applications/hydrodynamics/HydroCmd.cpp

/*
  File autogenerated by gengetopt version 2.22.4
  generated with the following command:
  gengetopt --file-name=HydroCmd --unamed-opts 

  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>

#ifndef FIX_UNUSED
#define FIX_UNUSED(X) (void) (X) /* avoid warnings for unused params */
#endif

#ifdef WIN32
#include "utils/wingetopt.h"
#else
#include <getopt.h>
#endif

#include "HydroCmd.h"

const char *gengetopt_args_info_purpose = "\n+--------------------------------------------------------------------------+\n|    ____                    __  ___ ____                                  |\n|   / __ \\____  ___  ____   /  |/  // __ \\  The Open Molecular Dynamics    |\n|  / / / / __ \\/ _ \\/ __ \\ / /|_/ // / / /  Engine (formerly OOPSE).       |\n| / /_/ / /_/ /  __/ / / // /  / // /_/ /                                  |\n| \\____/ .___/\\___/_/ /_//_/  /_//_____/    Copyright 2004-2013 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, 234107 (2008).              |\n| [4] Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).                |\n| [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). |\n| [6] Kuang & Gezelter, Mol. Phys., 110, 691-701 (2012).                   |\n+--------------------------------------------------------------------------+";

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

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 **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)
{
  FIX_UNUSED (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",
     (strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME : 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\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);

  args_info->inputs = 0;
  args_info->inputs_num = 0;
}

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)
{
  unsigned int i;
  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));
  
  
  for (i = 0; i < args_info->inputs_num; ++i)
    free (args_info->inputs [i]);

  if (args_info->inputs_num)
    free (args_info->inputs);

  clear_given (args_info);
}


static void
write_into_file(FILE *outfile, const char *opt, const char *arg, const char *values[])
{
  FIX_UNUSED (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 = 0;
  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 **argv, struct gengetopt_args_info *args_info)
{
  return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
}

int
cmdline_parser_ext (int argc, char **argv, struct gengetopt_args_info *args_info,
                   struct cmdline_parser_params *params)
{
  int result;
  result = cmdline_parser_internal (argc, argv, args_info, params, 0);

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

int
cmdline_parser2 (int argc, char **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, 0);

  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, 0) > 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;
  FIX_UNUSED (additional_error);

  /* 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, const 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;
  FIX_UNUSED (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 */
    }

  FIX_UNUSED (default_value);
    
  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 **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' },
        { 0,  0, 0, 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);

  if (optind < argc)
    {
      int i = 0 ;
      int found_prog_name = 0;
      /* whether program name, i.e., argv[0], is in the remaining args
         (this may happen with some implementations of getopt,
          but surely not with the one included by gengetopt) */

      i = optind;
      while (i < argc)
        if (argv[i++] == argv[0]) {
          found_prog_name = 1;
          break;
        }
      i = 0;

      args_info->inputs_num = argc - optind - found_prog_name;
      args_info->inputs =
        (char **)(malloc ((args_info->inputs_num)*sizeof(char *))) ;
      while (optind < argc)
        if (argv[optind++] != argv[0])
          args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
    }

  return 0;

failure:
  
