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/*
* FPMs-TCTS SOFTWARE LIBRARY
*
* File: parser_fifo.c
* Purpose: polymorphic type to parse a "pho file"
* Author: Vincent Pagel
* Email : mbrola@tcts.fpms.ac.be
*
* Copyright (c) 1995-2018 Faculte Polytechnique de Mons (TCTS lab)
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* 18/06/98 : Created
*/
#ifndef _PARSER_H
#define _PARSER_H
#include "phone.h"
/* Return values of the nextphone function */
typedef enum {
PHO_OK,
PHO_EOF,
PHO_FLUSH,
PHO_ERROR
} StatePhone;
/* Polymorphic type */
typedef struct Parser Parser;
typedef void (*reset_ParserFunction)(Parser* ps);
typedef void (*close_ParserFunction)(Parser* ps);
typedef StatePhone (*nextphone_ParserFunction)(Parser* ps,Phone** ph);
/*
* Generic parser :
* reset: forget remaining data in the buffer (when the user STOP synthesis for example
*
* close: release the memory
*
* nextphone: return the next Phoneme from input.
*
* PRECONDITION: this phoneme MUST have a pitch point at 0 and 100%
*
* THE CALLER IS IN CHARGE OF CALLING close_Phone ON THE PHONES HE GETS
* WITH nextphone
*/
struct Parser
{
void* self; /* Polymorphic on the real type */
reset_ParserFunction reset_Parser; /* virtual func */
close_ParserFunction close_Parser; /* virtual func */
nextphone_ParserFunction nextphone_Parser; /* virtual func */
};
#endif
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