Index: src/common/cmdline.c
===================================================================
--- src/common/cmdline.c	(revision 5f4d9c3b32eea7b6643a751aa75bdb05b7d41576)
+++ src/common/cmdline.c	(revision 5f4d9c3b32eea7b6643a751aa75bdb05b7d41576)
@@ -0,0 +1,1248 @@
+/*
+  File autogenerated by gengetopt version 2.22.4
+  generated with the following command:
+  gengetopt -i cmdline.ggo 
+
+  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 "cmdline.h"
+
+const char *gengetopt_args_info_purpose = "";
+
+const char *gengetopt_args_info_usage = "Usage: guess [OPTIONS]...";
+
+const char *gengetopt_args_info_description = "";
+
+const char *gengetopt_args_info_full_help[] = {
+  "  -h, --help                 Print help and exit",
+  "      --full-help            Print help, including hidden options, and exit",
+  "  -V, --version              Print version and exit",
+  "  -f, --input=STRING         Input file",
+  "  -o, --output=STRING        Output file for succesfully processed segments",
+  "  -e, --fail=STRING          Output file for unsuccesfully processed segments ",
+  "      --only-fail            Print only segments the program failed to process  \n                               (default=off)",
+  "      --no-fail              Print only segments the program processed  \n                               (default=off)",
+  "  -c, --copy                 Copy succesfully processed segments to standard \n                               output  (default=off)",
+  "  -p, --process=STRING       Process segments with this tag",
+  "  -s, --select=STRING        Select only segments with this field",
+  "  -S, --ignore=STRING        Select only segments without this field",
+  "  -O, --output-field=STRING  Output field name",
+  "  -I, --input-field=STRING   Input field name",
+  "  -i, --interactive          Toggle interactive mode  (default=off)",
+  "      --config=FILENAME      Configuration file",
+  "  -1, --one-field            Print all results in one segments (creates \n                               ambiguous annotation)  (default=off)",
+  "      --one-line             Print annotation alternatives as additional fields \n                                (default=off)",
+  "      --language=STRING      Language.",
+  "  -l, --color                Show guessed descriptions in colour.  \n                               (default=off)",
+    0
+};
+
+static void
+init_help_array(void)
+{
+  gengetopt_args_info_help[0] = gengetopt_args_info_full_help[0];
+  gengetopt_args_info_help[1] = gengetopt_args_info_full_help[1];
+  gengetopt_args_info_help[2] = gengetopt_args_info_full_help[2];
+  gengetopt_args_info_help[3] = gengetopt_args_info_full_help[3];
+  gengetopt_args_info_help[4] = gengetopt_args_info_full_help[4];
+  gengetopt_args_info_help[5] = gengetopt_args_info_full_help[5];
+  gengetopt_args_info_help[6] = gengetopt_args_info_full_help[8];
+  gengetopt_args_info_help[7] = gengetopt_args_info_full_help[9];
+  gengetopt_args_info_help[8] = gengetopt_args_info_full_help[10];
+  gengetopt_args_info_help[9] = gengetopt_args_info_full_help[11];
+  gengetopt_args_info_help[10] = gengetopt_args_info_full_help[12];
+  gengetopt_args_info_help[11] = gengetopt_args_info_full_help[13];
+  gengetopt_args_info_help[12] = gengetopt_args_info_full_help[14];
+  gengetopt_args_info_help[13] = gengetopt_args_info_full_help[15];
+  gengetopt_args_info_help[14] = gengetopt_args_info_full_help[16];
+  gengetopt_args_info_help[15] = gengetopt_args_info_full_help[17];
+  gengetopt_args_info_help[16] = gengetopt_args_info_full_help[18];
+  gengetopt_args_info_help[17] = gengetopt_args_info_full_help[19];
+  gengetopt_args_info_help[18] = 0; 
+  
+}
+
+const char *gengetopt_args_info_help[19];
+
+typedef enum {ARG_NO
+  , ARG_FLAG
+  , ARG_STRING
+} cmdline_parser_arg_type;
+
+static
+void clear_given (struct gengetopt_args_info *args_info);
+static
+void clear_args (struct gengetopt_args_info *args_info);
+
+static int
+cmdline_parser_internal (int argc, char **argv, struct gengetopt_args_info *args_info,
+                        struct cmdline_parser_params *params, const char *additional_error);
+
+static int
+cmdline_parser_required2 (struct gengetopt_args_info *args_info, const char *prog_name, const char *additional_error);
+
+static char *
