GDAL
commonutils.h
1 /******************************************************************************
2  * $Id: commonutils.h 9bdd970e68dc2f9974afd1994c414e449acedcae 2020-11-20 14:09:34 +0100 Even Rouault $
3  *
4  * Project: GDAL Utilities
5  * Purpose: Common utility routines
6  * Author: Even Rouault, <even dot rouault at spatialys.com>
7  *
8  ******************************************************************************
9  * Copyright (c) 2011-2012, Even Rouault <even dot rouault at spatialys.com>
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice shall be included
19  * in all copies or substantial portions of the Software.
20  *
21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27  * DEALINGS IN THE SOFTWARE.
28  ****************************************************************************/
29 
30 #ifndef COMMONUTILS_H_INCLUDED
31 #define COMMONUTILS_H_INCLUDED
32 
33 #include "cpl_port.h"
34 
35 #ifdef __cplusplus
36 
37 #if defined(WIN32) && (defined(_MSC_VER) || defined(SUPPORTS_WMAIN))
38 
39 #include <wchar.h>
40 #include <stdlib.h>
41 #include "cpl_conv.h"
42 #include "cpl_string.h"
43 
44 class ARGVDestroyer
45 {
46  char** m_papszList = nullptr;
47  ARGVDestroyer(const ARGVDestroyer&) = delete;
48  ARGVDestroyer& operator= (const ARGVDestroyer&) = delete;
49 
50  public:
51  explicit ARGVDestroyer(char** papszList) : m_papszList(papszList) {}
52  ~ARGVDestroyer() { CSLDestroy(m_papszList); }
53 };
54 
55 extern "C" int wmain( int argc, wchar_t ** argv_w, wchar_t ** /* envp */ );
56 
57 #define MAIN_START(argc, argv) \
58  extern "C" \
59  int wmain( int argc, wchar_t ** argv_w, wchar_t ** /* envp */ ) \
60  { \
61  char **argv = static_cast<char**>(CPLCalloc(argc + 1, sizeof(char*))); \
62  for( int i = 0; i < argc; i++ ) \
63  { \
64  argv[i] = CPLRecodeFromWChar( argv_w[i], CPL_ENC_UCS2, CPL_ENC_UTF8 ); \
65  } \
66  ARGVDestroyer argvDestroyer(argv);
67 
68 #define MAIN_END }
69 
70 #else // defined(WIN32)
71 
72 #define MAIN_START(argc, argv) \
73  int main( int argc, char ** argv )
74 
75 #define MAIN_END
76 
77 #endif // defined(WIN32)
78 #endif // defined(__cplusplus)
79 
80 
82 
83 void CPL_DLL EarlySetConfigOptions( int argc, char ** argv );
84 
86 
87 #ifdef __cplusplus
88 
89 #include "cpl_string.h"
90 #include <vector>
91 
92 std::vector<CPLString> CPL_DLL GetOutputDriversFor(const char* pszDestFilename,
93  int nFlagRasterVector);
94 CPLString CPL_DLL GetOutputDriverForRaster(const char* pszDestFilename);
95 
96 #endif /* __cplusplus */
97 
98 #endif /* COMMONUTILS_H_INCLUDED */
Convenient string class based on std::string.
Definition: cpl_string.h:333
Various convenience functions for CPL.
Core portability definitions for CPL.
#define CPL_C_END
Macro to end a block of C symbols.
Definition: cpl_port.h:331
#define CPL_C_START
Macro to start a block of C symbols.
Definition: cpl_port.h:329
Various convenience functions for working with strings and string lists.
void CSLDestroy(char **papszStrList)
Free string list.
Definition: cpl_string.cpp:202