/* Implementation of helping functions for lexers that use a nested,   underlying lexer. *//* Copyright (C) 1997, 1998, 1999 Andrew McCallum   Written by:  Andrew Kachites McCallum <mccallum@cs.cmu.edu>   This file is part of the Bag-Of-Words Library, `libbow'.   This library is free software; you can redistribute it and/or   modify it under the terms of the GNU Library General Public License   as published by the Free Software Foundation, version 2.      This library 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   Library General Public License for more details.   You should have received a copy of the GNU Library General Public   License along with this library; if not, write to the Free Software   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA */#include <bow/libbow.h>/* Open the underlying lexer. */bow_lex *bow_lexer_next_open_text_fp (bow_lexer *self, FILE *fp,			     const char *filename){  assert (self->next);  return self->next->open_text_fp (self->next, fp, filename);}/* Open the underlying lexer. */bow_lex *bow_lexer_next_open_str (bow_lexer *self, char *buf){  assert (self->next);  return self->next->open_str (self->next, buf);}/* Get a word using the next lexer */intbow_lexer_next_get_word (bow_lexer *self, bow_lex *lex, 			 char *buf, int buflen){  assert (self->next);  return self->next->get_word (self->next, lex, buf, buflen);}/* Get a raw word using the next lexer */intbow_lexer_next_get_raw_word (bow_lexer *self, bow_lex *lex, 			     char *buf, int buflen){  assert (self->next);  return self->next->get_raw_word (self->next, lex, buf, buflen);}/* Postprocess a word using the next lexer */intbow_lexer_next_postprocess_word (bow_lexer *self, bow_lex *lex, 				 char *buf, int buflen){  assert (self->next);  return self->next->postprocess_word (self->next, lex, 					     buf, buflen);}/* Close the underlying lexer. */voidbow_lexer_next_close (bow_lexer *self, bow_lex *lex){  assert (self->next);  self->next->close (self->next, lex);}