applications/hydrodynamics/HydroCmd.cpp

/*
  File autogenerated by gengetopt version 2.22
  generated with the following command:
  gengetopt -F HydroCmd 

  The developers of gengetopt consider the fixed text that goes in all
  gengetopt output files to be in the public domain:
  we make no copyright claims on it.
*/

/* If we use autoconf.  */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "getopt.h"

#include "HydroCmd.h"

const char *gengetopt_args_info_purpose = "\n +-----------------------------------------------------------------------+\n |    ____                    __  ___ ____                               |\n |   / __ \\____  ___  ____   /  |/  // __ \\  The Open Molecular Dynamics |\n |  / / / / __ \\/ _ \\/ __ \\ / /|_/ // / / /  Engine (formerly OOPSE).    |\n | / /_/ / /_/ /  __/ / / // /  / // /_/ /                               |\n | \\____/ .___/\\___/_/ /_//_/  /_//_____/    Copyright 2004-2009 by the  |\n |     /_/                                   University of Notre Dame.   |\n |                                                                       |\n |                                           http://www.openmd.net       |\n |                                                                       |\n | OpenMD is an OpenScience project.  All source code is available for   |\n | any use whatsoever under a BSD-style license.                         |\n |                                                                       |\n | Support OpenScience!  If you use OpenMD or its source code in your    |\n | research, please cite the appropriate papers when you publish your    |\n | work.  Good starting points are:                                      |\n |                                                                       |\n | [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).              |\n | [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).           |\n | [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).           |\n | [4]  Vardeman & Gezelter, in progress (2009).                         |\n +-----------------------------------------------------------------------+";

const char *gengetopt_args_info_usage = "Usage: Hydro [OPTIONS]...";

const char *gengetopt_args_info_description = "";

const char *gengetopt_args_info_help[] = {
  "  -h, --help            Print help and exit",
  "  -V, --version         Print version and exit",
  "  -i, --input=filename  input MetaData (md) file",
  "  -o, --output=STRING   output file prefix  (default=`hydro')",
  "      --model=STRING    hydrodynamics model (supports RoughShell and BeadModel)",
  "  -b, --beads           generate the beads only, hydrodynamics will be \n                          performed  (default=off)",
    0
};

typedef enum {ARG_NO
  , ARG_FLAG
  , ARG_STRING
} cmdline_parser_arg_type;

static
void clear_given (struct gengetopt_args_info *args_info);
static
void clear_args (struct gengetopt_args_info *args_info);

static int
cmdline_parser_internal (int argc, char * const *argv, struct gengetopt_args_info *args_info,
                        struct cmdline_parser_params *params, const char *additional_error);

static int
cmdline_parser_required2 (struct gengetopt_args_info *args_info, const char *prog_name, const char *additional_error);

static char *
gengetopt_strdup (const char *s);

static
void clear_given (struct gengetopt_args_info *args_info)
{
  args_info->help_given = 0 ;
  args_info->version_given = 0 ;
  args_info->input_given = 0 ;
  args_info->output_given = 0 ;
  args_info->model_given = 0 ;
  args_info->beads_given = 0 ;
}

static
void clear_args (struct gengetopt_args_info *args_info)
{
  args_info->input_arg = NULL;
  args_info->input_orig = NULL;
  args_info->output_arg = gengetopt_strdup ("hydro");
  args_info->output_orig = NULL;
  args_info->model_arg = NULL;
  args_info->model_orig = NULL;
  args_info->beads_flag = 0;
  
}

static
void init_args_info(struct gengetopt_args_info *args_info)
{


  args_info->help_help = gengetopt_args_info_help[0] ;
  args_info->version_help = gengetopt_args_info_help[1] ;
  args_info->input_help = gengetopt_args_info_help[2] ;
  args_info->output_help = gengetopt_args_info_help[3] ;
  args_info->model_help = gengetopt_args_info_help[4] ;
  args_info->beads_help = gengetopt_args_info_help[5] ;
  
