applications/simpleBuilder/simpleBuilderCmd.cpp

/*
  File autogenerated by gengetopt version 2.22.4
  generated with the following command:
  gengetopt -F simpleBuilderCmd -u 

  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 "simpleBuilderCmd.h"

const char *gengetopt_args_info_purpose = "";

const char *gengetopt_args_info_usage = "Usage: simpleBuilder [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",
  "      --density=DOUBLE  density (g/cm^3)",
  "      --nx=INT          number of unit cells in x",
  "      --ny=INT          number of unit cells in y",
  "      --nz=INT          number of unit cells in z",
    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->density_given = 0 ;
  args_info->nx_given = 0 ;
  args_info->ny_given = 0 ;
  args_info->nz_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->density_orig = NULL;
  args_info->nx_orig = NULL;
  args_info->ny_orig = NULL;
  args_info->nz_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->density_help = gengetopt_args_info_help[3] ;
  args_info->nx_help = gengetopt_args_info_help[4] ;
  args_info->ny_help = gengetopt_args_info_help[5] ;
  args_info->nz_help = gengetopt_args_info_help[6] ;
  
}

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->density_orig));
  free_string_field (&(args_info->nx_orig));
  free_string_field (&(args_info->ny_orig));
  free_string_field (&(args_info->nz_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->density_given)
    write_into_file(outfile, "density", args_info->density_orig, 0);
  if (args_info->nx_given)
    write_into_file(outfile, "nx", args_info->nx_orig, 0);
  if (args_info->ny_given)
    write_into_file(outfile, "ny", args_info->ny_orig, 0);
  if (args_info->nz_given)
    write_into_file(outfile, "nz", args_info->nz_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->density_given)
    {
      fprintf (stderr, "%s: '--density' option required%s\n", prog_name, (additional_error ? additional_error : ""));
      error = 1;
    }
  
  if (! args_info->nx_given)
    {
      fprintf (stderr, "%s: '--nx' option required%s\n", prog_name, (additional_error ? additional_error : ""));
      error = 1;
    }
  
  if (! args_info->ny_given)
    {
      fprintf (stderr, "%s: '--ny' option required%s\n", prog_name, (additional_error ? additional_error : ""));
      error = 1;
    }
  
  if (! args_info->nz_given)
    {
      fprintf (stderr, "%s: '--nz' 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' },
        { "density",    1, NULL, 0 },
        { "nx", 1, NULL, 0 },
        { "ny", 1, NULL, 0 },
        { "nz", 1, NULL, 0 },
        { 0,  0, 0, 0 }
      };

      c = getopt_long (argc, argv, "hVo:", 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 0: /* Long option with no short option */
          /* density (g/cm^3).  */
          if (strcmp (long_options[option_index].name, "density") == 0)
          {
          
          
            if (update_arg( (void *)&(args_info->density_arg), 
                 &(args_info->density_orig), &(args_info->density_given),
                &(local_args_info.density_given), optarg, 0, 0, ARG_DOUBLE,
                check_ambiguity, override, 0, 0,
                "density", '-',
                additional_error))
              goto failure;
          
          }
          /* number of unit cells in x.  */
          else if (strcmp (long_options[option_index].name, "nx") == 0)
          {
          
          
            if (update_arg( (void *)&(args_info->nx_arg), 
                 &(args_info->nx_orig), &(args_info->nx_given),
                &(local_args_info.nx_given), optarg, 0, 0, ARG_INT,
                check_ambiguity, override, 0, 0,
                "nx", '-',
                additional_error))
              goto failure;
          
          }
          /* number of unit cells in y.  */
          else if (strcmp (long_options[option_index].name, "ny") == 0)
          {
          
          
            if (update_arg( (void *)&(args_info->ny_arg), 
                 &(args_info->ny_orig), &(args_info->ny_given),
                &(local_args_info.ny_given), optarg, 0, 0, ARG_INT,
                check_ambiguity, override, 0, 0,
                "ny", '-',
                additional_error))
              goto failure;
          
