Remove Rust URL parser CAPI

Part 2 for #58

15 files changed, 0 insertions, 854 deletions

diff --git a/browser/confvars.sh b/browser/confvars.sh
index 16157e23c..8cdd6e1f3 100755
--- a/browser/confvars.sh
+++ b/browser/confvars.sh
@@ -53,7 +53,6 @@ MOZ_PROFILE_MIGRATOR=1
 MOZ_APP_STATIC_INI=1
 MOZ_WEBGL_CONFORMANT=1
 MOZ_JSDOWNLOADS=1
-MOZ_RUST_URLPARSE=1
 MOZ_WEBRTC=1
 MOZ_WEBEXTENSIONS=1
 MOZ_DEVTOOLS=1
diff --git a/netwerk/base/nsStandardURL.cpp b/netwerk/base/nsStandardURL.cpp
index 922d8a3ba..bc1350f28 100644
--- a/netwerk/base/nsStandardURL.cpp
+++ b/netwerk/base/nsStandardURL.cpp
@@ -65,19 +65,6 @@ static LazyLogModule gStandardURLLog("nsStandardURL");
 
 //----------------------------------------------------------------------------
 
-#ifdef MOZ_RUST_URLPARSE
-extern "C" int32_t c_fn_set_size(void * container, size_t size)
-{
-  ((nsACString *) container)->SetLength(size);
-  return 0;
-}
-
-extern "C" char * c_fn_get_buffer(void * container)
-{
-  return ((nsACString *) container)->BeginWriting();
-}
-#endif
-
 static nsresult
 EncodeString(nsIUnicodeEncoder *encoder, const nsAFlatString &str, nsACString &result)
 {
diff --git a/netwerk/base/rust-url-capi/.gitignore b/netwerk/base/rust-url-capi/.gitignore
deleted file mode 100644
index 4fffb2f89..000000000
--- a/netwerk/base/rust-url-capi/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-/target
-/Cargo.lock
diff --git a/netwerk/base/rust-url-capi/Cargo.toml b/netwerk/base/rust-url-capi/Cargo.toml
deleted file mode 100644
index ecdb53058..000000000
--- a/netwerk/base/rust-url-capi/Cargo.toml
+++ /dev/null
@@ -1,19 +0,0 @@
-[package]
-
-name = "rust_url_capi"
-version = "0.0.1"
-authors = ["Valentin Gosu <valentin.gosu@gmail.com>"]
-
-[profile.dev]
-opt-level = 3
-debug = true
-rpath = true
-lto = true
-
-[lib]
-name = "rust_url_capi"
-
-
-[dependencies]
-libc = "0.2.0"
-url = "1.2.1"
diff --git a/netwerk/base/rust-url-capi/src/error_mapping.rs b/netwerk/base/rust-url-capi/src/error_mapping.rs
deleted file mode 100644
index f20afb263..000000000
--- a/netwerk/base/rust-url-capi/src/error_mapping.rs
+++ /dev/null
@@ -1,68 +0,0 @@
-use url::ParseError;
-
-pub trait ErrorCode {
-  fn error_code(&self) -> i32;
-}
-
-impl<T: ErrorCode> ErrorCode for Result<(), T> {
-  fn error_code(&self) -> i32 {
-    match *self {
-      Ok(_) => 0,
-      Err(ref error) => error.error_code(),
-    }
-  }
-}
-
-impl ErrorCode for () {
-    fn error_code(&self) -> i32 {
-        return -1;
-    }
-}
-impl ErrorCode for ParseError {
-  fn error_code(&self) -> i32 {
-      return -1;
-//    match *self {
-//      ParseError::EmptyHost                              =>  -1,
-//      ParseError::InvalidScheme                          =>  -2,
-//      ParseError::InvalidPort                            =>  -3,
-//      ParseError::InvalidIpv6Address                     =>  -4,
-//      ParseError::InvalidDomainCharacter                 =>  -5,
-//      ParseError::InvalidCharacter                       =>  -6,
-//      ParseError::InvalidBackslash                       =>  -7,
-//      ParseError::InvalidPercentEncoded                  =>  -8,
-//      ParseError::InvalidAtSymbolInUser                  =>  -9,
-//      ParseError::ExpectedTwoSlashes                     => -10,
-//      ParseError::ExpectedInitialSlash                   => -11,
-//      ParseError::NonUrlCodePoint                        => -12,
-//      ParseError::RelativeUrlWithScheme                  => -13,
-//      ParseError::RelativeUrlWithoutBase                 => -14,
-//      ParseError::RelativeUrlWithNonRelativeBase         => -15,
-//      ParseError::NonAsciiDomainsNotSupportedYet         => -16,