+gengetopt_strdup (const char *s);
+
+static
+void clear_given (struct gengetopt_args_info *args_info)
+{
+  args_info->help_given = 0 ;
+  args_info->full_help_given = 0 ;
+  args_info->version_given = 0 ;
+  args_info->input_given = 0 ;
+  args_info->output_given = 0 ;
+  args_info->fail_given = 0 ;
+  args_info->only_fail_given = 0 ;
+  args_info->no_fail_given = 0 ;
+  args_info->copy_given = 0 ;
+  args_info->process_given = 0 ;
+  args_info->select_given = 0 ;
+  args_info->ignore_given = 0 ;
+  args_info->output_field_given = 0 ;
+  args_info->input_field_given = 0 ;
+  args_info->interactive_given = 0 ;
+  args_info->config_given = 0 ;
+  args_info->one_field_given = 0 ;
+  args_info->one_line_given = 0 ;
+  args_info->language_given = 0 ;
+  args_info->color_given = 0 ;
+}
+
+static
+void clear_args (struct gengetopt_args_info *args_info)
+{
+  FIX_UNUSED (args_info);
+  args_info->input_arg = NULL;
+  args_info->input_orig = NULL;
+  args_info->output_arg = NULL;
+  args_info->output_orig = NULL;
+  args_info->fail_arg = NULL;
+  args_info->fail_orig = NULL;
+  args_info->only_fail_flag = 0;
+  args_info->no_fail_flag = 0;
+  args_info->copy_flag = 0;
+  args_info->process_arg = NULL;
+  args_info->process_orig = NULL;
+  args_info->select_arg = NULL;
+  args_info->select_orig = NULL;
+  args_info->ignore_arg = NULL;
+  args_info->ignore_orig = NULL;
+  args_info->output_field_arg = NULL;
+  args_info->output_field_orig = NULL;
+  args_info->input_field_arg = NULL;
+  args_info->input_field_orig = NULL;
+  args_info->interactive_flag = 0;
+  args_info->config_arg = NULL;
+  args_info->config_orig = NULL;
+  args_info->one_field_flag = 0;
+  args_info->one_line_flag = 0;
+  args_info->language_arg = NULL;
+  args_info->language_orig = NULL;
+  args_info->color_flag = 0;
+  
+}
+
+static
+void init_args_info(struct gengetopt_args_info *args_info)
+{
+
+  init_help_array(); 
+  args_info->help_help = gengetopt_args_info_full_help[0] ;
+  args_info->full_help_help = gengetopt_args_info_full_help[1] ;
+  args_info->version_help = gengetopt_args_info_full_help[2] ;
+  args_info->input_help = gengetopt_args_info_full_help[3] ;
+  args_info->output_help = gengetopt_args_info_full_help[4] ;
+  args_info->fail_help = gengetopt_args_info_full_help[5] ;
+  args_info->only_fail_help = gengetopt_args_info_full_help[6] ;
+  args_info->no_fail_help = gengetopt_args_info_full_help[7] ;
+  args_info->copy_help = gengetopt_args_info_full_help[8] ;
+  args_info->process_help = gengetopt_args_info_full_help[9] ;
+  args_info->process_min = 0;
+  args_info->process_max = 0;
+  args_info->select_help = gengetopt_args_info_full_help[10] ;
+  args_info->select_min = 0;
+  args_info->select_max = 0;
+  args_info->ignore_help = gengetopt_args_info_full_help[11] ;
+  args_info->ignore_min = 0;
+  args_info->ignore_max = 0;
+  args_info->output_field_help = gengetopt_args_info_full_help[12] ;
+  args_info->input_field_help = gengetopt_args_info_full_help[13] ;
+  args_info->input_field_min = 0;
+  args_info->input_field_max = 0;
+  args_info->interactive_help = gengetopt_args_info_full_help[14] ;
+  args_info->config_help = gengetopt_args_info_full_help[15] ;
+  args_info->one_field_help = gengetopt_args_info_full_help[16] ;
+  args_info->one_line_help = gengetopt_args_info_full_help[17] ;
+  args_info->language_help = gengetopt_args_info_full_help[18] ;
+  args_info->color_help = gengetopt_args_info_full_help[19] ;
+  
+}
+
+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_print_full_help (void)
+{
+  int i = 0;
+  print_help_common();
+  while (gengetopt_args_info_full_help[i])
+    printf("%s\n", gengetopt_args_info_full_help[i++]);
+}
+
+void
+cmdline_parser_init (struct gengetopt_args_info *args_info)
+{
+  clear_given (args_info);
+  clear_args (args_info);
+  init_args_info (args_info);
+}
+
+void
+cmdline_parser_params_init(struct cmdline_parser_params *params)
+{
+  if (params)
+    { 
+      params->override = 0;
+      params->initialize = 1;
+      params->check_required = 1;
+      params->check_ambiguity = 0;
+      params->print_errors = 1;
+    }
+}
+
+struct cmdline_parser_params *
+cmdline_parser_params_create(void)
+{
+  struct cmdline_parser_params *params = 
+    (struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