          }
          /* number of unit cells in z.  */
          else if (strcmp (long_options[option_index].name, "nz") == 0)
          {
          
          
            if (update_arg( (void *)&(args_info->nz_arg), 
                 &(args_info->nz_orig), &(args_info->nz_given),
                &(local_args_info.nz_given), optarg, 0, 0, ARG_INT,
                check_ambiguity, override, 0, 0,
                "nz", '-',
                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:	1798
Committed:	Thu Sep 13 14:10:11 2012 UTC (12 years, 7 months ago) by gezelter
File size:	18567 byte(s)
Log Message:	Merged trunk changes into the development branch
#	Content
1	/*
2	File autogenerated by gengetopt version 2.22.4
3	generated with the following command:
4	gengetopt -F simpleBuilderCmd -u
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 "simpleBuilderCmd.h"
31
32	const char *gengetopt_args_info_purpose = "";
33
34	const char *gengetopt_args_info_usage = "Usage: simpleBuilder [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	" -o, --output=STRING Output file name",
42	" --density=DOUBLE density (g/cm^3)",
43	" --nx=INT number of unit cells in x",
44	" --ny=INT number of unit cells in y",
45	" --nz=INT number of unit cells in z",
46	0
47	};
48
49	typedef enum {ARG_NO
50	, ARG_STRING
51	, ARG_INT
52	, ARG_DOUBLE
53	} cmdline_parser_arg_type;
54
55	static
56	void clear_given (struct gengetopt_args_info *args_info);
57	static
58	void clear_args (struct gengetopt_args_info *args_info);
59
60	static int
61	cmdline_parser_internal (int argc, char *argv, struct gengetopt_args_info args_info,
62	struct cmdline_parser_params params, const char additional_error);
63
64	static int
65	cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error);
66
67	static char *
68	gengetopt_strdup (const char *s);
69
70	static
71	void clear_given (struct gengetopt_args_info *args_info)
72	{
73	args_info->help_given = 0 ;
74	args_info->version_given = 0 ;
75	args_info->output_given = 0 ;
76	args_info->density_given = 0 ;
77	args_info->nx_given = 0 ;
78	args_info->ny_given = 0 ;
79	args_info->nz_given = 0 ;
80	}
81
82	static
83	void clear_args (struct gengetopt_args_info *args_info)
84	{
85	FIX_UNUSED (args_info);
86	args_info->output_arg = NULL;
87	args_info->output_orig = NULL;
88	args_info->density_orig = NULL;
89	args_info->nx_orig = NULL;
90	args_info->ny_orig = NULL;
91	args_info->nz_orig = NULL;
92
93	}
94
95	static
96	void init_args_info(struct gengetopt_args_info *args_info)
97	{
98
99
100	args_info->help_help = gengetopt_args_info_help[0] ;
101	args_info->version_help = gengetopt_args_info_help[1] ;
102	args_info->output_help = gengetopt_args_info_help[2] ;
103	args_info->density_help = gengetopt_args_info_help[3] ;
104	args_info->nx_help = gengetopt_args_info_help[4] ;
105	args_info->ny_help = gengetopt_args_info_help[5] ;
106	args_info->nz_help = gengetopt_args_info_help[6] ;
107
108	}
109
110	void
111	cmdline_parser_print_version (void)
112	{
113	printf ("%s %s\n",
114	(strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME : CMDLINE_PARSER_PACKAGE),
115	CMDLINE_PARSER_VERSION);
116	}
117
118	static void print_help_common(void) {
119	cmdline_parser_print_version ();
120
121	if (strlen(gengetopt_args_info_purpose) > 0)
122	printf("\n%s\n", gengetopt_args_info_purpose);
123
124	if (strlen(gengetopt_args_info_usage) > 0)
125	printf("\n%s\n", gengetopt_args_info_usage);
126
127	printf("\n");
128
129	if (strlen(gengetopt_args_info_description) > 0)
130	printf("%s\n\n", gengetopt_args_info_description);
131	}
132
133	void
134	cmdline_parser_print_help (void)
135	{
136	int i = 0;
