1 files changed, 121 insertions, 0 deletions
diff --git a/configmgr/source/readonlyaccess.cxx b/configmgr/source/readonlyaccess.cxx
new file mode 100644
index 0000000000..c070e47f71
--- /dev/null
+++ b/configmgr/source/readonlyaccess.cxx
@@ -0,0 +1,121 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/NotInitializedException.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/uno/XInterface.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/weak.hxx>
+#include <rtl/ref.hxx>
+#include <rtl/ustring.hxx>
+#include <utility>
+#include <sal/types.h>
+
+#include "components.hxx"
+#include "lock.hxx"
+#include "rootaccess.hxx"
+#include <mutex>
+
+namespace configmgr::read_only_access {
+
+namespace {
+
+class Service:
+    public cppu::WeakImplHelper<
+        css::lang::XServiceInfo, css::lang::XInitialization,
+        css::container::XHierarchicalNameAccess >
+{
+public:
+    explicit Service(
+        css::uno::Reference< css::uno::XComponentContext > context):
+        context_(std::move(context)) {}
+
+private:
+    Service(const Service&) = delete;
+    Service& operator=(const Service&) = delete;
+
+    virtual ~Service() override {}
+
+    virtual OUString SAL_CALL getImplementationName() override
+    { return "com.sun.star.comp.configuration.ReadOnlyAccess"; }
+
+    virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
+    { return cppu::supportsService(this, ServiceName); }
+
+    virtual css::uno::Sequence< OUString > SAL_CALL
+    getSupportedServiceNames() override
+    { return { "com.sun.star.configuration.ReadOnlyAccess" }; }
+
+    virtual void SAL_CALL initialize(
+        css::uno::Sequence< css::uno::Any > const & aArguments) override;
+
+    virtual css::uno::Any SAL_CALL getByHierarchicalName(
+        OUString const & aName) override
+    { return getRoot()->getByHierarchicalName(aName); }
+
+    virtual sal_Bool SAL_CALL hasByHierarchicalName(OUString const & aName) override
+    { return getRoot()->hasByHierarchicalName(aName); }
+
+    rtl::Reference< RootAccess > getRoot();
+
+    css::uno::Reference< css::uno::XComponentContext > context_;
+
+    std::mutex mutex_;
+    rtl::Reference< RootAccess > root_;
+};
+
+void Service::initialize(css::uno::Sequence< css::uno::Any > const & aArguments)
+{
+    OUString locale;
+    if (aArguments.getLength() != 1 || !(aArguments[0] >>= locale)) {
+        throw css::lang::IllegalArgumentException(
+            "not exactly one string argument",
+            getXWeak(), -1);
+    }
+    std::unique_lock g1(mutex_);
+    if (root_.is()) {
+        throw css::uno::RuntimeException(
+            "already initialized", getXWeak());
+    }
+    osl::MutexGuard g2(*lock());
+    Components & components = Components::getSingleton(context_);
+    root_ = new RootAccess(components, "/", locale, false);
+    components.addRootAccess(root_);
+}
+
+rtl::Reference< RootAccess > Service::getRoot() {
+    std::unique_lock g(mutex_);
+    if (!root_.is()) {
+        throw css::lang::NotInitializedException(
+            "not initialized", getXWeak());
+    }
+    return root_;
+}
+
+}
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_configuration_ReadOnlyAccess_get_implementation(
+    css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new configmgr::read_only_access::Service(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */