applications/nanoparticleBuilder/icosahedralBuilderCmd.cpp

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

#include <getopt.h>

#include "icosahedralBuilderCmd.h"

const char *gengetopt_args_info_purpose = "Builds icosahedral nanoparticles and outputs an OpenMD startup file";

const char *gengetopt_args_info_usage = "Usage: icosahedralBuilder [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",
  "  -o, --output=STRING           Output file name",
  "  -d, --latticeConstant=DOUBLE  Lattice spacing in Angstroms for cubic lattice.",
  "  -n, --shells=INT              Nanoparticle shells",
    0
};

typedef enum {ARG_NO
  , ARG_STRING
  , ARG_INT
  , ARG_DOUBLE
} 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->output_given = 0 ;
  args_info->latticeConstant_given = 0 ;
  args_info->shells_given = 0 ;
}

static
void clear_args (struct gengetopt_args_info *args_info)
{
  FIX_UNUSED (args_info);
  args_info->output_arg = NULL;
  args_info->output_orig = NULL;
  args_info->latticeConstant_orig = NULL;
  args_info->shells_orig = NULL;
  
}

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->output_help = gengetopt_args_info_help[2] ;
  args_info->latticeConstant_help = gengetopt_args_info_help[3] ;
  args_info->shells_help = gengetopt_args_info_help[4] ;
  
}

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->output_arg));
  free_string_field (&(args_info->output_orig));
  free_string_field (&(args_info->latticeConstant_orig));
  free_string_field (&(args_info->shells_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->output_given)
    write_into_file(outfile, "output", args_info->output_orig, 0);
  if (args_info->latticeConstant_given)
    write_into_file(outfile, "latticeConstant", args_info->latticeConstant_orig, 0);
  if (args_info->shells_given)
    write_into_file(outfile, "shells", args_info->shells_orig, 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->output_given)
    {
      fprintf (stderr, "%s: '--output' ('-o') option required%s\n", prog_name, (additional_error ? additional_error : ""));
      error = 1;
    }
  
  if (! args_info->shells_given)
    {
      fprintf (stderr, "%s: '--shells' ('-n') 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_INT:
    if (val) *((int *)field) = strtol (val, &stop_char, 0);
    break;
  case ARG_DOUBLE:
    if (val) *((double *)field) = strtod (val, &stop_char);
    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;
  };

  /* check numeric conversion */
  switch(arg_type) {
  case ARG_INT:
  case ARG_DOUBLE:
    if (val && !(stop_char && *stop_char == '\0')) {
      fprintf(stderr, "%s: invalid numeric value: %s\n", package_name, val);
      return 1; /* failure */
    }
    break;
  default:
    ;
  };

  /* store the original value */
  switch(arg_type) {
  case ARG_NO:
    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' },
        { "output",     1, NULL, 'o' },
        { "latticeConstant",    1, NULL, 'd' },
        { "shells",     1, NULL, 'n' },
        { 0,  0, 0, 0 }
      };

      c = getopt_long (argc, argv, "hVo:d:n:", 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 'o':       /* Output file name.  */
        
        
          if (update_arg( (void *)&(args_info->output_arg), 
               &(args_info->output_orig), &(args_info->output_given),
              &(local_args_info.output_given), optarg, 0, 0, ARG_STRING,
              check_ambiguity, override, 0, 0,
              "output", 'o',
              additional_error))
            goto failure;
        
          break;
        case 'd':       /* Lattice spacing in Angstroms for cubic lattice..  */
        
        
          if (update_arg( (void *)&(args_info->latticeConstant_arg), 
               &(args_info->latticeConstant_orig), &(args_info->latticeConstant_given),
              &(local_args_info.latticeConstant_given), optarg, 0, 0, ARG_DOUBLE,
              check_ambiguity, override, 0, 0,
              "latticeConstant", 'd',
              additional_error))
            goto failure;
        
          break;
        case 'n':       /* Nanoparticle shells.  */
        
        
          if (update_arg( (void *)&(args_info->shells_arg), 
               &(args_info->shells_orig), &(args_info->shells_given),
              &(local_args_info.shells_given), optarg, 0, 0, ARG_INT,
              check_ambiguity, override, 0, 0,
              "shells", 'n',
              additional_error))
            goto failure;
        
          break;

        case 0: /* Long option with no short option */
        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:	1860
Committed:	Tue Apr 9 16:14:15 2013 UTC (12 years, 1 month ago) by gezelter
File size:	16483 byte(s)
Log Message:	Added a new icosahedralBuilder for single-component Mackay Icosahedron nanoparticles.
#	User	Rev	Content
1	gezelter	1860	/*
2			File autogenerated by gengetopt version 2.22.4
3			generated with the following command:
4			gengetopt --file-name=icosahedralBuilderCmd --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			#include <getopt.h>
25
26			#include "icosahedralBuilderCmd.h"
27
28			const char *gengetopt_args_info_purpose = "Builds icosahedral nanoparticles and outputs an OpenMD startup file";
29
30			const char *gengetopt_args_info_usage = "Usage: icosahedralBuilder [OPTIONS]... [FILES]...";
31
32			const char *gengetopt_args_info_description = "";
33
34			const char *gengetopt_args_info_help[] = {
35			" -h, --help Print help and exit",
36			" -V, --version Print version and exit",
37			" -o, --output=STRING Output file name",
38			" -d, --latticeConstant=DOUBLE Lattice spacing in Angstroms for cubic lattice.",
39			" -n, --shells=INT Nanoparticle shells",
40			0
41			};
42
43			typedef enum {ARG_NO
44			, ARG_STRING
45			, ARG_INT
46			, ARG_DOUBLE
47			} cmdline_parser_arg_type;
48
49			static
50			void clear_given (struct gengetopt_args_info *args_info);
51			static
52			void clear_args (struct gengetopt_args_info *args_info);
53
54			static int
55			cmdline_parser_internal (int argc, char *argv, struct gengetopt_args_info args_info,
56			struct cmdline_parser_params params, const char additional_error);
57
58			static int
59			cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error);
60
61			static char *
62			gengetopt_strdup (const char *s);
63
64			static
65			void clear_given (struct gengetopt_args_info *args_info)
66			{
67			args_info->help_given = 0 ;
68			args_info->version_given = 0 ;
69			args_info->output_given = 0 ;
70			args_info->latticeConstant_given = 0 ;
71			args_info->shells_given = 0 ;
72			}
73
74			static
75			void clear_args (struct gengetopt_args_info *args_info)
76			{
77			FIX_UNUSED (args_info);
78			args_info->output_arg = NULL;
79			args_info->output_orig = NULL;
80			args_info->latticeConstant_orig = NULL;
81			args_info->shells_orig = NULL;
82
83			}
84
85			static
86			void init_args_info(struct gengetopt_args_info *args_info)
87			{
88
89
90			args_info->help_help = gengetopt_args_info_help[0] ;
91			args_info->version_help = gengetopt_args_info_help[1] ;
92			args_info->output_help = gengetopt_args_info_help[2] ;
93			args_info->latticeConstant_help = gengetopt_args_info_help[3] ;
94			args_info->shells_help = gengetopt_args_info_help[4] ;
95
96			}
97
98			void
99			cmdline_parser_print_version (void)
100			{
101			printf ("%s %s\n",
102			(strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME : CMDLINE_PARSER_PACKAGE),
103			CMDLINE_PARSER_VERSION);
104			}
105
106			static void print_help_common(void) {
107			cmdline_parser_print_version ();
108
109			if (strlen(gengetopt_args_info_purpose) > 0)
110			printf("\n%s\n", gengetopt_args_info_purpose);
111
112			if (strlen(gengetopt_args_info_usage) > 0)
113			printf("\n%s\n", gengetopt_args_info_usage);
114
115			printf("\n");
116
117			if (strlen(gengetopt_args_info_description) > 0)
118			printf("%s\n\n", gengetopt_args_info_description);
119			}
120
121			void
122			cmdline_parser_print_help (void)
123			{
124			int i = 0;
125			print_help_common();
126			while (gengetopt_args_info_help[i])
127			printf("%s\n", gengetopt_args_info_help[i++]);
128			}
129
130			void
131			cmdline_parser_init (struct gengetopt_args_info *args_info)
132			{
133			clear_given (args_info);
134			clear_args (args_info);
135			init_args_info (args_info);
136
137			args_info->inputs = 0;
138			args_info->inputs_num = 0;
139			}
140
141			void
142			cmdline_parser_params_init(struct cmdline_parser_params *params)
143			{
144			if (params)
145			{
146			params->override = 0;
147			params->initialize = 1;
148			params->check_required = 1;
149			params->check_ambiguity = 0;
150			params->print_errors = 1;
151			}
152			}
153
154			struct cmdline_parser_params *