137	print_help_common();
138	while (gengetopt_args_info_help[i])
139	printf("%s\n", gengetopt_args_info_help[i++]);
140	}
141
142	void
143	cmdline_parser_init (struct gengetopt_args_info *args_info)
144	{
145	clear_given (args_info);
146	clear_args (args_info);
147	init_args_info (args_info);
148
149	args_info->inputs = 0;
150	args_info->inputs_num = 0;
151	}
152
153	void
154	cmdline_parser_params_init(struct cmdline_parser_params *params)
155	{
156	if (params)
157	{
158	params->override = 0;
159	params->initialize = 1;
160	params->check_required = 1;
161	params->check_ambiguity = 0;
162	params->print_errors = 1;
163	}
164	}
165
166	struct cmdline_parser_params *
167	cmdline_parser_params_create(void)
168	{
169	struct cmdline_parser_params *params =
170	(struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
171	cmdline_parser_params_init(params);
172	return params;
173	}
174
175	static void
176	free_string_field (char **s)
177	{
178	if (*s)
179	{
180	free (*s);
181	*s = 0;
182	}
183	}
184
185
186	static void
187	cmdline_parser_release (struct gengetopt_args_info *args_info)
188	{
189	unsigned int i;
190	free_string_field (&(args_info->output_arg));
191	free_string_field (&(args_info->output_orig));
192	free_string_field (&(args_info->density_orig));
193	free_string_field (&(args_info->nx_orig));
194	free_string_field (&(args_info->ny_orig));
195	free_string_field (&(args_info->nz_orig));
196
197
198	for (i = 0; i < args_info->inputs_num; ++i)
199	free (args_info->inputs [i]);
200
201	if (args_info->inputs_num)
202	free (args_info->inputs);
203
204	clear_given (args_info);
205	}
206
207
208	static void
209	write_into_file(FILE outfile, const char opt, const char arg, const char values[])
210	{
211	FIX_UNUSED (values);
212	if (arg) {
213	fprintf(outfile, "%s=\"%s\"\n", opt, arg);
214	} else {
215	fprintf(outfile, "%s\n", opt);
216	}
217	}
218
219
220	int
221	cmdline_parser_dump(FILE outfile, struct gengetopt_args_info args_info)
222	{
223	int i = 0;
224
225	if (!outfile)
226	{
227	fprintf (stderr, "%s: cannot dump options to stream\n", CMDLINE_PARSER_PACKAGE);
228	return EXIT_FAILURE;
229	}
230
231	if (args_info->help_given)
232	write_into_file(outfile, "help", 0, 0 );
233	if (args_info->version_given)
234	write_into_file(outfile, "version", 0, 0 );
235	if (args_info->output_given)
236	write_into_file(outfile, "output", args_info->output_orig, 0);
237	if (args_info->density_given)
238	write_into_file(outfile, "density", args_info->density_orig, 0);
239	if (args_info->nx_given)
240	write_into_file(outfile, "nx", args_info->nx_orig, 0);
241	if (args_info->ny_given)
242	write_into_file(outfile, "ny", args_info->ny_orig, 0);
243	if (args_info->nz_given)
244	write_into_file(outfile, "nz", args_info->nz_orig, 0);
245
246
247	i = EXIT_SUCCESS;
248	return i;
249	}
250
251	int
252	cmdline_parser_file_save(const char filename, struct gengetopt_args_info args_info)
253	{
254	FILE *outfile;
255	int i = 0;
256
257	outfile = fopen(filename, "w");
258
259	if (!outfile)
260	{
261	fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
262	return EXIT_FAILURE;
263	}
264
265	i = cmdline_parser_dump(outfile, args_info);
266	fclose (outfile);
267
268	return i;
269	}
270
271	void
272	cmdline_parser_free (struct gengetopt_args_info *args_info)
273	{
274	cmdline_parser_release (args_info);
275	}
276
277	/** @brief replacement of strdup, which is not standard */
278	char *
279	gengetopt_strdup (const char *s)
280	{
281	char *result = 0;
282	if (!s)
283	return result;
284
285	result = (char*)malloc(strlen(s) + 1);
286	if (result == (char*)0)
287	return (char*)0;
288	strcpy(result, s);
289	return result;