+  cmdline_parser_params_init(params);  
+  return params;
+}
+
+static void
+free_string_field (char **s)
+{
+  if (*s)
+    {
+      free (*s);
+      *s = 0;
+    }
+}
+
+/** @brief generic value variable */
+union generic_value {
+    char *string_arg;
+    const char *default_string_arg;
+};
+
+/** @brief holds temporary values for multiple options */
+struct generic_list
+{
+  union generic_value arg;
+  char *orig;
+  struct generic_list *next;
+};
+
+/**
+ * @brief add a node at the head of the list 
+ */
+static void add_node(struct generic_list **list) {
+  struct generic_list *new_node = (struct generic_list *) malloc (sizeof (struct generic_list));
+  new_node->next = *list;
+  *list = new_node;
+  new_node->arg.string_arg = 0;
+  new_node->orig = 0;
+}
+
+
+static void
+free_multiple_string_field(unsigned int len, char ***arg, char ***orig)
+{
+  unsigned int i;
+  if (*arg) {
+    for (i = 0; i < len; ++i)
+      {
+        free_string_field(&((*arg)[i]));
+        free_string_field(&((*orig)[i]));
+      }
+    free_string_field(&((*arg)[0])); /* free default string */
+
+    free (*arg);
+    *arg = 0;
+    free (*orig);
+    *orig = 0;
+  }
+}
+
+static void
+cmdline_parser_release (struct gengetopt_args_info *args_info)
+{
+
+  free_string_field (&(args_info->input_arg));
+  free_string_field (&(args_info->input_orig));
+  free_string_field (&(args_info->output_arg));
+  free_string_field (&(args_info->output_orig));
+  free_string_field (&(args_info->fail_arg));
+  free_string_field (&(args_info->fail_orig));
+  free_multiple_string_field (args_info->process_given, &(args_info->process_arg), &(args_info->process_orig));
+  free_multiple_string_field (args_info->select_given, &(args_info->select_arg), &(args_info->select_orig));
+  free_multiple_string_field (args_info->ignore_given, &(args_info->ignore_arg), &(args_info->ignore_orig));
+  free_string_field (&(args_info->output_field_arg));
+  free_string_field (&(args_info->output_field_orig));
+  free_multiple_string_field (args_info->input_field_given, &(args_info->input_field_arg), &(args_info->input_field_orig));
+  free_string_field (&(args_info->config_arg));
+  free_string_field (&(args_info->config_orig));
+  free_string_field (&(args_info->language_arg));
+  free_string_field (&(args_info->language_orig));
+  
+  
+
+  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);
+  }
+}
+
+static void
+write_multiple_into_file(FILE *outfile, int len, const char *opt, char **arg, const char *values[])
+{
+  int i;
+  
+  for (i = 0; i < len; ++i)
+    write_into_file(outfile, opt, (arg ? arg[i] : 0), values);
+}
+
+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->full_help_given)
+    write_into_file(outfile, "full-help", 0, 0 );
+  if (args_info->version_given)
+    write_into_file(outfile, "version", 0, 0 );
+  if (args_info->input_given)
+    write_into_file(outfile, "input", args_info->input_orig, 0);
+  if (args_info->output_given)
+    write_into_file(outfile, "output", args_info->output_orig, 0);
+  if (args_info->fail_given)
+    write_into_file(outfile, "fail", args_info->fail_orig, 0);
+  if (args_info->only_fail_given)
+    write_into_file(outfile, "only-fail", 0, 0 );
+  if (args_info->no_fail_given)
+    write_into_file(outfile, "no-fail", 0, 0 );
+  if (args_info->copy_given)
+    write_into_file(outfile, "copy", 0, 0 );
+  write_multiple_into_file(outfile, args_info->process_given, "process", args_info->process_orig, 0);
+  write_multiple_into_file(outfile, args_info->select_given, "select", args_info->select_orig, 0);
+  write_multiple_into_file(outfile, args_info->ignore_given, "ignore", args_info->ignore_orig, 0);
+  if (args_info->output_field_given)
+    write_into_file(outfile, "output-field", args_info->output_field_orig, 0);
+  write_multiple_into_file(outfile, args_info->input_field_given, "input-field", args_info->input_field_orig, 0);
+  if (args_info->interactive_given)
+    write_into_file(outfile, "interactive", 0, 0 );
+  if (args_info->config_given)
+    write_into_file(outfile, "config", args_info->config_orig, 0);
+  if (args_info->one_field_given)
+    write_into_file(outfile, "one-field", 0, 0 );
+  if (args_info->one_line_given)
+    write_into_file(outfile, "one-line", 0, 0 );
+  if (args_info->language_given)