-//      ParseError::CannotSetJavascriptFragment            => -17,
-//      ParseError::CannotSetPortWithFileLikeScheme        => -18,
-//      ParseError::CannotSetUsernameWithNonRelativeScheme => -19,
-//      ParseError::CannotSetPasswordWithNonRelativeScheme => -20,
-//      ParseError::CannotSetHostPortWithNonRelativeScheme => -21,
-//      ParseError::CannotSetHostWithNonRelativeScheme     => -22,
-//      ParseError::CannotSetPortWithNonRelativeScheme     => -23,
-//      ParseError::CannotSetPathWithNonRelativeScheme     => -24,
-//    }
-  }
-}
-
-pub enum NSError {
-  OK,
-  InvalidArg,
-  Failure,
-}
-
-impl ErrorCode for NSError {
-  #[allow(overflowing_literals)]
-  fn error_code(&self) -> i32 {
-    match *self {
-      NSError::OK => 0,
-      NSError::InvalidArg => 0x80070057,
-      NSError::Failure => 0x80004005
-    }
-  }
-}
diff --git a/netwerk/base/rust-url-capi/src/lib.rs b/netwerk/base/rust-url-capi/src/lib.rs
deleted file mode 100644
index e2997ce46..000000000
--- a/netwerk/base/rust-url-capi/src/lib.rs
+++ /dev/null
@@ -1,477 +0,0 @@
-extern crate url;
-use url::{Url, ParseError, ParseOptions};
-use url::quirks;
-extern crate libc;
-use libc::size_t;
-
-
-use std::mem;
-use std::str;
-
-#[allow(non_camel_case_types)]
-pub type rusturl_ptr = *const libc::c_void;
-
-mod string_utils;
-pub use string_utils::*;
-
-mod error_mapping;
-use error_mapping::*;
-
-fn parser<'a>() -> ParseOptions<'a> {
-   Url::options()
-}
-
-fn default_port(scheme: &str) -> Option<u32> {
-    match scheme {
-        "ftp" => Some(21),
-        "gopher" => Some(70),
-        "http" => Some(80),
-        "https" => Some(443),
-        "ws" => Some(80),
-        "wss" => Some(443),
-        "rtsp" => Some(443),
-        "moz-anno" => Some(443),
-        "android" => Some(443),
-        _ => None,
-    }
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_new(spec: *mut libc::c_char, len: size_t) -> rusturl_ptr {
-  let slice = std::slice::from_raw_parts(spec as *const libc::c_uchar, len as usize);
-  let url_spec = match str::from_utf8(slice) {
-    Ok(spec) => spec,
-    Err(_) => return 0 as rusturl_ptr
-  };
-
-  let url = match parser().parse(url_spec) {
-    Ok(url) => url,
-    Err(_) => return 0 as rusturl_ptr
-  };
-
-  let url = Box::new(url);
-  Box::into_raw(url) as rusturl_ptr
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_free(urlptr: rusturl_ptr) {
-  if urlptr.is_null() {
-    return ();
-  }
-  let url: Box<Url> = Box::from_raw(urlptr as *mut url::Url);
-  drop(url);
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_get_spec(urlptr: rusturl_ptr, cont: *mut libc::c_void) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url: &Url = mem::transmute(urlptr);
-  cont.assign(&url.to_string())
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_get_scheme(urlptr: rusturl_ptr, cont: *mut libc::c_void) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url: &Url = mem::transmute(urlptr);
-  cont.assign(&url.scheme())
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_get_username(urlptr: rusturl_ptr, cont: *mut libc::c_void) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url: &Url = mem::transmute(urlptr);
-  if url.cannot_be_a_base() {
-      cont.set_size(0)
-  } else {
-      cont.assign(url.username())
-  }
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_get_password(urlptr: rusturl_ptr, cont: *mut libc::c_void) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url: &Url = mem::transmute(urlptr);
-  match url.password() {
-    Some(p) => cont.assign(&p.to_string()),
-    None => cont.set_size(0)
-  }
