Ejemplo n.º 1
0
static GtEncseq *mapbwtencoding(const char *indexname,
                                GtLogger *logger,
                                GtError *err)
{
  GtEncseqLoader *el;
  GtEncseq *ret;
  gt_error_check(err);

  el = gt_encseq_loader_new();
  gt_encseq_loader_do_not_require_des_tab(el);
  gt_encseq_loader_do_not_require_ssp_tab(el);
  gt_encseq_loader_do_not_require_sds_tab(el);
  gt_encseq_loader_set_logger(el, logger);
  ret = gt_encseq_loader_load(el, indexname, err);
  gt_encseq_loader_delete(el);
  return ret;
}
Ejemplo n.º 2
0
static int inputsuffixarray(bool map,
                            Suffixarray *suffixarray,
                            unsigned int demand,
                            const char *indexname,
                            GtLogger *logger,
                            GtError *err)
{
  bool haserr = false;
  GtEncseqLoader *el;
  GtUword totallength = 0;

  gt_error_check(err);
  initsuffixarray(suffixarray);
  el = gt_encseq_loader_new();
  if (!(demand & SARR_DESTAB))
    gt_encseq_loader_do_not_require_des_tab(el);
  else
    gt_encseq_loader_require_des_tab(el);
  if (!(demand & SARR_SDSTAB))
    gt_encseq_loader_do_not_require_sds_tab(el);
  else
    gt_encseq_loader_require_sds_tab(el);
  if (!(demand & SARR_SSPTAB))
    gt_encseq_loader_do_not_require_ssp_tab(el);
  else
    gt_encseq_loader_require_ssp_tab(el);
  gt_encseq_loader_set_logger(el, logger);
  suffixarray->encseq = gt_encseq_loader_load(el, indexname, err);
  gt_encseq_loader_delete(el);
  if (suffixarray->encseq == NULL)
  {
    haserr = true;
  }
  if (!haserr)
  {
    haserr = scanprjfileuintkeys(suffixarray,indexname,logger,err);
  }
  if (!haserr
        && suffixarray->mirroredencseq
        && !gt_encseq_is_mirrored(suffixarray->encseq))
  {
    if (gt_encseq_mirror(suffixarray->encseq, err) != 0)
      haserr = true;
  }
  if (!haserr)
  {
    totallength = gt_encseq_total_length(suffixarray->encseq);
  }
  if (!haserr && (demand & SARR_SUFTAB))
  {
    if (map)
    {
      if (suffixarray->numberofallsortedsuffixes > 0)
      {
        suffixarray->suftab
          = gt_fa_mmap_check_size_with_suffix(indexname,
                                       GT_SUFTABSUFFIX,
                                       suffixarray->numberofallsortedsuffixes,
                                       sizeof (*suffixarray->suftab),
                                       err);
        if (suffixarray->suftab == NULL)
        {
          haserr = true;
        }
      }
    } else
    {
#if defined (_LP64) || defined (_WIN64)
      off_t filesize = gt_file_size_with_suffix(indexname,GT_SUFTABSUFFIX);

