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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use extra::net::url;
use extra::net::url::Url;
use std::hashmap::HashMap;
use std::os;
use std::result;
/**
Create a URL object from a string. Does various helpful browsery things like
* If there's no current url and the path looks like a file then it will
create a file url based of the current working directory
* If there's a current url and the new path is relative then the new url
is based off the current url
*/
#[allow(non_implicitly_copyable_typarams)]
pub fn make_url(str_url: ~str, current_url: Option<Url>) -> Url {
let schm = url::get_scheme(str_url);
let str_url = if result::is_err(&schm) {
if current_url.is_none() {
// Assume we've been given a file path. If it's absolute just return
// it, otherwise make it absolute with the cwd.
if str_url.starts_with("/") {
~"file://" + str_url
} else {
~"file://" + os::getcwd().push(str_url).to_str()
}
} else {
let current_url = current_url.get();
debug!("make_url: current_url: %?", current_url);
if str_url.starts_with("//") {
current_url.scheme + ":" + str_url
} else if current_url.path.is_empty() ||
str_url.starts_with("/") {
current_url.scheme + "://" +
current_url.host + "/" +
str_url.trim_left_chars(&'/')
} else {
let mut path = ~[];
for current_url.path.split_iter('/').advance |p| {
path.push(p.to_str());
}
let path = path; // FIXME: borrow checker workaround
let path = path.init();
let path = (path.map(|x| copy *x) + [str_url]).connect("/");
current_url.scheme + "://" + current_url.host + path
}
}
} else {
str_url
};
// FIXME: Need to handle errors
url::from_str(str_url).get()
}
mod make_url_tests {
#[test]
fn should_create_absolute_file_url_if_current_url_is_none_and_str_url_looks_filey() {
let file = ~"local.html";
let url = make_url(file, None);
debug!("url: %?", url);
assert!(url.scheme == ~"file");
assert!(url.path.contains(os::getcwd().to_str()));
}
#[test]
fn should_create_url_based_on_old_url_1() {
let old_str = ~"http://example.com";
let old_url = make_url(old_str, None);
let new_str = ~"index.html";
let new_url = make_url(new_str, Some(old_url));
assert!(new_url.scheme == ~"http");
assert!(new_url.host == ~"example.com");
assert!(new_url.path == ~"/index.html");
}
#[test]
fn should_create_url_based_on_old_url_2() {
let old_str = ~"http://example.com/";
let old_url = make_url(old_str, None);
let new_str = ~"index.html";
let new_url = make_url(new_str, Some(old_url));
assert!(new_url.scheme == ~"http");
assert!(new_url.host == ~"example.com");
assert!(new_url.path == ~"/index.html");
}
#[test]
fn should_create_url_based_on_old_url_3() {
let old_str = ~"http://example.com/index.html";
let old_url = make_url(old_str, None);
let new_str = ~"crumpet.html";
let new_url = make_url(new_str, Some(old_url));
assert!(new_url.scheme == ~"http");
assert!(new_url.host == ~"example.com");
assert!(new_url.path == ~"/crumpet.html");
}
#[test]
fn should_create_url_based_on_old_url_4() {
let old_str = ~"http://example.com/snarf/index.html";
let old_url = make_url(old_str, None);
let new_str = ~"crumpet.html";
let new_url = make_url(new_str, Some(old_url));
assert!(new_url.scheme == ~"http");
assert!(new_url.host == ~"example.com");
assert!(new_url.path == ~"/snarf/crumpet.html");
}
}
pub type UrlMap<T> = @mut HashMap<Url, T>;
pub fn url_map<T: Copy>() -> UrlMap<T> {
@mut HashMap::new()
}
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