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_get_host(urlptr: rusturl_ptr, cont: *mut libc::c_void) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url: &Url = mem::transmute(urlptr);
-
-  match url.host() {
-    Some(h) => cont.assign(&h.to_string()),
-    None => cont.set_size(0)
-  }
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_get_port(urlptr: rusturl_ptr) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url: &Url = mem::transmute(urlptr);
-
-  match url.port() {
-    Some(port) => port as i32,
-    None => -1
-  }
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_get_path(urlptr: rusturl_ptr, cont: *mut libc::c_void) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url: &Url = mem::transmute(urlptr);
-  if url.cannot_be_a_base() {
-      cont.set_size(0)
-  } else {
-      cont.assign(url.path())
-  }
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_get_query(urlptr: rusturl_ptr, cont: *mut libc::c_void) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url: &Url = mem::transmute(urlptr);
-  match url.query() {
-    Some(ref s) => cont.assign(s),
-    None => cont.set_size(0)
-  }
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_get_fragment(urlptr: rusturl_ptr, cont: *mut libc::c_void) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url: &Url = mem::transmute(urlptr);
-
-  match url.fragment() {
-    Some(ref fragment) => cont.assign(fragment),
-    None => cont.set_size(0)
-  }
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_has_fragment(urlptr: rusturl_ptr) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url: &Url = mem::transmute(urlptr);
-
-  match url.fragment() {
-    Some(_) => return 1,
-    None => return 0
-  }
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_set_scheme(urlptr: rusturl_ptr, scheme: *mut libc::c_char, len: size_t) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let mut url: &mut Url = mem::transmute(urlptr);
-  let slice = std::slice::from_raw_parts(scheme as *const libc::c_uchar, len as usize);
-
-  let scheme_ = match str::from_utf8(slice).ok() {
-    Some(p) => p,
-    None => return ParseError::InvalidDomainCharacter.error_code() // utf-8 failed
-  };
-
-  quirks::set_protocol(url, scheme_).error_code()
-}
-
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_set_username(urlptr: rusturl_ptr, username: *mut libc::c_char, len: size_t) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let mut url: &mut Url = mem::transmute(urlptr);
-  let slice = std::slice::from_raw_parts(username as *const libc::c_uchar, len as usize);
-
-  let username_ = match str::from_utf8(slice).ok() {
-    Some(p) => p,
-    None => return ParseError::InvalidDomainCharacter.error_code() // utf-8 failed
-  };
-
-  quirks::set_username(url, username_).error_code()
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_set_password(urlptr: rusturl_ptr, password: *mut libc::c_char, len: size_t) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let mut url: &mut Url = mem::transmute(urlptr);
-  let slice = std::slice::from_raw_parts(password as *const libc::c_uchar, len as usize);
-
-  let password_ = match str::from_utf8(slice).ok() {
-    Some(p) => p,
-    None => return ParseError::InvalidDomainCharacter.error_code() // utf-8 failed
-  };
-
-  quirks::set_password(url, password_).error_code()
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_set_host_and_port(urlptr: rusturl_ptr, host_and_port: *mut libc::c_char, len: size_t) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let mut url: &mut Url = mem::transmute(urlptr);
-  let slice = std::slice::from_raw_parts(host_and_port as *const libc::c_uchar, len as usize);
-
-  let host_and_port_ = match str::from_utf8(slice).ok() {
