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include/jsgf.h

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00001 /* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
00002 /* ====================================================================
00003  * Copyright (c) 2007 Carnegie Mellon University.  All rights
00004  * reserved.
00005  *
00006  * Redistribution and use in source and binary forms, with or without
00007  * modification, are permitted provided that the following conditions
00008  * are met:
00009  *
00010  * 1. Redistributions of source code must retain the above copyright
00011  *    notice, this list of conditions and the following disclaimer. 
00012  *
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  *    notice, this list of conditions and the following disclaimer in
00015  *    the documentation and/or other materials provided with the
00016  *    distribution.
00017  *
00018  * This work was supported in part by funding from the Defense Advanced 
00019  * Research Projects Agency and the National Science Foundation of the 
00020  * United States of America, and the CMU Sphinx Speech Consortium.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND 
00023  * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
00024  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00025  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
00026  * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00027  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
00028  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
00029  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
00030  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
00031  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
00032  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033  *
00034  * ====================================================================
00035  *
00036  */
00037 
00038 #ifndef __JSGF_H__
00039 #define __JSGF_H__
00040 
00048 /* Win32/WinCE DLL gunk */
00049 #include <sphinxbase_export.h>
00050 #include <hash_table.h>
00051 #include <glist.h>
00052 #include <stdio.h>
00053 #include <fsg_model.h>
00054 #include <logmath.h>
00055 
00056 #ifdef __cplusplus
00057 extern "C" {
00058 #endif
00059 #if 0
00060 /* Fool Emacs. */
00061 }
00062 #endif
00063 
00064 typedef struct jsgf_s jsgf_t;
00065 typedef struct jsgf_rule_s jsgf_rule_t;
00066 
00073 SPHINXBASE_EXPORT
00074 jsgf_t *jsgf_grammar_new(jsgf_t *parent);
00075 
00083 SPHINXBASE_EXPORT
00084 jsgf_t *jsgf_parse_file(const char *filename, jsgf_t *parent);
00085 
00089 SPHINXBASE_EXPORT
00090 void jsgf_grammar_free(jsgf_t *jsgf);
00091 
00095 typedef hash_iter_t jsgf_rule_iter_t;
00096 
00100 SPHINXBASE_EXPORT
00101 jsgf_rule_iter_t *jsgf_rule_iter(jsgf_t *grammar);
00102 
00106 #define jsgf_rule_iter_next(itor) hash_table_iter_next(itor)
00107 
00111 #define jsgf_rule_iter_rule(itor) ((jsgf_rule_t *)(itor)->ent->val)
00112 
00116 #define jsgf_rule_iter_free(itor) hash_table_iter_free(itor)
00117 
00121 SPHINXBASE_EXPORT
00122 jsgf_rule_t *jsgf_get_rule(jsgf_t *grammar, char const *name);
00123 
00127 SPHINXBASE_EXPORT
00128 char const *jsgf_rule_name(jsgf_rule_t *rule);
00129 
00133 SPHINXBASE_EXPORT
00134 int jsgf_rule_public(jsgf_rule_t *rule);
00135 
00139 SPHINXBASE_EXPORT
00140 fsg_model_t *jsgf_build_fsg(jsgf_t *grammar, jsgf_rule_t *rule,
00141                             logmath_t *lmath, float32 lw);
00142 
00149 SPHINXBASE_EXPORT
00150 int jsgf_write_fsg(jsgf_t *grammar, jsgf_rule_t *rule, FILE *outfh);
00151 
00152 #ifdef __cplusplus
00153 }
00154 #endif
00155 
00156 
00157 #endif /* __JSGF_H__ */

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