/*
Primeiro script com regex
by: vold
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <regex.h>
#include <string.h>

#define REGEX "[a-zA-Z]+.[:][//]+.[a-z]"
#define REGEX2 "[/][a-zA-Z]+.[a-z]"

#define MAX 1024

int main(void) {
    void funct(char str[MAX]);
    char vold[MAX], ent[MAX], buff[MAX], ur[MAX], out[MAX];
    regex_t teste;
    memset(ent, '\0', MAX);
    memset(buff, '\0', MAX);
    memset(out, '\0', MAX);

    fprintf(stdout, "site: ");
    fgets(ent, sizeof(ent), stdin);
    ent[strlen(ent) - 1] = '\0';
    sscanf(ent, "%s", vold);

    fprintf(stdout, "uri: ");
    scanf("%s", out);

    putchar('\n');
    if(regcomp(&teste, REGEX, REG_EXTENDED|REG_NOSUB) != 0) {
        fprintf(stderr, "regcomp. \n");
        exit(-1);
    } else {
        if(( regexec(&teste, vold, 0, (regmatch_t*)NULL, 0)) == 0 ){
            sscanf(vold, "%s", buff);
        } else {
            fprintf(stderr, "invalido. \n");
            exit(-1);
        }
    }


     fprintf(stdout, "URL: %s\n", buff);
    funct(out);
    return 0;
}
void funct(char str[MAX]) {
    regex_t teste2;
    putchar('\n');
    if( regcomp(&teste2, REGEX2, REG_EXTENDED|REG_NOSUB) != 0) {
        fprintf(stderr, "regcomp. \n");
        exit(-1);
    } else {
        if (( regexec(&teste2, str, 0, (regmatch_t *)NULL, 0)) == 0) {
            fprintf(stdout, "URIPATH: %s\n", str);
        } else {
            fprintf(stderr, "invalido. \n");
            exit(-1);
        }

    }
}