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 ago) by gezelter
File size:	16483 byte(s)
Log Message:	Added a new icosahedralBuilder for single-component Mackay Icosahedron nanoparticles.
#	Content
1	/*
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	}