commonutils.h

/******************************************************************************
 * $Id$
 *
 * Project:  GDAL Utilities
 * Purpose:  Common utility routines
 * Author:   Even Rouault, <even dot rouault at spatialys.com>
 *
 ******************************************************************************
 * Copyright (c) 2011-2012, Even Rouault <even dot rouault at spatialys.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 ****************************************************************************/
 
#ifndef COMMONUTILS_H_INCLUDED
#define COMMONUTILS_H_INCLUDED
 
#include "cpl_port.h"
 
#ifdef __cplusplus
 
#if defined(WIN32) && (defined(_MSC_VER) || defined(SUPPORTS_WMAIN))
 
#include <wchar.h>
#include <stdlib.h>
#include "cpl_conv.h"
#include "cpl_string.h"
 
class ARGVDestroyer
{
    char **m_papszList = nullptr;
    ARGVDestroyer(const ARGVDestroyer &) = delete;
    ARGVDestroyer &operator=(const ARGVDestroyer &) = delete;
 
  public:
    explicit ARGVDestroyer(char **papszList) : m_papszList(papszList)
    {
    }
    ~ARGVDestroyer()
    {
        CSLDestroy(m_papszList);
    }
};
 
extern "C" int wmain(int argc, wchar_t **argv_w, wchar_t ** /* envp */);
 
#define MAIN_START(argc, argv)                                                 \
    extern "C" int wmain(int argc, wchar_t **argv_w, wchar_t ** /* envp */)    \
    {                                                                          \
        char **argv =                                                          \
            static_cast<char **>(CPLCalloc(argc + 1, sizeof(char *)));         \
        for (int i = 0; i < argc; i++)                                         \
        {                                                                      \
            argv[i] =                                                          \
                CPLRecodeFromWChar(argv_w[i], CPL_ENC_UCS2, CPL_ENC_UTF8);     \
        }                                                                      \
        ARGVDestroyer argvDestroyer(argv);
 
#define MAIN_END }
 
#else  // defined(WIN32)
 
#define MAIN_START(argc, argv) int main(int argc, char **argv)
 
#define MAIN_END
 
#endif  // defined(WIN32)
#endif  // defined(__cplusplus)
 
CPL_C_START
 
void CPL_DLL EarlySetConfigOptions(int argc, char **argv);
 
CPL_C_END
 
#ifdef __cplusplus
 
#include "cpl_string.h"
#include <vector>
 
std::vector<CPLString> CPL_DLL GetOutputDriversFor(const char *pszDestFilename,
                                                   int nFlagRasterVector);
CPLString CPL_DLL GetOutputDriverForRaster(const char *pszDestFilename);
 
#endif /* __cplusplus */
 
#endif /* COMMONUTILS_H_INCLUDED */