--- /dev/null
+// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//! Types/fns concerning URLs (see RFC 3986)
+
+#[allow(missing_doc)];
+
+
+use std::cmp::Eq;
+use std::io::{Reader, ReaderUtil};
+use std::io;
+use std::hashmap::HashMap;
+use std::to_bytes;
+use std::uint;
+
+#[deriving(Clone, Eq)]
+struct Url {
+ scheme: ~str,
+ user: Option<UserInfo>,
+ host: ~str,
+ port: Option<~str>,
+ path: ~str,
+ query: Query,
+ fragment: Option<~str>
+}
+
+#[deriving(Clone, Eq)]
+struct UserInfo {
+ user: ~str,
+ pass: Option<~str>
+}
+
+pub type Query = ~[(~str, ~str)];
+
+impl Url {
+ pub fn new(scheme: ~str,
+ user: Option<UserInfo>,
+ host: ~str,
+ port: Option<~str>,
+ path: ~str,
+ query: Query,
+ fragment: Option<~str>)
+ -> Url {
+ Url {
+ scheme: scheme,
+ user: user,
+ host: host,
+ port: port,
+ path: path,
+ query: query,
+ fragment: fragment,
+ }
+ }
+}
+
+impl UserInfo {
+ pub fn new(user: ~str, pass: Option<~str>) -> UserInfo {
+ UserInfo { user: user, pass: pass }
+ }
+}
+
+fn encode_inner(s: &str, full_url: bool) -> ~str {
+ do io::with_str_reader(s) |rdr| {
+ let mut out = ~"";
+
+ while !rdr.eof() {
+ let ch = rdr.read_byte() as char;
+ match ch {
+ // unreserved:
+ 'A' .. 'Z' |
+ 'a' .. 'z' |
+ '0' .. '9' |
+ '-' | '.' | '_' | '~' => {
+ out.push_char(ch);
+ }
+ _ => {
+ if full_url {
+ match ch {
+ // gen-delims:
+ ':' | '/' | '?' | '#' | '[' | ']' | '@' |
+
+ // sub-delims:
+ '!' | '$' | '&' | '"' | '(' | ')' | '*' |
+ '+' | ',' | ';' | '=' => {
+ out.push_char(ch);
+ }
+
+ _ => out.push_str(fmt!("%%%X", ch as uint))
+ }
+ } else {
+ out.push_str(fmt!("%%%X", ch as uint));
+ }
+ }
+ }
+ }
+
+ out
+ }
+}
+
+/**
+ * Encodes a URI by replacing reserved characters with percent encoded
+ * character sequences.
+ *
+ * This function is compliant with RFC 3986.
+ */
+pub fn encode(s: &str) -> ~str {
+ encode_inner(s, true)
+}
+
+/**
+ * Encodes a URI component by replacing reserved characters with percent
+ * encoded character sequences.
+ *
+ * This function is compliant with RFC 3986.
+ */
+
+pub fn encode_component(s: &str) -> ~str {
+ encode_inner(s, false)
+}
+
+fn decode_inner(s: &str, full_url: bool) -> ~str {
+ do io::with_str_reader(s) |rdr| {
+ let mut out = ~"";
+
+ while !rdr.eof() {
+ match rdr.read_char() {
+ '%' => {
+ let bytes = rdr.read_bytes(2u);
+ let ch = uint::parse_bytes(bytes, 16u).get() as char;
+
+ if full_url {
+ // Only decode some characters:
+ match ch {
+ // gen-delims:
+ ':' | '/' | '?' | '#' | '[' | ']' | '@' |
+
+ // sub-delims:
+ '!' | '$' | '&' | '"' | '(' | ')' | '*' |
+ '+' | ',' | ';' | '=' => {
+ out.push_char('%');
+ out.push_char(bytes[0u] as char);
+ out.push_char(bytes[1u] as char);
+ }
+
+ ch => out.push_char(ch)
+ }
+ } else {
+ out.push_char(ch);
+ }
+ }
+ ch => out.push_char(ch)
+ }
+ }
+
+ out
+ }
+}
+
+/**
+ * Decode a string encoded with percent encoding.
+ *
+ * This will only decode escape sequences generated by encode.
+ */
+pub fn decode(s: &str) -> ~str {
+ decode_inner(s, true)
+}
+
+/**
+ * Decode a string encoded with percent encoding.