290	}
291
292	int
293	cmdline_parser (int argc, char *argv, struct gengetopt_args_info args_info)
294	{
295	return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
296	}
297
298	int
299	cmdline_parser_ext (int argc, char *argv, struct gengetopt_args_info args_info,
300	struct cmdline_parser_params *params)
301	{
302	int result;
303	result = cmdline_parser_internal (argc, argv, args_info, params, 0);
304
305	if (result == EXIT_FAILURE)
306	{
307	cmdline_parser_free (args_info);
308	exit (EXIT_FAILURE);
309	}
310
311	return result;
312	}
313
314	int
315	cmdline_parser2 (int argc, char *argv, struct gengetopt_args_info args_info, int override, int initialize, int check_required)
316	{
317	int result;
318	struct cmdline_parser_params params;
319
320	params.override = override;
321	params.initialize = initialize;
322	params.check_required = check_required;
323	params.check_ambiguity = 0;
324	params.print_errors = 1;
325
326	result = cmdline_parser_internal (argc, argv, args_info, &params, 0);
327
328	if (result == EXIT_FAILURE)
329	{
330	cmdline_parser_free (args_info);
331	exit (EXIT_FAILURE);
332	}
333
334	return result;
335	}
336
337	int
338	cmdline_parser_required (struct gengetopt_args_info args_info, const char prog_name)
339	{
340	int result = EXIT_SUCCESS;
341
342	if (cmdline_parser_required2(args_info, prog_name, 0) > 0)
343	result = EXIT_FAILURE;
344
345	if (result == EXIT_FAILURE)
346	{
347	cmdline_parser_free (args_info);
348	exit (EXIT_FAILURE);
349	}
350
351	return result;
352	}
353
354	int
355	cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error)
356	{
357	int error = 0;
358	FIX_UNUSED (additional_error);
359
360	/* checks for required options */
361	if (! args_info->output_given)
362	{
363	fprintf (stderr, "%s: '--output' ('-o') option required%s\n", prog_name, (additional_error ? additional_error : ""));
364	error = 1;
365	}
366
367	if (! args_info->density_given)
368	{
369	fprintf (stderr, "%s: '--density' option required%s\n", prog_name, (additional_error ? additional_error : ""));
370	error = 1;
371	}
372
373	if (! args_info->nx_given)
374	{
375	fprintf (stderr, "%s: '--nx' option required%s\n", prog_name, (additional_error ? additional_error : ""));
376	error = 1;
377	}
378
379	if (! args_info->ny_given)
380	{
381	fprintf (stderr, "%s: '--ny' option required%s\n", prog_name, (additional_error ? additional_error : ""));
382	error = 1;
383	}
384
385	if (! args_info->nz_given)
386	{
387	fprintf (stderr, "%s: '--nz' option required%s\n", prog_name, (additional_error ? additional_error : ""));
388	error = 1;
389	}
390
391
392	/* checks for dependences among options */
393
394	return error;
395	}
396
397
398	static char *package_name = 0;
399
400	/**
401	* @brief updates an option
402	* @param field the generic pointer to the field to update
403	* @param orig_field the pointer to the orig field
404	* @param field_given the pointer to the number of occurrence of this option
405	* @param prev_given the pointer to the number of occurrence already seen
406	* @param value the argument for this option (if null no arg was specified)
407	* @param possible_values the possible values for this option (if specified)
408	* @param default_value the default value (in case the option only accepts fixed values)
409	* @param arg_type the type of this option
410	* @param check_ambiguity @see cmdline_parser_params.check_ambiguity
411	* @param override @see cmdline_parser_params.override
412	* @param no_free whether to free a possible previous value
413	* @param multiple_option whether this is a multiple option
414	* @param long_opt the corresponding long option