+    write_into_file(outfile, "language", args_info->language_orig, 0);
+  if (args_info->color_given)
+    write_into_file(outfile, "color", 0, 0 );
+  
+
+  i = EXIT_SUCCESS;
+  return i;
+}
+
+int
+cmdline_parser_file_save(const char *filename, struct gengetopt_args_info *args_info)
+{
+  FILE *outfile;
+  int i = 0;
+
+  outfile = fopen(filename, "w");
+
+  if (!outfile)
+    {
+      fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
+      return EXIT_FAILURE;
+    }
+
+  i = cmdline_parser_dump(outfile, args_info);
+  fclose (outfile);
+
+  return i;
+}
+
+void
+cmdline_parser_free (struct gengetopt_args_info *args_info)
+{
+  cmdline_parser_release (args_info);
+}
+
+/** @brief replacement of strdup, which is not standard */
+char *
+gengetopt_strdup (const char *s)
+{
+  char *result = 0;
+  if (!s)
+    return result;
+
+  result = (char*)malloc(strlen(s) + 1);
+  if (result == (char*)0)
+    return (char*)0;
+  strcpy(result, s);
+  return result;
+}
+
+static char *
+get_multiple_arg_token(const char *arg)
+{
+  const char *tok;
+  char *ret;
+  size_t len, num_of_escape, i, j;
+
+  if (!arg)
+    return 0;
+
+  tok = strchr (arg, ',');
+  num_of_escape = 0;
+
+  /* make sure it is not escaped */
+  while (tok)
+    {
+      if (*(tok-1) == '\\')
+        {
+          /* find the next one */
+          tok = strchr (tok+1, ',');
+          ++num_of_escape;
+        }
+      else
+        break;
+    }
+
+  if (tok)
+    len = (size_t)(tok - arg + 1);
+  else
+    len = strlen (arg) + 1;
+
+  len -= num_of_escape;
+
+  ret = (char *) malloc (len);
+
+  i = 0;
+  j = 0;
+  while (arg[i] && (j < len-1))
+    {
+      if (arg[i] == '\\' && 
+	  arg[ i + 1 ] && 
+	  arg[ i + 1 ] == ',')
+        ++i;
+
+      ret[j++] = arg[i++];
+    }
+
+  ret[len-1] = '\0';
+
+  return ret;
+}
+
+static const char *
+get_multiple_arg_token_next(const char *arg)
+{
+  const char *tok;
+
+  if (!arg)
+    return 0;
+
+  tok = strchr (arg, ',');
+
+  /* make sure it is not escaped */
+  while (tok)
+    {
+      if (*(tok-1) == '\\')
+        {
+          /* find the next one */
+          tok = strchr (tok+1, ',');
+        }
+      else
+        break;
+    }
+
+  if (! tok || strlen(tok) == 1)
+    return 0;
+
+  return tok+1;
+}
+
+static int
+check_multiple_option_occurrences(const char *prog_name, unsigned int option_given, unsigned int min, unsigned int max, const char *option_desc);
+
+int
+check_multiple_option_occurrences(const char *prog_name, unsigned int option_given, unsigned int min, unsigned int max, const char *option_desc)
+{
+  int error = 0;
+
+  if (option_given && (min > 0 || max > 0))
+    {
+      if (min > 0 && max > 0)
+        {
+          if (min == max)
+            {
+              /* specific occurrences */
+              if (option_given != (unsigned int) min)
+                {
+                  fprintf (stderr, "%s: %s option occurrences must be %d\n",
+                    prog_name, option_desc, min);
+                  error = 1;
+                }
+            }
+          else if (option_given < (unsigned int) min
+                || option_given > (unsigned int) max)
+            {
+              /* range occurrences */
+              fprintf (stderr, "%s: %s option occurrences must be between %d and %d\n",
+                prog_name, option_desc, min, max);
+              error = 1;
+            }
+        }
+      else if (min > 0)
+        {
+          /* at least check */
+          if (option_given < min)
+            {
+              fprintf (stderr, "%s: %s option occurrences must be at least %d\n",
+                prog_name, option_desc, min);
+              error = 1;
+            }
+        }
+      else if (max > 0)
+        {
+          /* at most check */
+          if (option_given > max)
+            {
+              fprintf (stderr, "%s: %s option occurrences must be at most %d\n",
+                prog_name, option_desc, max);
+              error = 1;
+            }
+        }
+    }
+    
+  return error;
+}
+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 (check_multiple_option_occurrences(prog_name, args_info->process_given, args_info->process_min, args_info->process_max, "'--process' ('-p')"))
+     error = 1;
+  
+  if (check_multiple_option_occurrences(prog_name, args_info->select_given, args_info->select_min, args_info->select_max, "'--select' ('-s')"))