}

void
cmdline_parser_print_version (void)
{
  printf ("%s %s\n", CMDLINE_PARSER_PACKAGE, CMDLINE_PARSER_VERSION);
}

static void print_help_common(void) {
  cmdline_parser_print_version ();

  if (strlen(gengetopt_args_info_purpose) > 0)
    printf("\n%s\n", gengetopt_args_info_purpose);

  if (strlen(gengetopt_args_info_usage) > 0)
    printf("\n%s\n", gengetopt_args_info_usage);

  printf("\n");

  if (strlen(gengetopt_args_info_description) > 0)
    printf("%s\n", gengetopt_args_info_description);
}

void
cmdline_parser_print_help (void)
{
  int i = 0;
  print_help_common();
  while (gengetopt_args_info_help[i])
    printf("%s\n", gengetopt_args_info_help[i++]);
}

void
cmdline_parser_init (struct gengetopt_args_info *args_info)
{
  clear_given (args_info);
  clear_args (args_info);
  init_args_info (args_info);
}

void
cmdline_parser_params_init(struct cmdline_parser_params *params)
{
  if (params)
    { 
      params->override = 0;
      params->initialize = 1;
      params->check_required = 1;
      params->check_ambiguity = 0;
      params->print_errors = 1;
    }
}

struct cmdline_parser_params *
cmdline_parser_params_create(void)
{
  struct cmdline_parser_params *params = 
    (struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
  cmdline_parser_params_init(params);  
  return params;
}

static void
free_string_field (char **s)
{
  if (*s)
    {
      free (*s);
      *s = 0;
    }
}


static void
cmdline_parser_release (struct gengetopt_args_info *args_info)
{

  free_string_field (&(args_info->input_arg));
  free_string_field (&(args_info->input_orig));
  free_string_field (&(args_info->output_arg));
  free_string_field (&(args_info->output_orig));
  free_string_field (&(args_info->model_arg));
  free_string_field (&(args_info->model_orig));
  
  
  clear_given (args_info);
}


static void
write_into_file(FILE *outfile, const char *opt, const char *arg, char *values[])
{
  if (arg) {
    fprintf(outfile, "%s=\"%s\"\n", opt, arg);
  } else {
    fprintf(outfile, "%s\n", opt);
  }
}


int
cmdline_parser_dump(FILE *outfile, struct gengetopt_args_info *args_info)
{
  int i = 0;

  if (!outfile)
    {
      fprintf (stderr, "%s: cannot dump options to stream\n", CMDLINE_PARSER_PACKAGE);
      return EXIT_FAILURE;
    }

  if (args_info->help_given)
    write_into_file(outfile, "help", 0, 0 );
  if (args_info->version_given)
    write_into_file(outfile, "version", 0, 0 );
  if (args_info->input_given)
    write_into_file(outfile, "input", args_info->input_orig, 0);
  if (args_info->output_given)
    write_into_file(outfile, "output", args_info->output_orig, 0);
  if (args_info->model_given)
    write_into_file(outfile, "model", args_info->model_orig, 0);
  if (args_info->beads_given)
    write_into_file(outfile, "beads", 0, 0 );
  

  i = EXIT_SUCCESS;
  return i;
}

int
cmdline_parser_file_save(const char *filename, struct gengetopt_args_info *args_info)
{
  FILE *outfile;
  int i = 0;

  outfile = fopen(filename, "w");

  if (!outfile)
    {
      fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
      return EXIT_FAILURE;
    }

  i = cmdline_parser_dump(outfile, args_info);
  fclose (outfile);

  return i;
}

void
cmdline_parser_free (struct gengetopt_args_info *args_info)
{
  cmdline_parser_release (args_info);
}

/** @brief replacement of strdup, which is not standard */
char *
gengetopt_strdup (const char *s)
{
  char *result = NULL;
  if (!s)
    return result;

  result = (char*)malloc(strlen(s) + 1);
  if (result == (char*)0)
    return (char*)0;
  strcpy(result, s);
  return result;
}

int
cmdline_parser (int argc, char * const *argv, struct gengetopt_args_info *args_info)
{
  return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
}

int
cmdline_parser_ext (int argc, char * const *argv, struct gengetopt_args_info *args_info,
                   struct cmdline_parser_params *params)
{
  int result;
  result = cmdline_parser_internal (argc, argv, args_info, params, NULL);

  if (result == EXIT_FAILURE)
    {
      cmdline_parser_free (args_info);
      exit (EXIT_FAILURE);
    }
  
  return result;
}

int
cmdline_parser2 (int argc, char * const *argv, struct gengetopt_args_info *args_info, int override, int initialize, int check_required)
{
  int result;
  struct cmdline_parser_params params;
  
  params.override = override;
  params.initialize = initialize;
  params.check_required = check_required;
  params.check_ambiguity = 0;
  params.print_errors = 1;

  result = cmdline_parser_internal (argc, argv, args_info, &params, NULL);

  if (result == EXIT_FAILURE)
    {
      cmdline_parser_free (args_info);
      exit (EXIT_FAILURE);
    }
  
  return result;
}

int
cmdline_parser_required (struct gengetopt_args_info *args_info, const char *prog_name)
{
  int result = EXIT_SUCCESS;

  if (cmdline_parser_required2(args_info, prog_name, NULL) > 0)
    result = EXIT_FAILURE;

  if (result == EXIT_FAILURE)
    {
      cmdline_parser_free (args_info);
      exit (EXIT_FAILURE);
    }
  
  return result;
}

int
cmdline_parser_required2 (struct gengetopt_args_info *args_info, const char *prog_name, const char *additional_error)
{
  int error = 0;