  cmdline_parser_release (&local_args_info);
  return (EXIT_FAILURE);
}
Revision:	1851
Committed:	Wed Feb 20 15:46:34 2013 UTC (12 years, 2 months ago) by gezelter
File size:	18835 byte(s)
Log Message:	Space typos
#	Content
1	/*
2	File autogenerated by gengetopt version 2.22.4
3	generated with the following command:
4	gengetopt --file-name=HydroCmd --unamed-opts
5
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	/* If we use autoconf. */
12	#ifdef HAVE_CONFIG_H
13	#include "config.h"
14	#endif
15
16	#include <stdio.h>
17	#include <stdlib.h>
18	#include <string.h>
19
20	#ifndef FIX_UNUSED
21	#define FIX_UNUSED(X) (void) (X) /* avoid warnings for unused params */
22	#endif
23
24	#ifdef WIN32
25	#include "utils/wingetopt.h"
26	#else
27	#include <getopt.h>
28	#endif
29
30	#include "HydroCmd.h"
31
32	const char *gengetopt_args_info_purpose = "\n+--------------------------------------------------------------------------+\n\| ____ __ ___ ____ \|\n\| / __ \\____ ___ ____ / \|/ // __ \\ The Open Molecular Dynamics \|\n\| / / / / __ \\/ _ \\/ __ \\ / /\|_/ // / / / Engine (formerly OOPSE). \|\n\| / /_/ / /_/ / __/ / / // / / // /_/ / \|\n\| \\____/ .___/\\___/_/ /_//_/ /_//_____/ Copyright 2004-2013 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, 234107 (2008). \|\n\| [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). \|\n\| [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). \|\n\| [6] Kuang & Gezelter, Mol. Phys., 110, 691-701 (2012). \|\n+--------------------------------------------------------------------------+";
33
34	const char *gengetopt_args_info_usage = "Usage: Hydro [OPTIONS]... [FILES]...";
35
36	const char *gengetopt_args_info_description = "";
37
38	const char *gengetopt_args_info_help[] = {
39	" -h, --help Print help and exit",
40	" -V, --version Print version and exit",
41	" -i, --input=filename input MetaData (md) file",
42	" -o, --output=STRING output file prefix (default=`hydro')",
43	" --model=STRING hydrodynamics model (supports RoughShell and BeadModel)",
44	" -b, --beads generate the beads only, hydrodynamics will be \n performed (default=off)",
45	0
46	};
47
48	typedef enum {ARG_NO
49	, ARG_FLAG
50	, ARG_STRING
51	} cmdline_parser_arg_type;
52
53	static
54	void clear_given (struct gengetopt_args_info *args_info);
55	static
56	void clear_args (struct gengetopt_args_info *args_info);
57
58	static int
59	cmdline_parser_internal (int argc, char *argv, struct gengetopt_args_info args_info,
60	struct cmdline_parser_params params, const char additional_error);
61
62	static int
63	cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error);
64
65	static char *
66	gengetopt_strdup (const char *s);
67
68	static
69	void clear_given (struct gengetopt_args_info *args_info)
70	{
71	args_info->help_given = 0 ;
72	args_info->version_given = 0 ;
73	args_info->input_given = 0 ;
74	args_info->output_given = 0 ;
75	args_info->model_given = 0 ;
76	args_info->beads_given = 0 ;
77	}
78
79	static
80	void clear_args (struct gengetopt_args_info *args_info)
81	{
82	FIX_UNUSED (args_info);
83	args_info->input_arg = NULL;
84	args_info->input_orig = NULL;
85	args_info->output_arg = gengetopt_strdup ("hydro");
86	args_info->output_orig = NULL;
87	args_info->model_arg = NULL;
88	args_info->model_orig = NULL;
89	args_info->beads_flag = 0;
90
91	}
92
93	static
94	void init_args_info(struct gengetopt_args_info *args_info)
95	{
96
97
98	args_info->help_help = gengetopt_args_info_help[0] ;
99	args_info->version_help = gengetopt_args_info_help[1] ;
100	args_info->input_help = gengetopt_args_info_help[2] ;
101	args_info->output_help = gengetopt_args_info_help[3] ;
102	args_info->model_help = gengetopt_args_info_help[4] ;
103	args_info->beads_help = gengetopt_args_info_help[5] ;
104
105	}
106
107	void
108	cmdline_parser_print_version (void)
109	{
110	printf ("%s %s\n",
111	(strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME : CMDLINE_PARSER_PACKAGE),
112	CMDLINE_PARSER_VERSION);
113	}
114
115	static void print_help_common(void) {
116	cmdline_parser_print_version ();
117
118	if (strlen(gengetopt_args_info_purpose) > 0)
119	printf("\n%s\n", gengetopt_args_info_purpose);
120
121	if (strlen(gengetopt_args_info_usage) > 0)
122	printf("\n%s\n", gengetopt_args_info_usage);
123
124	printf("\n");
125
126	if (strlen(gengetopt_args_info_description) > 0)
127	printf("%s\n\n", gengetopt_args_info_description);
128	}
129
130	void