+ */
+pub fn decode_component(s: &str) -> ~str {
+ decode_inner(s, false)
+}
+
+fn encode_plus(s: &str) -> ~str {
+ do io::with_str_reader(s) |rdr| {
+ let mut out = ~"";
+
+ while !rdr.eof() {
+ let ch = rdr.read_byte() as char;
+ match ch {
+ 'A' .. 'Z' | 'a' .. 'z' | '0' .. '9' | '_' | '.' | '-' => {
+ out.push_char(ch);
+ }
+ ' ' => out.push_char('+'),
+ _ => out.push_str(fmt!("%%%X", ch as uint))
+ }
+ }
+
+ out
+ }
+}
+
+/**
+ * Encode a hashmap to the 'application/x-www-form-urlencoded' media type.
+ */
+pub fn encode_form_urlencoded(m: &HashMap<~str, ~[~str]>) -> ~str {
+ let mut out = ~"";
+ let mut first = true;
+
+ for m.iter().advance |(key, values)| {
+ let key = encode_plus(*key);
+
+ for values.iter().advance |value| {
+ if first {
+ first = false;
+ } else {
+ out.push_char('&');
+ first = false;
+ }
+
+ out.push_str(fmt!("%s=%s", key, encode_plus(*value)));
+ }
+ }
+
+ out
+}
+
+/**
+ * Decode a string encoded with the 'application/x-www-form-urlencoded' media
+ * type into a hashmap.
+ */
+pub fn decode_form_urlencoded(s: &[u8]) -> HashMap<~str, ~[~str]> {
+ do io::with_bytes_reader(s) |rdr| {
+ let mut m = HashMap::new();
+ let mut key = ~"";
+ let mut value = ~"";
+ let mut parsing_key = true;
+
+ while !rdr.eof() {
+ match rdr.read_char() {
+ '&' | ';' => {
+ if key != ~"" && value != ~"" {
+ let mut values = match m.pop(&key) {
+ Some(values) => values,
+ None => ~[],
+ };
+
+ values.push(value);
+ m.insert(key, values);
+ }
+
+ parsing_key = true;
+ key = ~"";
+ value = ~"";
+ }
+ '=' => parsing_key = false,
+ ch => {
+ let ch = match ch {
+ '%' => {
+ let bytes = rdr.read_bytes(2u);
+ uint::parse_bytes(bytes, 16u).get() as char
+ }
+ '+' => ' ',
+ ch => ch
+ };
+
+ if parsing_key {
+ key.push_char(ch)
+ } else {
+ value.push_char(ch)
+ }
+ }
+ }
+ }
+
+ if key != ~"" && value != ~"" {
+ let mut values = match m.pop(&key) {
+ Some(values) => values,
+ None => ~[],
+ };
+
+ values.push(value);
+ m.insert(key, values);
+ }
+
+ m
+ }
+}
+
+
+fn split_char_first(s: &str, c: char) -> (~str, ~str) {
+ let len = s.len();
+ let mut index = len;
+ let mut mat = 0;
+ do io::with_str_reader(s) |rdr| {
+ let mut ch;
+ while !rdr.eof() {
+ ch = rdr.read_byte() as char;
+ if ch == c {
+ // found a match, adjust markers
+ index = rdr.tell()-1;
+ mat = 1;
+ break;
+ }
+ }
+ }
+ if index+mat == len {
+ return (s.slice(0, index).to_owned(), ~"");
+ } else {
+ return (s.slice(0, index).to_owned(),
+ s.slice(index + mat, s.len()).to_owned());
+ }
+}
+
+fn userinfo_from_str(uinfo: &str) -> UserInfo {
+ let (user, p) = split_char_first(uinfo, ':');
+ let pass = if p.is_empty() {
+ None
+ } else {
+ Some(p)
+ };
+ return UserInfo::new(user, pass);
+}
+
+fn userinfo_to_str(userinfo: &UserInfo) -> ~str {
+ match userinfo.pass {
+ Some(ref pass) => fmt!("%s:%s@", userinfo.user, *pass),
+ None => fmt!("%s@", userinfo.user),
+ }
+}