  /* checks for required options */
  if (! args_info->input_given)
    {
      fprintf (stderr, "%s: '--input' ('-i') option required%s\n", prog_name, (additional_error ? additional_error : ""));
      error = 1;
    }
  
  if (! args_info->model_given)
    {
      fprintf (stderr, "%s: '--model' option required%s\n", prog_name, (additional_error ? additional_error : ""));
      error = 1;
    }
  
  
  /* checks for dependences among options */

  return error;
}


static char *package_name = 0;

/**
 * @brief updates an option
 * @param field the generic pointer to the field to update
 * @param orig_field the pointer to the orig field
 * @param field_given the pointer to the number of occurrence of this option
 * @param prev_given the pointer to the number of occurrence already seen
 * @param value the argument for this option (if null no arg was specified)
 * @param possible_values the possible values for this option (if specified)
 * @param default_value the default value (in case the option only accepts fixed values)
 * @param arg_type the type of this option
 * @param check_ambiguity @see cmdline_parser_params.check_ambiguity
 * @param override @see cmdline_parser_params.override
 * @param no_free whether to free a possible previous value
 * @param multiple_option whether this is a multiple option
 * @param long_opt the corresponding long option
 * @param short_opt the corresponding short option (or '-' if none)
 * @param additional_error possible further error specification
 */
static
int update_arg(void *field, char **orig_field,
               unsigned int *field_given, unsigned int *prev_given, 
               char *value, char *possible_values[], const char *default_value,
               cmdline_parser_arg_type arg_type,
               int check_ambiguity, int override,
               int no_free, int multiple_option,
               const char *long_opt, char short_opt,
               const char *additional_error)
{
  char *stop_char = 0;
  const char *val = value;
  int found;
  char **string_field;

  stop_char = 0;
  found = 0;

  if (!multiple_option && prev_given && (*prev_given || (check_ambiguity && *field_given)))
    {
      if (short_opt != '-')
        fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n", 
               package_name, long_opt, short_opt,
               (additional_error ? additional_error : ""));
      else
        fprintf (stderr, "%s: `--%s' option given more than once%s\n", 
               package_name, long_opt,
               (additional_error ? additional_error : ""));
      return 1; /* failure */
    }

    
  if (field_given && *field_given && ! override)
    return 0;
  if (prev_given)
    (*prev_given)++;
  if (field_given)
    (*field_given)++;
  if (possible_values)
    val = possible_values[found];

  switch(arg_type) {
  case ARG_FLAG:
    *((int *)field) = !*((int *)field);
    break;
  case ARG_STRING:
    if (val) {
      string_field = (char **)field;
      if (!no_free && *string_field)
        free (*string_field); /* free previous string */
      *string_field = gengetopt_strdup (val);
    }
    break;
  default:
    break;
  };


  /* store the original value */
  switch(arg_type) {
  case ARG_NO:
  case ARG_FLAG:
    break;
  default:
    if (value && orig_field) {
      if (no_free) {
        *orig_field = value;
      } else {
        if (*orig_field)
          free (*orig_field); /* free previous string */
        *orig_field = gengetopt_strdup (value);
      }
    }
  };

  return 0; /* OK */
}


int
cmdline_parser_internal (int argc, char * const *argv, struct gengetopt_args_info *args_info,
                        struct cmdline_parser_params *params, const char *additional_error)
{
  int c;        /* Character of the parsed option.  */

  int error = 0;
  struct gengetopt_args_info local_args_info;
  
  int override;
  int initialize;
  int check_required;
  int check_ambiguity;
  
  package_name = argv[0];
  
  override = params->override;
  initialize = params->initialize;
  check_required = params->check_required;
  check_ambiguity = params->check_ambiguity;

  if (initialize)
    cmdline_parser_init (args_info);

  cmdline_parser_init (&local_args_info);

  optarg = 0;
  optind = 0;
  opterr = params->print_errors;
  optopt = '?';

  while (1)
    {
      int option_index = 0;

      static struct option long_options[] = {
        { "help",       0, NULL, 'h' },
        { "version",    0, NULL, 'V' },
        { "input",      1, NULL, 'i' },
        { "output",     1, NULL, 'o' },
        { "model",      1, NULL, 0 },
        { "beads",      0, NULL, 'b' },
        { NULL, 0, NULL, 0 }
      };