-    Some(p) => p,
-    None => return ParseError::InvalidDomainCharacter.error_code() // utf-8 failed
-  };
-
-  quirks::set_host(url, host_and_port_).error_code()
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_set_host(urlptr: rusturl_ptr, host: *mut libc::c_char, len: size_t) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let mut url: &mut Url = mem::transmute(urlptr);
-  let slice = std::slice::from_raw_parts(host as *const libc::c_uchar, len as usize);
-
-  let hostname = match str::from_utf8(slice).ok() {
-    Some(h) => h,
-    None => return ParseError::InvalidDomainCharacter.error_code() // utf-8 failed
-  };
-
-  quirks::set_hostname(url, hostname).error_code()
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_set_port(urlptr: rusturl_ptr, port: *mut libc::c_char, len: size_t) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let mut url: &mut Url = mem::transmute(urlptr);
-  let slice = std::slice::from_raw_parts(port as *const libc::c_uchar, len as usize);
-
-  let port_ = match str::from_utf8(slice).ok() {
-    Some(p) => p,
-    None => return ParseError::InvalidDomainCharacter.error_code() // utf-8 failed
-  };
-
-  quirks::set_port(url, port_).error_code()
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_set_port_no(urlptr: rusturl_ptr, new_port: i32) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let mut url: &mut Url = mem::transmute(urlptr);
-  if url.cannot_be_a_base() {
-      -100
-  } else {
-    if url.scheme() == "file" {
-        return -100;
-    }
-    match default_port(url.scheme()) {
-      Some(def_port) => if new_port == def_port as i32 {
-        let _ = url.set_port(None);
-        return NSError::OK.error_code();
-      },
-      None => {}
-    };
-    if new_port > std::u16::MAX as i32 || new_port < 0 {
-      let _ = url.set_port(None);
-    } else {
-      let _ = url.set_port(Some(new_port as u16));
-    }
-    NSError::OK.error_code()
-  }
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_set_path(urlptr: rusturl_ptr, path: *mut libc::c_char, len: size_t) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let mut url: &mut Url = mem::transmute(urlptr);
-  let slice = std::slice::from_raw_parts(path as *const libc::c_uchar, len as usize);
-
-  let path_ = match str::from_utf8(slice).ok() {
-    Some(p) => p,
-    None => return ParseError::InvalidDomainCharacter.error_code() // utf-8 failed
-  };
-
-  quirks::set_pathname(url, path_).error_code()
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_set_query(urlptr: rusturl_ptr, query: *mut libc::c_char, len: size_t) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let mut url: &mut Url = mem::transmute(urlptr);
-  let slice = std::slice::from_raw_parts(query as *const libc::c_uchar, len as usize);
-
-  let query_ = match str::from_utf8(slice).ok() {
-    Some(p) => p,
-    None => return ParseError::InvalidDomainCharacter.error_code() // utf-8 failed
-  };
-
-  quirks::set_search(url, query_).error_code()
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_set_fragment(urlptr: rusturl_ptr, fragment: *mut libc::c_char, len: size_t) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let mut url: &mut Url = mem::transmute(urlptr);
-  let slice = std::slice::from_raw_parts(fragment as *const libc::c_uchar, len as usize);
-
-  let fragment_ = match str::from_utf8(slice).ok() {
-    Some(p) => p,
-    None => return ParseError::InvalidDomainCharacter.error_code() // utf-8 failed
-  };
-
-  quirks::set_hash(url, fragment_).error_code()
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_resolve(urlptr: rusturl_ptr, resolve: *mut libc::c_char, len: size_t, cont: *mut libc::c_void) -> i32 {