+
+fn query_from_str(rawquery: &str) -> Query {
+ let mut query: Query = ~[];
+ if !rawquery.is_empty() {
+ for rawquery.split_iter('&').advance |p| {
+ let (k, v) = split_char_first(p, '=');
+ query.push((decode_component(k), decode_component(v)));
+ };
+ }
+ return query;
+}
+
+pub fn query_to_str(query: &Query) -> ~str {
+ let mut strvec = ~[];
+ for query.iter().advance |kv| {
+ match kv {
+ &(ref k, ref v) => {
+ strvec.push(fmt!("%s=%s",
+ encode_component(*k),
+ encode_component(*v))
+ );
+ }
+ }
+ }
+ return strvec.connect("&");
+}
+
+// returns the scheme and the rest of the url, or a parsing error
+pub fn get_scheme(rawurl: &str) -> Result<(~str, ~str), ~str> {
+ for rawurl.iter().enumerate().advance |(i,c)| {
+ match c {
+ 'A' .. 'Z' | 'a' .. 'z' => loop,
+ '0' .. '9' | '+' | '-' | '.' => {
+ if i == 0 {
+ return Err(~"url: Scheme must begin with a letter.");
+ }
+ loop;
+ }
+ ':' => {
+ if i == 0 {
+ return Err(~"url: Scheme cannot be empty.");
+ } else {
+ return Ok((rawurl.slice(0,i).to_owned(),
+ rawurl.slice(i+1,rawurl.len()).to_owned()));
+ }
+ }
+ _ => {
+ return Err(~"url: Invalid character in scheme.");
+ }
+ }
+ };
+ return Err(~"url: Scheme must be terminated with a colon.");
+}
+
+#[deriving(Clone, Eq)]
+enum Input {
+ Digit, // all digits
+ Hex, // digits and letters a-f
+ Unreserved // all other legal characters
+}
+
+// returns userinfo, host, port, and unparsed part, or an error
+fn get_authority(rawurl: &str) ->
+ Result<(Option<UserInfo>, ~str, Option<~str>, ~str), ~str> {
+ if !rawurl.starts_with("//") {
+ // there is no authority.
+ return Ok((None, ~"", None, rawurl.to_str()));
+ }
+
+ enum State {
+ Start, // starting state
+ PassHostPort, // could be in user or port
+ Ip6Port, // either in ipv6 host or port
+ Ip6Host, // are in an ipv6 host
+ InHost, // are in a host - may be ipv6, but don't know yet
+ InPort // are in port
+ }
+
+ let len = rawurl.len();
+ let mut st = Start;
+ let mut in = Digit; // most restricted, start here.
+
+ let mut userinfo = None;
+ let mut host = ~"";
+ let mut port = None;
+
+ let mut colon_count = 0;
+ let mut pos = 0;
+ let mut begin = 2;
+ let mut end = len;
+
+ for rawurl.iter().enumerate().advance |(i,c)| {
+ if i < 2 { loop; } // ignore the leading //
+
+ // deal with input class first
+ match c {
+ '0' .. '9' => (),
+ 'A' .. 'F' | 'a' .. 'f' => {
+ if in == Digit {
+ in = Hex;
+ }
+ }
+ 'G' .. 'Z' | 'g' .. 'z' | '-' | '.' | '_' | '~' | '%' |
+ '&' |'\'' | '(' | ')' | '+' | '!' | '*' | ',' | ';' | '=' => {
+ in = Unreserved;
+ }
+ ':' | '@' | '?' | '#' | '/' => {
+ // separators, don't change anything
+ }
+ _ => {
+ return Err(~"Illegal character in authority");
+ }
+ }
+
+ // now process states
+ match c {
+ ':' => {
+ colon_count += 1;
+ match st {
+ Start => {
+ pos = i;
+ st = PassHostPort;
+ }
+ PassHostPort => {
+ // multiple colons means ipv6 address.
