ref: 397265f5791291defa76487c2388e1898e2e433c
dir: /src/hrg/cst_utterance.c/
/*************************************************************************/
/* */
/* Language Technologies Institute */
/* Carnegie Mellon University */
/* Copyright (c) 1999 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* Author: Alan W Black (awb@cs.cmu.edu) */
/* Date: December 1999 */
/*************************************************************************/
/* */
/* Utterances */
/* */
/*************************************************************************/
#include "cst_alloc.h"
#include "cst_utterance.h"
/* utterance functions are the modules that do the meat in synthesis */
CST_VAL_REGISTER_FUNCPTR(uttfunc,cst_uttfunc)
cst_utterance *new_utterance()
{
cst_utterance *u;
u = cst_alloc(struct cst_utterance_struct,1);
u->ctx = new_alloc_context(128*1024);
u->features = new_features_local(u->ctx);
u->ffunctions = new_features_local(u->ctx);
u->relations = new_features_local(u->ctx);
return u;
}
void delete_utterance(cst_utterance *u)
{
cst_featvalpair *fp;
if (u)
{
delete_features(u->features);
delete_features(u->ffunctions);
/* Relation vals don't delete their contents */
for (fp=u->relations->head; fp; fp=fp->next)
delete_relation(val_relation(fp->val));
delete_features(u->relations);
delete_alloc_context(u->ctx);
cst_free(u);
}
}
cst_relation *utt_relation_create(cst_utterance *u,const char *name)
{
cst_relation *r;
utt_relation_delete(u,name); /* remove if already there */
r = new_relation(name,u);
feat_set(u->relations,name,relation_val(r));
return r;
}
int utt_relation_delete(cst_utterance *u,const char *name)
{
/* Relation vals don't delete their contents */
if (feat_present(u->relations, name))
delete_relation(val_relation(feat_val(u->relations,name)));
return feat_remove(u->relations,name);
}
int utt_relation_present(cst_utterance *u,const char *name)
{
return feat_present(u->relations,name);
}
cst_relation *utt_relation(const cst_utterance *u,const char *name)
{
const cst_val *v = feat_val(u->relations,name);
if (v != NULL)
return val_relation(v);
else
{
cst_errmsg("Relation: %s not present in utterance\n",
name);
cst_error();
}
return NULL;
}