+     error = 1;
+  
+  if (check_multiple_option_occurrences(prog_name, args_info->ignore_given, args_info->ignore_min, args_info->ignore_max, "'--ignore' ('-S')"))
+     error = 1;
+  
+  if (check_multiple_option_occurrences(prog_name, args_info->input_field_given, args_info->input_field_min, args_info->input_field_max, "'--input-field' ('-I')"))
+     error = 1;
+  
+  
+  /* checks for dependences among options */
+
+  return error;
+}
+
+
+static char *package_name = 0;
+
+/**
+ * @brief updates an option
+ * @param field the generic pointer to the field to update
+ * @param orig_field the pointer to the orig field
+ * @param field_given the pointer to the number of occurrence of this option
+ * @param prev_given the pointer to the number of occurrence already seen
+ * @param value the argument for this option (if null no arg was specified)
+ * @param possible_values the possible values for this option (if specified)
+ * @param default_value the default value (in case the option only accepts fixed values)
+ * @param arg_type the type of this option
+ * @param check_ambiguity @see cmdline_parser_params.check_ambiguity
+ * @param override @see cmdline_parser_params.override
+ * @param no_free whether to free a possible previous value
+ * @param multiple_option whether this is a multiple option
+ * @param long_opt the corresponding long option
+ * @param short_opt the corresponding short option (or '-' if none)
+ * @param additional_error possible further error specification
+ */
+static
+int update_arg(void *field, char **orig_field,
+               unsigned int *field_given, unsigned int *prev_given, 
+               char *value, const char *possible_values[],
+               const char *default_value,
+               cmdline_parser_arg_type arg_type,
+               int check_ambiguity, int override,
+               int no_free, int multiple_option,
+               const char *long_opt, char short_opt,
+               const char *additional_error)
+{
+  char *stop_char = 0;
+  const char *val = value;
+  int found;
+  char **string_field;
+  FIX_UNUSED (field);
+
+  stop_char = 0;
+  found = 0;
+
+  if (!multiple_option && prev_given && (*prev_given || (check_ambiguity && *field_given)))
+    {
+      if (short_opt != '-')
+        fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n", 
+               package_name, long_opt, short_opt,
+               (additional_error ? additional_error : ""));
+      else
+        fprintf (stderr, "%s: `--%s' option given more than once%s\n", 
+               package_name, long_opt,
+               (additional_error ? additional_error : ""));
+      return 1; /* failure */
+    }
+
+  FIX_UNUSED (default_value);
+    
+  if (field_given && *field_given && ! override)
+    return 0;
+  if (prev_given)
+    (*prev_given)++;
+  if (field_given)
+    (*field_given)++;
+  if (possible_values)
+    val = possible_values[found];
+
+  switch(arg_type) {
+  case ARG_FLAG:
+    *((int *)field) = !*((int *)field);
+    break;
+  case ARG_STRING:
+    if (val) {
+      string_field = (char **)field;
+      if (!no_free && *string_field)
+        free (*string_field); /* free previous string */
+      *string_field = gengetopt_strdup (val);
+    }
+    break;
+  default:
+    break;
+  };
+
+
+  /* store the original value */
+  switch(arg_type) {
+  case ARG_NO:
+  case ARG_FLAG:
+    break;
+  default:
+    if (value && orig_field) {
+      if (no_free) {
+        *orig_field = value;
+      } else {
+        if (*orig_field)
+          free (*orig_field); /* free previous string */
+        *orig_field = gengetopt_strdup (value);
+      }
+    }
+  };
+
+  return 0; /* OK */
+}
+
+/**
+ * @brief store information about a multiple option in a temporary list
+ * @param list where to (temporarily) store multiple options
+ */
+static
+int update_multiple_arg_temp(struct generic_list **list,
+               unsigned int *prev_given, const char *val,
+               const char *possible_values[], const char *default_value,
+               cmdline_parser_arg_type arg_type,
+               const char *long_opt, char short_opt,
+               const char *additional_error)
+{
+  /* store single arguments */
+  char *multi_token;
+  const char *multi_next;
+