      if (filesize == (off_t) sizeof (uint32_t) *
                              suffixarray->numberofallsortedsuffixes)
      {
        gt_logger_log(logger,"read suftab in units of 4 bytes");
        INITBufferedfile(indexname,&suffixarray->suftabstream_uint32_t,uint32_t,
                         GT_SUFTABSUFFIX);
      } else
      {
        gt_logger_log(logger,"read suftab in units of 8 bytes");
        INITBufferedfile(indexname,&suffixarray->suftabstream_GtUword,GtUword,
                         GT_SUFTABSUFFIX);
      }
#else
      gt_logger_log(logger,"read suftab in units of 4 bytes");
      INITBufferedfile(indexname,&suffixarray->suftabstream_GtUword,GtUword,
                       GT_SUFTABSUFFIX);
#endif
    }
    if (!haserr && !suffixarray->longest.defined)
    {
      gt_error_set(err,"longest not defined");
      haserr = true;
    }
  }
  if (!haserr && (demand & SARR_LCPTAB))
  {
    if (map)
    {
      if (suffixarray->numberofallsortedsuffixes > 0)
      {
        suffixarray->lcptab
          = gt_fa_mmap_check_size_with_suffix(indexname,
                                         GT_LCPTABSUFFIX,
                                         suffixarray->numberofallsortedsuffixes,
                                         sizeof (*suffixarray->lcptab),
                                         err);
        if (suffixarray->lcptab == NULL)
        {
          haserr = true;
        }
      }
    } else
    {
      INITBufferedfile(indexname,&suffixarray->lcptabstream,GtUchar,
                       GT_LCPTABSUFFIX);
      if (!haserr &&
          fseek(suffixarray->lcptabstream.fp,
                (GtWord) sizeof (GtUchar),SEEK_SET))
      {
        gt_error_set(err,"fseek(esastream) failed: %s",strerror(errno));
        haserr = true;
      }
    }
    if (!haserr && !suffixarray->numoflargelcpvalues.defined)
    {
      gt_error_set(err,"numoflargelcpvalues not defined");
      haserr = true;
    }
    if (!haserr && suffixarray->numoflargelcpvalues.valueunsignedlong > 0)
    {
      if (map)
      {
        suffixarray->llvtab
          = gt_fa_mmap_check_size_with_suffix(indexname,
                                           GT_LARGELCPTABSUFFIX,
                                           (GtUword)
                                           suffixarray->numoflargelcpvalues.
                                           valueunsignedlong,
                                           sizeof (*suffixarray->llvtab),
                                           err);
        if (suffixarray->llvtab == NULL)
        {
          haserr = true;
        }
      } else
      {
        INITBufferedfile(indexname,&suffixarray->llvtabstream,Largelcpvalue,
                         GT_LARGELCPTABSUFFIX);
      }
    }
  }
  if (!haserr && (demand & SARR_BWTTAB))
  {
    if (map)
    {
      suffixarray->bwttab
        = gt_fa_mmap_check_size_with_suffix(indexname,
                                         GT_BWTTABSUFFIX,
                                         totallength+1,
                                         sizeof (*suffixarray->bwttab),
                                         err);
      if (suffixarray->bwttab == NULL)
      {
        haserr = true;
      }
    } else
    {
      INITBufferedfile(indexname,&suffixarray->bwttabstream,GtUchar,
                       GT_BWTTABSUFFIX);
    }
  }
  if (!haserr && (demand & SARR_BCKTAB))
  {
    suffixarray->bcktab
      = gt_bcktab_map(indexname,
                      gt_encseq_alphabetnumofchars(suffixarray->encseq),
                      suffixarray->prefixlength,
                      totallength+1,
                      true,
                      err);
    if (suffixarray->bcktab == NULL)
    {
      haserr = true;
    }
  }
  if (haserr)
  {
    gt_freesuffixarray(suffixarray);
  }
  return haserr ? -1 : 0;
}
Ejemplo n.º 3
0
int gt_runidxlocali(const IdxlocaliOptions *idxlocalioptions,GtError *err)
{
  Genericindex *genericindex = NULL;
  bool haserr = false;
  GtLogger *logger;
  const GtEncseq *encseq = NULL;

  logger = gt_logger_new(idxlocalioptions->verbose,
                         GT_LOGGER_DEFLT_PREFIX, stdout);

