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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 collections::HashMap;
use std::os;
use std::vec::Vec;
use std_url;
use std_url::Url;
/**
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
*/
// TODO: about:failure->
pub fn parse_url(str_url: &str, base_url: Option<std_url::Url>) -> std_url::Url {
let str_url = str_url.trim_chars(& &[' ', '\t', '\n', '\r', '\x0C']).to_owned();
let schm = std_url::get_scheme(str_url);
let str_url = match schm {
Err(_) => {
if base_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 {
let mut path = os::getcwd();
path.push(str_url);
// FIXME (#1094): not the right way to transform a path
~"file://" + path.display().to_str()
}
} else {
let base_url = base_url.unwrap();
debug!("parse_url: base_url: {:?}", base_url);
let mut new_url = base_url.clone();
new_url.query = Vec::new();
new_url.fragment = None;
if str_url.starts_with("//") {
new_url.scheme + ":" + str_url
} else if base_url.path.is_empty() || str_url.starts_with("/") {
new_url.path = ~"/";
new_url.to_str() + str_url.trim_left_chars(&'/')
} else if str_url.starts_with("#") {
new_url.to_str() + str_url
} else { // relative path
let base_path = base_url.path.trim_right_chars(&|c: char| c != '/');
new_url.path = base_path.to_owned();
new_url.to_str() + str_url
}
}
},
Ok((scheme, page)) => {
match scheme.as_slice() {
"about" => {
match page.as_slice() {
"crash" => {
fail!("about:crash");
}
"failure" => {
let mut path = os::self_exe_path().expect("can't get exe path");
path.push("../src/test/html/failure.html");
// FIXME (#1094): not the right way to transform a path
~"file://" + path.display().to_str()
}
// TODO: handle the rest of the about: pages
_ => str_url
}
},
"data" => {
// Drop whitespace within data: URLs, e.g. newlines within a base64
// src="..." block. Whitespace intended as content should be
// %-encoded or base64'd.
str_url.chars().filter(|&c| !c.is_whitespace()).collect()
},
_ => str_url
}
}
};
// FIXME: Need to handle errors
std_url::from_str(str_url).ok().expect("URL parsing failed")
}
#[cfg(test)]
mod parse_url_tests {
use super::parse_url;
use std::os;
#[test]
fn should_create_absolute_file_url_if_base_url_is_none_and_str_url_looks_filey() {
let file = "local.html";
let url = parse_url(file, None);
debug!("url: {:?}", url);
assert!(url.scheme == ~"file");
let path = os::getcwd();
// FIXME (#1094): not the right way to transform a path
assert!(url.path.contains(path.display().to_str()));
}
#[test]
fn should_create_url_based_on_old_url_1() {
let old_str = "http://example.com";
let old_url = parse_url(old_str, None);
let new_str = "index.html";
let new_url = parse_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 = parse_url(old_str, None);
let new_str = "index.html";
let new_url = parse_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 = parse_url(old_str, None);
let new_str = "crumpet.html";
let new_url = parse_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 = parse_url(old_str, None);
let new_str = "crumpet.html";
let new_url = parse_url(new_str, Some(old_url));
assert!(new_url.scheme == ~"http");
assert!(new_url.host == ~"example.com");
assert!(new_url.path == ~"/snarf/crumpet.html");
}
#[test]
fn should_create_url_based_on_old_url_5() {
let old_str = "http://example.com/index.html";
let old_url = parse_url(old_str, None);
let new_str = "#top";
let new_url = parse_url(new_str, Some(old_url));
assert!(new_url.scheme == ~"http");
assert!(new_url.host == ~"example.com");
assert!(new_url.path == ~"/index.html");
assert!(new_url.fragment == Some(~"top"));
}
#[test]
fn should_create_url_based_on_old_url_6() {
use std_url::UserInfo;
let old_str = "http://foo:bar@example.com:8080/index.html";
let old_url = parse_url(old_str, None);
let new_str = "#top";
let new_url = parse_url(new_str, Some(old_url));
assert!(new_url.scheme == ~"http");
assert!(new_url.user == Some(UserInfo { user: ~"foo", pass: Some(~"bar") }));
assert!(new_url.host == ~"example.com");
assert!(new_url.port == Some(~"8080"));
assert!(new_url.path == ~"/index.html");
assert!(new_url.fragment == Some(~"top"));
}
#[test]
fn should_create_url_based_on_old_url_7() {
let old_str = "https://example.com/snarf/index.html";
let old_url = parse_url(old_str, None);
let new_str = "//example.com/crumpet.html";
let new_url = parse_url(new_str, Some(old_url));
assert!(new_url.scheme == ~"https");
assert!(new_url.host == ~"example.com");
assert!(new_url.path == ~"/crumpet.html");
}
}
pub type UrlMap<T> = HashMap<std_url::Url, T>;
pub fn url_map<T: Clone + 'static>() -> UrlMap<T> {
HashMap::new()
}
pub fn is_image_data(uri: &str) -> bool {
static types: &'static [&'static str] = &[&"data:image/png", &"data:image/gif", &"data:image/jpeg"];
types.iter().any(|&type_| uri.starts_with(type_))
}
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