[REBOL] Re: Parsing problem
From: carl:cybercraft at: 14-Nov-2002 19:35
On 15-Nov-02, Blackeye Silverseeker wrote:
> Hello, i am new to rebol and i have a parsing problem. If somebody
> could help me, i'd be grateful. Here is the code :
> url: "www.asdfasdf.com:123/path/path/file.htm" parse/all url [ copy
> host [ [to ":" skip copy port to "/" ] | [ to "/"]] copy path to end
> ]
> the goal is to have the words:
> host = www.asdfasdf.com
> port = 80
> path = path/path/file.htm
> but the host word get the value: www.asdfasdf.com:80
> I tried many thins but i have now no idea of the solution.
> Tank you
Hi, umm, Blackeye, (:
Parse is probably overkill for what you're trying to do there, as
there's a word (decode-url) to break up URLs into their various
parts. The url does need an http:// though. Anyway, using your
example, this is what decode-url gives (at the REBOL Console)...
>> url: join http:// "www.asdfasdf.com:123/path/path/file.htm"
== http://www.asdfasdf.com:123/path/path/file.htm
>> url-obj: decode-url url
decode-url has created an object there which can be looked at with
probe...
>> probe url-obj
make object! [
user: none
pass: none
host: "www.asdfasdf.com"
port-id: 123
path: "path/path/"
target: "file.htm"
]
as well as being accessed and changed in the normal way...
>> url-obj/host
== "www.asdfasdf.com"
>> url-obj/port-id
== 123
>> join url-obj/path url-obj/target
== "path/path/file.htm"
>> url-obj/port-id: 80
== 80
>> probe url-obj
make object! [
user: none
pass: none
host: "www.asdfasdf.com"
port-id: 80
path: "path/path/"
target: "file.htm"
]
HTH.
--
Carl Read