  if (idxlocalioptions->doonline)
  {
    GtEncseqLoader *el;
    el = gt_encseq_loader_new();
    gt_encseq_loader_require_multiseq_support(el);
    gt_encseq_loader_drop_description_support(el);
    gt_encseq_loader_set_logger(el, logger);
    encseq = gt_encseq_loader_load(el, gt_str_get(idxlocalioptions->indexname),
                                   err);
    gt_encseq_loader_delete(el);
    if (encseq == NULL)
    {
      haserr = true;
    }
  } else
  {
    genericindex = genericindex_new(gt_str_get(idxlocalioptions->indexname),
                                    idxlocalioptions->withesa,
                                    idxlocalioptions->withesa ||
                                    idxlocalioptions->docompare,
                                    false,
                                    true,
                                    0,
                                    logger,
                                    err);
    if (genericindex == NULL)
    {
      haserr = true;
    } else
    {
      encseq = genericindex_getencseq(genericindex);
    }
  }
  if (!haserr)
  {
    GtSeqIterator *seqit;
    const GtUchar *query;
    unsigned long querylen;
    char *desc = NULL;
    int retval;
    Limdfsresources *limdfsresources = NULL;
    const AbstractDfstransformer *dfst;
    SWdpresource *swdpresource = NULL;
    Showmatchinfo showmatchinfo;
    ProcessIdxMatch processmatch;
    GtAlphabet *a;
    void *processmatchinfoonline, *processmatchinfooffline;
    Storematchinfo storeonline, storeoffline;

    a = gt_encseq_alphabet(encseq);
    if (idxlocalioptions->docompare)
    {
      processmatch = storematch;
      gt_initstorematch(&storeonline,encseq);
      gt_initstorematch(&storeoffline,encseq);
      processmatchinfoonline = &storeonline;
      processmatchinfooffline = &storeoffline;
    } else
    {
      processmatch = showmatch;
      showmatchinfo.encseq = encseq;
      showmatchinfo.characters = gt_alphabet_characters(a);
      showmatchinfo.wildcardshow = gt_alphabet_wildcard_show(a);
      showmatchinfo.showalignment = idxlocalioptions->showalignment;
      processmatchinfoonline = processmatchinfooffline = &showmatchinfo;
    }
    if (idxlocalioptions->doonline || idxlocalioptions->docompare)
    {
      swdpresource = gt_newSWdpresource(idxlocalioptions->matchscore,
                                     idxlocalioptions->mismatchscore,
                                     idxlocalioptions->gapextend,
                                     idxlocalioptions->threshold,
                                     idxlocalioptions->showalignment,
                                     processmatch,
                                     processmatchinfoonline);
    }
    dfst = gt_locali_AbstractDfstransformer();
    if (!idxlocalioptions->doonline || idxlocalioptions->docompare)
    {
      gt_assert(genericindex != NULL);
      limdfsresources = gt_newLimdfsresources(genericindex,
                                           true,
                                           0,
                                           0,    /* maxpathlength */
                                           true, /* keepexpandedonstack */
                                           processmatch,
                                           processmatchinfooffline,
                                           NULL, /* processresult */
                                           NULL, /* processresult info */
                                           dfst);
    }
    seqit = gt_seq_iterator_sequence_buffer_new(idxlocalioptions->queryfiles,
                                               err);
    if (!seqit)
      haserr = true;
    if (!haserr)
    {
      gt_seq_iterator_set_symbolmap(seqit, gt_alphabet_symbolmap(a));
      for (showmatchinfo.queryunit = 0; /* Nothing */;
           showmatchinfo.queryunit++)
      {
        retval = gt_seq_iterator_next(seqit,
                                     &query,
                                     &querylen,
                                     &desc,
                                     err);
        if (retval < 0)
        {
          haserr = true;
          break;
        }
        if (retval == 0)
        {
          break;
        }
        printf("process sequence " Formatuint64_t " of length %lu\n",
                PRINTuint64_tcast(showmatchinfo.queryunit),querylen);
        if (idxlocalioptions->doonline || idxlocalioptions->docompare)
        {
          gt_multiapplysmithwaterman(swdpresource,encseq,query,querylen);
        }
        if (!idxlocalioptions->doonline || idxlocalioptions->docompare)
        {
          gt_indexbasedlocali(limdfsresources,
                           idxlocalioptions->matchscore,
                           idxlocalioptions->mismatchscore,
                           idxlocalioptions->gapstart,
                           idxlocalioptions->gapextend,
                           idxlocalioptions->threshold,
                           query,
                           querylen,
                           dfst);
        }
        if (idxlocalioptions->docompare)
        {
          gt_checkandresetstorematch(showmatchinfo.queryunit,
                                  &storeonline,&storeoffline);
        }
      }
      if (limdfsresources != NULL)
      {
        gt_freeLimdfsresources(&limdfsresources,dfst);
      }
      if (swdpresource != NULL)
      {
        gt_freeSWdpresource(swdpresource);
        swdpresource = NULL;
      }
      gt_seq_iterator_delete(seqit);
    }
    if (idxlocalioptions->docompare)
    {
      gt_freestorematch(&storeonline);
      gt_freestorematch(&storeoffline);
    }
  }
  if (genericindex == NULL)
  {
    gt_encseq_delete((GtEncseq *) encseq);
    encseq = NULL;
  } else
  {
    genericindex_delete(genericindex);
  }
  gt_logger_delete(logger);
  logger = NULL;
  return haserr ? -1 : 0;
}
Ejemplo n.º 4
0
int gt_testmaxpairs(const char *indexname,
                    GtUword samples,
                    unsigned int minlength,
                    GtUword substringlength,
                    GtLogger *logger,
                    GtError *err)
{
  GtEncseq *encseq;
  GtUword totallength = 0, dblen, querylen;
  GtUchar *dbseq = NULL, *query = NULL;
  bool haserr = false;
  GtUword s;
  GtArray *tabmaxquerymatches;
  Maxmatchselfinfo maxmatchselfinfo;
  GtEncseqLoader *el;

