ref: ddca83a2f0f45046c7008bb3e19da5294a1bd160
dir: /lang/cmu_grapheme_lang/cmu_grapheme_lang.c/
/*************************************************************************/
/* */
/* Language Technologies Institute */
/* Carnegie Mellon University */
/* Copyright (c) 2013 */
/* 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. */
/* */
/*************************************************************************/
/* */
/* grapheme language support */
/* */
/*************************************************************************/
#include "flite.h"
#include "cst_val.h"
#include "cst_voice.h"
#include "cst_lexicon.h"
#include "cst_ffeatures.h"
#include "cmu_grapheme_lang.h"
static cst_val *cmu_grapheme_tokentowords(cst_item *token)
{
/* Return list of words that expand token/name */
cst_val *r;
const char *name;
name = item_name(token);
if (item_feat_present(token,"phones"))
return cons_val(string_val(name),NULL);
#if 0
if (item_feat_present(token,"nsw"))
nsw = item_feat_string(token,"nsw");
utt = item_utt(token);
lex = val_lexicon(feat_val(utt->features,"lexicon"));
#endif
if (cst_strlen(name) > 0)
r = cons_val(string_val(name),0);
else
r = NULL;
return r;
}
int grapheme_utt_break(cst_tokenstream *ts,
const char *token,
cst_relation *tokens)
{
/* We'll respect Latin punctuation */
const char *postpunct = item_feat_string(relation_tail(tokens), "punc");
/* const char *ltoken = item_name(relation_tail(tokens)); */
if (cst_strchr(ts->whitespace,'\n') != cst_strrchr(ts->whitespace,'\n'))
/* contains two new lines */
return TRUE;
else if (strchr(postpunct,':') ||
strchr(postpunct,'?') ||
strchr(postpunct,'!'))
return TRUE;
else if (strchr(postpunct,'.'))
return TRUE;
else
return FALSE;
}
void cmu_grapheme_lang_init(cst_voice *v)
{
/* Set grapheme language stuff */
feat_set_string(v->features,"language","cmu_grapheme_lang");
/* utterance break function */
feat_set(v->features,"utt_break",breakfunc_val(&grapheme_utt_break));
/* Phoneset -- need to get this from voice */
feat_set(v->features,"phoneset",phoneset_val(&cmu_grapheme_phoneset));
feat_set_string(v->features,"silence",cmu_grapheme_phoneset.silence);
/* Get information from voice and add to lexicon */
/* Text analyser -- whitespace defaults */
feat_set_string(v->features,"text_whitespace",
cst_ts_default_whitespacesymbols);
feat_set_string(v->features,"text_postpunctuation",
cst_ts_default_postpunctuationsymbols);
feat_set_string(v->features,"text_prepunctuation",
cst_ts_default_prepunctuationsymbols);
feat_set_string(v->features,"text_singlecharsymbols",
cst_ts_default_singlecharsymbols);
/* Tokenization tokenization function */
feat_set(v->features,"tokentowords_func",itemfunc_val(&cmu_grapheme_tokentowords));
/* Pos tagger (gpos)/induced pos */
/* Phrasing */
feat_set(v->features,"phrasing_cart",cart_val(&cmu_grapheme_phrasing_cart));
/* Intonation, Duration and F0 -- part of cg */
feat_set_string(v->features,"no_intonation_accent_model","1");
/* Default ffunctions (required) */
basic_ff_register(v->ffunctions);
return;
}