ref: 4148cdd9f2b07cdc5cf653a7c3637e82cc40c839
dir: /lang/cmulex/cmu_postlex.c/
/*************************************************************************/
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/*************************************************************************/
/* Author: Alan W Black (awb@cs.cmu.edu) */
/* Date: August 2008 */
/*************************************************************************/
/* Moved the CMU lexicon specific postlexical rules into cmulex itself */
/*************************************************************************/
#include "flite.h"
static void apostrophe_s(cst_utterance *u)
{
cst_item *s;
cst_item *schwa;
cst_phoneset *ps=0;
const char *pname, *word;
ps = val_phoneset(feat_val(u->features,"phoneset"));
for (s=item_next(relation_head(utt_relation(u,"Segment")));
s; s=item_next(s))
{
word = val_string(ffeature(s, "R:SylStructure.parent.parent.name"));
if (cst_streq("'s", word))
{
pname = item_feat_string(item_prev(s),"name");
if ((strchr("fa",*phone_feature_string(ps,pname,"ctype")) != NULL)
&& (strchr("dbg",
*phone_feature_string(ps,pname,"cplace")) == NULL))
/* needs a schwa */
{
schwa = item_prepend(s,NULL);
item_set_string(schwa,"name","ax");
item_prepend(item_as(s,"SylStructure"),schwa);
}
else if (cst_streq("-",phone_feature_string(ps,pname,"cvox")))
item_set_string(s,"name","s");
}
else if (cst_streq("'ve", word)
|| cst_streq("'ll", word)
|| cst_streq("'d", word))
{
if (cst_streq("-",ffeature_string(s,"p.ph_vc")))
{
schwa = item_prepend(s,NULL);
item_set_string(schwa,"name","ax");
item_prepend(item_as(s,"SylStructure"),schwa);
}
}
}
}
static void the_iy_ax(cst_utterance *u)
{
const cst_item *i;
const char *word;
for (i = relation_head(utt_relation(u, "Segment")); i; i = item_next(i))
{
if (cst_streq("ax", item_name(i)))
{
word = ffeature_string(i,"R:SylStructure.parent.parent.name");
if (cst_streq("the", word)
&& cst_streq("+", ffeature_string(i,"n.ph_vc")))
item_set_string(i, "name", "iy");
}
}
}
cst_utterance *cmu_postlex(cst_utterance *u)
{
/* Post lexical rules */
apostrophe_s(u);
the_iy_ax(u);
return u;
}