+ if in == Unreserved {
+ return Err(
+ ~"Illegal characters in IPv6 address.");
+ }
+ st = Ip6Host;
+ }
+ InHost => {
+ pos = i;
+ // can't be sure whether this is an ipv6 address or a port
+ if in == Unreserved {
+ return Err(~"Illegal characters in authority.");
+ }
+ st = Ip6Port;
+ }
+ Ip6Port => {
+ if in == Unreserved {
+ return Err(~"Illegal characters in authority.");
+ }
+ st = Ip6Host;
+ }
+ Ip6Host => {
+ if colon_count > 7 {
+ host = rawurl.slice(begin, i).to_owned();
+ pos = i;
+ st = InPort;
+ }
+ }
+ _ => {
+ return Err(~"Invalid ':' in authority.");
+ }
+ }
+ in = Digit; // reset input class
+ }
+
+ '@' => {
+ in = Digit; // reset input class
+ colon_count = 0; // reset count
+ match st {
+ Start => {
+ let user = rawurl.slice(begin, i).to_owned();
+ userinfo = Some(UserInfo::new(user, None));
+ st = InHost;
+ }
+ PassHostPort => {
+ let user = rawurl.slice(begin, pos).to_owned();
+ let pass = rawurl.slice(pos+1, i).to_owned();
+ userinfo = Some(UserInfo::new(user, Some(pass)));
+ st = InHost;
+ }
+ _ => {
+ return Err(~"Invalid '@' in authority.");
+ }
+ }
+ begin = i+1;
+ }
+
+ '?' | '#' | '/' => {
+ end = i;
+ break;
+ }
+ _ => ()
+ }
+ end = i;
+ }
+
+ let end = end; // make end immutable so it can be captured
+
+ let host_is_end_plus_one: &fn() -> bool = || {
+ let xs = ['?', '#', '/'];
+ end+1 == len
+ && !xs.iter().any(|x| *x == (rawurl[end] as char))
+ };
+
+ // finish up
+ match st {
+ Start => {
+ if host_is_end_plus_one() {
+ host = rawurl.slice(begin, end+1).to_owned();
+ } else {
+ host = rawurl.slice(begin, end).to_owned();
+ }
+ }
+ PassHostPort | Ip6Port => {
+ if in != Digit {
+ return Err(~"Non-digit characters in port.");
+ }
+ host = rawurl.slice(begin, pos).to_owned();
+ port = Some(rawurl.slice(pos+1, end).to_owned());
+ }
+ Ip6Host | InHost => {
+ host = rawurl.slice(begin, end).to_owned();
+ }
+ InPort => {
+ if in != Digit {
+ return Err(~"Non-digit characters in port.");
+ }
+ port = Some(rawurl.slice(pos+1, end).to_owned());
+ }
+ }
+
+ let rest = if host_is_end_plus_one() { ~"" }
+ else { rawurl.slice(end, len).to_owned() };
+ return Ok((userinfo, host, port, rest));
+}
+
+
+// returns the path and unparsed part of url, or an error
+fn get_path(rawurl: &str, authority: bool) ->
+ Result<(~str, ~str), ~str> {
+ let len = rawurl.len();
+ let mut end = len;
+ for rawurl.iter().enumerate().advance |(i,c)| {
+ match c {
+ 'A' .. 'Z' | 'a' .. 'z' | '0' .. '9' | '&' |'\'' | '(' | ')' | '.'
+ | '@' | ':' | '%' | '/' | '+' | '!' | '*' | ',' | ';' | '='
+ | '_' | '-' => {
+ loop;
+ }
+ '?' | '#' => {
+ end = i;
+ break;
+ }
+ _ => return Err(~"Invalid character in path.")
+ }
+ }
+
+ if authority {
+ if end != 0 && !rawurl.starts_with("/") {
+ return Err(~"Non-empty path must begin with\
+ '/' in presence of authority.");
+ }
+ }
+
+ return Ok((decode_component(rawurl.slice(0, end)),
+ rawurl.slice(end, len).to_owned()));
+}
+
+// returns the parsed query and the fragment, if present
+fn get_query_fragment(rawurl: &str) ->
+ Result<(Query, Option<~str>), ~str> {
+ if !rawurl.starts_with("?") {
+ if rawurl.starts_with("#") {
+ let f = decode_component(rawurl.slice(
+ 1,
+ rawurl.len()));
+ return Ok((~[], Some(f)));
+ } else {
+ return Ok((~[], None));
+ }
+ }
+ let (q, r) = split_char_first(rawurl.slice(1, rawurl.len()), '#');
+ let f = if r.len() != 0 {
+ Some(decode_component(r)) } else { None };
+ return Ok((query_from_str(q), f));
+}
+
+/**
+ * Parse a `str` to a `url`
+ *
+ * # Arguments
+ *
+ * `rawurl` - a string representing a full url, including scheme.
+ *
+ * # Returns
+ *
+ * a `url` that contains the parsed representation of the url.
+ *
+ */
+
+pub fn from_str(rawurl: &str) -> Result<Url, ~str> {
+ // scheme
+ let (scheme, rest) = match get_scheme(rawurl) {
+ Ok(val) => val,
+ Err(e) => return Err(e),
+ };
+
+ // authority
+ let (userinfo, host, port, rest) = match get_authority(rest) {
+ Ok(val) => val,
+ Err(e) => return Err(e),
+ };
+
+ // path
+ let has_authority = if host == ~"" { false } else { true };
+ let (path, rest) = match get_path(rest, has_authority) {
+ Ok(val) => val,
+ Err(e) => return Err(e),
+ };
+
+ // query and fragment
+ let (query, fragment) = match get_query_fragment(rest) {
+ Ok(val) => val,
+ Err(e) => return Err(e),
+ };
+
+ Ok(Url::new(scheme, userinfo, host, port, path, query, fragment))
+}
+
+impl FromStr for Url {
+ fn from_str(s: &str) -> Option<Url> {
+ match from_str(s) {
+ Ok(url) => Some(url),
+ Err(_) => None
+ }
+ }
+}
+
+/**
+ * Format a `url` as a string
+ *
+ * # Arguments
+ *
+ * `url` - a url.