-  if urlptr.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url: &mut Url = mem::transmute(urlptr);
-
-    let slice = std::slice::from_raw_parts(resolve as *const libc::c_uchar, len as usize);
-
-  let resolve_ = match str::from_utf8(slice).ok() {
-    Some(p) => p,
-    None => return NSError::Failure.error_code()
-  };
-
-  match parser().base_url(Some(&url)).parse(resolve_).ok() {
-    Some(u) => cont.assign(&u.to_string()),
-    None => cont.set_size(0)
-  }
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_common_base_spec(urlptr1: rusturl_ptr, urlptr2: rusturl_ptr, cont: *mut libc::c_void) -> i32 {
-  if urlptr1.is_null() || urlptr2.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url1: &Url = mem::transmute(urlptr1);
-  let url2: &Url = mem::transmute(urlptr2);
-
-  if url1 == url2 {
-    return cont.assign(&url1.to_string());
-  }
-
-  if url1.scheme() != url2.scheme() ||
-     url1.host() != url2.host() ||
-     url1.username() != url2.username() ||
-     url1.password() != url2.password() ||
-     url1.port() != url2.port() {
-    return cont.set_size(0);
-  }
-
-  let path1 = match url1.path_segments() {
-    Some(path) => path,
-    None => return cont.set_size(0)
-  };
-  let path2 = match url2.path_segments() {
-    Some(path) => path,
-    None => return cont.set_size(0)
-  };
-
-  let mut url = url1.clone();
-  url.set_query(None);
-  let _ = url.set_host(None);
-  {
-    let mut new_segments = if let Ok(segments) = url.path_segments_mut() {
-      segments
-    } else {
-      return cont.set_size(0)
-    };
-
-    for (p1, p2) in path1.zip(path2) {
-      if p1 != p2 {
-        break;
-      } else {
-          new_segments.push(p1);
-      }
-    }
-  }
-
-  cont.assign(&url.to_string())
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rusturl_relative_spec(urlptr1: rusturl_ptr, urlptr2: rusturl_ptr, cont: *mut libc::c_void) -> i32 {
-  if urlptr1.is_null() || urlptr2.is_null() {
-    return NSError::InvalidArg.error_code();
-  }
-  let url1: &Url = mem::transmute(urlptr1);
-  let url2: &Url = mem::transmute(urlptr2);
-
-  if url1 == url2 {
-    return cont.set_size(0);
-  }
-
-  if url1.scheme() != url2.scheme() ||
-     url1.host() != url2.host() ||
-     url1.username() != url2.username() ||
-     url1.password() != url2.password() ||
-     url1.port() != url2.port() {
-    return cont.assign(&url2.to_string());
-  }
-
-  let mut path1 = match url1.path_segments() {
-    Some(path) => path,
-    None => return cont.assign(&url2.to_string())
-  };
-  let mut path2 = match url2.path_segments() {
-    Some(path) => path,
-    None => return cont.assign(&url2.to_string())
-  };
-
-  // TODO: file:// on WIN?
-
-  // Exhaust the part of the iterators that match
-  while let (Some(ref p1), Some(ref p2)) = (path1.next(), path2.next()) {
-    if p1 != p2 {
-      break;
-    }
-  }
-
-  let mut buffer: String = "".to_string();
-  for _ in path1 {
-    buffer = buffer + "../";
-  }
-  for p2 in path2 {
-    buffer = buffer + p2 + "/";
-  }
-
-  return cont.assign(&buffer);
-}
-
diff --git a/netwerk/base/rust-url-capi/src/rust-url-capi.h b/netwerk/base/rust-url-capi/src/rust-url-capi.h
deleted file mode 100644
index 8d7a05aed..000000000
--- a/netwerk/base/rust-url-capi/src/rust-url-capi.h
+++ /dev/null
@@ -1,45 +0,0 @@
-#ifndef __RUST_URL_CAPI
-#define __RUST_URL_CAPI
-#include <stdlib.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct rusturl;
-typedef struct rusturl* rusturl_ptr;
-
-rusturl_ptr rusturl_new(const char *spec, size_t src_len);
-void rusturl_free(rusturl_ptr url);
-
-int32_t rusturl_get_spec(rusturl_ptr url, void*);