155			cmdline_parser_params_create(void)
156			{
157			struct cmdline_parser_params *params =
158			(struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
159			cmdline_parser_params_init(params);
160			return params;
161			}
162
163			static void
164			free_string_field (char **s)
165			{
166			if (*s)
167			{
168			free (*s);
169			*s = 0;
170			}
171			}
172
173
174			static void
175			cmdline_parser_release (struct gengetopt_args_info *args_info)
176			{
177			unsigned int i;
178			free_string_field (&(args_info->output_arg));
179			free_string_field (&(args_info->output_orig));
180			free_string_field (&(args_info->latticeConstant_orig));
181			free_string_field (&(args_info->shells_orig));
182
183
184			for (i = 0; i < args_info->inputs_num; ++i)
185			free (args_info->inputs [i]);
186
187			if (args_info->inputs_num)
188			free (args_info->inputs);
189
190			clear_given (args_info);
191			}
192
193
194			static void
195			write_into_file(FILE outfile, const char opt, const char arg, const char values[])
196			{
197			FIX_UNUSED (values);
198			if (arg) {
199			fprintf(outfile, "%s=\"%s\"\n", opt, arg);
200			} else {
201			fprintf(outfile, "%s\n", opt);
202			}
203			}
204
205
206			int
207			cmdline_parser_dump(FILE outfile, struct gengetopt_args_info args_info)
208			{
209			int i = 0;
210
211			if (!outfile)
212			{
213			fprintf (stderr, "%s: cannot dump options to stream\n", CMDLINE_PARSER_PACKAGE);
214			return EXIT_FAILURE;
215			}
216
217			if (args_info->help_given)
218			write_into_file(outfile, "help", 0, 0 );
219			if (args_info->version_given)
220			write_into_file(outfile, "version", 0, 0 );
221			if (args_info->output_given)
222			write_into_file(outfile, "output", args_info->output_orig, 0);
223			if (args_info->latticeConstant_given)
224			write_into_file(outfile, "latticeConstant", args_info->latticeConstant_orig, 0);
225			if (args_info->shells_given)
226			write_into_file(outfile, "shells", args_info->shells_orig, 0);
227
228
229			i = EXIT_SUCCESS;
230			return i;
231			}
232
233			int
234			cmdline_parser_file_save(const char filename, struct gengetopt_args_info args_info)
235			{
236			FILE *outfile;
237			int i = 0;
238
239			outfile = fopen(filename, "w");
240
241			if (!outfile)
242			{
243			fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
244			return EXIT_FAILURE;
245			}
246
247			i = cmdline_parser_dump(outfile, args_info);
248			fclose (outfile);
249
250			return i;
251			}
252
253			void
254			cmdline_parser_free (struct gengetopt_args_info *args_info)
255			{
256			cmdline_parser_release (args_info);
257			}
258
259			/** @brief replacement of strdup, which is not standard */
260			char *
261			gengetopt_strdup (const char *s)
262			{
263			char *result = 0;
264			if (!s)
265			return result;
266
267			result = (char*)malloc(strlen(s) + 1);
268			if (result == (char*)0)
269			return (char*)0;
270			strcpy(result, s);
271			return result;
272			}
273
274			int
275			cmdline_parser (int argc, char *argv, struct gengetopt_args_info args_info)
276			{
277			return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
278			}
279
280			int
281			cmdline_parser_ext (int argc, char *argv, struct gengetopt_args_info args_info,
282			struct cmdline_parser_params *params)
283			{
284			int result;
285			result = cmdline_parser_internal (argc, argv, args_info, params, 0);
286
287			if (result == EXIT_FAILURE)
288			{
289			cmdline_parser_free (args_info);
290			exit (EXIT_FAILURE);
291			}
292
293			return result;
294			}
295
296			int
297			cmdline_parser2 (int argc, char *argv, struct gengetopt_args_info args_info, int override, int initialize, int check_required)
298			{
299			int result;
300			struct cmdline_parser_params params;
301
302			params.override = override;
303			params.initialize = initialize;
304			params.check_required = check_required;
305			params.check_ambiguity = 0;
306			params.print_errors = 1;
307
308			result = cmdline_parser_internal (argc, argv, args_info, &params, 0);
309
310			if (result == EXIT_FAILURE)
311			{
312			cmdline_parser_free (args_info);
313			exit (EXIT_FAILURE);
314			}
315
316			return result;
317			}
318
319			int
320			cmdline_parser_required (struct gengetopt_args_info args_info, const char prog_name)