+ *
+ * # Returns
+ *
+ * a `str` that contains the formatted url. Note that this will usually
+ * be an inverse of `from_str` but might strip out unneeded separators.
+ * for example, "http://somehost.com?", when parsed and formatted, will
+ * result in just "http://somehost.com".
+ *
+ */
+pub fn to_str(url: &Url) -> ~str {
+ let user = match url.user {
+ Some(ref user) => userinfo_to_str(user),
+ None => ~"",
+ };
+
+ let authority = if url.host.is_empty() {
+ ~""
+ } else {
+ fmt!("//%s%s", user, url.host)
+ };
+
+ let query = if url.query.is_empty() {
+ ~""
+ } else {
+ fmt!("?%s", query_to_str(&url.query))
+ };
+
+ let fragment = match url.fragment {
+ Some(ref fragment) => fmt!("#%s", encode_component(*fragment)),
+ None => ~"",
+ };
+
+ fmt!("%s:%s%s%s%s", url.scheme, authority, url.path, query, fragment)
+}
+
+impl ToStr for Url {
+ pub fn to_str(&self) -> ~str {
+ to_str(self)
+ }
+}
+
+impl IterBytes for Url {
+ fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
+ self.to_str().iter_bytes(lsb0, f)
+ }
+}
+
+// Put a few tests outside of the 'test' module so they can test the internal
+// functions and those functions don't need 'pub'
+
+#[test]
+fn test_split_char_first() {
+ let (u,v) = split_char_first("hello, sweet world", ',');
+ assert_eq!(u, ~"hello");
+ assert_eq!(v, ~" sweet world");
+
+ let (u,v) = split_char_first("hello sweet world", ',');
+ assert_eq!(u, ~"hello sweet world");
+ assert_eq!(v, ~"");
+}
+
+#[test]
+fn test_get_authority() {
+ let (u, h, p, r) = get_authority(
+ "//user:pass@rust-lang.org/something").unwrap();
+ assert_eq!(u, Some(UserInfo::new(~"user", Some(~"pass"))));
+ assert_eq!(h, ~"rust-lang.org");
+ assert!(p.is_none());
+ assert_eq!(r, ~"/something");
+
+ let (u, h, p, r) = get_authority(
+ "//rust-lang.org:8000?something").unwrap();
+ assert!(u.is_none());
+ assert_eq!(h, ~"rust-lang.org");
+ assert_eq!(p, Some(~"8000"));
+ assert_eq!(r, ~"?something");
+
+ let (u, h, p, r) = get_authority(
+ "//rust-lang.org#blah").unwrap();
+ assert!(u.is_none());
+ assert_eq!(h, ~"rust-lang.org");
+ assert!(p.is_none());
+ assert_eq!(r, ~"#blah");
+
+ // ipv6 tests
+ let (_, h, _, _) = get_authority(
+ "//2001:0db8:85a3:0042:0000:8a2e:0370:7334#blah").unwrap();
+ assert_eq!(h, ~"2001:0db8:85a3:0042:0000:8a2e:0370:7334");
+
+ let (_, h, p, _) = get_authority(
+ "//2001:0db8:85a3:0042:0000:8a2e:0370:7334:8000#blah").unwrap();
+ assert_eq!(h, ~"2001:0db8:85a3:0042:0000:8a2e:0370:7334");
+ assert_eq!(p, Some(~"8000"));
+
+ let (u, h, p, _) = get_authority(
+ "//us:p@2001:0db8:85a3:0042:0000:8a2e:0370:7334:8000#blah"
+ ).unwrap();
+ assert_eq!(u, Some(UserInfo::new(~"us", Some(~"p"))));
+ assert_eq!(h, ~"2001:0db8:85a3:0042:0000:8a2e:0370:7334");
+ assert_eq!(p, Some(~"8000"));
+
+ // invalid authorities;
+ assert!(get_authority("//user:pass@rust-lang:something").is_err());
+ assert!(get_authority("//user@rust-lang:something:/path").is_err());
+ assert!(get_authority(
+ "//2001:0db8:85a3:0042:0000:8a2e:0370:7334:800a").is_err());
+ assert!(get_authority(
+ "//2001:0db8:85a3:0042:0000:8a2e:0370:7334:8000:00").is_err());