      c = getopt_long (argc, argv, "hVi:o:b", long_options, &option_index);

      if (c == -1) break;       /* Exit from `while (1)' loop.  */

      switch (c)
        {
        case 'h':       /* Print help and exit.  */
          cmdline_parser_print_help ();
          cmdline_parser_free (&local_args_info);
          exit (EXIT_SUCCESS);

        case 'V':       /* Print version and exit.  */
          cmdline_parser_print_version ();
          cmdline_parser_free (&local_args_info);
          exit (EXIT_SUCCESS);

        case 'i':       /* input MetaData (md) file.  */
        
        
          if (update_arg( (void *)&(args_info->input_arg), 
               &(args_info->input_orig), &(args_info->input_given),
              &(local_args_info.input_given), optarg, 0, 0, ARG_STRING,
              check_ambiguity, override, 0, 0,
              "input", 'i',
              additional_error))
            goto failure;
        
          break;
        case 'o':       /* output file prefix.  */
        
        
          if (update_arg( (void *)&(args_info->output_arg), 
               &(args_info->output_orig), &(args_info->output_given),
              &(local_args_info.output_given), optarg, 0, "hydro", ARG_STRING,
              check_ambiguity, override, 0, 0,
              "output", 'o',
              additional_error))
            goto failure;
        
          break;
        case 'b':       /* generate the beads only, hydrodynamics will be performed.  */
        
        
          if (update_arg((void *)&(args_info->beads_flag), 0, &(args_info->beads_given),
              &(local_args_info.beads_given), optarg, 0, 0, ARG_FLAG,
              check_ambiguity, override, 1, 0, "beads", 'b',
              additional_error))
            goto failure;
        
          break;

        case 0: /* Long option with no short option */
          /* hydrodynamics model (supports RoughShell and BeadModel).  */
          if (strcmp (long_options[option_index].name, "model") == 0)
          {
          
          
            if (update_arg( (void *)&(args_info->model_arg), 
                 &(args_info->model_orig), &(args_info->model_given),
                &(local_args_info.model_given), optarg, 0, 0, ARG_STRING,
                check_ambiguity, override, 0, 0,
                "model", '-',
                additional_error))
              goto failure;
          
          }
          
          break;
        case '?':       /* Invalid option.  */
          /* `getopt_long' already printed an error message.  */
          goto failure;

        default:        /* bug: option not considered.  */
          fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
          abort ();
        } /* switch */
    } /* while */


  if (check_required)
    {
      error += cmdline_parser_required2 (args_info, argv[0], additional_error);
    }

  cmdline_parser_release (&local_args_info);

  if ( error )
    return (EXIT_FAILURE);

  return 0;

failure:
  