  gt_logger_log(logger,"draw "GT_WU" samples",samples);

  el = gt_encseq_loader_new();
  gt_encseq_loader_do_not_require_des_tab(el);
  gt_encseq_loader_do_not_require_ssp_tab(el);
  gt_encseq_loader_do_not_require_sds_tab(el);
  gt_encseq_loader_set_logger(el, logger);
  encseq = gt_encseq_loader_load(el, indexname, err);
  gt_encseq_loader_delete(el);

  if (encseq == NULL)
  {
    haserr = true;
  } else
  {
    totallength = gt_encseq_total_length(encseq);
  }
  if (!haserr)
  {
    if (substringlength > totallength/2)
    {
      substringlength = totallength/2;
    }
    dbseq = gt_malloc(sizeof *dbseq * substringlength);
    query = gt_malloc(sizeof *query * substringlength);
  }
  for (s=0; s<samples && !haserr; s++)
  {
    dblen = samplesubstring(dbseq,encseq,substringlength);
    querylen = samplesubstring(query,encseq,substringlength);
    gt_logger_log(logger,"run query match for dblen="GT_WU""
                         ",querylen= "GT_WU", minlength=%u",
                         dblen,
                         querylen,
                         minlength);
    tabmaxquerymatches = gt_array_new(sizeof (Substringmatch));
    if (gt_sarrquerysubstringmatch(dbseq,
                                   dblen,
                                   query,
                                   (GtUword) querylen,
                                   minlength,
                                   gt_encseq_alphabet(encseq),
                                   storemaxmatchquery,
                                   tabmaxquerymatches,
                                   logger,
                                   err) != 0)
    {
      haserr = true;
      break;
    }
    gt_logger_log(logger,"run self match for dblen="GT_WU""
                         ",querylen= "GT_WU", minlength=%u",
                         dblen,
                         querylen,
                         minlength);
    maxmatchselfinfo.results = gt_array_new(sizeof (Substringmatch));
    maxmatchselfinfo.dblen = dblen;
    maxmatchselfinfo.querylen = querylen;
    maxmatchselfinfo.querymarkpos
      = sequence2markpositions(&maxmatchselfinfo.numofquerysequences,
                               query,querylen);
    if (sarrselfsubstringmatch(dbseq,
                               dblen,
                               query,
                               (GtUword) querylen,
                               minlength,
                               gt_encseq_alphabet(encseq),
                               storemaxmatchself,
                               &maxmatchselfinfo,
                               logger,
                               err) != 0)
    {
      haserr = true;
      break;
    }
    gt_array_sort(tabmaxquerymatches,orderSubstringmatch);
    gt_array_sort(maxmatchselfinfo.results,orderSubstringmatch);
    if (!gt_array_equal(tabmaxquerymatches,maxmatchselfinfo.results,
                        orderSubstringmatch))
    {
      const GtUword width = 60UL;
      printf("failure for query of length "GT_WU"\n",(GtUword) querylen);
      printf("querymatches\n");
      (void) gt_array_iterate(tabmaxquerymatches,showSubstringmatch,NULL,
                           err);
      printf("dbmatches\n");
      (void) gt_array_iterate(maxmatchselfinfo.results,showSubstringmatch,
                           NULL,err);
      gt_symbolstring2fasta(stdout,"dbseq",
                         gt_encseq_alphabet(encseq),
                         dbseq,
                         (GtUword) dblen,
                         width);
      gt_symbolstring2fasta(stdout,"queryseq",
                         gt_encseq_alphabet(encseq),
                         query,
                         (GtUword) querylen,
                         width);
      exit(GT_EXIT_PROGRAMMING_ERROR);
    }
    gt_free(maxmatchselfinfo.querymarkpos);
    printf("# numberofmatches="GT_WU"\n",gt_array_size(tabmaxquerymatches));
    gt_array_delete(tabmaxquerymatches);
    gt_array_delete(maxmatchselfinfo.results);
  }
  gt_free(dbseq);
  gt_free(query);
  gt_encseq_delete(encseq);
  encseq = NULL;
  return haserr ? -1 : 0;
}
Ejemplo n.º 5
0
int gt_extractkeysfromdesfile(const char *indexname,
                              bool sortkeys,
                              GtLogger *logger,
                              GtError *err)
{
  FILE *fpin, *fpout = NULL;
  GtStr *line = NULL;
  const char *keyptr;
  unsigned long keylen, constantkeylen = 0, linenum;/* incorrectorder = 0;*/
  bool haserr = false, firstdesc = true;
  char *previouskey = NULL;
  Fixedsizekey *keytab = NULL, *keytabptr = NULL;
  GtEncseq *encseq = NULL;
  unsigned long numofentries = 0;
  const unsigned long linewidth = 60UL;

