namespace Catch
diff --git a/src/catch2/internal/catch_reporter_registry.hpp b/src/catch2/internal/catch_reporter_registry.hpp
index 5577b9ef..92a88927 100644
--- a/src/catch2/internal/catch_reporter_registry.hpp
+++ b/src/catch2/internal/catch_reporter_registry.hpp
@@ -8,31 +8,48 @@
 #ifndef CATCH_REPORTER_REGISTRY_HPP_INCLUDED
 #define CATCH_REPORTER_REGISTRY_HPP_INCLUDED
 
-#include <catch2/interfaces/catch_interfaces_reporter.hpp>
-#include <catch2/interfaces/catch_interfaces_reporter_registry.hpp>
+#include <catch2/internal/catch_case_insensitive_comparisons.hpp>
+#include <catch2/internal/catch_unique_ptr.hpp>
 
 #include <map>
+#include <string>
+#include <vector>
 
 namespace Catch {
 
-    class ReporterRegistry : public IReporterRegistry {
-    public:
+    class IEventListener;
+    using IEventListenerPtr = Detail::unique_ptr<IEventListener>;
+    class IReporterFactory;
+    using IReporterFactoryPtr = Detail::unique_ptr<IReporterFactory>;
+    struct ReporterConfig;
+    class EventListenerFactory;
+
+    class ReporterRegistry {
+        struct ReporterRegistryImpl;
+        Detail::unique_ptr<ReporterRegistryImpl> m_impl;
 
+    public:
         ReporterRegistry();
-        ~ReporterRegistry() override; // = default, out of line to allow fwd decl
+        ~ReporterRegistry(); // = default;
 
-        IEventListenerPtr create( std::string const& name, ReporterConfig&& config ) const override;
+        IEventListenerPtr create( std::string const& name,
+                                  ReporterConfig&& config ) const;
 
-        void registerReporter( std::string const& name, IReporterFactoryPtr factory );
-        void registerListener( Detail::unique_ptr<EventListenerFactory> factory );
+        void registerReporter( std::string const& name,
+                               IReporterFactoryPtr factory );
 
-        FactoryMap const& getFactories() const override;
-        Listeners const& getListeners() const override;
+        void
+        registerListener( Detail::unique_ptr<EventListenerFactory> factory );
 
-    private:
-        FactoryMap m_factories;
-        Listeners m_listeners;
+        std::map<std::string,
+                 IReporterFactoryPtr,
+                 Detail::CaseInsensitiveLess> const&
+        getFactories() const;
+
+        std::vector<Detail::unique_ptr<EventListenerFactory>> const&
+        getListeners() const;
     };
-}
+
+} // end namespace Catch
 
 #endif // CATCH_REPORTER_REGISTRY_HPP_INCLUDED
diff --git a/src/catch2/meson.build b/src/catch2/meson.build
index 0e114065..fee3b4ed 100644
--- a/src/catch2/meson.build
+++ b/src/catch2/meson.build
@@ -64,7 +64,6 @@ internal_headers = [
   'interfaces/catch_interfaces_registry_hub.hpp',
   'interfaces/catch_interfaces_reporter.hpp',
   'interfaces/catch_interfaces_reporter_factory.hpp',
-  'interfaces/catch_interfaces_reporter_registry.hpp',
   'interfaces/catch_interfaces_tag_alias_registry.hpp',
   'interfaces/catch_interfaces_testcase.hpp',
   'internal/catch_assertion_handler.hpp',
@@ -189,7 +188,6 @@ internal_sources = files(
   'interfaces/catch_interfaces_registry_hub.cpp',
   'interfaces/catch_interfaces_reporter.cpp',
   'interfaces/catch_interfaces_reporter_factory.cpp',
-  'interfaces/catch_interfaces_reporter_registry.cpp',
   'interfaces/catch_interfaces_testcase.cpp',
   'internal/catch_assertion_handler.cpp',
   'internal/catch_case_insensitive_comparisons.cpp',