+
+ // these parse as empty, because they don't start with '//'
+ let (_, h, _, _) = get_authority("user:pass@rust-lang").unwrap();
+ assert_eq!(h, ~"");
+ let (_, h, _, _) = get_authority("rust-lang.org").unwrap();
+ assert_eq!(h, ~"");
+}
+
+#[test]
+fn test_get_path() {
+ let (p, r) = get_path("/something+%20orother", true).unwrap();
+ assert_eq!(p, ~"/something+ orother");
+ assert_eq!(r, ~"");
+ let (p, r) = get_path("test@email.com#fragment", false).unwrap();
+ assert_eq!(p, ~"test@email.com");
+ assert_eq!(r, ~"#fragment");
+ let (p, r) = get_path("/gen/:addr=?q=v", false).unwrap();
+ assert_eq!(p, ~"/gen/:addr=");
+ assert_eq!(r, ~"?q=v");
+
+ //failure cases
+ assert!(get_path("something?q", true).is_err());
+}
+
+#[cfg(test)]
+mod tests {
+
+ use super::*;
+
+ use std::hashmap::HashMap;
+
+ #[test]
+ fn test_url_parse() {
+ let url = ~"http://user:pass@rust-lang.org/doc?s=v#something";
+
+ let up = from_str(url);
+ let u = up.unwrap();
+ assert!(u.scheme == ~"http");
+ let userinfo = u.user.get_ref();
+ assert!(userinfo.user == ~"user");
+ assert!(userinfo.pass.get_ref() == &~"pass");
+ assert!(u.host == ~"rust-lang.org");
+ assert!(u.path == ~"/doc");
+ assert!(u.query == ~[(~"s", ~"v")]);
+ assert!(u.fragment.get_ref() == &~"something");
+ }
+
+ #[test]
+ fn test_url_parse_host_slash() {
+ let urlstr = ~"http://0.42.42.42/";
+ let url = from_str(urlstr).unwrap();
+ assert!(url.host == ~"0.42.42.42");
+ assert!(url.path == ~"/");
+ }
+
+ #[test]
+ fn test_url_with_underscores() {
+ let urlstr = ~"http://dotcom.com/file_name.html";
+ let url = from_str(urlstr).unwrap();
+ assert!(url.path == ~"/file_name.html");
+ }
+
+ #[test]
+ fn test_url_with_dashes() {
+ let urlstr = ~"http://dotcom.com/file-name.html";
+ let url = from_str(urlstr).unwrap();
+ assert!(url.path == ~"/file-name.html");
+ }
+
+ #[test]
+ fn test_no_scheme() {
+ assert!(get_scheme("noschemehere.html").is_err());
+ }
+
+ #[test]
+ fn test_invalid_scheme_errors() {
+ assert!(from_str("99://something").is_err());
+ assert!(from_str("://something").is_err());
+ }
+
+ #[test]
+ fn test_full_url_parse_and_format() {
+ let url = ~"http://user:pass@rust-lang.org/doc?s=v#something";
+ assert_eq!(from_str(url).unwrap().to_str(), url);
+ }
+
+ #[test]
+ fn test_userless_url_parse_and_format() {
+ let url = ~"http://rust-lang.org/doc?s=v#something";
+ assert_eq!(from_str(url).unwrap().to_str(), url);
+ }
+
+ #[test]
+ fn test_queryless_url_parse_and_format() {
+ let url = ~"http://user:pass@rust-lang.org/doc#something";
+ assert_eq!(from_str(url).unwrap().to_str(), url);
+ }
+
+ #[test]
+ fn test_empty_query_url_parse_and_format() {
+ let url = ~"http://user:pass@rust-lang.org/doc?#something";
+ let should_be = ~"http://user:pass@rust-lang.org/doc#something";
+ assert_eq!(from_str(url).unwrap().to_str(), should_be);
+ }
+
+ #[test]
+ fn test_fragmentless_url_parse_and_format() {
+ let url = ~"http://user:pass@rust-lang.org/doc?q=v";
+ assert_eq!(from_str(url).unwrap().to_str(), url);
+ }
+
+ #[test]
+ fn test_minimal_url_parse_and_format() {
+ let url = ~"http://rust-lang.org/doc";
+ assert_eq!(from_str(url).unwrap().to_str(), url);
+ }
+
+ #[test]
+ fn test_scheme_host_only_url_parse_and_format() {
+ let url = ~"http://rust-lang.org";
+ assert_eq!(from_str(url).unwrap().to_str(), url);
+ }
+
+ #[test]
+ fn test_pathless_url_parse_and_format() {
+ let url = ~"http://user:pass@rust-lang.org?q=v#something";
+ assert_eq!(from_str(url).unwrap().to_str(), url);
+ }
+
+ #[test]
+ fn test_scheme_host_fragment_only_url_parse_and_format() {
+ let url = ~"http://rust-lang.org#something";
+ assert_eq!(from_str(url).unwrap().to_str(), url);
+ }
+
+ #[test]
+ fn test_url_component_encoding() {
+ let url = ~"http://rust-lang.org/doc%20uments?ba%25d%20=%23%26%2B";
+ let u = from_str(url).unwrap();
+ assert!(u.path == ~"/doc uments");
+ assert!(u.query == ~[(~"ba%d ", ~"#&+")]);
+ }
+
+ #[test]
+ fn test_url_without_authority() {
+ let url = ~"mailto:test@email.com";
+ assert_eq!(from_str(url).unwrap().to_str(), url);
+ }
+
+ #[test]
+ fn test_encode() {
+ assert_eq!(encode(""), ~"");
+ assert_eq!(encode("http://example.com"), ~"http://example.com");
+ assert_eq!(encode("foo bar% baz"), ~"foo%20bar%25%20baz");
+ assert_eq!(encode(" "), ~"%20");
+ assert_eq!(encode("!"), ~"!");
+ assert_eq!(encode("\""), ~"\"");
+ assert_eq!(encode("#"), ~"#");
+ assert_eq!(encode("$"), ~"$");
+ assert_eq!(encode("%"), ~"%25");
+ assert_eq!(encode("&"), ~"&");
+ assert_eq!(encode("'"), ~"%27");
+ assert_eq!(encode("("), ~"(");
+ assert_eq!(encode(")"), ~")");
+ assert_eq!(encode("*"), ~"*");
+ assert_eq!(encode("+"), ~"+");
+ assert_eq!(encode(","), ~",");
+ assert_eq!(encode("/"), ~"/");
+ assert_eq!(encode(":"), ~":");
+ assert_eq!(encode(";"), ~";");
+ assert_eq!(encode("="), ~"=");
+ assert_eq!(encode("?"), ~"?");
+ assert_eq!(encode("@"), ~"@");
+ assert_eq!(encode("["), ~"[");
+ assert_eq!(encode("]"), ~"]");
+ }
+
+ #[test]
+ fn test_encode_component() {
+ assert_eq!(encode_component(""), ~"");
+ assert!(encode_component("http://example.com") ==
+ ~"http%3A%2F%2Fexample.com");
+ assert!(encode_component("foo bar% baz") ==
+ ~"foo%20bar%25%20baz");
+ assert_eq!(encode_component(" "), ~"%20");
+ assert_eq!(encode_component("!"), ~"%21");
+ assert_eq!(encode_component("#"), ~"%23");
+ assert_eq!(encode_component("$"), ~"%24");
+ assert_eq!(encode_component("%"), ~"%25");
+ assert_eq!(encode_component("&"), ~"%26");
+ assert_eq!(encode_component("'"), ~"%27");
+ assert_eq!(encode_component("("), ~"%28");
+ assert_eq!(encode_component(")"), ~"%29");
+ assert_eq!(encode_component("*"), ~"%2A");
+ assert_eq!(encode_component("+"), ~"%2B");
+ assert_eq!(encode_component(","), ~"%2C");
+ assert_eq!(encode_component("/"), ~"%2F");
+ assert_eq!(encode_component(":"), ~"%3A");
+ assert_eq!(encode_component(";"), ~"%3B");
+ assert_eq!(encode_component("="), ~"%3D");
+ assert_eq!(encode_component("?"), ~"%3F");
+ assert_eq!(encode_component("@"), ~"%40");
+ assert_eq!(encode_component("["), ~"%5B");
+ assert_eq!(encode_component("]"), ~"%5D");
+ }
+
+ #[test]
+ fn test_decode() {
+ assert_eq!(decode(""), ~"");
+ assert_eq!(decode("abc/def 123"), ~"abc/def 123");
+ assert_eq!(decode("abc%2Fdef%20123"), ~"abc%2Fdef 123");
+ assert_eq!(decode("%20"), ~" ");
+ assert_eq!(decode("%21"), ~"%21");
+ assert_eq!(decode("%22"), ~"%22");
+ assert_eq!(decode("%23"), ~"%23");
+ assert_eq!(decode("%24"), ~"%24");
+ assert_eq!(decode("%25"), ~"%");
+ assert_eq!(decode("%26"), ~"%26");
+ assert_eq!(decode("%27"), ~"'");
+ assert_eq!(decode("%28"), ~"%28");
+ assert_eq!(decode("%29"), ~"%29");
+ assert_eq!(decode("%2A"), ~"%2A");
+ assert_eq!(decode("%2B"), ~"%2B");
+ assert_eq!(decode("%2C"), ~"%2C");
+ assert_eq!(decode("%2F"), ~"%2F");
+ assert_eq!(decode("%3A"), ~"%3A");
+ assert_eq!(decode("%3B"), ~"%3B");
+ assert_eq!(decode("%3D"), ~"%3D");
+ assert_eq!(decode("%3F"), ~"%3F");
+ assert_eq!(decode("%40"), ~"%40");
+ assert_eq!(decode("%5B"), ~"%5B");
+ assert_eq!(decode("%5D"), ~"%5D");
+ }
+
+ #[test]
+ fn test_decode_component() {
+ assert_eq!(decode_component(""), ~"");
+ assert_eq!(decode_component("abc/def 123"), ~"abc/def 123");
+ assert_eq!(decode_component("abc%2Fdef%20123"), ~"abc/def 123");
+ assert_eq!(decode_component("%20"), ~" ");
+ assert_eq!(decode_component("%21"), ~"!");
+ assert_eq!(decode_component("%22"), ~"\"");
+ assert_eq!(decode_component("%23"), ~"#");
+ assert_eq!(decode_component("%24"), ~"$");
+ assert_eq!(decode_component("%25"), ~"%");
+ assert_eq!(decode_component("%26"), ~"&");
+ assert_eq!(decode_component("%27"), ~"'");
+ assert_eq!(decode_component("%28"), ~"(");
+ assert_eq!(decode_component("%29"), ~")");
+ assert_eq!(decode_component("%2A"), ~"*");
+ assert_eq!(decode_component("%2B"), ~"+");
+ assert_eq!(decode_component("%2C"), ~",");
+ assert_eq!(decode_component("%2F"), ~"/");
+ assert_eq!(decode_component("%3A"), ~":");
+ assert_eq!(decode_component("%3B"), ~";");
+ assert_eq!(decode_component("%3D"), ~"=");
+ assert_eq!(decode_component("%3F"), ~"?");
+ assert_eq!(decode_component("%40"), ~"@");
+ assert_eq!(decode_component("%5B"), ~"[");
+ assert_eq!(decode_component("%5D"), ~"]");
+ }
+
+ #[test]
+ fn test_encode_form_urlencoded() {
+ let mut m = HashMap::new();
+ assert_eq!(encode_form_urlencoded(&m), ~"");
+
+ m.insert(~"", ~[]);
+ m.insert(~"foo", ~[]);
+ assert_eq!(encode_form_urlencoded(&m), ~"");
+
+ let mut m = HashMap::new();
+ m.insert(~"foo", ~[~"bar", ~"123"]);
+ assert_eq!(encode_form_urlencoded(&m), ~"foo=bar&foo=123");
+
+ let mut m = HashMap::new();
+ m.insert(~"foo bar", ~[~"abc", ~"12 = 34"]);
+ assert!(encode_form_urlencoded(&m) ==
+ ~"foo+bar=abc&foo+bar=12+%3D+34");
+ }
+
+ #[test]
+ fn test_decode_form_urlencoded() {
+ // FIXME #4449: Commented out because this causes an ICE, but only
+ // on FreeBSD
+ /*
+ assert_eq!(decode_form_urlencoded([]).len(), 0);
+
+ let s = "a=1&foo+bar=abc&foo+bar=12+%3D+34".as_bytes();
+ let form = decode_form_urlencoded(s);
+ assert_eq!(form.len(), 2);
+ assert_eq!(form.get_ref(&~"a"), &~[~"1"]);
+ assert_eq!(form.get_ref(&~"foo bar"), &~[~"abc", ~"12 = 34"]);
+ */
+ }
+}
projects / rust.git / commitdiff