auto merge of #1580 : brunoabinader/servo/dom-exception, r=Ms2ger

Spec:
http://dom.spec.whatwg.org/#domexception

This is a subtask for #1542.

src/components/script/dom/bindings/codegen/Bindings.conf

@@ -160,6 +160,10 @@ DOMInterfaces = {
     ],
 },
 
+'DOMException': {
+    'nativeType': 'DOMException',
+},
+
 'DOMImplementation': {
     'nativeType': 'DOMImplementation',
 },

src/components/script/dom/domexception.rs

@@ -0,0 +1,105 @@
+/* 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 dom::bindings::codegen::DOMExceptionBinding;
+use dom::bindings::utils::DOMString;
+use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
+use dom::window::Window;
+
+#[repr(uint)]
+#[deriving(ToStr)]
+enum DOMErrorName {
+    IndexSizeError = 1,
+    HierarchyRequestError = 3,
+    WrongDocumentError = 4,
+    InvalidCharacterError = 5,
+    NoModificationAllowedError = 7,
+    NotFoundError = 8,
+    NotSupportedError = 9,
+    InvalidStateError = 11,
+    SyntaxError = 12,
+    InvalidModificationError = 13,
+    NamespaceError = 14,
+    InvalidAccessError = 15,
+    SecurityError = 18,
+    NetworkError = 19,
+    AbortError = 20,
+    URLMismatchError = 21,
+    QuotaExceededError = 22,
+    TimeoutError = 23,
+    InvalidNodeTypeError = 24,
+    DataCloneError = 25,
+    EncodingError
+}
+
+pub struct DOMException {
+    code: DOMErrorName,
+    reflector_: Reflector
+}
+
+impl DOMException {
+    pub fn new_inherited(code: DOMErrorName) -> DOMException {
+        DOMException {
+            code: code,
+            reflector_: Reflector::new()
+        }
+    }
+
+    pub fn new(window: &Window, code: DOMErrorName) -> @mut DOMException {
+        reflect_dom_object(@mut DOMException::new_inherited(code), window, DOMExceptionBinding::Wrap)
+    }
+}
+
+impl Reflectable for DOMException {
+    fn reflector<'a>(&'a self) -> &'a Reflector {
+        &self.reflector_
+    }
+
+    fn mut_reflector<'a>(&'a mut self) -> &'a mut Reflector {
+        &mut self.reflector_
+    }
+}
+
+impl DOMException {
+    // http://dom.spec.whatwg.org/#dom-domexception-code
+    pub fn Code(&self) -> u16 {
+        match self.code {
+            // http://dom.spec.whatwg.org/#concept-throw
+            EncodingError => 0,
+            _ => self.code as u16
+        }
+    }
+
+    // http://dom.spec.whatwg.org/#error-names-0
+    pub fn Name(&self) -> DOMString {
+        self.code.to_str()
+    }
+
+    // http://dom.spec.whatwg.org/#error-names-0
+    pub fn Message(&self) -> DOMString {
+        match self.code {
+            IndexSizeError => ~"The index is not in the allowed range.",
+            HierarchyRequestError => ~"The operation would yield an incorrect node tree.",
+            WrongDocumentError => ~"The object is in the wrong document.",
+            InvalidCharacterError => ~"The string contains invalid characters.",
+            NoModificationAllowedError => ~"The object can not be modified.",
+            NotFoundError => ~"The object can not be found here.",
+            NotSupportedError => ~"The operation is not supported.",
+            InvalidStateError => ~"The object is in an invalid state.",
+            SyntaxError => ~"The string did not match the expected pattern.",
+            InvalidModificationError => ~"The object can not be modified in this way.",
+            NamespaceError => ~"The operation is not allowed by Namespaces in XML.",
+            InvalidAccessError => ~"The object does not support the operation or argument.",
+            SecurityError => ~"The operation is insecure.",
+            NetworkError => ~"A network error occurred.",
+            AbortError => ~"The operation was aborted.",
+            URLMismatchError => ~"The given URL does not match another URL.",
+            QuotaExceededError => ~"The quota has been exceeded.",
+            TimeoutError => ~"The operation timed out.",
+            InvalidNodeTypeError => ~"The supplied node is incorrect or has an incorrect ancestor for this operation.",
+            DataCloneError => ~"The object can not be cloned.",
+            EncodingError => ~"The encoding operation (either encoded or decoding) failed."
+        }
+    }
+}

src/components/script/dom/webidls/DOMException.webidl

@@ -0,0 +1,47 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ *
+ * The origin of this IDL file is:
+ * http://dom.spec.whatwg.org/#domexception
+ */
+
+// XXXkhuey this is an 'exception', not an interface, but we don't have any
+// parser or codegen mechanisms for dealing with exceptions.
+interface DOMException {
+  const unsigned short INDEX_SIZE_ERR = 1;
+  const unsigned short DOMSTRING_SIZE_ERR = 2; // historical
+  const unsigned short HIERARCHY_REQUEST_ERR = 3;
+  const unsigned short WRONG_DOCUMENT_ERR = 4;
+  const unsigned short INVALID_CHARACTER_ERR = 5;
+  const unsigned short NO_DATA_ALLOWED_ERR = 6; // historical
+  const unsigned short NO_MODIFICATION_ALLOWED_ERR = 7;
+  const unsigned short NOT_FOUND_ERR = 8;
+  const unsigned short NOT_SUPPORTED_ERR = 9;
+  const unsigned short INUSE_ATTRIBUTE_ERR = 10; // historical
+  const unsigned short INVALID_STATE_ERR = 11;
+  const unsigned short SYNTAX_ERR = 12;
+  const unsigned short INVALID_MODIFICATION_ERR = 13;
+  const unsigned short NAMESPACE_ERR = 14;
+  const unsigned short INVALID_ACCESS_ERR = 15;
+  const unsigned short VALIDATION_ERR = 16; // historical
+  const unsigned short TYPE_MISMATCH_ERR = 17; // historical; use JavaScript's TypeError instead
+  const unsigned short SECURITY_ERR = 18;
+  const unsigned short NETWORK_ERR = 19;
+  const unsigned short ABORT_ERR = 20;
+  const unsigned short URL_MISMATCH_ERR = 21;
+  const unsigned short QUOTA_EXCEEDED_ERR = 22;
+  const unsigned short TIMEOUT_ERR = 23;
+  const unsigned short INVALID_NODE_TYPE_ERR = 24;
+  const unsigned short DATA_CLONE_ERR = 25;
+
+  // Error code as u16
+  readonly attribute unsigned short code;
+
+  // The name of the error code (ie, a string repr of |code|)
+  readonly attribute DOMString name;
+
+  // A custom message set by the thrower.
+  readonly attribute DOMString message;
+};

src/components/script/script.rc

@@ -55,6 +55,7 @@ pub mod dom {
     pub mod document;
     pub mod documentfragment;
     pub mod documenttype;
+    pub mod domexception;
     pub mod domimplementation;
     pub mod domparser;
     pub mod element;