#include <iostream>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vector>
#include <hs/hs.h>
#include <hs/utf8_validate.h>

using namespace std;

int main(int argc, char **argv) {
       
        /**
	 * in Hex : 7f 20 48 65 6c 6c 6f 20 62 6f 62
	 *
	 * */

	char pattern[] = { 127, 32, 72, 101, 108, 108, 111, 32, 98, 111, 98};
	std::cout << "--------------------- RAW PATTERN --------------------" << endl;
        fprintf(stdout, "INFO:  pattern to be checked raw: \"%s\"\n", pattern);

	hs_database_t *database;

        // Printing char array elements in decimal value	
	for (int i =0; i < strlen(pattern); i++)
	{
		int a = pattern[i];
		std::cout << a << " " ;
	}
         
	std::cout << endl;;
	//End Printing
        
	std::vector<const char*> keyArray;
        std::vector<unsigned int> flagArray;
        std::vector<unsigned int> idArray;
        hs_compile_error_t *perror;
        keyArray.push_back(pattern);
        idArray.push_back(1);
        flagArray.assign(keyArray.size(), HS_FLAG_DOTALL | HS_FLAG_UTF8 | HS_FLAG_CASELESS);
        hs_error_t error = hs_compile_multi(keyArray.data(), flagArray.data(),
                        idArray.data(), keyArray.size(), HS_MODE_BLOCK, NULL, &database,
                        &perror);
        if (error != HS_SUCCESS) {
                std::cout << " error happened: " << perror->message << std::endl;

        } else {
                std::cout << " success: " << error << std::endl;
        }

        bool valid = ue2::isValidUtf8(pattern, strlen(pattern));
	std::cout << " is valid: " << valid << std::endl;
	return 0;
}