321			{
322			int result = EXIT_SUCCESS;
323
324			if (cmdline_parser_required2(args_info, prog_name, 0) > 0)
325			result = EXIT_FAILURE;
326
327			if (result == EXIT_FAILURE)
328			{
329			cmdline_parser_free (args_info);
330			exit (EXIT_FAILURE);
331			}
332
333			return result;
334			}
335
336			int
337			cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error)
338			{
339			int error = 0;
340			FIX_UNUSED (additional_error);
341
342			/* checks for required options */
343			if (! args_info->output_given)
344			{
345			fprintf (stderr, "%s: '--output' ('-o') option required%s\n", prog_name, (additional_error ? additional_error : ""));
346			error = 1;
347			}
348
349			if (! args_info->shells_given)
350			{
351			fprintf (stderr, "%s: '--shells' ('-n') option required%s\n", prog_name, (additional_error ? additional_error : ""));
352			error = 1;
353			}
354
355
356			/* checks for dependences among options */
357
358			return error;
359			}
360
361
362			static char *package_name = 0;
363
364			/**
365			* @brief updates an option
366			* @param field the generic pointer to the field to update
367			* @param orig_field the pointer to the orig field
368			* @param field_given the pointer to the number of occurrence of this option
369			* @param prev_given the pointer to the number of occurrence already seen
370			* @param value the argument for this option (if null no arg was specified)
371			* @param possible_values the possible values for this option (if specified)
372			* @param default_value the default value (in case the option only accepts fixed values)
373			* @param arg_type the type of this option
374			* @param check_ambiguity @see cmdline_parser_params.check_ambiguity
375			* @param override @see cmdline_parser_params.override
376			* @param no_free whether to free a possible previous value
377			* @param multiple_option whether this is a multiple option
378			* @param long_opt the corresponding long option
379			* @param short_opt the corresponding short option (or '-' if none)
380			* @param additional_error possible further error specification
381			*/
382			static
383			int update_arg(void field, char *orig_field,
384			unsigned int field_given, unsigned int prev_given,
385			char value, const char possible_values[],
386			const char *default_value,
387			cmdline_parser_arg_type arg_type,
388			int check_ambiguity, int override,
389			int no_free, int multiple_option,
390			const char *long_opt, char short_opt,
391			const char *additional_error)
392			{
393			char *stop_char = 0;
394			const char *val = value;
395			int found;
396			char **string_field;
397			FIX_UNUSED (field);
398
399			stop_char = 0;
400			found = 0;
401
402			if (!multiple_option && prev_given && (prev_given \|\| (check_ambiguity && field_given)))
403			{
404			if (short_opt != '-')
405			fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n",
406			package_name, long_opt, short_opt,
407			(additional_error ? additional_error : ""));
408			else
409			fprintf (stderr, "%s: `--%s' option given more than once%s\n",
410			package_name, long_opt,
411			(additional_error ? additional_error : ""));
412			return 1; /* failure */
413			}
414
415			FIX_UNUSED (default_value);
416
417			if (field_given && *field_given && ! override)
418			return 0;
419			if (prev_given)
420			(*prev_given)++;
421			if (field_given)
422			(*field_given)++;
423			if (possible_values)
424			val = possible_values[found];
425
426			switch(arg_type) {
427			case ARG_INT:
428			if (val) ((int )field) = strtol (val, &stop_char, 0);
429			break;
430			case ARG_DOUBLE:
431			if (val) ((double )field) = strtod (val, &stop_char);
432			break;
433			case ARG_STRING:
434			if (val) {
435			string_field = (char **)field;
436			if (!no_free && *string_field)
437			free (string_field); / free previous string */
438			*string_field = gengetopt_strdup (val);
439			}
440			break;
441			default:
442			break;
443			};
444
445			/* check numeric conversion */
446			switch(arg_type) {
447			case ARG_INT:
448			case ARG_DOUBLE:
449			if (val && !(stop_char && *stop_char == '\0')) {
450			fprintf(stderr, "%s: invalid numeric value: %s\n", package_name, val);
451			return 1; /* failure */
452			}
