NSURL properties.

gistfile1.m

// vim: set ts=4 sts=4 sw=4 et nosi noai ft=objc :
// usage:
// $ clang -g -framework Foundation -o test test.m
#import <Foundation/Foundation.h>

int main(int argc, char *argv[])
{
    @autoreleasepool {
        NSURL *url = [NSURL URLWithString:@"https://user:pass@www.google.com/foo/bar/baz.ext?q=query#hash"];
        NSLog(@"%@", url);
        NSLog(@"absoluteString: %@", [url absoluteString]);
        NSLog(@"baseURL: %@", [url baseURL]);
        NSLog(@"fragment: %@", [url fragment]);
        NSLog(@"host: %@", [url host]);
        NSLog(@"lastPathComponent: %@", [url lastPathComponent]);
        NSLog(@"parameterString: %@", [url parameterString]);
        NSLog(@"password: %@", [url password]);
        NSLog(@"path: %@", [url path]);
        NSLog(@"pathComponents: %@", [url pathComponents]);
        NSLog(@"pathExtension: %@", [url pathExtension]);
        NSLog(@"port: %@", [url port]);
        NSLog(@"query: %@", [url query]);
        NSLog(@"relativePath: %@", [url relativePath]);
        NSLog(@"relativeString: %@", [url relativeString]);
        NSLog(@"resourceSpecifier: %@", [url resourceSpecifier]);
        NSLog(@"scheme: %@", [url scheme]);
        NSLog(@"standardizedURL: %@", [url standardizedURL]);
        NSLog(@"user: %@", [url user]);

        return 0;
    }
}

output

2012-09-09 23:09:37.041 tmp[61459:707] https://user:pass@www.google.com/foo/bar/baz.ext?q=query#hash
2012-09-09 23:09:37.044 tmp[61459:707] absoluteString: https://user:pass@www.google.com/foo/bar/baz.ext?q=query#hash
2012-09-09 23:09:37.044 tmp[61459:707] baseURL: (null)
2012-09-09 23:09:37.046 tmp[61459:707] fragment: hash
2012-09-09 23:09:37.047 tmp[61459:707] host: www.google.com
2012-09-09 23:09:37.047 tmp[61459:707] lastPathComponent: baz.ext
2012-09-09 23:09:37.048 tmp[61459:707] parameterString: (null)
2012-09-09 23:09:37.048 tmp[61459:707] password: pass
2012-09-09 23:09:37.049 tmp[61459:707] path: /foo/bar/baz.ext
2012-09-09 23:09:37.049 tmp[61459:707] pathComponents: (
    "/",
    foo,
    bar,
    "baz.ext"
)
2012-09-09 23:09:37.049 tmp[61459:707] pathExtension: ext
2012-09-09 23:09:37.050 tmp[61459:707] port: (null)
2012-09-09 23:09:37.050 tmp[61459:707] query: q=query
2012-09-09 23:09:37.050 tmp[61459:707] relativePath: /foo/bar/baz.ext
2012-09-09 23:09:37.051 tmp[61459:707] relativeString: https://user:pass@www.google.com/foo/bar/baz.ext?q=query#hash
2012-09-09 23:09:37.051 tmp[61459:707] resourceSpecifier: //user:pass@www.google.com/foo/bar/baz.ext?q=query#hash
2012-09-09 23:09:37.052 tmp[61459:707] scheme: https
2012-09-09 23:09:37.052 tmp[61459:707] standardizedURL: https://user:pass@www.google.com/foo/bar/baz.ext?q=query#hash
2012-09-09 23:09:37.052 tmp[61459:707] user: user