  cmdline_parser_release (&local_args_info);
  return (EXIT_FAILURE);
}
Revision:	1465
Committed:	Fri Jul 9 23:08:25 2010 UTC (14 years, 9 months ago) by chuckv
Content type:	text/plain
Original Path:	*branches/development/src/applications/hydrodynamics/HydroCmd.c*
File size:	17310 byte(s)
Log Message:	Creating busticated version of OpenMD
#	User	Rev	Content
1	tim	891	/*
2	gezelter	1390	File autogenerated by gengetopt version 2.22
3	tim	891	generated with the following command:
4	gezelter	938	gengetopt -F HydroCmd
5	tim	891
6			The developers of gengetopt consider the fixed text that goes in all
7			gengetopt output files to be in the public domain:
8			we make no copyright claims on it.
9			*/
10
11	gezelter	938	/* If we use autoconf. */
12			#ifdef HAVE_CONFIG_H
13			#include "config.h"
14			#endif
15	tim	891
16			#include <stdio.h>
17			#include <stdlib.h>
18			#include <string.h>
19
20			#include "getopt.h"
21
22			#include "HydroCmd.h"
23
24	gezelter	1390	const char *gengetopt_args_info_purpose = "\n +-----------------------------------------------------------------------+\n \| ____ __ ___ ____ \|\n \| / __ \\____ ___ ____ / \|/ // __ \\ The Open Molecular Dynamics \|\n \| / / / / __ \\/ _ \\/ __ \\ / /\|_/ // / / / Engine (formerly OOPSE). \|\n \| / /_/ / /_/ / __/ / / // / / // /_/ / \|\n \| \\____/ .___/\\___/_/ /_//_/ /_//_____/ Copyright 2004-2009 by the \|\n \| /_/ University of Notre Dame. \|\n \| \|\n \| http://www.openmd.net \|\n \| \|\n \| OpenMD is an OpenScience project. All source code is available for \|\n \| any use whatsoever under a BSD-style license. \|\n \| \|\n \| Support OpenScience! If you use OpenMD or its source code in your \|\n \| research, please cite the appropriate papers when you publish your \|\n \| work. Good starting points are: \|\n \| \|\n \| [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). \|\n \| [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). \|\n \| [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). \|\n \| [4] Vardeman & Gezelter, in progress (2009). \|\n +-----------------------------------------------------------------------+";
25
26			const char *gengetopt_args_info_usage = "Usage: Hydro [OPTIONS]...";
27
28			const char *gengetopt_args_info_description = "";
29
30			const char *gengetopt_args_info_help[] = {
31			" -h, --help Print help and exit",
32			" -V, --version Print version and exit",
33			" -i, --input=filename input MetaData (md) file",
34			" -o, --output=STRING output file prefix (default=`hydro')",
35			" --model=STRING hydrodynamics model (supports RoughShell and BeadModel)",
36			" -b, --beads generate the beads only, hydrodynamics will be \n performed (default=off)",
37			0
38			};
39
40			typedef enum {ARG_NO
41			, ARG_FLAG
42			, ARG_STRING
43			} cmdline_parser_arg_type;
44
45	gezelter	938	static
46			void clear_given (struct gengetopt_args_info *args_info);
47			static
48			void clear_args (struct gengetopt_args_info *args_info);
49
50			static int
51	gezelter	1390	cmdline_parser_internal (int argc, char * const argv, struct gengetopt_args_info args_info,
52			struct cmdline_parser_params params, const char additional_error);
53	gezelter	938
54			static int
55			cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error);
56
57			static char *
58			gengetopt_strdup (const char *s);
59
60			static
61			void clear_given (struct gengetopt_args_info *args_info)
62			{
63			args_info->help_given = 0 ;
64			args_info->version_given = 0 ;
65			args_info->input_given = 0 ;
66			args_info->output_given = 0 ;
67			args_info->model_given = 0 ;
68			args_info->beads_given = 0 ;
69			}
70
71			static
72			void clear_args (struct gengetopt_args_info *args_info)
73			{
74			args_info->input_arg = NULL;
75			args_info->input_orig = NULL;
76			args_info->output_arg = gengetopt_strdup ("hydro");
77			args_info->output_orig = NULL;
78			args_info->model_arg = NULL;
79			args_info->model_orig = NULL;
80			args_info->beads_flag = 0;
81
82			}
83
84	gezelter	1390	static
85			void init_args_info(struct gengetopt_args_info *args_info)
86			{
87
88
89			args_info->help_help = gengetopt_args_info_help[0] ;
90			args_info->version_help = gengetopt_args_info_help[1] ;
91			args_info->input_help = gengetopt_args_info_help[2] ;
92			args_info->output_help = gengetopt_args_info_help[3] ;
93			args_info->model_help = gengetopt_args_info_help[4] ;
94			args_info->beads_help = gengetopt_args_info_help[5] ;
95
96			}
97
98	tim	891	void
99			cmdline_parser_print_version (void)
100			{
101			printf ("%s %s\n", CMDLINE_PARSER_PACKAGE, CMDLINE_PARSER_VERSION);
102			}
103
104	gezelter	1390	static void print_help_common(void) {
105			cmdline_parser_print_version ();
106
107			if (strlen(gengetopt_args_info_purpose) > 0)