+  if (arg_type == ARG_NO) {
+    (*prev_given)++;
+    return 0; /* OK */
+  }
+
+  multi_token = get_multiple_arg_token(val);
+  multi_next = get_multiple_arg_token_next (val);
+
+  while (1)
+    {
+      add_node (list);
+      if (update_arg((void *)&((*list)->arg), &((*list)->orig), 0,
+          prev_given, multi_token, possible_values, default_value, 
+          arg_type, 0, 1, 1, 1, long_opt, short_opt, additional_error)) {
+        if (multi_token) free(multi_token);
+        return 1; /* failure */
+      }
+
+      if (multi_next)
+        {
+          multi_token = get_multiple_arg_token(multi_next);
+          multi_next = get_multiple_arg_token_next (multi_next);
+        }
+      else
+        break;
+    }
+
+  return 0; /* OK */
+}
+
+/**
+ * @brief free the passed list (including possible string argument)
+ */
+static
+void free_list(struct generic_list *list, short string_arg)
+{
+  if (list) {
+    struct generic_list *tmp;
+    while (list)
+      {
+        tmp = list;
+        if (string_arg && list->arg.string_arg)
+          free (list->arg.string_arg);
+        if (list->orig)
+          free (list->orig);
+        list = list->next;
+        free (tmp);
+      }
+  }
+}
+
+/**
+ * @brief updates a multiple option starting from the passed list
+ */
+static
+void update_multiple_arg(void *field, char ***orig_field,
+               unsigned int field_given, unsigned int prev_given, union generic_value *default_value,
+               cmdline_parser_arg_type arg_type,
+               struct generic_list *list)
+{
+  int i;
+  struct generic_list *tmp;
+
+  if (prev_given && list) {
+    *orig_field = (char **) realloc (*orig_field, (field_given + prev_given) * sizeof (char *));
+
+    switch(arg_type) {
+    case ARG_STRING:
+      *((char ***)field) = (char **)realloc (*((char ***)field), (field_given + prev_given) * sizeof (char *)); break;
+    default:
+      break;
+    };
+    
+    for (i = (prev_given - 1); i >= 0; --i)
+      {
+        tmp = list;
+        
+        switch(arg_type) {
+        case ARG_STRING:
+          (*((char ***)field))[i + field_given] = tmp->arg.string_arg; break;
+        default:
+          break;
+        }        
+        (*orig_field) [i + field_given] = list->orig;
+        list = list->next;
+        free (tmp);
+      }
+  } else { /* set the default value */
+    if (default_value && ! field_given) {
+      switch(arg_type) {
+      case ARG_STRING:
+        if (! *((char ***)field)) {
+          *((char ***)field) = (char **)malloc (sizeof (char *));
+          (*((char ***)field))[0] = gengetopt_strdup(default_value->string_arg);
+        }
+        break;
+      default: break;
+      }
+      if (!(*orig_field)) {
+        *orig_field = (char **) malloc (sizeof (char *));
+        (*orig_field)[0] = 0;
+      }
+    }
+  }
+}
+
+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.  */
+
+  struct generic_list * process_list = NULL;
+  struct generic_list * select_list = NULL;
+  struct generic_list * ignore_list = NULL;
+  struct generic_list * input_field_list = NULL;
+  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' },
+        { "full-help",	0, NULL, 0 },
+        { "version",	0, NULL, 'V' },
+        { "input",	1, NULL, 'f' },
+        { "output",	1, NULL, 'o' },
+        { "fail",	1, NULL, 'e' },
+        { "only-fail",	0, NULL, 0 },
+        { "no-fail",	0, NULL, 0 },
+        { "copy",	0, NULL, 'c' },
+        { "process",	1, NULL, 'p' },
+        { "select",	1, NULL, 's' },
+        { "ignore",	1, NULL, 'S' },
+        { "output-field",	1, NULL, 'O' },
+        { "input-field",	1, NULL, 'I' },
+        { "interactive",	0, NULL, 'i' },
+        { "config",	1, NULL, 0 },
+        { "one-field",	0, NULL, '1' },
+        { "one-line",	0, NULL, 0 },
+        { "language",	1, NULL, 0 },
+        { "color",	0, NULL, 'l' },
+        { 0,  0, 0, 0 }
+      };
+
+      c = getopt_long (argc, argv, "hVf:o:e:cp:s:S:O:I:i1l", 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 'f':	/* Input file.  */
+        
+        
+          if (update_arg( (void *)&(args_info->input_arg), 
+               &(args_info->input_orig), &(args_info->input_given),
+              &(local_args_info.input_given), optarg, 0, 0, ARG_STRING,
+              check_ambiguity, override, 0, 0,
