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#include <stdio.h>
#include <string.h>
/*
schemes are case sensitive but cononicals are lower case.
domain is case insensitive. return it lowercased.
port is optional and in decimal
path
scheme://username:password@domain:port/path?query_string#fragment_id
mailto:username@domain
optional stuff:
scheme, username, password, port, path, query_string, fragment_id
*/
/*
#define DEFAULT_SCHEME "http"
#define DEFAULT_USERNAME "anonymous"
#define DEFAULT_PASSWORD "anonymous"
#define DEFAULT_PORT "80"
#define DEFAULT_QUERY_STRING ""
#define DEFAULT_FRAGMENT_ID ""
*/
#define DEFAULT_SCHEME "DEFAULT"
#define DEFAULT_USERNAME "DEFAULT"
#define DEFAULT_PASSWORD "DEFAULT"
#define DEFAULT_PORT "DEFAULT"
#define DEFAULT_PATH "DEFAULT"
#define DEFAULT_QUERY_STRING "DEFAULT"
#define DEFAULT_FRAGMENT_ID "DEFAULT"
int main() {
char line[1024];
char *scheme=0;
char *username=0;
char *password=0;
char *domain=0;
char *port=0;
char *path=0;
char *query_string=0;
char *fragment_id=0;
int i;
fgets(line,sizeof(line),stdin);
for(i=0;line[i] && line[i] != '\n' && line[i] != '\r';i++);
line[i]=0;
//split at first single / into line and path
for(i=0;line[i];i++) {
if(line[i] == '/' && line[i+1] == '/') {
i++;
continue;
}
if(line[i] == '/') {
line[i]=0;
path=line+i+1;
break;
}
}
if(path) {
if(strchr(path,'?')) {
query_string=strchr(path,'?');
*query_string=0;
query_string++;
}
}
if(query_string) {
if(strchr(query_string,'#')) {
fragment_id=strchr(query_string,'#');
*fragment_id=0;
fragment_id++;
}
}
if(strstr(line,"://")) {
scheme=line;
domain=strstr(line,"://");
*domain=0;
domain+=3;
} else {
domain=line;
}
if(domain) {
if(strchr(domain,'@')) {
username=domain;
domain=strchr(domain,'@');
*domain=0;
domain++;
}
}
if(username) {
if(strchr(username,':')) {
password=strchr(username,':');
*password=0;
password++;
}
}
if(domain) {
if(strchr(domain,']')) {
if(strchr(strchr(domain,']'),':')) {
port=strchr(strchr(domain,']'),':');
*port=0;
port++;
}
} else {
if(strchr(domain,':')) {
port=strchr(domain,':');
*port=0;
port++;
}
}
}
if(domain) {
if(strchr(domain,'?')) {
query_string=strchr(domain,'?');
*query_string=0;
query_string++;
}
}
if(!scheme && username) {
scheme=username;
username=password;
password=0;
}
// printf("scheme://username:password@domain:port/path?query_string#fragment_id\n\n");
printf("scheme: %s\n",scheme);
printf("username: %s\n",username);
printf("password: %s\n",password);
printf("domain: %s\n",domain);
printf("port: %s\n",port);
printf("path: %s\n",path);
printf("query_string: %s\n",query_string);
printf("fragment_id: %s\n",fragment_id);
return 0;
}
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