131	cmdline_parser_print_help (void)
132	{
133	int i = 0;
134	print_help_common();
135	while (gengetopt_args_info_help[i])
136	printf("%s\n", gengetopt_args_info_help[i++]);
137	}
138
139	void
140	cmdline_parser_init (struct gengetopt_args_info *args_info)
141	{
142	clear_given (args_info);
143	clear_args (args_info);
144	init_args_info (args_info);
145
146	args_info->inputs = 0;
147	args_info->inputs_num = 0;
148	}
149
150	void
151	cmdline_parser_params_init(struct cmdline_parser_params *params)
152	{
153	if (params)
154	{
155	params->override = 0;
156	params->initialize = 1;
157	params->check_required = 1;
158	params->check_ambiguity = 0;
159	params->print_errors = 1;
160	}
161	}
162
163	struct cmdline_parser_params *
164	cmdline_parser_params_create(void)
165	{
166	struct cmdline_parser_params *params =
167	(struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
168	cmdline_parser_params_init(params);
169	return params;
170	}
171
172	static void
173	free_string_field (char **s)
174	{
175	if (*s)
176	{
177	free (*s);
178	*s = 0;
179	}
180	}
181
182
183	static void
184	cmdline_parser_release (struct gengetopt_args_info *args_info)
185	{
186	unsigned int i;
187	free_string_field (&(args_info->input_arg));
188	free_string_field (&(args_info->input_orig));
189	free_string_field (&(args_info->output_arg));
190	free_string_field (&(args_info->output_orig));
191	free_string_field (&(args_info->model_arg));
192	free_string_field (&(args_info->model_orig));
193
194
195	for (i = 0; i < args_info->inputs_num; ++i)
196	free (args_info->inputs [i]);
197
198	if (args_info->inputs_num)
199	free (args_info->inputs);
200
201	clear_given (args_info);
202	}
203
204
205	static void
206	write_into_file(FILE outfile, const char opt, const char arg, const char values[])
207	{
208	FIX_UNUSED (values);
209	if (arg) {
210	fprintf(outfile, "%s=\"%s\"\n", opt, arg);
211	} else {
212	fprintf(outfile, "%s\n", opt);
213	}
214	}
215
216
217	int
218	cmdline_parser_dump(FILE outfile, struct gengetopt_args_info args_info)
219	{
220	int i = 0;
221
222	if (!outfile)
223	{
224	fprintf (stderr, "%s: cannot dump options to stream\n", CMDLINE_PARSER_PACKAGE);
225	return EXIT_FAILURE;
226	}
227
228	if (args_info->help_given)
229	write_into_file(outfile, "help", 0, 0 );
230	if (args_info->version_given)
231	write_into_file(outfile, "version", 0, 0 );
232	if (args_info->input_given)
233	write_into_file(outfile, "input", args_info->input_orig, 0);
234	if (args_info->output_given)
235	write_into_file(outfile, "output", args_info->output_orig, 0);
236	if (args_info->model_given)
237	write_into_file(outfile, "model", args_info->model_orig, 0);
238	if (args_info->beads_given)
239	write_into_file(outfile, "beads", 0, 0 );
240
241
242	i = EXIT_SUCCESS;
243	return i;
244	}
245
246	int
247	cmdline_parser_file_save(const char filename, struct gengetopt_args_info args_info)
248	{
249	FILE *outfile;
250	int i = 0;
251
252	outfile = fopen(filename, "w");
253
254	if (!outfile)
255	{
256	fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
257	return EXIT_FAILURE;
258	}
259
260	i = cmdline_parser_dump(outfile, args_info);
261	fclose (outfile);
262
263	return i;
264	}
265
266	void
267	cmdline_parser_free (struct gengetopt_args_info *args_info)
268	{
269	cmdline_parser_release (args_info);
270	}
271
272	/** @brief replacement of strdup, which is not standard */
273	char *
274	gengetopt_strdup (const char *s)
275	{
276	char *result = 0;
277	if (!s)
278	return result;
279
280	result = (char*)malloc(strlen(s) + 1);
281	if (result == (char*)0)
282	return (char*)0;
283	strcpy(result, s);
284	return result;
285	}
286
287	int
288	cmdline_parser (int argc, char *argv, struct gengetopt_args_info args_info)
289	{
290	return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
291	}
292
293	int
294	cmdline_parser_ext (int argc, char *argv, struct gengetopt_args_info args_info,
295	struct cmdline_parser_params *params)
296	{
297	int result;
298	result = cmdline_parser_internal (argc, argv, args_info, params, 0);
299
300	if (result == EXIT_FAILURE)
301	{
302	cmdline_parser_free (args_info);
303	exit (EXIT_FAILURE);
304	}
305
306	return result;
307	}
308
309	int
310	cmdline_parser2 (int argc, char *argv, struct gengetopt_args_info args_info, int override, int initialize, int check_required)
311	{
312	int result;
313	struct cmdline_parser_params params;
314
315	params.override = override;