  fpin = gt_fa_fopen_with_suffix(indexname,GT_DESTABFILESUFFIX,"rb",err);
  if (fpin == NULL)
  {
    return -1;
  }
  if (!sortkeys)
  {
    fpout = gt_fa_fopen_with_suffix(indexname,GT_KEYSTABFILESUFFIX,"wb",err);
    if (fpout == NULL)
    {
      haserr = true;
    }
  }
  if (!haserr)
  {
    line = gt_str_new();
  }
  for (linenum = 0; !haserr && gt_str_read_next_line(line, fpin) != EOF;
       linenum++)
  {
    keyptr = desc2key(&keylen,gt_str_get(line),err);
    if (keyptr == NULL)
    {
      haserr = true;
      break;
    }
    if (keylen == 0)
    {
      gt_error_set(err,"key of length 0 in \"%s\" not expected",
                   gt_str_get(line));
      haserr = true;
      break;
    }
    if (firstdesc)
    {
      if (keylen > (unsigned long) CHAR_MAX)
      {
        gt_error_set(err,"key \"%*.*s\" of length %lu not allowed; "
                         "no key must be larger than %d",
                          (int) keylen,(int) keylen,keyptr,keylen,CHAR_MAX);
        haserr = true;
        break;
      }
      constantkeylen = keylen;
      previouskey = gt_malloc(sizeof (char) * (constantkeylen+1));
      firstdesc = false;
      if (!sortkeys)
      {
        gt_xfputc((char) constantkeylen,fpout);
      } else
      {
        GtEncseqLoader *el;
        if (constantkeylen > (unsigned long) MAXFIXEDKEYSIZE)
        {
          gt_error_set(err,"key \"%*.*s\" of length %lu not allowed; "
                           "no key must be larger than %d",
                            (int) keylen,(int) keylen,keyptr,keylen,
                            MAXFIXEDKEYSIZE);
          haserr = true;
          break;
        }
        el = gt_encseq_loader_new();
        gt_encseq_loader_set_logger(el, logger);
        encseq = gt_encseq_loader_load(el, indexname, err);
        gt_encseq_loader_delete(el);
        if (encseq == NULL)
        {
          haserr = true;
          break;
        }
        numofentries = gt_encseq_num_of_sequences(encseq);
        gt_assert(numofentries > 0);
        keytab = gt_malloc(sizeof (*keytab) * numofentries);
        keytabptr = keytab;
      }
    } else
    {
      if (constantkeylen != keylen)
      {
        gt_error_set(err,"key \"%*.*s\" of length %lu: all keys must be of "
                         "the same length which for all previously seen "
                         "headers is %lu",
                         (int) keylen,(int) keylen,keyptr,keylen,
                         constantkeylen);
        haserr = true;
        break;
      }
      gt_assert(previouskey != NULL);
      if (!sortkeys && strncmp(previouskey,keyptr,(size_t) constantkeylen) >= 0)
      {
        gt_error_set(err,"previous key \"%s\" is not lexicographically smaller "
                         "than current key \"%*.*s\"",