+              "input", 'f',
+              additional_error))
+            goto failure;
+        
+          break;
+        case 'o':	/* Output file for succesfully processed segments.  */
+        
+        
+          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 'e':	/* Output file for unsuccesfully processed segments .  */
+        
+        
+          if (update_arg( (void *)&(args_info->fail_arg), 
+               &(args_info->fail_orig), &(args_info->fail_given),
+              &(local_args_info.fail_given), optarg, 0, 0, ARG_STRING,
+              check_ambiguity, override, 0, 0,
+              "fail", 'e',
+              additional_error))
+            goto failure;
+        
+          break;
+        case 'c':	/* Copy succesfully processed segments to standard output.  */
+        
+        
+          if (update_arg((void *)&(args_info->copy_flag), 0, &(args_info->copy_given),
+              &(local_args_info.copy_given), optarg, 0, 0, ARG_FLAG,
+              check_ambiguity, override, 1, 0, "copy", 'c',
+              additional_error))
+            goto failure;
+        
+          break;
+        case 'p':	/* Process segments with this tag.  */
+        
+          if (update_multiple_arg_temp(&process_list, 
+              &(local_args_info.process_given), optarg, 0, 0, ARG_STRING,
+              "process", 'p',
+              additional_error))
+            goto failure;
+        
+          break;
+        case 's':	/* Select only segments with this field.  */
+        
+          if (update_multiple_arg_temp(&select_list, 
+              &(local_args_info.select_given), optarg, 0, 0, ARG_STRING,
+              "select", 's',
+              additional_error))
+            goto failure;
+        
+          break;
+        case 'S':	/* Select only segments without this field.  */
+        
+          if (update_multiple_arg_temp(&ignore_list, 
+              &(local_args_info.ignore_given), optarg, 0, 0, ARG_STRING,
+              "ignore", 'S',
+              additional_error))
+            goto failure;
+        
+          break;
+        case 'O':	/* Output field name.  */
+        
+        
+          if (update_arg( (void *)&(args_info->output_field_arg), 
+               &(args_info->output_field_orig), &(args_info->output_field_given),
+              &(local_args_info.output_field_given), optarg, 0, 0, ARG_STRING,
+              check_ambiguity, override, 0, 0,
+              "output-field", 'O',
+              additional_error))
+            goto failure;
+        
+          break;
+        case 'I':	/* Input field name.  */
+        
+          if (update_multiple_arg_temp(&input_field_list, 
+              &(local_args_info.input_field_given), optarg, 0, 0, ARG_STRING,
+              "input-field", 'I',
+              additional_error))
+            goto failure;
+        
+          break;
+        case 'i':	/* Toggle interactive mode.  */
+        
+        
+          if (update_arg((void *)&(args_info->interactive_flag), 0, &(args_info->interactive_given),
+              &(local_args_info.interactive_given), optarg, 0, 0, ARG_FLAG,
+              check_ambiguity, override, 1, 0, "interactive", 'i',
+              additional_error))
+            goto failure;
+        
+          break;
+        case '1':	/* Print all results in one segments (creates ambiguous annotation).  */
+        
+        
+          if (update_arg((void *)&(args_info->one_field_flag), 0, &(args_info->one_field_given),
+              &(local_args_info.one_field_given), optarg, 0, 0, ARG_FLAG,
+              check_ambiguity, override, 1, 0, "one-field", '1',
+              additional_error))
+            goto failure;
+        
+          break;
+        case 'l':	/* Show guessed descriptions in colour..  */
+        
+        
+          if (update_arg((void *)&(args_info->color_flag), 0, &(args_info->color_given),
+              &(local_args_info.color_given), optarg, 0, 0, ARG_FLAG,
+              check_ambiguity, override, 1, 0, "color", 'l',
+              additional_error))
+            goto failure;
+        
+          break;
+
+        case 0:	/* Long option with no short option */
+          if (strcmp (long_options[option_index].name, "full-help") == 0) {
+            cmdline_parser_print_full_help ();