108			printf("\n%s\n", gengetopt_args_info_purpose);
109
110			if (strlen(gengetopt_args_info_usage) > 0)
111			printf("\n%s\n", gengetopt_args_info_usage);
112
113			printf("\n");
114
115			if (strlen(gengetopt_args_info_description) > 0)
116			printf("%s\n", gengetopt_args_info_description);
117			}
118
119	tim	891	void
120			cmdline_parser_print_help (void)
121			{
122	gezelter	1390	int i = 0;
123			print_help_common();
124			while (gengetopt_args_info_help[i])
125			printf("%s\n", gengetopt_args_info_help[i++]);
126	tim	891	}
127
128	gezelter	938	void
129			cmdline_parser_init (struct gengetopt_args_info *args_info)
130			{
131			clear_given (args_info);
132			clear_args (args_info);
133	gezelter	1390	init_args_info (args_info);
134	gezelter	938	}
135	tim	891
136	gezelter	1390	void
137			cmdline_parser_params_init(struct cmdline_parser_params *params)
138			{
139			if (params)
140			{
141			params->override = 0;
142			params->initialize = 1;
143			params->check_required = 1;
144			params->check_ambiguity = 0;
145			params->print_errors = 1;
146			}
147			}
148
149			struct cmdline_parser_params *
150			cmdline_parser_params_create(void)
151			{
152			struct cmdline_parser_params *params =
153			(struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
154			cmdline_parser_params_init(params);
155			return params;
156			}
157
158	gezelter	938	static void
159	gezelter	1390	free_string_field (char **s)
160			{
161			if (*s)
162			{
163			free (*s);
164			*s = 0;
165			}
166			}
167
168
169			static void
170	gezelter	938	cmdline_parser_release (struct gengetopt_args_info *args_info)
171			{
172	gezelter	1390
173			free_string_field (&(args_info->input_arg));
174			free_string_field (&(args_info->input_orig));
175			free_string_field (&(args_info->output_arg));
176			free_string_field (&(args_info->output_orig));
177			free_string_field (&(args_info->model_arg));
178			free_string_field (&(args_info->model_orig));
179	gezelter	938
180	gezelter	1390
181
182			clear_given (args_info);
183			}
184
185
186			static void
187			write_into_file(FILE outfile, const char opt, const char arg, char values[])
188			{
189			if (arg) {
190			fprintf(outfile, "%s=\"%s\"\n", opt, arg);
191			} else {
192			fprintf(outfile, "%s\n", opt);
193			}
194			}
195
196
197			int
198			cmdline_parser_dump(FILE outfile, struct gengetopt_args_info args_info)
199			{
200			int i = 0;
201
202			if (!outfile)
203	gezelter	938	{
204	gezelter	1390	fprintf (stderr, "%s: cannot dump options to stream\n", CMDLINE_PARSER_PACKAGE);
205			return EXIT_FAILURE;
206	gezelter	938	}
207	gezelter	1390
208			if (args_info->help_given)
209			write_into_file(outfile, "help", 0, 0 );
210			if (args_info->version_given)
211			write_into_file(outfile, "version", 0, 0 );
212			if (args_info->input_given)
213			write_into_file(outfile, "input", args_info->input_orig, 0);
214			if (args_info->output_given)
215			write_into_file(outfile, "output", args_info->output_orig, 0);
216			if (args_info->model_given)
217			write_into_file(outfile, "model", args_info->model_orig, 0);
218			if (args_info->beads_given)
219			write_into_file(outfile, "beads", 0, 0 );
220	gezelter	938
221	gezelter	1390
222			i = EXIT_SUCCESS;
223			return i;
224	gezelter	938	}
225	tim	891
226	gezelter	938	int
227			cmdline_parser_file_save(const char filename, struct gengetopt_args_info args_info)
228			{
229			FILE *outfile;
230			int i = 0;
231
232			outfile = fopen(filename, "w");
233
234			if (!outfile)
235			{
236			fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
237			return EXIT_FAILURE;
238			}
239
240	gezelter	1390	i = cmdline_parser_dump(outfile, args_info);
241	gezelter	938	fclose (outfile);
242
243			return i;
244			}
245
246			void
247			cmdline_parser_free (struct gengetopt_args_info *args_info)
248			{
249			cmdline_parser_release (args_info);
250			}
251
252	gezelter	1390	/** @brief replacement of strdup, which is not standard */
253	tim	891	char *
254			gengetopt_strdup (const char *s)
255			{
256	gezelter	938	char *result = NULL;
257			if (!s)
258			return result;
259
260			result = (char*)malloc(strlen(s) + 1);
261	tim	891	if (result == (char*)0)
262			return (char*)0;
263			strcpy(result, s);
264			return result;
265			}
266
267			int
268			cmdline_parser (int argc, char * const argv, struct gengetopt_args_info args_info)
269			{
270	gezelter	938	return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
271			}
272	tim	891
273	gezelter	938	int
274	gezelter	1390	cmdline_parser_ext (int argc, char * const argv, struct gengetopt_args_info args_info,
275			struct cmdline_parser_params *params)
276			{
277			int result;
278			result = cmdline_parser_internal (argc, argv, args_info, params, NULL);
279
280			if (result == EXIT_FAILURE)
