%{ 

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


//project media directory
char *statePath;

//counter
int measures = 0;

//X field
char *abcID = "";
char *checkID;

//updatedContent
char upContent[3000];

%}

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

%x UPDATEMODE

%% 
"X:".*                   {abcID = strdup(yytext+2); fprintf(stdout,"X: %s\n",abcID);}
"||"                     {measures++;}
"|"                      {measures++;}  

.|\n			 {;}
<INITIAL><<EOF>>	 { 	BEGIN(UPDATEMODE); 
				yyin = NULL;
				yyin = fopen( statePath, "r" );
				fprintf(stdout,"Total measures: %d\n",measures);
			 }


<UPDATEMODE>[0-9]\[[0-9]+\]	{
                                checkID = strdup(yytext+2);
                                checkID[strlen(checkID)-1]='\0';
				if(strcmp(abcID,checkID)==0){
					char newState;
					if(measures==0) newState='0';
					else newState='1';                                        
					yytext[0]=newState;
					strcat(upContent,yytext);
				}
				else strcat(upContent,yytext);
				}

<UPDATEMODE>.|\n	 	{  strcat(upContent,yytext);  }  
<UPDATEMODE><<EOF>>      	{
				 //write upContent
				 FILE *file; 
				 file = fopen( statePath, "w");
				 fprintf(file,"%s",upContent); /*writes*/ 
				 fclose(file); /*done!*/ 
				 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;
        upContent[0]='\0';

        if ( argc > 1 ){
		yyin = fopen( argv[0], "r" );
                statePath = argv[1];
	}
	else{   
		yyin = stdin;
	
	    }
	yylex();	
	return 0;
}