                         previouskey,(int) keylen,(int) keylen,keyptr);
        haserr = true;
        break;
        /*
        printf("previous key \"%s\" (no %lu) is lexicographically larger "
               "than current key \"%*.*s\"\n",
               previouskey,linenum,(int) keylen,(int) keylen,keyptr);
        incorrectorder++;
        */
      }
    }
    if (!sortkeys)
    {
      gt_xfwrite(keyptr,sizeof *keyptr,(size_t) keylen,fpout);
      gt_xfputc('\0',fpout);
    } else
    {
      gt_assert(keytabptr != NULL);
      strncpy(keytabptr->key,keyptr,(size_t) constantkeylen);
      keytabptr->key[constantkeylen] = '\0';
      keytabptr->seqnum = linenum;
      keytabptr++;
    }
    strncpy(previouskey,keyptr,(size_t) constantkeylen);
    previouskey[constantkeylen] = '\0';
    gt_str_reset(line);
  }
  if (!haserr)
  {
    gt_logger_log(logger,"number of keys of length %lu = %lu",
                constantkeylen,linenum);
    /*
    gt_logger_log(logger,"number of incorrectly ordered keys = %lu",
                incorrectorder);
    */
  }
  gt_str_delete(line);
  gt_fa_fclose(fpin);
  gt_fa_fclose(fpout);
  gt_free(previouskey);
  if (!haserr && sortkeys)
  {
    gt_assert(keytabptr != NULL);
    gt_assert(numofentries > 0);
    gt_assert(keytabptr == keytab + numofentries);
    qsort(keytab,(size_t) numofentries,sizeof (*keytab),compareFixedkeys);
    gt_assert(keytabptr != NULL);
    for (keytabptr = keytab; !haserr && keytabptr < keytab + numofentries;
         keytabptr++)
    {
      if (giextract_encodedseq2fasta(stdout,
                                     encseq,
                                     keytabptr->seqnum,
                                     NULL,
                                     linewidth,
                                     err) != 0)
      {
        haserr = true;
        break;
      }
    }
  }
  if (encseq != NULL)
  {
    gt_encseq_delete(encseq);
    encseq = NULL;
  }
  gt_free(keytab);
  return haserr ? -1 : 0;
}
Ejemplo n.º 6
0
static int gt_ltrdigest_runner(GT_UNUSED int argc, const char **argv,
                               int parsed_args, void *tool_arguments,
                               GtError *err)
{
  GtLTRdigestOptions *arguments = tool_arguments;
  GtNodeStream *gff3_in_stream   = NULL,
               *gff3_out_stream  = NULL,
               *ltrdigest_stream = NULL,
               *tab_out_stream   = NULL,
               *last_stream      = NULL;
  int had_err      = 0,
      tests_to_run = 0,
      arg = parsed_args;
  const char *indexname = argv[arg+1];
  GtLogger *logger = gt_logger_new(arguments->verbose,
                                   GT_LOGGER_DEFLT_PREFIX, stdout);
  GtEncseqLoader *el;
  GtEncseq *encseq;
  gt_error_check(err);
  gt_assert(arguments);