453			break;
454			default:
455			;
456			};
457
458			/* store the original value */
459			switch(arg_type) {
460			case ARG_NO:
461			break;
462			default:
463			if (value && orig_field) {
464			if (no_free) {
465			*orig_field = value;
466			} else {
467			if (*orig_field)
468			free (orig_field); / free previous string */
469			*orig_field = gengetopt_strdup (value);
470			}
471			}
472			};
473
474			return 0; /* OK */
475			}
476
477
478			int
479			cmdline_parser_internal (
480			int argc, char *argv, struct gengetopt_args_info args_info,
481			struct cmdline_parser_params params, const char additional_error)
482			{
483			int c; /* Character of the parsed option. */
484
485			int error = 0;
486			struct gengetopt_args_info local_args_info;
487
488			int override;
489			int initialize;
490			int check_required;
491			int check_ambiguity;
492
493			package_name = argv[0];
494
495			override = params->override;
496			initialize = params->initialize;
497			check_required = params->check_required;
498			check_ambiguity = params->check_ambiguity;
499
500			if (initialize)
501			cmdline_parser_init (args_info);
502
503			cmdline_parser_init (&local_args_info);
504
505			optarg = 0;
506			optind = 0;
507			opterr = params->print_errors;
508			optopt = '?';
509
510			while (1)
511			{
512			int option_index = 0;
513
514			static struct option long_options[] = {
515			{ "help", 0, NULL, 'h' },
516			{ "version", 0, NULL, 'V' },
517			{ "output", 1, NULL, 'o' },
518			{ "latticeConstant", 1, NULL, 'd' },
519			{ "shells", 1, NULL, 'n' },
520			{ 0, 0, 0, 0 }
521			};
522
523			c = getopt_long (argc, argv, "hVo:d:n:", 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 'o': /* Output file name. */
540
541
542			if (update_arg( (void *)&(args_info->output_arg),
543			&(args_info->output_orig), &(args_info->output_given),
544			&(local_args_info.output_given), optarg, 0, 0, ARG_STRING,
545			check_ambiguity, override, 0, 0,
546			"output", 'o',
547			additional_error))
548			goto failure;
549
550			break;
551			case 'd': /* Lattice spacing in Angstroms for cubic lattice.. */
552
553
554			if (update_arg( (void *)&(args_info->latticeConstant_arg),
555			&(args_info->latticeConstant_orig), &(args_info->latticeConstant_given),
556			&(local_args_info.latticeConstant_given), optarg, 0, 0, ARG_DOUBLE,
557			check_ambiguity, override, 0, 0,
558			"latticeConstant", 'd',
559			additional_error))
560			goto failure;
561
562			break;
563			case 'n': /* Nanoparticle shells. */
564
565
566			if (update_arg( (void *)&(args_info->shells_arg),
567			&(args_info->shells_orig), &(args_info->shells_given),
568			&(local_args_info.shells_given), optarg, 0, 0, ARG_INT,
569			check_ambiguity, override, 0, 0,
570			"shells", 'n',
571			additional_error))
572			goto failure;
573
574			break;
575
576			case 0: /* Long option with no short option */
577			case '?': /* Invalid option. */
578			/* `getopt_long' already printed an error message. */
579			goto failure;
580
581			default: /* bug: option not considered. */
582			fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
583			abort ();
584			} /* switch */
585			} /* while */
586
587
588
589			if (check_required)
590			{
591			error += cmdline_parser_required2 (args_info, argv[0], additional_error);
592			}
593
594			cmdline_parser_release (&local_args_info);
595
596			if ( error )
597			return (EXIT_FAILURE);
598
599			if (optind < argc)
600			{
601			int i = 0 ;
602			int found_prog_name = 0;
603			/* whether program name, i.e., argv[0], is in the remaining args
604			(this may happen with some implementations of getopt,
605			but surely not with the one included by gengetopt) */
606
607			i = optind;
608			while (i < argc)
609			if (argv[i++] == argv[0]) {
610			found_prog_name = 1;
611			break;
612			}
613			i = 0;
614
615			args_info->inputs_num = argc - optind - found_prog_name;
616			args_info->inputs =
617			(char *)(malloc ((args_info->inputs_num)sizeof(char *))) ;
618			while (optind < argc)
619			if (argv[optind++] != argv[0])
620			args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
621			}
622
623			return 0;
624
625			failure:
626
627			cmdline_parser_release (&local_args_info);
628			return (EXIT_FAILURE);
629			}