281			{
282			cmdline_parser_free (args_info);
283			exit (EXIT_FAILURE);
284			}
285
286			return result;
287			}
288
289			int
290	gezelter	938	cmdline_parser2 (int argc, char * const argv, struct gengetopt_args_info args_info, int override, int initialize, int check_required)
291			{
292			int result;
293	gezelter	1390	struct cmdline_parser_params params;
294
295			params.override = override;
296			params.initialize = initialize;
297			params.check_required = check_required;
298			params.check_ambiguity = 0;
299			params.print_errors = 1;
300	gezelter	938
301	gezelter	1390	result = cmdline_parser_internal (argc, argv, args_info, &params, NULL);
302	gezelter	938
303			if (result == EXIT_FAILURE)
304			{
305			cmdline_parser_free (args_info);
306			exit (EXIT_FAILURE);
307			}
308
309			return result;
310	tim	891	}
311
312	gezelter	938	int
313			cmdline_parser_required (struct gengetopt_args_info args_info, const char prog_name)
314			{
315			int result = EXIT_SUCCESS;
316	tim	891
317	gezelter	938	if (cmdline_parser_required2(args_info, prog_name, NULL) > 0)
318			result = EXIT_FAILURE;
319
320			if (result == EXIT_FAILURE)
321			{
322			cmdline_parser_free (args_info);
323			exit (EXIT_FAILURE);
324			}
325
326			return result;
327			}
328
329			int
330			cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error)
331			{
332			int error = 0;
333
334	gezelter	1390	/* checks for required options */
335	gezelter	938	if (! args_info->input_given)
336			{
337			fprintf (stderr, "%s: '--input' ('-i') option required%s\n", prog_name, (additional_error ? additional_error : ""));
338			error = 1;
339			}
340	gezelter	1390
341	gezelter	938	if (! args_info->model_given)
342			{
343			fprintf (stderr, "%s: '--model' option required%s\n", prog_name, (additional_error ? additional_error : ""));
344			error = 1;
345			}
346	gezelter	1390
347
348			/* checks for dependences among options */
349	gezelter	938
350			return error;
351			}
352
353	gezelter	1390
354			static char *package_name = 0;
355
356			/**
357			* @brief updates an option
358			* @param field the generic pointer to the field to update
359			* @param orig_field the pointer to the orig field
360			* @param field_given the pointer to the number of occurrence of this option
361			* @param prev_given the pointer to the number of occurrence already seen
362			* @param value the argument for this option (if null no arg was specified)
363			* @param possible_values the possible values for this option (if specified)
364			* @param default_value the default value (in case the option only accepts fixed values)
365			* @param arg_type the type of this option
366			* @param check_ambiguity @see cmdline_parser_params.check_ambiguity
367			* @param override @see cmdline_parser_params.override
368			* @param no_free whether to free a possible previous value
369			* @param multiple_option whether this is a multiple option
370			* @param long_opt the corresponding long option
371			* @param short_opt the corresponding short option (or '-' if none)
372			* @param additional_error possible further error specification
373			*/
374			static
375			int update_arg(void field, char *orig_field,
376			unsigned int field_given, unsigned int prev_given,
377			char value, char possible_values[], const char *default_value,
378			cmdline_parser_arg_type arg_type,
379			int check_ambiguity, int override,
380			int no_free, int multiple_option,
381			const char *long_opt, char short_opt,
382			const char *additional_error)
383			{
384			char *stop_char = 0;
385			const char *val = value;
386			int found;
387			char **string_field;
388
389			stop_char = 0;
390			found = 0;
391
392			if (!multiple_option && prev_given && (prev_given \|\| (check_ambiguity && field_given)))
393			{
394			if (short_opt != '-')
395			fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n",
396			package_name, long_opt, short_opt,
397			(additional_error ? additional_error : ""));
398			else
399			fprintf (stderr, "%s: `--%s' option given more than once%s\n",
400			package_name, long_opt,
401			(additional_error ? additional_error : ""));
402			return 1; /* failure */
403			}
404
405
406			if (field_given && *field_given && ! override)
407			return 0;
408			if (prev_given)
409			(*prev_given)++;
410			if (field_given)
411			(*field_given)++;
412			if (possible_values)
413			val = possible_values[found];
414
415			switch(arg_type) {
416			case ARG_FLAG:
417			((int )field) = !((int )field);
418			break;
419			case ARG_STRING:
420			if (val) {
421			string_field = (char **)field;
422			if (!no_free && *string_field)
423			free (string_field); / free previous string */
424			*string_field = gengetopt_strdup (val);
425			}
426			break;
427			default:
428			break;