-int32_t rusturl_get_scheme(rusturl_ptr url, void*);
-int32_t rusturl_get_username(rusturl_ptr url, void*);
-int32_t rusturl_get_password(rusturl_ptr url, void*);
-int32_t rusturl_get_host(rusturl_ptr url, void*);
-int32_t rusturl_get_port(rusturl_ptr url); // returns port or -1
-int32_t rusturl_get_path(rusturl_ptr url, void*);
-int32_t rusturl_get_query(rusturl_ptr url, void*);
-int32_t rusturl_get_fragment(rusturl_ptr url, void*);
-int32_t rusturl_has_fragment(rusturl_ptr url); // 1 true, 0 false, < 0 error
-
-int32_t rusturl_set_scheme(rusturl_ptr url, const char *scheme, size_t len);
-int32_t rusturl_set_username(rusturl_ptr url, const char *user, size_t len);
-int32_t rusturl_set_password(rusturl_ptr url, const char *pass, size_t len);
-int32_t rusturl_set_host_and_port(rusturl_ptr url, const char *hostport, size_t len);
-int32_t rusturl_set_host(rusturl_ptr url, const char *host, size_t len);
-int32_t rusturl_set_port(rusturl_ptr url, const char *port, size_t len);
-int32_t rusturl_set_port_no(rusturl_ptr url, const int32_t port);
-int32_t rusturl_set_path(rusturl_ptr url, const char *path, size_t len);
-int32_t rusturl_set_query(rusturl_ptr url, const char *path, size_t len);
-int32_t rusturl_set_fragment(rusturl_ptr url, const char *path, size_t len);
-
-int32_t rusturl_resolve(rusturl_ptr url, const char *relative, size_t len, void*);
-int32_t rusturl_common_base_spec(rusturl_ptr url1, rusturl_ptr url2, void*);
-int32_t rusturl_relative_spec(rusturl_ptr url1, rusturl_ptr url2, void*);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif // __RUST_URL_CAPI
\ No newline at end of file
diff --git a/netwerk/base/rust-url-capi/src/string_utils.rs b/netwerk/base/rust-url-capi/src/string_utils.rs
deleted file mode 100644
index ae68a60dc..000000000
--- a/netwerk/base/rust-url-capi/src/string_utils.rs
+++ /dev/null
@@ -1,57 +0,0 @@
-extern crate libc;
-use libc::size_t;
-
-extern crate std;
-use std::ptr;
-
-use error_mapping::*;
-
-extern "C" {
-  fn c_fn_set_size(user: *mut libc::c_void, size: size_t) -> i32;
-  fn c_fn_get_buffer(user: *mut libc::c_void) -> *mut libc::c_char;
-}
-
-pub trait StringContainer {
-  fn set_size(&self, size_t) -> i32;
-  fn get_buffer(&self) -> *mut libc::c_char;
-  fn assign(&self, content: &str) -> i32;
-}
-
-impl StringContainer for *mut libc::c_void {
-  fn set_size(&self, size: size_t) -> i32 {
-    if (*self).is_null() {
-      return NSError::InvalidArg.error_code();
-    }
-    unsafe {
-      c_fn_set_size(*self, size);
-    }
-
-    return NSError::OK.error_code();
-  }
-  fn get_buffer(&self) -> *mut libc::c_char {
-    if (*self).is_null() {
-      return 0 as *mut libc::c_char;
-    }
-    unsafe {
-      c_fn_get_buffer(*self)
-    }
-  }
-  fn assign(&self, content: &str) -> i32 {
-    if (*self).is_null() {
-      return NSError::InvalidArg.error_code();
-    }
-
-    unsafe {
-      let slice = content.as_bytes();
-      c_fn_set_size(*self, slice.len());
-      let buf = c_fn_get_buffer(*self);
-      if buf.is_null() {
-        return NSError::Failure.error_code();
-      }
-
-      ptr::copy(slice.as_ptr(), buf as *mut u8, slice.len());
-    }
-
-    NSError::OK.error_code()
-  }
-}
diff --git a/netwerk/base/rust-url-capi/test/Makefile b/netwerk/base/rust-url-capi/test/Makefile
deleted file mode 100644
index a4e2fd0cf..000000000
--- a/netwerk/base/rust-url-capi/test/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-all:
-	cd .. && cargo build
-	g++ -Wall -o test test.cpp ../target/debug/librust*.a -ldl -lpthread -lrt -lgcc_s -lpthread -lc -lm -std=c++0x
-	./test
diff --git a/netwerk/base/rust-url-capi/test/test.cpp b/netwerk/base/rust-url-capi/test/test.cpp
