%{ 

#include <stdlib.h>
#include <string.h>

//counter
int measures = 0;

%}


%option yylineno
%option outfile = "text-abcfilter.c"
%option noyywrap

%x ABC

%% 

\<abc\>           	      {BEGIN(ABC);}
<ABC>"||"                     {measures++;}
<ABC>"|"                      {measures++;}  
<ABC>\<\/abc\> 		      {BEGIN(INITIAL);}

<*>.|\n			      {;}
<<EOF>>	 		      { 
				int newState;
				if(measures==0) newState=0;
				else newState=1;                                        		
				fprintf(stdout,"%d",newState);
				return 0;
			      }


%%




void yyerror(char *s){
	fprintf(stderr,"ERRO (linha %d):antes de '%s'\n-%s",yylineno, yytext,s);
}


int main( int argc, char **argv ) {
	++argv, --argc;

        if ( argc > 0 ){
		yyin = fopen( argv[0], "r" );
	}
	else{   
		yyin = stdin;
	
	    }
	yylex();	
	return 0;
}