public byte[] Clean_img_url(byte[] raw, int raw_len) {
int pos_bgn = 0;
if (Bry_.Has_at_bgn(raw, Bry_fwd_slashes, 0, raw_len)) pos_bgn = Bry_fwd_slashes.length;
if (Bry_.Has_at_bgn(raw, Bry_http, 0, raw_len)) pos_bgn = Bry_http.length;
int pos_slash = Bry_find_.Find_fwd(raw, Byte_ascii.Slash, pos_bgn, raw_len);
if (pos_slash == Bry_find_.Not_found)
return null; // first segment is site_name; at least one slash must be present for image name;
// EX: site.org/img_name.jpg
if (pos_slash == raw_len - 1) return null; // "site.org/" is invalid
int pos_end = raw_len;
int pos_question = Bry_find_.Find_bwd(raw, Byte_ascii.Question);
if (pos_question != Bry_find_.Not_found)
pos_end = pos_question; // remove query params; EX: img_name?key=val
return Bry_.Mid(raw, pos_bgn, pos_end);
}