deleted file mode 100644
index 6e90ea43b..000000000
--- a/netwerk/base/rust-url-capi/test/test.cpp
+++ /dev/null
@@ -1,141 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include "../src/rust-url-capi.h"
-
-class StringContainer
-{
-public:
-  StringContainer()
-  {
-    mBuffer = nullptr;
-    mLength = 0;
-  }
-
-  ~StringContainer()
-  {
-    free(mBuffer);
-    mBuffer = nullptr;
-  }
-
-  void SetSize(size_t size)
-  {
-    mLength = size;
-    if (mBuffer) {
-      mBuffer = (char *)realloc(mBuffer, size);
-      return;
-    }
-    mBuffer = (char *)malloc(size);
-  }
-
-  char * GetBuffer()
-  {
-    return mBuffer;
-  }
-
-  void CheckEquals(const char * ref) {
-    int32_t refLen = strlen(ref);
-    printf("CheckEquals: %s (len:%d)\n", ref, refLen);
-    if (refLen != mLength || strncmp(mBuffer, ref, mLength)) {
-      printf("\t--- ERROR ---\n");
-      printf("Got        : ");
-      fwrite(mBuffer, mLength, 1, stdout);
-      printf(" (len:%d)\n", mLength);
-      exit(-1);
-    }
-    printf("-> OK\n");
-  }
-private:
-  int32_t mLength;
-  char * mBuffer;
-};
-
-extern "C" int32_t c_fn_set_size(void * container, size_t size)
-{
-  ((StringContainer *) container)->SetSize(size);
-  return 0;
-}
-
-extern "C" char * c_fn_get_buffer(void * container)
-{
-  return ((StringContainer *) container)->GetBuffer();
-}
-
-#define TEST_CALL(func, expected)                  \
-{                                                  \
-  int32_t code = func;                             \
-  printf("%s -> code %d\n", #func, code);          \
-  assert(code == expected);                        \
-  printf("-> OK\n");                               \
-}                                                  \
-
-
-int main() {
-  // Create URL
-  rusturl_ptr url = rusturl_new("http://example.com/path/some/file.txt",
-                                strlen("http://example.com/path/some/file.txt"));
-  assert(url); // Check we have a URL
-
-  StringContainer container;
-
-  TEST_CALL(rusturl_get_spec(url, &container), 0);
-  container.CheckEquals("http://example.com/path/some/file.txt");
-  TEST_CALL(rusturl_set_host(url, "test.com", strlen("test.com")), 0);
-  TEST_CALL(rusturl_get_host(url, &container), 0);
-  container.CheckEquals("test.com");
-  TEST_CALL(rusturl_get_path(url, &container), 0);
-  container.CheckEquals("/path/some/file.txt");
-  TEST_CALL(rusturl_set_path(url, "hello/../else.txt", strlen("hello/../else.txt")), 0);
-  TEST_CALL(rusturl_get_path(url, &container), 0);
-  container.CheckEquals("/else.txt");
-  TEST_CALL(rusturl_resolve(url, "./bla/file.txt", strlen("./bla/file.txt"), &container), 0);
-  container.CheckEquals("http://test.com/bla/file.txt");
-  TEST_CALL(rusturl_get_scheme(url, &container), 0);
-  container.CheckEquals("http");
-  TEST_CALL(rusturl_set_username(url, "user", strlen("user")), 0);
-  TEST_CALL(rusturl_get_username(url, &container), 0);
-  container.CheckEquals("user");
-  TEST_CALL(rusturl_get_spec(url, &container), 0);
-  container.CheckEquals("http://user@test.com/else.txt");
-  TEST_CALL(rusturl_set_password(url, "pass", strlen("pass")), 0);
-  TEST_CALL(rusturl_get_password(url, &container), 0);
-  container.CheckEquals("pass");
-  TEST_CALL(rusturl_get_spec(url, &container), 0);
-  container.CheckEquals("http://user:pass@test.com/else.txt");
-  TEST_CALL(rusturl_set_username(url, "", strlen("")), 0);
-  TEST_CALL(rusturl_set_password(url, "", strlen("")), 0);
-  TEST_CALL(rusturl_get_spec(url, &container), 0);
-  container.CheckEquals("http://test.com/else.txt");
-  TEST_CALL(rusturl_set_host_and_port(url, "example.org:1234", strlen("example.org:1234")), 0);
