static int crf1m_model_create(const char *filename, crfsuite_model_t** ptr_model)
{
int ret = 0;
crf1dm_t *crf1dm = NULL;
crf1dt_t *crf1dt = NULL;
crfsuite_model_t *model = NULL;
model_internal_t *internal = NULL;
crfsuite_tagger_t *tagger = NULL;
crfsuite_dictionary_t *attrs = NULL, *labels = NULL;
*ptr_model = NULL;
/* Open the model file. */
crf1dm = crf1dm_new(filename);
if (crf1dm == NULL) {
ret = CRFSUITEERR_INCOMPATIBLE;
goto error_exit;
}
/* Construct a tagger based on the model. */
crf1dt = crf1dt_new(crf1dm);
if (crf1dt == NULL) {
ret = CRFSUITEERR_OUTOFMEMORY;
goto error_exit;
}
/* Create an instance of internal data attached to the model. */
internal = (model_internal_t*)calloc(1, sizeof(model_internal_t));
if (internal == NULL) {
ret = CRFSUITEERR_OUTOFMEMORY;
goto error_exit;
}
/* Create an instance of dictionary object for attributes. */
attrs = (crfsuite_dictionary_t*)calloc(1, sizeof(crfsuite_dictionary_t));
if (attrs == NULL) {
ret = CRFSUITEERR_OUTOFMEMORY;
goto error_exit;
}
attrs->internal = crf1dm;
attrs->nref = 1;
attrs->addref = model_attrs_addref;
attrs->release = model_attrs_release;
attrs->get = model_attrs_get;
attrs->to_id = model_attrs_to_id;
attrs->to_string = model_attrs_to_string;
attrs->num = model_attrs_num;
attrs->free = model_attrs_free;
/* Create an instance of dictionary object for labels. */
labels = (crfsuite_dictionary_t*)calloc(1, sizeof(crfsuite_dictionary_t));
if (labels == NULL) {
ret = CRFSUITEERR_OUTOFMEMORY;
goto error_exit;
}
labels->internal = crf1dm;
labels->nref = 1;
labels->addref = model_labels_addref;
labels->release = model_labels_release;
labels->get = model_labels_get;
labels->to_id = model_labels_to_id;
labels->to_string = model_labels_to_string;
labels->num = model_labels_num;
labels->free = model_labels_free;
/* Create an instance of tagger object. */
tagger = (crfsuite_tagger_t*)calloc(1, sizeof(crfsuite_tagger_t));
if (tagger == NULL) {
ret = CRFSUITEERR_OUTOFMEMORY;
goto error_exit;
}
tagger->internal = crf1dt;
tagger->nref = 1;
tagger->addref = tagger_addref;
tagger->release = tagger_release;
tagger->set = tagger_set;
tagger->length = tagger_length;
tagger->viterbi = tagger_viterbi;
tagger->viterbi_decode = tagger_viterbi_decode;
tagger->score = tagger_score;
tagger->lognorm = tagger_lognorm;
tagger->marginal_point = tagger_marginal_point;
tagger->marginal_path = tagger_marginal_path;
/* Set the internal data for the model object. */
internal->crf1dm = crf1dm;
internal->attrs = attrs;
internal->labels = labels;
internal->tagger = tagger;
/* Create an instance of model object. */
model = (crfsuite_model_t*)calloc(1, sizeof(crfsuite_model_t));
if (model == NULL) {
ret = CRFSUITEERR_OUTOFMEMORY;
goto error_exit;
}
model->internal = internal;
model->nref = 1;
model->addref = model_addref;
model->release = model_release;
model->get_attrs = model_get_attrs;
model->get_labels = model_get_labels;
model->get_tagger = model_get_tagger;
model->dump = model_dump;
*ptr_model = model;
return 0;
error_exit:
free(tagger);
free(labels);
free(attrs);
if (crf1dt != NULL) {
crf1dt_delete(crf1dt);
}
if (crf1dm != NULL) {
crf1dm_close(crf1dm);
}
free(internal);
free(model);
return ret;
}
int crf1m_create_instance_from_file(const char *filename, void **ptr)
{
return crf1m_model_create(crf1dm_new(filename), (crfsuite_model_t**)ptr);
}
