erpt: reimplement the sysmodule (#875)

* erpt: reimplement the sysmodule

* fatal: update for latest bindings

* erpt: amend logic for culling orphan attachments

libraries/libstratosphere/source/erpt/srv/erpt_srv_session_impl.cpp

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+#include "erpt_srv_session_impl.hpp"
+#include "erpt_srv_report_impl.hpp"
+#include "erpt_srv_manager_impl.hpp"
+#include "erpt_srv_attachment_impl.hpp"
+
+namespace ams::erpt::srv {
+
+    Result SessionImpl::OpenReport(ams::sf::Out<std::shared_ptr<erpt::sf::IReport>> out) {
+        /* Create an interface. */
+        auto intf = std::shared_ptr<ReportImpl>(new (std::nothrow) ReportImpl);
+        R_UNLESS(intf != nullptr, erpt::ResultOutOfMemory());
+
+        /* Return it. */
+        out.SetValue(std::move(intf));
+        return ResultSuccess();
+    }
+
+    Result SessionImpl::OpenManager(ams::sf::Out<std::shared_ptr<erpt::sf::IManager>> out) {
+        /* Create an interface. */
+        auto intf = std::shared_ptr<ManagerImpl>(new (std::nothrow) ManagerImpl);
+        R_UNLESS(intf != nullptr, erpt::ResultOutOfMemory());
+
+        /* Return it. */
+        out.SetValue(std::move(intf));
+        return ResultSuccess();
+    }
+
+    Result SessionImpl::OpenAttachment(ams::sf::Out<std::shared_ptr<erpt::sf::IAttachment>> out) {
+        /* Create an interface. */
+        auto intf = std::shared_ptr<AttachmentImpl>(new (std::nothrow) AttachmentImpl);
+        R_UNLESS(intf != nullptr, erpt::ResultOutOfMemory());
+
+        /* Return it. */
+        out.SetValue(std::move(intf));
+        return ResultSuccess();
+    }
+
+}