-  TEST_CALL(rusturl_get_host(url, &container), 0);
-  container.CheckEquals("example.org");
-  assert(rusturl_get_port(url) == 1234);
-  TEST_CALL(rusturl_set_port(url, "9090", strlen("9090")), 0);
-  assert(rusturl_get_port(url) == 9090);
-  TEST_CALL(rusturl_set_query(url, "x=1", strlen("x=1")), 0);
-  TEST_CALL(rusturl_get_query(url, &container), 0);
-  container.CheckEquals("x=1");
-  TEST_CALL(rusturl_set_fragment(url, "fragment", strlen("fragment")), 0);
-  TEST_CALL(rusturl_get_fragment(url, &container), 0);
-  container.CheckEquals("fragment");
-  TEST_CALL(rusturl_get_spec(url, &container), 0);
-  container.CheckEquals("http://example.org:9090/else.txt?x=1#fragment");
-
-  // Free the URL
-  rusturl_free(url);
-
-  url = rusturl_new("http://example.com/#",
-                                strlen("http://example.com/#"));
-  assert(url); // Check we have a URL
-
-  assert(rusturl_has_fragment(url) == 1);
-  TEST_CALL(rusturl_set_fragment(url, "", 0), 0);
-  assert(rusturl_has_fragment(url) == 0);
-  TEST_CALL(rusturl_get_spec(url, &container), 0);
-  container.CheckEquals("http://example.com/");
-
-  rusturl_free(url);
-
-  printf("SUCCESS\n");
-  return 0;
-}
\ No newline at end of file
diff --git a/old-configure.in b/old-configure.in
index 4c52747b6..75c531591 100644
--- a/old-configure.in
+++ b/old-configure.in
@@ -2425,13 +2425,6 @@ if test -n "$MOZ_GRAPHENE"; then
     AC_DEFINE(MOZ_GRAPHENE)
 fi
 
-# Propagate feature switches for code written in rust from confvars.sh
-if test -n "$MOZ_RUST"; then
-    if test -n "$MOZ_RUST_URLPARSE"; then
-        AC_DEFINE(MOZ_RUST_URLPARSE)
-    fi
-fi
-
 AC_SUBST(MOZ_XULRUNNER)
 AC_SUBST(MOZ_B2G)
 AC_SUBST(MOZ_B2G_VERSION)
diff --git a/toolkit/library/gtest/rust/Cargo.lock b/toolkit/library/gtest/rust/Cargo.lock
index 2f2f7a4a8..4f0318ab4 100644
--- a/toolkit/library/gtest/rust/Cargo.lock
+++ b/toolkit/library/gtest/rust/Cargo.lock
@@ -16,7 +16,6 @@ name = "gkrust-shared"
 version = "0.1.0"
 dependencies = [
  "nsstring 0.1.0",
- "rust_url_capi 0.0.1",
 ]
 
 [[package]]
@@ -51,14 +50,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rust_url_capi"
-version = "0.0.1"
-dependencies = [
- "libc 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
 name = "unicode-bidi"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/toolkit/library/rust/Cargo.lock b/toolkit/library/rust/Cargo.lock
index ca04ab281..5ab22840a 100644
--- a/toolkit/library/rust/Cargo.lock
+++ b/toolkit/library/rust/Cargo.lock
@@ -15,7 +15,6 @@ name = "gkrust-shared"
 version = "0.1.0"
 dependencies = [
  "nsstring 0.1.0",
- "rust_url_capi 0.0.1",
 ]
 
 [[package]]
@@ -43,14 +42,6 @@ name = "nsstring"
 version = "0.1.0"
 
 [[package]]
-name = "rust_url_capi"
-version = "0.0.1"
-dependencies = [
- "libc 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
 name = "unicode-bidi"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/toolkit/library/rust/shared/Cargo.toml b/toolkit/library/rust/shared/Cargo.toml
index fe05ecaaf..4b94a1c94 100644
--- a/toolkit/library/rust/shared/Cargo.toml
+++ b/toolkit/library/rust/shared/Cargo.toml
@@ -7,7 +7,6 @@ description = "Shared Rust code for libxul"
 
 [dependencies]
 nsstring = { path = "../../../../xpcom/rust/nsstring" }
-rust_url_capi = { path = "../../../../netwerk/base/rust-url-capi" }
 
 [lib]
 path = "lib.rs"
diff --git a/toolkit/library/rust/shared/lib.rs b/toolkit/library/rust/shared/lib.rs
index ddaebca51..f6d7a5ae0 100644
--- a/toolkit/library/rust/shared/lib.rs
+++ b/toolkit/library/rust/shared/lib.rs
@@ -3,4 +3,3 @@
 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 extern crate nsstring;
-extern crate rust_url_capi;