415	* @param short_opt the corresponding short option (or '-' if none)
416	* @param additional_error possible further error specification
417	*/
418	static
419	int update_arg(void field, char *orig_field,
420	unsigned int field_given, unsigned int prev_given,
421	char value, const char possible_values[],
422	const char *default_value,
423	cmdline_parser_arg_type arg_type,
424	int check_ambiguity, int override,
425	int no_free, int multiple_option,
426	const char *long_opt, char short_opt,
427	const char *additional_error)
428	{
429	char *stop_char = 0;
430	const char *val = value;
431	int found;
432	char **string_field;
433	FIX_UNUSED (field);
434
435	stop_char = 0;
436	found = 0;
437
438	if (!multiple_option && prev_given && (prev_given \|\| (check_ambiguity && field_given)))
439	{
440	if (short_opt != '-')
441	fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n",
442	package_name, long_opt, short_opt,
443	(additional_error ? additional_error : ""));
444	else
445	fprintf (stderr, "%s: `--%s' option given more than once%s\n",
446	package_name, long_opt,
447	(additional_error ? additional_error : ""));
448	return 1; /* failure */
449	}
450
451	FIX_UNUSED (default_value);
452
453	if (field_given && *field_given && ! override)
454	return 0;
455	if (prev_given)
456	(*prev_given)++;
457	if (field_given)
458	(*field_given)++;
459	if (possible_values)
460	val = possible_values[found];
461
462	switch(arg_type) {
463	case ARG_INT:
464	if (val) ((int )field) = strtol (val, &stop_char, 0);
465	break;
466	case ARG_DOUBLE:
467	if (val) ((double )field) = strtod (val, &stop_char);
468	break;
469	case ARG_STRING:
470	if (val) {
471	string_field = (char **)field;
472	if (!no_free && *string_field)
473	free (string_field); / free previous string */
474	*string_field = gengetopt_strdup (val);
475	}
476	break;
477	default:
478	break;
479	};
480
481	/* check numeric conversion */
482	switch(arg_type) {
483	case ARG_INT:
484	case ARG_DOUBLE:
485	if (val && !(stop_char && *stop_char == '\0')) {
486	fprintf(stderr, "%s: invalid numeric value: %s\n", package_name, val);
487	return 1; /* failure */
488	}
489	break;
490	default:
491	;
492	};
493
494	/* store the original value */
495	switch(arg_type) {
496	case ARG_NO:
497	break;
498	default:
499	if (value && orig_field) {
500	if (no_free) {
501	*orig_field = value;
502	} else {
503	if (*orig_field)
504	free (orig_field); / free previous string */
505	*orig_field = gengetopt_strdup (value);
506	}
507	}
508	};
509
510	return 0; /* OK */
511	}
512
513
514	int
515	cmdline_parser_internal (
516	int argc, char *argv, struct gengetopt_args_info args_info,
517	struct cmdline_parser_params params, const char additional_error)
518	{
519	int c; /* Character of the parsed option. */
520
521	int error = 0;
522	struct gengetopt_args_info local_args_info;
523
524	int override;
525	int initialize;
526	int check_required;
527	int check_ambiguity;
528
529	package_name = argv[0];
530
531	override = params->override;
532	initialize = params->initialize;
533	check_required = params->check_required;
534	check_ambiguity = params->check_ambiguity;
535
536	if (initialize)
537	cmdline_parser_init (args_info);
538
539	cmdline_parser_init (&local_args_info);
540
541	optarg = 0;
542	optind = 0;
543	opterr = params->print_errors;
544	optopt = '?';
545
546	while (1)
547	{
548	int option_index = 0;
549
550	static struct option long_options[] = {
551	{ "help", 0, NULL, 'h' },
552	{ "version", 0, NULL, 'V' },
553	{ "output", 1, NULL, 'o' },
554	{ "density", 1, NULL, 0 },
555	{ "nx", 1, NULL, 0 },
556	{ "ny", 1, NULL, 0 },
557	{ "nz", 1, NULL, 0 },
558	{ 0, 0, 0, 0 }
559	};
560
