1 files changed, 161 insertions, 0 deletions
diff --git a/comphelper/source/misc/servicedecl.cxx b/comphelper/source/misc/servicedecl.cxx
new file mode 100644
index 000000000..2b16539d1
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+++ b/comphelper/source/misc/servicedecl.cxx
@@ -0,0 +1,161 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <comphelper/servicedecl.hxx>
+#include <o3tl/string_view.hxx>
+#include <rtl/string.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <comphelper/sequence.hxx>
+#include <com/sun/star/lang/XSingleComponentFactory.hpp>
+#include <cassert>
+#include <vector>
+
+using namespace com::sun::star;
+
+namespace comphelper::service_decl {
+
+const char cDelim = ';';
+
+class ServiceDecl::Factory :
+        public cppu::WeakImplHelper<lang::XSingleComponentFactory,
+                                     lang::XServiceInfo>
+{
+public:
+    explicit Factory( ServiceDecl const& rServiceDecl )
+        : m_rServiceDecl(rServiceDecl) {}
+    // noncopyable
+    Factory(const Factory&) = delete;
+    const Factory& operator=(const Factory&) = delete;
+
+    // XServiceInfo:
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService( OUString const& name ) override;
+    virtual uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+    // XSingleComponentFactory:
+    virtual uno::Reference<uno::XInterface> SAL_CALL createInstanceWithContext(
+        uno::Reference<uno::XComponentContext> const& xContext ) override;
+    virtual uno::Reference<uno::XInterface> SAL_CALL
+    createInstanceWithArgumentsAndContext(
+    uno::Sequence<uno::Any> const& args,
+    uno::Reference<uno::XComponentContext> const& xContext ) override;
+
+private:
+    virtual ~Factory() override;
+
+    ServiceDecl const& m_rServiceDecl;
+};
+
+ServiceDecl::Factory::~Factory()
+{
+}
+
+// XServiceInfo:
+OUString ServiceDecl::Factory::getImplementationName()
+{
+    return m_rServiceDecl.getImplementationName();
+}
+
+sal_Bool ServiceDecl::Factory::supportsService( OUString const& name )
+{
+    return m_rServiceDecl.supportsService(name);
+}
+
+uno::Sequence<OUString> ServiceDecl::Factory::getSupportedServiceNames()
+{
+    return m_rServiceDecl.getSupportedServiceNames();
+}
+
+// XSingleComponentFactory:
+uno::Reference<uno::XInterface> ServiceDecl::Factory::createInstanceWithContext(
+    uno::Reference<uno::XComponentContext> const& xContext )
+{
+    return m_rServiceDecl.m_createFunc(
+        m_rServiceDecl, uno::Sequence<uno::Any>(), xContext );
+}
+
+uno::Reference<uno::XInterface>
+ServiceDecl::Factory::createInstanceWithArgumentsAndContext(
+    uno::Sequence<uno::Any > const& args,
+    uno::Reference<uno::XComponentContext> const& xContext )
+{
+    return m_rServiceDecl.m_createFunc(
+        m_rServiceDecl, args, xContext );
+}
+
+void * ServiceDecl::getFactory( char const* pImplName ) const
+{
+    if (rtl_str_compare(m_pImplName, pImplName) == 0) {
+        lang::XSingleComponentFactory * const pFac( new Factory(*this) );
+        pFac->acquire();
+        return pFac;
+    }
+    return nullptr;
+}
+
+uno::Sequence<OUString> ServiceDecl::getSupportedServiceNames() const
+{
+    std::vector<OUString> vec;
+
+    OString const str(m_pServiceNames);
+    sal_Int32 nIndex = 0;
+    do {
+        std::string_view const token( o3tl::getToken(str, 0, cDelim, nIndex ) );
+        vec.emplace_back( token.data(), token.size(),
+                                      RTL_TEXTENCODING_ASCII_US );
+    }
+    while (nIndex >= 0);
+
+    return comphelper::containerToSequence(vec);
+}
+
+bool ServiceDecl::supportsService( std::u16string_view name ) const
+{
+    OString const str(m_pServiceNames);
+    sal_Int32 nIndex = 0;
+    do {
+        std::string_view const token( o3tl::getToken(str, 0, cDelim, nIndex ) );
+        if (o3tl::equalsAscii(name, token))
+            return true;
+    }
+    while (nIndex >= 0);
+    return false;
+}
+
+OUString ServiceDecl::getImplementationName() const
+{
+    return OUString::createFromAscii(m_pImplName);
+}
+
+void* component_getFactoryHelper( const char* pImplName,
+                                  std::initializer_list<ServiceDecl const *> args )
+{
+    for (auto const i: args) {
+        assert(i != nullptr);
+        void * fac = i->getFactory(pImplName);
+        if (fac != nullptr) {
+            return fac;
+        }
+    }
+    return nullptr;
+}
+
+} // namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */