| /* |
| * This file is part of flex. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE. |
| */ |
| |
| %{ |
| /* The scanner expects to link to bison yylval . */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include "bison_yylval_parser.h" |
| #include "config.h" |
| static char* STRDUP(char* s1); |
| |
| enum yesno_t { no=0, yes=1 }; |
| #define YY_EXTRA_TYPE enum yesno_t |
| %} |
| |
| %option 8bit prefix="test" |
| %option reentrant bison-bridge |
| %option header="bison_yylval_scanner.h" |
| %option noyywrap nomain nounput noyy_top_state noyywrap nodefault noinput warn |
| %option stack |
| |
| |
| %x IN_TAG |
| %x DISCARD_THRU_GT |
| %% |
| |
| #define YY_USER_INIT yyextra = no; |
| #define NEED_TAG_NAME yyextra |
| |
| |
| <INITIAL>{ |
| "</" { NEED_TAG_NAME= yes; yy_push_state( IN_TAG, yyscanner); return LTSLASH;} |
| "<"[^[:alpha:]] { yy_push_state(DISCARD_THRU_GT,yyscanner); } |
| "<" { NEED_TAG_NAME= yes; yy_push_state( IN_TAG, yyscanner); return LT; } |
| [^<]{1,512} { testget_lval(yyscanner)->str = STRDUP(yytext); return TEXT;} |
| } |
| <IN_TAG>{ |
| ">" { yy_pop_state( yyscanner ); return GT; } |
| [[:alpha:]][[:alnum:]]* { |
| if( NEED_TAG_NAME == yes){ |
| NEED_TAG_NAME=no; |
| yylval->str = STRDUP(yytext); |
| return TAGNAME; |
| } |
| } |
| |
| .|\r|\n { } |
| } |
| <DISCARD_THRU_GT>{ |
| [^>]{1,512} { } |
| ">" { yy_pop_state(yyscanner);} |
| } |
| %% |
| |
| |
| static char* STRDUP(char* s1) |
| { |
| char* s2 = malloc(strlen(s1)+1); |
| sprintf(s2,"%s",s1); |
| return s2; |
| } |