561	c = getopt_long (argc, argv, "hVo:", long_options, &option_index);
562
563	if (c == -1) break; /* Exit from `while (1)' loop. */
564
565	switch (c)
566	{
567	case 'h': /* Print help and exit. */
568	cmdline_parser_print_help ();
569	cmdline_parser_free (&local_args_info);
570	exit (EXIT_SUCCESS);
571
572	case 'V': /* Print version and exit. */
573	cmdline_parser_print_version ();
574	cmdline_parser_free (&local_args_info);
575	exit (EXIT_SUCCESS);
576
577	case 'o': /* Output file name. */
578
579
580	if (update_arg( (void *)&(args_info->output_arg),
581	&(args_info->output_orig), &(args_info->output_given),
582	&(local_args_info.output_given), optarg, 0, 0, ARG_STRING,
583	check_ambiguity, override, 0, 0,
584	"output", 'o',
585	additional_error))
586	goto failure;
587
588	break;
589
590	case 0: /* Long option with no short option */
591	/* density (g/cm^3). */
592	if (strcmp (long_options[option_index].name, "density") == 0)
593	{
594
595
596	if (update_arg( (void *)&(args_info->density_arg),
597	&(args_info->density_orig), &(args_info->density_given),
598	&(local_args_info.density_given), optarg, 0, 0, ARG_DOUBLE,
599	check_ambiguity, override, 0, 0,
600	"density", '-',
601	additional_error))
602	goto failure;
603
604	}
605	/* number of unit cells in x. */
606	else if (strcmp (long_options[option_index].name, "nx") == 0)
607	{
608
609
610	if (update_arg( (void *)&(args_info->nx_arg),
611	&(args_info->nx_orig), &(args_info->nx_given),
612	&(local_args_info.nx_given), optarg, 0, 0, ARG_INT,
613	check_ambiguity, override, 0, 0,
614	"nx", '-',
615	additional_error))
616	goto failure;
617
618	}
619	/* number of unit cells in y. */
620	else if (strcmp (long_options[option_index].name, "ny") == 0)
621	{
622
623
624	if (update_arg( (void *)&(args_info->ny_arg),
625	&(args_info->ny_orig), &(args_info->ny_given),
626	&(local_args_info.ny_given), optarg, 0, 0, ARG_INT,
627	check_ambiguity, override, 0, 0,
628	"ny", '-',
629	additional_error))
630	goto failure;
631
632	}
633	/* number of unit cells in z. */
634	else if (strcmp (long_options[option_index].name, "nz") == 0)
635	{
636
637
638	if (update_arg( (void *)&(args_info->nz_arg),
639	&(args_info->nz_orig), &(args_info->nz_given),
640	&(local_args_info.nz_given), optarg, 0, 0, ARG_INT,
641	check_ambiguity, override, 0, 0,
642	"nz", '-',
643	additional_error))
644	goto failure;
645
646	}
647
648	break;
649	case '?': /* Invalid option. */
650	/* `getopt_long' already printed an error message. */
651	goto failure;
652
653	default: /* bug: option not considered. */
654	fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
655	abort ();
656	} /* switch */
657	} /* while */
658
659
660
661	if (check_required)
662	{
663	error += cmdline_parser_required2 (args_info, argv[0], additional_error);
664	}
665
666	cmdline_parser_release (&local_args_info);
667
668	if ( error )
669	return (EXIT_FAILURE);
670
671	if (optind < argc)
672	{
673	int i = 0 ;
674	int found_prog_name = 0;
675	/* whether program name, i.e., argv[0], is in the remaining args
676	(this may happen with some implementations of getopt,
677	but surely not with the one included by gengetopt) */
678
679	i = optind;
680	while (i < argc)
681	if (argv[i++] == argv[0]) {
682	found_prog_name = 1;
683	break;
684	}
685	i = 0;
686
687	args_info->inputs_num = argc - optind - found_prog_name;
688	args_info->inputs =
689	(char *)(malloc ((args_info->inputs_num)sizeof(char *))) ;
690	while (optind < argc)
691	if (argv[optind++] != argv[0])
692	args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
693	}
694
695	return 0;
696
697	failure:
698
699	cmdline_parser_release (&local_args_info);
700	return (EXIT_FAILURE);
701	}