  /* Set sequence encoder options. Defaults are ok. */
  el = gt_encseq_loader_new();
  gt_encseq_loader_set_logger(el, logger);

  /* Open sequence file */
  encseq = gt_encseq_loader_load(el, indexname, err);
  if (!encseq)
    had_err = -1;

  /* Always search for PPT. */
  tests_to_run |= GT_LTRDIGEST_RUN_PPT;

  /* Open tRNA library if given. */
  if (!had_err && arguments->trna_lib
        && gt_str_length(arguments->trna_lib) > 0)
  {
    tests_to_run |= GT_LTRDIGEST_RUN_PBS;
   arguments->pbs_opts.trna_lib = gt_bioseq_new(gt_str_get(arguments->trna_lib),
                                                 err);
    if (gt_error_is_set(err))
      had_err = -1;
  }

#ifdef HAVE_HMMER
  /* Open HMMER files if given. */
  if (!had_err && gt_str_array_size(arguments->pdom_opts.hmm_files) > 0)
  {
    tests_to_run |= GT_LTRDIGEST_RUN_PDOM;
    if (!strcmp(gt_str_get(arguments->cutoffs), "GA")) {
      arguments->pdom_opts.cutoff = GT_PHMM_CUTOFF_GA;
    } else if (!strcmp(gt_str_get(arguments->cutoffs), "TC")) {
      arguments->pdom_opts.cutoff = GT_PHMM_CUTOFF_TC;
    } else if (!strcmp(gt_str_get(arguments->cutoffs), "NONE")) {
      arguments->pdom_opts.cutoff = GT_PHMM_CUTOFF_NONE;
    } else {
      gt_error_set(err, "invalid cutoff setting!");
      had_err = -1;
    }
  }
#endif

  if (!had_err)
  {
    /* set up stream flow
     * ------------------*/
    last_stream = gff3_in_stream  = gt_gff3_in_stream_new_sorted(argv[arg]);

    last_stream = ltrdigest_stream = gt_ltrdigest_stream_new(last_stream,
                                                  tests_to_run,
                                                  encseq,
                                                  &arguments->pbs_opts,
                                                  &arguments->ppt_opts,
#ifdef HAVE_HMMER
                                                  &arguments->pdom_opts,
#endif
                                                  err);
    if (!ltrdigest_stream)
      had_err = -1;
  }

  if (!had_err)
  {
    /* attach tabular output stream, if requested */
    if (gt_str_length(arguments->prefix) > 0)
    {
      last_stream = tab_out_stream = gt_ltr_fileout_stream_new(last_stream,
                                              tests_to_run,
                                              encseq,
                                              gt_str_get(arguments->prefix),
                                              &arguments->ppt_opts,
                                              &arguments->pbs_opts,
#ifdef HAVE_HMMER
                                              &arguments->pdom_opts,
#endif
                                              gt_str_get(arguments->trna_lib),
                                              argv[arg+1],
                                              argv[arg],
                                              arguments->seqnamelen,
                                              err);
#ifdef HAVE_HMMER
    if (&arguments->pdom_opts.write_alignments)
      gt_ltr_fileout_stream_enable_pdom_alignment_output(tab_out_stream);
    if (&arguments->pdom_opts.write_aaseqs)
      gt_ltr_fileout_stream_enable_aa_sequence_output(tab_out_stream);
#endif
    }

    last_stream = gff3_out_stream = gt_gff3_out_stream_new(last_stream,
                                                           arguments->outfp);

    /* pull the features through the stream and free them afterwards */
    had_err = gt_node_stream_pull(last_stream, err);
  }

  gt_node_stream_delete(gff3_out_stream);
  gt_node_stream_delete(ltrdigest_stream);
  if (tab_out_stream != NULL)
    gt_node_stream_delete(tab_out_stream);
  gt_node_stream_delete(gff3_in_stream);

  gt_encseq_loader_delete(el);
  gt_encseq_delete(encseq);
  encseq = NULL;
  gt_bioseq_delete(arguments->pbs_opts.trna_lib);
  gt_logger_delete(logger);

  return had_err;
}