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diff --git a/connectivity/source/drivers/evoab2/EApi.cxx b/connectivity/source/drivers/evoab2/EApi.cxx
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+/* -*- 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 <rtl/ustring.hxx>
+#include <osl/module.hxx>
+#define DECLARE_FN_POINTERS 1
+#include "EApi.h"
+static const char *eBookLibNames[] = {
+ "libebook-1.2.so.21", // evolution-data-server 3.45.2+
+ "libebook-1.2.so.20", // evolution-data-server 3.33.2+
+ "libebook-1.2.so.19", // evolution-data-server 3.24+
+ "libebook-1.2.so.16"
+};
+
+typedef void (*SymbolFunc) ();
+
+namespace {
+
+struct ApiMap
+{
+ const char *sym_name;
+ SymbolFunc *ref_value;
+};
+
+}
+
+const ApiMap aCommonApiMap[] =
+{
+ { "eds_check_version", reinterpret_cast<SymbolFunc *>(&eds_check_version) },
+ { "e_contact_field_name", reinterpret_cast<SymbolFunc *>(&e_contact_field_name) },
+ { "e_contact_get", reinterpret_cast<SymbolFunc *>(&e_contact_get) },
+ { "e_contact_get_type", reinterpret_cast<SymbolFunc *>(&e_contact_get_type) },
+ { "e_contact_field_id", reinterpret_cast<SymbolFunc *>(&e_contact_field_id) },
+ { "e_book_new", reinterpret_cast<SymbolFunc *>(&e_book_new) },
+ { "e_book_open", reinterpret_cast<SymbolFunc *>(&e_book_open) },
+ { "e_book_get_source", reinterpret_cast<SymbolFunc *>(&e_book_get_source) },
+ { "e_book_get_contacts", reinterpret_cast<SymbolFunc *>(&e_book_get_contacts) },
+ { "e_book_query_field_test", reinterpret_cast<SymbolFunc *>(&e_book_query_field_test) },
+ { "e_book_query_and", reinterpret_cast<SymbolFunc *>(&e_book_query_and) },
+ { "e_book_query_or", reinterpret_cast<SymbolFunc *>(&e_book_query_or) },
+ { "e_book_query_not", reinterpret_cast<SymbolFunc *>(&e_book_query_not) },
+ { "e_book_query_ref", reinterpret_cast<SymbolFunc *>(&e_book_query_ref) },
+ { "e_book_query_unref", reinterpret_cast<SymbolFunc *>(&e_book_query_unref) },
+ { "e_book_query_from_string", reinterpret_cast<SymbolFunc *>(&e_book_query_from_string) },
+ { "e_book_query_to_string", reinterpret_cast<SymbolFunc *>(&e_book_query_to_string) },
+ { "e_book_query_field_exists", reinterpret_cast<SymbolFunc *>(&e_book_query_field_exists) }
+};
+
+const ApiMap aNewApiMap[] =
+{
+ { "e_source_registry_list_sources", reinterpret_cast<SymbolFunc *>(&e_source_registry_list_sources) },
+ { "e_source_registry_new_sync", reinterpret_cast<SymbolFunc *>(&e_source_registry_new_sync) },
+ { "e_source_has_extension", reinterpret_cast<SymbolFunc *>(&e_source_has_extension) },
+ { "e_source_get_extension", reinterpret_cast<SymbolFunc *>(&e_source_get_extension) },
+ { "e_source_backend_get_backend_name", reinterpret_cast<SymbolFunc *>(&e_source_backend_get_backend_name) },
+ { "e_source_get_display_name", reinterpret_cast<SymbolFunc *>(&e_source_get_display_name) },
+ { "e_source_get_uid", reinterpret_cast<SymbolFunc *>(&e_source_get_uid) },
+ { "e_source_registry_ref_source", reinterpret_cast<SymbolFunc *>(&e_source_registry_ref_source) },
+ { "e_client_open_sync", reinterpret_cast<SymbolFunc *>(&e_client_open_sync) },
+ { "e_client_get_source", reinterpret_cast<SymbolFunc *>(&e_client_get_source) },
+ { "e_book_client_get_contacts_sync", reinterpret_cast<SymbolFunc *>(&e_book_client_get_contacts_sync) },
+ { "e_client_util_free_object_slist", reinterpret_cast<SymbolFunc *>(&e_client_util_free_object_slist) }
+};
+
+//>= direct read access API (>= 3.8)
+const ApiMap aClientApiMap38[] =
+{
+ { "e_book_client_connect_direct_sync", reinterpret_cast<SymbolFunc *>(&e_book_client_connect_direct_sync) }
+};
+
+template<size_t N> static bool
+tryLink( osl::Module &rModule, const char *pName, const ApiMap (&pMap)[N])
+{
+ for (size_t i = 0; i < N; ++i)
+ {
+ SymbolFunc aMethod = reinterpret_cast<SymbolFunc>(
+ rModule.getFunctionSymbol(OUString::createFromAscii(pMap[i].sym_name)));
+ if( !aMethod )
+ {
+ fprintf( stderr, "Warning: missing symbol '%s' in '%s'\n",
+ pMap[ i ].sym_name, pName );
+ return false;
+ }
+ *pMap[ i ].ref_value = aMethod;
+ }
+ return true;
+}
+
+bool EApiInit()
+{
+ for( guint j = 0; j < G_N_ELEMENTS( eBookLibNames ); j++ )
+ {
+ osl::Module aModule(OUString::createFromAscii(eBookLibNames[j]), SAL_LOADMODULE_DEFAULT);
+
+ if (!aModule.is())
+ continue;
+
+ if (tryLink( aModule, eBookLibNames[ j ], aCommonApiMap))
+ {
+ if (tryLink( aModule, eBookLibNames[ j ], aNewApiMap))
+ {
+ if (tryLink( aModule, eBookLibNames[ j ], aClientApiMap38))
+ {
+ aModule.release();
+ return true;
+ }
+ }
+ }
+ }
+ fprintf( stderr, "Can find no compliant libebook client libraries\n" );
+ return false;
+}
+
+ESourceRegistry *get_e_source_registry()
+{
+ static ESourceRegistry *theInstance = e_source_registry_new_sync(nullptr, nullptr);
+ return theInstance;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */