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Merged
merged 15 commits into from
Jan 7, 2020
Merged

Pass "new" tests #537

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1655a76
Update tests from wpt
nox Jul 19, 2019
fa9f044
Fix percent encoding of fragments (closes #491)
nox Jul 19, 2019
412266a
Refactor parse_file to look more like the spec
nox Jul 20, 2019
e93f999
Fix a Windows quirk
nox Jul 20, 2019
efe9ab9
Properly copy hosts of base file:// URLs when needed
nox Jul 20, 2019
54a158b
Path and file parsing.
o0Ignition0o Jul 30, 2019
0586854
Host parsing rules.
o0Ignition0o Jul 20, 2019
26ccc0d
Hash getter and setter.
o0Ignition0o Jul 20, 2019
7efdc53
Fix scheme setter
o0Ignition0o Jul 20, 2019
736d7bc
removing unused imports.
o0Ignition0o Aug 3, 2019
a9ca033
Pleasing the 1.33.0 borrow checker.
o0Ignition0o Aug 3, 2019
8ef4847
Make sure a windows drive letter segment always ends with a slash.
o0Ignition0o Aug 5, 2019
aeef54f
trim file paths if needed.
o0Ignition0o Nov 10, 2019
925ec94
Avoid allocation when checking for windows drive letters.
o0Ignition0o Nov 10, 2019
4464840
Comments and nits fixups.
o0Ignition0o Dec 7, 2019
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5 changes: 3 additions & 2 deletions src/host.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,9 +24,10 @@ pub(crate) enum HostInternal {
Ipv6(Ipv6Addr),
}

impl<S> From<Host<S>> for HostInternal {
fn from(host: Host<S>) -> HostInternal {
impl From<Host<String>> for HostInternal {
fn from(host: Host<String>) -> HostInternal {
match host {
Host::Domain(ref s) if s.is_empty() => HostInternal::None,
Host::Domain(_) => HostInternal::Domain,
Host::Ipv4(address) => HostInternal::Ipv4(address),
Host::Ipv6(address) => HostInternal::Ipv6(address),
Expand Down
154 changes: 134 additions & 20 deletions src/lib.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -456,13 +456,15 @@ impl Url {

if self.slice(self.scheme_end + 1..).starts_with("//") {
// URL with authority
match self.byte_at(self.username_end) {
b':' => {
assert!(self.host_start >= self.username_end + 2);
assert_eq!(self.byte_at(self.host_start - 1), b'@');
if self.username_end != self.serialization.len() as u32 {
match self.byte_at(self.username_end) {
b':' => {
assert!(self.host_start >= self.username_end + 2);
assert_eq!(self.byte_at(self.host_start - 1), b'@');
}
b'@' => assert!(self.host_start == self.username_end + 1),
_ => assert_eq!(self.username_end, self.scheme_end + 3),
}
b'@' => assert!(self.host_start == self.username_end + 1),
_ => assert_eq!(self.username_end, self.scheme_end + 3),
}
assert!(self.host_start >= self.username_end);
assert!(self.host_end >= self.host_start);
Expand Down Expand Up @@ -490,7 +492,10 @@ impl Url {
Some(port_str.parse::<u16>().expect("Couldn't parse port?"))
);
}
assert_eq!(self.byte_at(self.path_start), b'/');
assert!(
self.path_start as usize == self.serialization.len()
|| matches!(self.byte_at(self.path_start), b'/' | b'#' | b'?')
);
} else {
// Anarchist URL (no authority)
assert_eq!(self.username_end, self.scheme_end + 1);
Expand All @@ -501,11 +506,11 @@ impl Url {
assert_eq!(self.path_start, self.scheme_end + 1);
}
if let Some(start) = self.query_start {
assert!(start > self.path_start);
assert!(start >= self.path_start);
assert_eq!(self.byte_at(start), b'?');
}
if let Some(start) = self.fragment_start {
assert!(start > self.path_start);
assert!(start >= self.path_start);
assert_eq!(self.byte_at(start), b'#');
}
if let (Some(query_start), Some(fragment_start)) = (self.query_start, self.fragment_start) {
Expand Down Expand Up @@ -685,7 +690,7 @@ impl Url {
/// ```
#[inline]
pub fn cannot_be_a_base(&self) -> bool {
!self.slice(self.path_start..).starts_with('/')
!self.slice(self.scheme_end + 1..).starts_with('/')
}

/// Return the username for this URL (typically the empty string)
Expand Down Expand Up @@ -745,7 +750,10 @@ impl Url {
pub fn password(&self) -> Option<&str> {
// This ':' is not the one marking a port number since a host can not be empty.
// (Except for file: URLs, which do not have port numbers.)
if self.has_authority() && self.byte_at(self.username_end) == b':' {
if self.has_authority()
&& self.username_end != self.serialization.len() as u32
&& self.byte_at(self.username_end) == b':'
{
debug_assert!(self.byte_at(self.host_start - 1) == b'@');
Some(self.slice(self.username_end + 1..self.host_start - 1))
} else {
Expand Down Expand Up @@ -1226,7 +1234,7 @@ impl Url {
if let Some(input) = fragment {
self.fragment_start = Some(to_u32(self.serialization.len()).unwrap());
self.serialization.push('#');
self.mutate(|parser| parser.parse_fragment(parser::Input::new(input)))
self.mutate(|parser| parser.parse_fragment(parser::Input::no_trim(input)))
} else {
self.fragment_start = None
}
Expand Down Expand Up @@ -1284,7 +1292,12 @@ impl Url {
let scheme_type = SchemeType::from(self.scheme());
let scheme_end = self.scheme_end;
self.mutate(|parser| {
parser.parse_query(scheme_type, scheme_end, parser::Input::new(input))
let vfn = parser.violation_fn;
parser.parse_query(
scheme_type,
scheme_end,
parser::Input::trim_tab_and_newlines(input, vfn),
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Where is the spec for the trimming when setting a query?

)
});
}

Expand Down Expand Up @@ -1625,14 +1638,34 @@ impl Url {
if host == "" && SchemeType::from(self.scheme()).is_special() {
return Err(ParseError::EmptyHost);
}
let mut host_substr = host;
// Otherwise, if c is U+003A (:) and the [] flag is unset, then
if !host.starts_with('[') || !host.ends_with(']') {
match host.find(':') {
Some(0) => {
// If buffer is the empty string, validation error, return failure.
return Err(ParseError::InvalidDomainCharacter);
}
// Let host be the result of host parsing buffer
Some(colon_index) => {
host_substr = &host[..colon_index];
}
None => {}
}
}
if SchemeType::from(self.scheme()).is_special() {
self.set_host_internal(Host::parse(host)?, None)
self.set_host_internal(Host::parse(host_substr)?, None);
} else {
self.set_host_internal(Host::parse_opaque(host)?, None)
self.set_host_internal(Host::parse_opaque(host_substr)?, None);
}
} else if self.has_host() {
if SchemeType::from(self.scheme()).is_special() {
let scheme_type = SchemeType::from(self.scheme());
if scheme_type.is_special() {
return Err(ParseError::EmptyHost);
} else {
if self.serialization.len() == self.path_start as usize {
self.serialization.push('/');
}
}
debug_assert!(self.byte_at(self.scheme_end) == b':');
debug_assert!(self.byte_at(self.path_start) == b'/');
Expand Down Expand Up @@ -1935,14 +1968,28 @@ impl Url {
///
/// # fn run() -> Result<(), ParseError> {
/// let mut url = Url::parse("https://example.net")?;
/// let result = url.set_scheme("foo");
/// assert_eq!(url.as_str(), "foo://example.net/");
/// let result = url.set_scheme("http");
/// assert_eq!(url.as_str(), "http://example.net/");
/// assert!(result.is_ok());
/// # Ok(())
/// # }
/// # run().unwrap();
/// ```
/// Change the URL’s scheme from `foo` to `bar`:
///
/// ```
/// use url::Url;
/// # use url::ParseError;
///
/// # fn run() -> Result<(), ParseError> {
/// let mut url = Url::parse("foo://example.net")?;
/// let result = url.set_scheme("bar");
/// assert_eq!(url.as_str(), "bar://example.net");
/// assert!(result.is_ok());
/// # Ok(())
/// # }
/// # run().unwrap();
/// ```
///
/// Cannot change URL’s scheme from `https` to `foõ`:
///
Expand Down Expand Up @@ -1975,14 +2022,55 @@ impl Url {
/// # }
/// # run().unwrap();
/// ```
/// Cannot change the URL’s scheme from `foo` to `https`:
///
/// ```
/// use url::Url;
/// # use url::ParseError;
///
/// # fn run() -> Result<(), ParseError> {
/// let mut url = Url::parse("foo://example.net")?;
/// let result = url.set_scheme("https");
/// assert_eq!(url.as_str(), "foo://example.net");
/// assert!(result.is_err());
/// # Ok(())
/// # }
/// # run().unwrap();
/// ```
/// Cannot change the URL’s scheme from `http` to `foo`:
///
/// ```
/// use url::Url;
/// # use url::ParseError;
///
/// # fn run() -> Result<(), ParseError> {
/// let mut url = Url::parse("http://example.net")?;
/// let result = url.set_scheme("foo");
/// assert_eq!(url.as_str(), "http://example.net/");
/// assert!(result.is_err());
/// # Ok(())
/// # }
/// # run().unwrap();
/// ```
pub fn set_scheme(&mut self, scheme: &str) -> Result<(), ()> {
let mut parser = Parser::for_setter(String::new());
let remaining = parser.parse_scheme(parser::Input::new(scheme))?;
if !remaining.is_empty()
|| (!self.has_host() && SchemeType::from(&parser.serialization).is_special())
let new_scheme_type = SchemeType::from(&parser.serialization);
let old_scheme_type = SchemeType::from(self.scheme());
// If url’s scheme is a special scheme and buffer is not a special scheme, then return.
if (new_scheme_type.is_special() && !old_scheme_type.is_special()) ||
// If url’s scheme is not a special scheme and buffer is a special scheme, then return.
(!new_scheme_type.is_special() && old_scheme_type.is_special()) ||
// If url includes credentials or has a non-null port, and buffer is "file", then return.
// If url’s scheme is "file" and its host is an empty host or null, then return.
(new_scheme_type.is_file() && self.has_authority())
{
return Err(());
}

