1 files changed, 68 insertions, 0 deletions
diff --git a/netwerk/base/rust-url-capi/src/error_mapping.rs b/netwerk/base/rust-url-capi/src/error_mapping.rs
new file mode 100644
index 000000000..f20afb263
--- /dev/null
+++ b/netwerk/base/rust-url-capi/src/error_mapping.rs
@@ -0,0 +1,68 @@
+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
+    }
+  }
+}