316	params.initialize = initialize;
317	params.check_required = check_required;
318	params.check_ambiguity = 0;
319	params.print_errors = 1;
320
321	result = cmdline_parser_internal (argc, argv, args_info, &params, 0);
322
323	if (result == EXIT_FAILURE)
324	{
325	cmdline_parser_free (args_info);
326	exit (EXIT_FAILURE);
327	}
328
329	return result;
330	}
331
332	int
333	cmdline_parser_required (struct gengetopt_args_info args_info, const char prog_name)
334	{
335	int result = EXIT_SUCCESS;
336
337	if (cmdline_parser_required2(args_info, prog_name, 0) > 0)
338	result = EXIT_FAILURE;
339
340	if (result == EXIT_FAILURE)
341	{
342	cmdline_parser_free (args_info);
343	exit (EXIT_FAILURE);
344	}
345
346	return result;
347	}
348
349	int
350	cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error)
351	{
352	int error = 0;
353	FIX_UNUSED (additional_error);
354
355	/* checks for required options */
356	if (! args_info->input_given)
357	{
358	fprintf (stderr, "%s: '--input' ('-i') option required%s\n", prog_name, (additional_error ? additional_error : ""));
359	error = 1;
360	}
361
362	if (! args_info->model_given)
363	{
364	fprintf (stderr, "%s: '--model' option required%s\n", prog_name, (additional_error ? additional_error : ""));
365	error = 1;
366	}
367
368
369	/* checks for dependences among options */
370
371	return error;
372	}
373
374
375	static char *package_name = 0;
376
377	/**
378	* @brief updates an option
379	* @param field the generic pointer to the field to update
380	* @param orig_field the pointer to the orig field
381	* @param field_given the pointer to the number of occurrence of this option
382	* @param prev_given the pointer to the number of occurrence already seen
383	* @param value the argument for this option (if null no arg was specified)
384	* @param possible_values the possible values for this option (if specified)
385	* @param default_value the default value (in case the option only accepts fixed values)
386	* @param arg_type the type of this option
387	* @param check_ambiguity @see cmdline_parser_params.check_ambiguity
388	* @param override @see cmdline_parser_params.override
389	* @param no_free whether to free a possible previous value
390	* @param multiple_option whether this is a multiple option
391	* @param long_opt the corresponding long option
392	* @param short_opt the corresponding short option (or '-' if none)
393	* @param additional_error possible further error specification
394	*/
395	static
396	int update_arg(void field, char *orig_field,
397	unsigned int field_given, unsigned int prev_given,
398	char value, const char possible_values[],
399	const char *default_value,
400	cmdline_parser_arg_type arg_type,
401	int check_ambiguity, int override,
402	int no_free, int multiple_option,
403	const char *long_opt, char short_opt,
404	const char *additional_error)
405	{
406	char *stop_char = 0;
407	const char *val = value;
408	int found;
409	char **string_field;
410	FIX_UNUSED (field);
411
412	stop_char = 0;
413	found = 0;
414
415	if (!multiple_option && prev_given && (prev_given \|\| (check_ambiguity && field_given)))
416	{
417	if (short_opt != '-')
418	fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n",
419	package_name, long_opt, short_opt,
420	(additional_error ? additional_error : ""));
421	else
422	fprintf (stderr, "%s: `--%s' option given more than once%s\n",
423	package_name, long_opt,
424	(additional_error ? additional_error : ""));
425	return 1; /* failure */
426	}
427
428	FIX_UNUSED (default_value);
429
430	if (field_given && *field_given && ! override)
431	return 0;
432	if (prev_given)
433	(*prev_given)++;
434	if (field_given)
435	(*field_given)++;
436	if (possible_values)
437	val = possible_values[found];
438
439	switch(arg_type) {
440	case ARG_FLAG:
441	((int )field) = !((int )field);
442	break;
443	case ARG_STRING:
444	if (val) {
445	string_field = (char **)field;
446	if (!no_free && *string_field)
447	free (string_field); / free previous string */
448	*string_field = gengetopt_strdup (val);
449	}
450	break;
451	default:
452	break;
453	};
454
455
456	/* store the original value */
457	switch(arg_type) {
458	case ARG_NO:
459	case ARG_FLAG:
460	break;
461	default:
462	if (value && orig_field) {
463	if (no_free) {
464	*orig_field = value;
465	} else {
466	if (*orig_field)
467	free (orig_field); / free previous string */
468	*orig_field = gengetopt_strdup (value);
469	}
470	}