if !remaining.is_empty() || (!self.has_host() && new_scheme_type.is_special()) {
return Err(());
}
let old_scheme_end = self.scheme_end;
let new_scheme_end = to_u32(parser.serialization.len()).unwrap();
let adjust = |index: &mut u32| {
Expand All @@ -2004,6 +2092,14 @@ impl Url {

parser.serialization.push_str(self.slice(old_scheme_end..));
self.serialization = parser.serialization;

// Update the port so it can be removed
// If it is the scheme's default
// we don't mind it silently failing
// if there was no port in the first place
let previous_port = self.port();
let _ = self.set_port(previous_port);

Ok(())
}

Expand Down Expand Up @@ -2408,6 +2504,7 @@ fn path_to_file_url_segments_windows(
}
let mut components = path.components();

let host_start = serialization.len() + 1;
let host_end;
let host_internal;
match components.next() {
Expand All @@ -2434,15 +2531,24 @@ fn path_to_file_url_segments_windows(
_ => return Err(()),
}

let mut path_only_has_prefix = true;
for component in components {
if component == Component::RootDir {
continue;
}
path_only_has_prefix = false;
// FIXME: somehow work with non-unicode?
let component = component.as_os_str().to_str().ok_or(())?;
serialization.push('/');
serialization.extend(percent_encode(component.as_bytes(), PATH_SEGMENT));
}
// A windows drive letter must end with a slash.
if serialization.len() > host_start
&& parser::is_windows_drive_letter(&serialization[host_start..])
&& path_only_has_prefix
{
serialization.push('/');
}
Ok((host_end, host_internal))
}

Expand All @@ -2467,6 +2573,14 @@ fn file_url_segments_to_pathbuf(
bytes.push(b'/');
bytes.extend(percent_decode(segment.as_bytes()));
}
// A windows drive letter must end with a slash.
if bytes.len() > 2 {
if matches!(bytes[bytes.len() - 2], b'a'..=b'z' | b'A'..=b'Z')
&& matches!(bytes[bytes.len() - 1], b':' | b'|')
{
bytes.push(b'/');
}
}
let os_str = OsStr::from_bytes(&bytes);
let path = PathBuf::from(os_str);
debug_assert!(
Expand Down
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