429			};
430
431
432			/* store the original value */
433			switch(arg_type) {
434			case ARG_NO:
435			case ARG_FLAG:
436			break;
437			default:
438			if (value && orig_field) {
439			if (no_free) {
440			*orig_field = value;
441			} else {
442			if (*orig_field)
443			free (orig_field); / free previous string */
444			*orig_field = gengetopt_strdup (value);
445			}
446			}
447			};
448
449			return 0; /* OK */
450			}
451
452
453	gezelter	938	int
454	gezelter	1390	cmdline_parser_internal (int argc, char * const argv, struct gengetopt_args_info args_info,
455			struct cmdline_parser_params params, const char additional_error)
456	gezelter	938	{
457			int c; /* Character of the parsed option. */
458
459			int error = 0;
460			struct gengetopt_args_info local_args_info;
461	gezelter	1390
462			int override;
463			int initialize;
464			int check_required;
465			int check_ambiguity;
466
467			package_name = argv[0];
468
469			override = params->override;
470			initialize = params->initialize;
471			check_required = params->check_required;
472			check_ambiguity = params->check_ambiguity;
473	gezelter	938
474			if (initialize)
475			cmdline_parser_init (args_info);
476
477			cmdline_parser_init (&local_args_info);
478
479	tim	891	optarg = 0;
480	gezelter	938	optind = 0;
481	gezelter	1390	opterr = params->print_errors;
482	tim	891	optopt = '?';
483
484			while (1)
485			{
486			int option_index = 0;
487
488			static struct option long_options[] = {
489			{ "help", 0, NULL, 'h' },
490			{ "version", 0, NULL, 'V' },
491			{ "input", 1, NULL, 'i' },
492			{ "output", 1, NULL, 'o' },
493			{ "model", 1, NULL, 0 },
494	tim	921	{ "beads", 0, NULL, 'b' },
495	tim	891	{ NULL, 0, NULL, 0 }
496			};
497
498	tim	921	c = getopt_long (argc, argv, "hVi:o:b", long_options, &option_index);
499	tim	891
500			if (c == -1) break; /* Exit from `while (1)' loop. */
501
502			switch (c)
503			{
504			case 'h': /* Print help and exit. */
505			cmdline_parser_print_help ();
506	gezelter	938	cmdline_parser_free (&local_args_info);
507	tim	891	exit (EXIT_SUCCESS);
508
509			case 'V': /* Print version and exit. */
510			cmdline_parser_print_version ();
511	gezelter	938	cmdline_parser_free (&local_args_info);
512	tim	891	exit (EXIT_SUCCESS);
513
514	xsun	1177	case 'i': /* input MetaData (md) file. */
515	gezelter	1390
516
517			if (update_arg( (void *)&(args_info->input_arg),
518			&(args_info->input_orig), &(args_info->input_given),
519			&(local_args_info.input_given), optarg, 0, 0, ARG_STRING,
520			check_ambiguity, override, 0, 0,
521			"input", 'i',
522			additional_error))
523			goto failure;
524
525	tim	891	break;
526			case 'o': /* output file prefix. */
527	gezelter	1390
528
529			if (update_arg( (void *)&(args_info->output_arg),
530			&(args_info->output_orig), &(args_info->output_given),
531			&(local_args_info.output_given), optarg, 0, "hydro", ARG_STRING,
532			check_ambiguity, override, 0, 0,
533			"output", 'o',
534			additional_error))
535			goto failure;
536
537	tim	891	break;
538	tim	921	case 'b': /* generate the beads only, hydrodynamics will be performed. */
539	gezelter	1390
540
541			if (update_arg((void *)&(args_info->beads_flag), 0, &(args_info->beads_given),
542			&(local_args_info.beads_given), optarg, 0, 0, ARG_FLAG,
543			check_ambiguity, override, 1, 0, "beads", 'b',
544			additional_error))
545			goto failure;
546
547	tim	921	break;
548	tim	891
549			case 0: /* Long option with no short option */
550	xsun	1177	/* hydrodynamics model (supports RoughShell and BeadModel). */
551	tim	906	if (strcmp (long_options[option_index].name, "model") == 0)
552	tim	891	{
553	gezelter	1390
554
555			if (update_arg( (void *)&(args_info->model_arg),
556			&(args_info->model_orig), &(args_info->model_given),
557			&(local_args_info.model_given), optarg, 0, 0, ARG_STRING,
558			check_ambiguity, override, 0, 0,
559			"model", '-',
560			additional_error))
561			goto failure;
562
563	tim	891	}
564
565	gezelter	938	break;
566	tim	891	case '?': /* Invalid option. */
567			/* `getopt_long' already printed an error message. */
568	gezelter	938	goto failure;
569	tim	891
570			default: /* bug: option not considered. */
571	gezelter	938	fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
572	tim	891	abort ();
573			} /* switch */
574			} /* while */
575
576
577	gezelter	938
578			if (check_required)
579	tim	891	{
580	gezelter	938	error += cmdline_parser_required2 (args_info, argv[0], additional_error);
581	tim	891	}
582
583	gezelter	938	cmdline_parser_release (&local_args_info);
584
585			if ( error )
586	xsun	1177	return (EXIT_FAILURE);
587	gezelter	938
588	tim	891	return 0;
589	gezelter	938
590			failure:
591
592			cmdline_parser_release (&local_args_info);
593			return (EXIT_FAILURE);
594	tim	891	}