+            cmdline_parser_free (&local_args_info);
+            exit (EXIT_SUCCESS);
+          }
+
+          /* Print only segments the program failed to process.  */
+          if (strcmp (long_options[option_index].name, "only-fail") == 0)
+          {
+          
+          
+            if (update_arg((void *)&(args_info->only_fail_flag), 0, &(args_info->only_fail_given),
+                &(local_args_info.only_fail_given), optarg, 0, 0, ARG_FLAG,
+                check_ambiguity, override, 1, 0, "only-fail", '-',
+                additional_error))
+              goto failure;
+          
+          }
+          /* Print only segments the program processed.  */
+          else if (strcmp (long_options[option_index].name, "no-fail") == 0)
+          {
+          
+          
+            if (update_arg((void *)&(args_info->no_fail_flag), 0, &(args_info->no_fail_given),
+                &(local_args_info.no_fail_given), optarg, 0, 0, ARG_FLAG,
+                check_ambiguity, override, 1, 0, "no-fail", '-',
+                additional_error))
+              goto failure;
+          
+          }
+          /* Configuration file.  */
+          else if (strcmp (long_options[option_index].name, "config") == 0)
+          {
+          
+          
+            if (update_arg( (void *)&(args_info->config_arg), 
+                 &(args_info->config_orig), &(args_info->config_given),
+                &(local_args_info.config_given), optarg, 0, 0, ARG_STRING,
+                check_ambiguity, override, 0, 0,
+                "config", '-',
+                additional_error))
+              goto failure;
+          
+          }
+          /* Print annotation alternatives as additional fields.  */
+          else if (strcmp (long_options[option_index].name, "one-line") == 0)
+          {
+          
+          
+            if (update_arg((void *)&(args_info->one_line_flag), 0, &(args_info->one_line_given),
+                &(local_args_info.one_line_given), optarg, 0, 0, ARG_FLAG,
+                check_ambiguity, override, 1, 0, "one-line", '-',
+                additional_error))
+              goto failure;
+          
+          }
+          /* Language..  */
+          else if (strcmp (long_options[option_index].name, "language") == 0)
+          {
+          
+          
+            if (update_arg( (void *)&(args_info->language_arg), 
+                 &(args_info->language_orig), &(args_info->language_given),
+                &(local_args_info.language_given), optarg, 0, 0, ARG_STRING,
+                check_ambiguity, override, 0, 0,
+                "language", '-',
+                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 */
+
+
+  update_multiple_arg((void *)&(args_info->process_arg),
+    &(args_info->process_orig), args_info->process_given,
+    local_args_info.process_given, 0,
+    ARG_STRING, process_list);
+  update_multiple_arg((void *)&(args_info->select_arg),
+    &(args_info->select_orig), args_info->select_given,
+    local_args_info.select_given, 0,
+    ARG_STRING, select_list);
+  update_multiple_arg((void *)&(args_info->ignore_arg),
+    &(args_info->ignore_orig), args_info->ignore_given,
+    local_args_info.ignore_given, 0,
+    ARG_STRING, ignore_list);
+  update_multiple_arg((void *)&(args_info->input_field_arg),
+    &(args_info->input_field_orig), args_info->input_field_given,
+    local_args_info.input_field_given, 0,
+    ARG_STRING, input_field_list);
+
+  args_info->process_given += local_args_info.process_given;
+  local_args_info.process_given = 0;
+  args_info->select_given += local_args_info.select_given;
+  local_args_info.select_given = 0;
+  args_info->ignore_given += local_args_info.ignore_given;
+  local_args_info.ignore_given = 0;
+  args_info->input_field_given += local_args_info.input_field_given;
+  local_args_info.input_field_given = 0;
+  
+  if (check_required)
+    {
+      error += cmdline_parser_required2 (args_info, argv[0], additional_error);
+    }
+
+  cmdline_parser_release (&local_args_info);
+
+  if ( error )
+    return (EXIT_FAILURE);
+
+  return 0;
+
+failure:
+  free_list (process_list, 1 );
+  free_list (select_list, 1 );
+  free_list (ignore_list, 1 );
+  free_list (input_field_list, 1 );
+  
+  cmdline_parser_release (&local_args_info);
+  return (EXIT_FAILURE);
+}