471	};
472
473	return 0; /* OK */
474	}
475
476
477	int
478	cmdline_parser_internal (
479	int argc, char *argv, struct gengetopt_args_info args_info,
480	struct cmdline_parser_params params, const char additional_error)
481	{
482	int c; /* Character of the parsed option. */
483
484	int error = 0;
485	struct gengetopt_args_info local_args_info;
486
487	int override;
488	int initialize;
489	int check_required;
490	int check_ambiguity;
491
492	package_name = argv[0];
493
494	override = params->override;
495	initialize = params->initialize;
496	check_required = params->check_required;
497	check_ambiguity = params->check_ambiguity;
498
499	if (initialize)
500	cmdline_parser_init (args_info);
501
502	cmdline_parser_init (&local_args_info);
503
504	optarg = 0;
505	optind = 0;
506	opterr = params->print_errors;
507	optopt = '?';
508
509	while (1)
510	{
511	int option_index = 0;
512
513	static struct option long_options[] = {
514	{ "help", 0, NULL, 'h' },
515	{ "version", 0, NULL, 'V' },
516	{ "input", 1, NULL, 'i' },
517	{ "output", 1, NULL, 'o' },
518	{ "model", 1, NULL, 0 },
519	{ "beads", 0, NULL, 'b' },
520	{ 0, 0, 0, 0 }
521	};
522
523	c = getopt_long (argc, argv, "hVi:o:b", long_options, &option_index);
524
525	if (c == -1) break; /* Exit from `while (1)' loop. */
526
527	switch (c)
528	{
529	case 'h': /* Print help and exit. */
530	cmdline_parser_print_help ();
531	cmdline_parser_free (&local_args_info);
532	exit (EXIT_SUCCESS);
533
534	case 'V': /* Print version and exit. */
535	cmdline_parser_print_version ();
536	cmdline_parser_free (&local_args_info);
537	exit (EXIT_SUCCESS);
538
539	case 'i': /* input MetaData (md) file. */
540
541
542	if (update_arg( (void *)&(args_info->input_arg),
543	&(args_info->input_orig), &(args_info->input_given),
544	&(local_args_info.input_given), optarg, 0, 0, ARG_STRING,
545	check_ambiguity, override, 0, 0,
546	"input", 'i',
547	additional_error))
548	goto failure;
549
550	break;
551	case 'o': /* output file prefix. */
552
553
554	if (update_arg( (void *)&(args_info->output_arg),
555	&(args_info->output_orig), &(args_info->output_given),
556	&(local_args_info.output_given), optarg, 0, "hydro", ARG_STRING,
557	check_ambiguity, override, 0, 0,
558	"output", 'o',
559	additional_error))
560	goto failure;
561
562	break;
563	case 'b': /* generate the beads only, hydrodynamics will be performed. */
564
565
566	if (update_arg((void *)&(args_info->beads_flag), 0, &(args_info->beads_given),
567	&(local_args_info.beads_given), optarg, 0, 0, ARG_FLAG,
568	check_ambiguity, override, 1, 0, "beads", 'b',
569	additional_error))
570	goto failure;
571
572	break;
573
574	case 0: /* Long option with no short option */
575	/* hydrodynamics model (supports RoughShell and BeadModel). */
576	if (strcmp (long_options[option_index].name, "model") == 0)
577	{
578
579
580	if (update_arg( (void *)&(args_info->model_arg),
581	&(args_info->model_orig), &(args_info->model_given),
582	&(local_args_info.model_given), optarg, 0, 0, ARG_STRING,
583	check_ambiguity, override, 0, 0,
584	"model", '-',
585	additional_error))
586	goto failure;
587
588	}
589
590	break;
591	case '?': /* Invalid option. */
592	/* `getopt_long' already printed an error message. */
593	goto failure;
594
595	default: /* bug: option not considered. */
596	fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
597	abort ();
598	} /* switch */
599	} /* while */
600
601
602
603	if (check_required)
604	{
605	error += cmdline_parser_required2 (args_info, argv[0], additional_error);
606	}
607
608	cmdline_parser_release (&local_args_info);
609
610	if ( error )
611	return (EXIT_FAILURE);
612
613	if (optind < argc)
614	{
615	int i = 0 ;
616	int found_prog_name = 0;
617	/* whether program name, i.e., argv[0], is in the remaining args
618	(this may happen with some implementations of getopt,
619	but surely not with the one included by gengetopt) */
620
621	i = optind;
622	while (i < argc)
623	if (argv[i++] == argv[0]) {
624	found_prog_name = 1;
625	break;
626	}
627	i = 0;
628
629	args_info->inputs_num = argc - optind - found_prog_name;
630	args_info->inputs =
631	(char *)(malloc ((args_info->inputs_num)sizeof(char *))) ;
632	while (optind < argc)
633	if (argv[optind++] != argv[0])
634	args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
635	}
636
637	return 0;
638
639	failure:
640
641	cmdline_parser_release (&local_args_info);
642	return (EXIT_FAILURE);
643	}