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/* Getopt for Microsoft C |
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This code is a modification of the Free Software Foundation, Inc. |
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Getopt library for parsing command line argument the purpose was |
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to provide a Microsoft Visual C friendly derivative. This code |
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provides functionality for both Unicode and Multibyte builds. |
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|
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Date: 02/03/2011 - Ludvik Jerabek - Initial Release |
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Version: 1.0 |
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Comment: Supports getopt, getopt_long, and getopt_long_only |
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and POSIXLY_CORRECT environment flag |
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License: LGPL |
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|
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Revisions: |
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|
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02/03/2011 - Ludvik Jerabek - Initial Release |
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02/20/2011 - Ludvik Jerabek - Fixed compiler warnings at Level 4 |
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07/05/2011 - Ludvik Jerabek - Added no_argument, required_argument, optional_argument defs |
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08/03/2011 - Ludvik Jerabek - Fixed non-argument runtime bug which caused runtime exception |
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08/09/2011 - Ludvik Jerabek - Added code to export functions for DLL and LIB |
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02/15/2012 - Ludvik Jerabek - Fixed _GETOPT_THROW definition missing in implementation file |
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08/01/2012 - Ludvik Jerabek - Created separate functions for char and wchar_t characters so single dll can do both unicode and ansi |
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|
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**DISCLAIMER** |
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THIS MATERIAL IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, |
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EITHER EXPRESS OR IMPLIED, INCLUDING, BUT Not LIMITED TO, THE |
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IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
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PURPOSE, OR NON-INFRINGEMENT. SOME JURISDICTIONS DO NOT ALLOW THE |
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EXCLUSION OF IMPLIED WARRANTIES, SO THE ABOVE EXCLUSION MAY NOT |
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APPLY TO YOU. IN NO EVENT WILL I BE LIABLE TO ANY PARTY FOR ANY |
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DIRECT, INDIRECT, SPECIAL OR OTHER CONSEQUENTIAL DAMAGES FOR ANY |
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USE OF THIS MATERIAL INCLUDING, WITHOUT LIMITATION, ANY LOST |
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PROFITS, BUSINESS INTERRUPTION, LOSS OF PROGRAMS OR OTHER DATA ON |
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YOUR INFORMATION HANDLING SYSTEM OR OTHERWISE, EVEN If WE ARE |
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EXPRESSLY ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. |
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*/ |
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#ifndef __GETOPT_H_ |
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#define __GETOPT_H_ |
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|
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#ifdef _GETOPT_API |
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#undef _GETOPT_API |
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#endif |
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|
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#if defined(EXPORTS_GETOPT) && defined(STATIC_GETOPT) |
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#error "The preprocessor definitions of EXPORTS_GETOPT and STATIC_GETOPT can only be used individually" |
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#elif defined(STATIC_GETOPT) |
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#pragma message("Warning static builds of getopt violate the Lesser GNU Public License") |
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#define _GETOPT_API |
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#elif defined(EXPORTS_GETOPT) |
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#pragma message("Exporting getopt library") |
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#define _GETOPT_API __declspec(dllexport) |
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#else |
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#pragma message("Importing getopt library") |
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#define _GETOPT_API __declspec(dllimport) |
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#endif |
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|
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|
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#include <string.h> |
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#include <wchar.h> |
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|
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// Standard GNU options |
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#define null_argument 0 /*Argument Null*/ |
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#define no_argument 0 /*Argument Switch Only*/ |
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#define required_argument 1 /*Argument Required*/ |
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#define optional_argument 2 /*Argument Optional*/ |
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|
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// Shorter Versions of options |
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#define ARG_NULL 0 /*Argument Null*/ |
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#define ARG_NONE 0 /*Argument Switch Only*/ |
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#define ARG_REQ 1 /*Argument Required*/ |
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#define ARG_OPT 2 /*Argument Optional*/ |
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|
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// Change behavior for C\C++ |
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#ifdef __cplusplus |
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#define _BEGIN_EXTERN_C extern "C" { |
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#define _END_EXTERN_C } |
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#define _GETOPT_THROW throw() |
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#else |
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#define _BEGIN_EXTERN_C |
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#define _END_EXTERN_C |
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#define _GETOPT_THROW |
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#endif |
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|
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_BEGIN_EXTERN_C |
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|
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extern _GETOPT_API char *optarg_a; |
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extern _GETOPT_API wchar_t *optarg_w; |
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extern _GETOPT_API int optind; |
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extern _GETOPT_API int opterr; |
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extern _GETOPT_API int optopt; |
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|
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// Ansi |
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struct option_a |
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{ |
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const char* name; |
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int has_arg; |
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int *flag; |
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char val; |
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}; |
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|
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// Unicode |
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struct option_w |
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{ |
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const wchar_t* name; |
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int has_arg; |
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int *flag; |
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wchar_t val; |
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}; |
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|
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// Ansi |
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extern _GETOPT_API int getopt_a(int argc, char *const *argv, const char *optstring) _GETOPT_THROW; |
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extern _GETOPT_API int getopt_long_a(int ___argc, char *const *___argv, const char *__shortopts, const struct option_a *__longopts, int *__longind) _GETOPT_THROW; |
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extern _GETOPT_API int getopt_long_only_a(int ___argc, char *const *___argv, const char *__shortopts, const struct option_a *__longopts, int *__longind) _GETOPT_THROW; |
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|
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// Unicode |
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extern _GETOPT_API int getopt_w(int argc, wchar_t *const *argv, const wchar_t *optstring) _GETOPT_THROW; |
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extern _GETOPT_API int getopt_long_w(int ___argc, wchar_t *const *___argv, const wchar_t *__shortopts, const struct option_w *__longopts, int *__longind) _GETOPT_THROW; |
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extern _GETOPT_API int getopt_long_only_w(int ___argc, wchar_t *const *___argv, const wchar_t *__shortopts, const struct option_w *__longopts, int *__longind) _GETOPT_THROW; |
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|
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#ifdef _UNICODE |
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#define getopt getopt_w |
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#define getopt_long getopt_long_w |
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#define getopt_long_only getopt_long_only_w |
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#define option option_w |
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#define optarg optarg_w |
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#else |
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#define getopt getopt_a |
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#define getopt_long getopt_long_a |
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#define getopt_long_only getopt_long_only_a |
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#define option option_a |
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#define optarg optarg_a |
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#endif |
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|
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_END_EXTERN_C |
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|
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// Undefine so the macros are not included |
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#undef _BEGIN_EXTERN_C |
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#undef _END_EXTERN_C |
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#undef _GETOPT_THROW |
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#undef _GETOPT_API |
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|
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#endif // __GETOPT_H_ |
