ref: 25477859abb169a6041bca8e318c2b7039f5189d
dir: /include/cst_lexicon.h/
/*************************************************************************/
/* */
/* 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 */
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/* 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 */
/*************************************************************************/
/* */
/* Lexicon related functions */
/* */
/*************************************************************************/
#ifndef _CST_LEXICON_H__
#define _CST_LEXICON_H__
#include "cst_item.h"
#include "cst_lts.h"
typedef struct lexicon_struct {
const char *name;
int num_entries;
/* Entries are centered around bytes with value 255 */
/* entries and forward (compressed) pronunciations and backwards */
/* each are terminated (preceeded in pron case) by 0 */
/* This saves 4 bytes per entry for an index */
unsigned char *data; /* the entries and phone strings */
int num_bytes; /* the number of bytes in the data */
char **phone_table;
cst_lts_rules *lts_rule_set;
int (*syl_boundary)(const cst_item *i,const cst_val *p);
cst_val *(*lts_function)(const struct lexicon_struct *l, const char *word, const char *pos, const cst_features *feats);
char ***addenda;
/* ngram frequency table used for packed entries */
const char * const *phone_hufftable;
const char * const *entry_hufftable;
cst_utterance *(*postlex)(cst_utterance *u);
cst_val *lex_addenda; /* For pronunciations added at run time */
} cst_lexicon;
cst_lexicon *new_lexicon();
void delete_lexicon(cst_lexicon *lex);
cst_val *cst_lex_make_entry(const cst_lexicon *lex,
const cst_string *entry);
cst_val *cst_lex_load_addenda(const cst_lexicon *lex,
const char *lexfile);
cst_val *lex_lookup(const cst_lexicon *l, const char *word, const char *pos,
const cst_features *feats);
int in_lex(const cst_lexicon *l, const char *word, const char *pos,
const cst_features *feats);
CST_VAL_USER_TYPE_DCLS(lexicon,cst_lexicon)
#endif