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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/.
*/
#ifndef INCLUDED_DESKTOP_INC_LIBREOFFICEKIT_INIT_H
#define INCLUDED_DESKTOP_INC_LIBREOFFICEKIT_INIT_H
#include "LibreOfficeKit.h"
#ifdef __cplusplus
extern "C"
{
#endif
#if defined(__linux__) || defined (__FreeBSD_kernel__) || defined(_AIX) || defined(_WIN32)
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef _WIN32
#include "dlfcn.h"
#ifdef _AIX
# include <sys/ldr.h>
#endif
#define TARGET_LIB "lib" "sofficeapp" ".so"
#define TARGET_MERGED_LIB "lib" "mergedlo" ".so"
#define SEPERATOR '/'
void *_dlopen(const char *pFN)
{
return dlopen(pFN, RTLD_LAZY);
}
void *_dlsym(void *Hnd, const char *pName)
{
return dlsym(Hnd, pName);
}
int _dlclose(void *Hnd)
{
return dlclose(Hnd);
}
void extendUnoPath(const char *pPath)
{
(void)pPath;
}
#else
#include <windows.h>
#define TARGET_LIB "sofficeapp" ".dll"
#define TARGET_MERGED_LIB "mergedlo" ".dll"
#define SEPERATOR '\\'
#define UNOPATH "\\..\\URE\\bin"
void *_dlopen(const char *pFN)
{
return (void *) LoadLibrary(pFN);
}
void *_dlsym(void *Hnd, const char *pName)
{
return GetProcAddress((HINSTANCE) Hnd, pName);
}
int _dlclose(void *Hnd)
{
return FreeLibrary((HINSTANCE) Hnd);
}
void extendUnoPath(const char *pPath)
{
if (!pPath)
return;
char* sEnvPath = NULL;
DWORD cChars = GetEnvironmentVariable("PATH", sEnvPath, 0);
if (cChars > 0)
{
sEnvPath = new char[cChars];
cChars = GetEnvironmentVariable("PATH", sEnvPath, cChars);
//If PATH is not set then it is no error
if (cChars == 0 && GetLastError() != ERROR_ENVVAR_NOT_FOUND)
{
delete[] sEnvPath;
return;
}
}
//prepare the new PATH. Add the Ure/bin directory at the front.
//note also adding ';'
char * sNewPath = new char[strlen(sEnvPath) + strlen(pPath) + strlen(UNOPATH) + 2];
sNewPath[0] = L'\0';
strcat(sNewPath, pPath);
strcat(sNewPath, UNOPATH);
if (strlen(sEnvPath))
{
strcat(sNewPath, ";");
strcat(sNewPath, sEnvPath);
}
SetEnvironmentVariable("PATH", sNewPath);
delete[] sEnvPath;
delete[] sNewPath;
}
#endif
typedef LibreOfficeKit *(HookFunction)( const char *install_path);
static LibreOfficeKit *lok_init( const char *install_path )
{
char *imp_lib;
size_t partial_length;
void *dlhandle;
HookFunction *pSym;
if (!install_path)
return NULL;
// allocate large enough buffer
partial_length = strlen(install_path);
imp_lib = (char *) malloc(partial_length + sizeof(TARGET_LIB) + sizeof(TARGET_MERGED_LIB) + 2);
if (!imp_lib)
{
fprintf( stderr, "failed to open library : not enough memory\n");
return NULL;
}
strcpy(imp_lib, install_path);
extendUnoPath(install_path);
imp_lib[partial_length++] = SEPERATOR;
strcpy(imp_lib + partial_length, TARGET_LIB);
dlhandle = _dlopen(imp_lib);
if (!dlhandle)
{
strcpy(imp_lib + partial_length, TARGET_MERGED_LIB);
dlhandle = _dlopen(imp_lib);
if (!dlhandle)
{
fprintf(stderr, "failed to open library '%s' or '%s' in '%s/'\n",
TARGET_LIB, TARGET_MERGED_LIB, install_path);
free(imp_lib);
return NULL;
}
}
pSym = (HookFunction *) _dlsym( dlhandle, "libreofficekit_hook" );
if (!pSym)
{
fprintf( stderr, "failed to find hook in library '%s'\n", imp_lib );
_dlclose( dlhandle );
free( imp_lib );
return NULL;
}
free( imp_lib );
return pSym( install_path );
}
#endif // defined(__linux__) || defined(_AIX)
#ifdef __cplusplus
}
#endif
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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