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/** BEGIN COPYRIGHT BLOCK
* This Program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; version 2 of the License.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA.
*
* In addition, as a special exception, Red Hat, Inc. gives You the additional
* right to link the code of this Program with code not covered under the GNU
* General Public License ("Non-GPL Code") and to distribute linked combinations
* including the two, subject to the limitations in this paragraph. Non-GPL Code
* permitted under this exception must only link to the code of this Program
* through those well defined interfaces identified in the file named EXCEPTION
* found in the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline functions from
* the Approved Interfaces without causing the resulting work to be covered by
* the GNU General Public License. Only Red Hat, Inc. may make changes or
* additions to the list of Approved Interfaces. You must obey the GNU General
* Public License in all respects for all of the Program code and other code used
* in conjunction with the Program except the Non-GPL Code covered by this
* exception. If you modify this file, you may extend this exception to your
* version of the file, but you are not obligated to do so. If you do not wish to
* provide this exception without modification, you must delete this exception
* statement from your version and license this file solely under the GPL without
* exception.
*
*
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifndef __lexer_h
#define __lexer_h
#ifndef _POOL_H_
#include "base/pool.h"
#endif /* _POOL_H_ */
/* Define error codes */
#define LEXERR_MALLOC -1 /* insufficient dynamic memory */
typedef struct LEXStream_s LEXStream_t;
typedef int (*LEXStreamGet_t)(LEXStream_t *);
struct LEXStream_s {
LEXStream_t * lst_next; /* link for "include" parent stream */
void * lst_strmid; /* client stream identifier */
LEXStreamGet_t lst_get; /* pointer to stream "get" function */
char * lst_buf; /* stream buffer pointer */
char * lst_cp; /* current position in buffer */
int lst_len; /* remaining bytes in buffer */
int lst_buflen; /* buffer length */
int lst_flags; /* bit flags */
#define LST_FREEBUF 0x1 /* free lst_buf in stream destroy */
};
NSPR_BEGIN_EXTERN_C
/* Functions in lexer.c */
NSAPI_PUBLIC
int lex_class_check(void * chtab, char code, unsigned long cbits);
NSAPI_PUBLIC
int lex_class_create(int classc, char * classv[], void **pchtab);
NSAPI_PUBLIC void lex_class_destroy(void * chtab);
NSAPI_PUBLIC
LEXStream_t * lex_stream_create(LEXStreamGet_t strmget, void * strmid,
char * buf, int buflen);
NSAPI_PUBLIC void lex_stream_destroy(LEXStream_t * lst);
NSAPI_PUBLIC int
lex_token_new(pool_handle_t * pool, int initlen, int growlen, void **token);
NSAPI_PUBLIC int lex_token_start(void * token);
NSAPI_PUBLIC
char * lex_token_info(void * token, int * tdatalen, int * tbufflen);
NSAPI_PUBLIC char * lex_token(void * token);
NSAPI_PUBLIC void lex_token_destroy(void * token);
NSAPI_PUBLIC
char * lex_token_get(void * token, int * tdatalen, int * tbufflen);
NSAPI_PUBLIC char * lex_token_take(void * token);
NSAPI_PUBLIC
int lex_token_append(void * token, int nbytes, char * src);
NSAPI_PUBLIC
int lex_next_char(LEXStream_t * lst, void * chtab, unsigned long cbits);
NSAPI_PUBLIC
int lex_scan_over(LEXStream_t * lst, void * chtab, unsigned long cbits,
void * token);
NSAPI_PUBLIC
int lex_scan_string(LEXStream_t * lst, void * token, int flags);
NSAPI_PUBLIC
int lex_scan_to(LEXStream_t * lst, void * chtab, unsigned long cbits,
void * token);
NSAPI_PUBLIC
int lex_skip_over(LEXStream_t * lst, void * chtab, unsigned long cbits);
NSAPI_PUBLIC
int lex_skip_to(LEXStream_t * lst, void * chtab, unsigned long cbits);
NSPR_END_EXTERN_C
#endif /* __lexer_h */
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