connectivity/source/drivers/evoab2/EApi.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #include <rtl/ustring.hxx>
  20 #include <osl/module.hxx>
  21 #define  DECLARE_FN_POINTERS 1
  22 #include "EApi.h"
  23 static const char *eBookLibNames[] = {
  24     "libebook-1.2.so.21", // evolution-data-server 3.45.2+
  25     "libebook-1.2.so.20", // evolution-data-server 3.33.2+
  26     "libebook-1.2.so.19", // evolution-data-server 3.24+
  27     "libebook-1.2.so.16"
  28 };
  29
  30 typedef void (*SymbolFunc) ();
  31
  32 namespace {
  33
  34 struct ApiMap
  35 {
  36     const char *sym_name;
  37     SymbolFunc *ref_value;
  38 };
  39
  40 }
  41
  42 const ApiMap aCommonApiMap[] =
  43 {
  44     { "eds_check_version", reinterpret_cast<SymbolFunc *>(&eds_check_version) },
  45     { "e_contact_field_name", reinterpret_cast<SymbolFunc *>(&e_contact_field_name) },
  46     { "e_contact_get", reinterpret_cast<SymbolFunc *>(&e_contact_get) },
  47     { "e_contact_get_type", reinterpret_cast<SymbolFunc *>(&e_contact_get_type) },
  48     { "e_contact_field_id", reinterpret_cast<SymbolFunc *>(&e_contact_field_id) },
  49     { "e_book_new", reinterpret_cast<SymbolFunc *>(&e_book_new) },
  50     { "e_book_open", reinterpret_cast<SymbolFunc *>(&e_book_open) },
  51     { "e_book_get_source", reinterpret_cast<SymbolFunc *>(&e_book_get_source) },
  52     { "e_book_get_contacts", reinterpret_cast<SymbolFunc *>(&e_book_get_contacts) },
  53     { "e_book_query_field_test", reinterpret_cast<SymbolFunc *>(&e_book_query_field_test) },
  54     { "e_book_query_and", reinterpret_cast<SymbolFunc *>(&e_book_query_and) },
  55     { "e_book_query_or", reinterpret_cast<SymbolFunc *>(&e_book_query_or) },
  56     { "e_book_query_not", reinterpret_cast<SymbolFunc *>(&e_book_query_not) },
  57     { "e_book_query_ref", reinterpret_cast<SymbolFunc *>(&e_book_query_ref) },
  58     { "e_book_query_unref", reinterpret_cast<SymbolFunc *>(&e_book_query_unref) },
  59     { "e_book_query_from_string", reinterpret_cast<SymbolFunc *>(&e_book_query_from_string) },
  60     { "e_book_query_to_string", reinterpret_cast<SymbolFunc *>(&e_book_query_to_string) },
  61     { "e_book_query_field_exists", reinterpret_cast<SymbolFunc *>(&e_book_query_field_exists) }
  62 };
  63
  64 const ApiMap aNewApiMap[] =
  65 {
  66     { "e_source_registry_list_sources", reinterpret_cast<SymbolFunc *>(&e_source_registry_list_sources) },
  67     { "e_source_registry_new_sync", reinterpret_cast<SymbolFunc *>(&e_source_registry_new_sync) },
  68     { "e_source_has_extension", reinterpret_cast<SymbolFunc *>(&e_source_has_extension) },
  69     { "e_source_get_extension", reinterpret_cast<SymbolFunc *>(&e_source_get_extension) },
  70     { "e_source_backend_get_backend_name", reinterpret_cast<SymbolFunc *>(&e_source_backend_get_backend_name) },
  71     { "e_source_get_display_name", reinterpret_cast<SymbolFunc *>(&e_source_get_display_name) },
  72     { "e_source_get_uid", reinterpret_cast<SymbolFunc *>(&e_source_get_uid) },
  73     { "e_source_registry_ref_source", reinterpret_cast<SymbolFunc *>(&e_source_registry_ref_source) },
  74     { "e_client_open_sync", reinterpret_cast<SymbolFunc *>(&e_client_open_sync) },
  75     { "e_client_get_source", reinterpret_cast<SymbolFunc *>(&e_client_get_source) },
  76     { "e_book_client_get_contacts_sync", reinterpret_cast<SymbolFunc *>(&e_book_client_get_contacts_sync) },
  77     { "e_client_util_free_object_slist", reinterpret_cast<SymbolFunc *>(&e_client_util_free_object_slist) }
  78 };
  79
  80 //>= direct read access API (>= 3.8)
  81 const ApiMap aClientApiMap38[] =
  82 {
  83     { "e_book_client_connect_direct_sync", reinterpret_cast<SymbolFunc *>(&e_book_client_connect_direct_sync) }
  84 };
  85
  86 template<size_t N> static bool
  87 tryLink( osl::Module &rModule, const char *pName, const ApiMap (&pMap)[N])
  88 {
  89     for (size_t i = 0; i < N; ++i)
  90     {
  91         SymbolFunc aMethod = reinterpret_cast<SymbolFunc>(
  92             rModule.getFunctionSymbol(OUString::createFromAscii(pMap[i].sym_name)));
  93         if( !aMethod )
  94         {
  95             fprintf( stderr, "Warning: missing symbol '%s' in '%s'\n",
  96                  pMap[ i ].sym_name, pName );
  97             return false;
  98         }
  99         *pMap[ i ].ref_value = aMethod;
 100     }
 101     return true;
 102 }
 103
 104 bool EApiInit()
 105 {
 106     for( guint j = 0; j < G_N_ELEMENTS( eBookLibNames ); j++ )
 107     {
 108         osl::Module aModule(OUString::createFromAscii(eBookLibNames[j]), SAL_LOADMODULE_DEFAULT);
 109
 110         if (!aModule.is())
 111             continue;
 112
 113         if (tryLink( aModule, eBookLibNames[ j ], aCommonApiMap))
 114         {
 115             if (tryLink( aModule, eBookLibNames[ j ], aNewApiMap))
 116             {
 117                 if (tryLink( aModule, eBookLibNames[ j ], aClientApiMap38))
 118                 {
 119                     aModule.release();
 120                     return true;
 121                 }
 122             }
 123         }
 124     }
 125     fprintf( stderr, "Can find no compliant libebook client libraries\n" );
 126     return false;
 127 }
 128
 129 ESourceRegistry *get_e_source_registry()
 130 {
 131     static ESourceRegistry *theInstance = e_source_registry_new_sync(nullptr, nullptr);
 132     return theInstance;
 133 }
 134
 135 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */