/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/

 

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"

#include <rtl/ustring.hxx>
#include <osl/module.h>
#include <stdio.h>
#define  DECLARE_FN_POINTERS 1
#include "EApi.h"
static const char *eBookLibNames[] = {
	"libebook-1.2.so.9", // evolution-2.8
	"libebook-1.2.so.5", // evolution-2.4 and 2.6+
	"libebook-1.2.so.3", // evolution-2.2
	"libebook.so.8"      // evolution-2.0
};

typedef void (*SymbolFunc) (void);

#define SYM_MAP(a) { #a, (SymbolFunc *)&a }
    static struct {
	const char *sym_name;
	SymbolFunc *ref_value;
    } aApiMap[] = {
	SYM_MAP( e_contact_field_name ),
	SYM_MAP( e_contact_get ),
	SYM_MAP( e_contact_get_type ),
	SYM_MAP( e_contact_field_id ),
	SYM_MAP( e_source_peek_name ),
	SYM_MAP( e_source_get_property ),
	SYM_MAP( e_source_list_peek_groups ),
	SYM_MAP( e_source_group_peek_sources ),
	SYM_MAP( e_book_new ),
	SYM_MAP( e_book_open ),
	SYM_MAP( e_book_get_uri ),
	SYM_MAP( e_book_get_source ),
	SYM_MAP( e_book_get_addressbooks ),
	SYM_MAP( e_book_get_contacts ),
	SYM_MAP( e_book_authenticate_user ),
	SYM_MAP( e_book_query_field_test ),
	SYM_MAP( e_book_query_and ),
	SYM_MAP( e_book_query_or ),
	SYM_MAP( e_book_query_not ),
	SYM_MAP( e_book_query_ref ),
	SYM_MAP( e_book_query_unref ),
	SYM_MAP( e_book_query_from_string ),
	SYM_MAP( e_book_query_to_string ),
	SYM_MAP( e_book_query_field_exists ),
	SYM_MAP( e_source_group_peek_base_uri)
    }; 
#undef SYM_MAP

static bool
tryLink( oslModule &aModule, const char *pName )
{
    for( guint i = 0; i < G_N_ELEMENTS( aApiMap ); i++ )
    {
	SymbolFunc aMethod;
	aMethod = (SymbolFunc) osl_getFunctionSymbol
		( aModule, rtl::OUString::createFromAscii ( aApiMap[ i ].sym_name ).pData );
	if( !aMethod )
	{
	    fprintf( stderr, "Warning: missing symbol '%s' in '%s'",
		     aApiMap[ i ].sym_name, pName );
	    return false;
	}
	* aApiMap[ i ].ref_value = aMethod;
    }
    return true;
}

bool EApiInit()
{
    oslModule aModule;

    for( guint j = 0; j < G_N_ELEMENTS( eBookLibNames ); j++ )
    {
		aModule = osl_loadModule( rtl::OUString::createFromAscii
								  ( eBookLibNames[ j ] ).pData,
								  SAL_LOADMODULE_DEFAULT );
		if( aModule)
		{
		    if ( tryLink( aModule, eBookLibNames[ j ] ) )
				return true;
		    osl_unloadModule( aModule );
		}
    }
    fprintf( stderr, "Can find no compliant libebook client libraries\n" );
    return false;
}

#if 0
// hjs: SOLARDEF does no longer exist please lookup the required
// defines in a regular compile line
/*
 * Test code - enable & 
 *
 * Compile with ( after source LinuxIntelEnv.Set.sh )
   gcc $SOLARDEF -I $SOLARVER/$UPD/$INPATH/inc \
     -I. `pkg-config --cflags --libs gobject-2.0` \
     -L $SOLARVER/$UPD/$INPATH/lib -luno_sal -lstdc++ EApi.cxx
 */ 

int main( int argc, char **argv)
{
    return EApiInit();
}

#endif