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6b75078503
This should make it somewhat easier to experiment with alternative representations in the future. To reduce churn, this commit leaves the String field public, though. Also, this will allow us to use the default String type to represent the IDL USVString type, which explicitly forbids unpaired surrogates, ans as such is a better match to the Rust String type.
112 lines
5.4 KiB
Rust
112 lines
5.4 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::bindings::codegen::Bindings::DOMExceptionBinding;
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use dom::bindings::codegen::Bindings::DOMExceptionBinding::DOMExceptionConstants;
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use dom::bindings::codegen::Bindings::DOMExceptionBinding::DOMExceptionMethods;
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use dom::bindings::global::GlobalRef;
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use dom::bindings::js::Root;
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use dom::bindings::reflector::{Reflector, reflect_dom_object};
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use std::borrow::ToOwned;
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use util::str::DOMString;
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#[repr(u16)]
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#[derive(JSTraceable, Copy, Clone, Debug, HeapSizeOf)]
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pub enum DOMErrorName {
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IndexSizeError = DOMExceptionConstants::INDEX_SIZE_ERR,
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HierarchyRequestError = DOMExceptionConstants::HIERARCHY_REQUEST_ERR,
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WrongDocumentError = DOMExceptionConstants::WRONG_DOCUMENT_ERR,
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InvalidCharacterError = DOMExceptionConstants::INVALID_CHARACTER_ERR,
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NoModificationAllowedError = DOMExceptionConstants::NO_MODIFICATION_ALLOWED_ERR,
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NotFoundError = DOMExceptionConstants::NOT_FOUND_ERR,
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NotSupportedError = DOMExceptionConstants::NOT_SUPPORTED_ERR,
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InUseAttributeError = DOMExceptionConstants::INUSE_ATTRIBUTE_ERR,
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InvalidStateError = DOMExceptionConstants::INVALID_STATE_ERR,
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SyntaxError = DOMExceptionConstants::SYNTAX_ERR,
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InvalidModificationError = DOMExceptionConstants::INVALID_MODIFICATION_ERR,
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NamespaceError = DOMExceptionConstants::NAMESPACE_ERR,
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InvalidAccessError = DOMExceptionConstants::INVALID_ACCESS_ERR,
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SecurityError = DOMExceptionConstants::SECURITY_ERR,
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NetworkError = DOMExceptionConstants::NETWORK_ERR,
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AbortError = DOMExceptionConstants::ABORT_ERR,
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URLMismatchError = DOMExceptionConstants::URL_MISMATCH_ERR,
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TypeMismatchError = DOMExceptionConstants::TYPE_MISMATCH_ERR,
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QuotaExceededError = DOMExceptionConstants::QUOTA_EXCEEDED_ERR,
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TimeoutError = DOMExceptionConstants::TIMEOUT_ERR,
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InvalidNodeTypeError = DOMExceptionConstants::INVALID_NODE_TYPE_ERR,
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DataCloneError = DOMExceptionConstants::DATA_CLONE_ERR,
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EncodingError
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}
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#[dom_struct]
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pub struct DOMException {
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reflector_: Reflector,
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code: DOMErrorName,
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}
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impl DOMException {
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fn new_inherited(code: DOMErrorName) -> DOMException {
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DOMException {
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reflector_: Reflector::new(),
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code: code,
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}
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}
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pub fn new(global: GlobalRef, code: DOMErrorName) -> Root<DOMException> {
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reflect_dom_object(box DOMException::new_inherited(code), global, DOMExceptionBinding::Wrap)
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}
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}
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impl DOMExceptionMethods for DOMException {
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// https://heycam.github.io/webidl/#dfn-DOMException
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fn Code(&self) -> u16 {
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match self.code {
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// https://heycam.github.io/webidl/#dfn-throw
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DOMErrorName::EncodingError => 0,
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code => code as u16
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}
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}
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// https://heycam.github.io/webidl/#idl-DOMException-error-names
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fn Name(&self) -> DOMString {
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DOMString(format!("{:?}", self.code))
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}
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// https://heycam.github.io/webidl/#error-names
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fn Message(&self) -> DOMString {
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let message = match self.code {
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DOMErrorName::IndexSizeError => "The index is not in the allowed range.",
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DOMErrorName::HierarchyRequestError => "The operation would yield an incorrect node tree.",
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DOMErrorName::WrongDocumentError => "The object is in the wrong document.",
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DOMErrorName::InvalidCharacterError => "The string contains invalid characters.",
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DOMErrorName::NoModificationAllowedError => "The object can not be modified.",
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DOMErrorName::NotFoundError => "The object can not be found here.",
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DOMErrorName::NotSupportedError => "The operation is not supported.",
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DOMErrorName::InUseAttributeError => "The attribute already in use.",
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DOMErrorName::InvalidStateError => "The object is in an invalid state.",
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DOMErrorName::SyntaxError => "The string did not match the expected pattern.",
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DOMErrorName::InvalidModificationError => "The object can not be modified in this way.",
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DOMErrorName::NamespaceError => "The operation is not allowed by Namespaces in XML.",
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DOMErrorName::InvalidAccessError => "The object does not support the operation or argument.",
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DOMErrorName::SecurityError => "The operation is insecure.",
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DOMErrorName::NetworkError => "A network error occurred.",
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DOMErrorName::AbortError => "The operation was aborted.",
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DOMErrorName::URLMismatchError => "The given URL does not match another URL.",
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DOMErrorName::TypeMismatchError => "The given type does not match any expected type.",
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DOMErrorName::QuotaExceededError => "The quota has been exceeded.",
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DOMErrorName::TimeoutError => "The operation timed out.",
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DOMErrorName::InvalidNodeTypeError =>
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"The supplied node is incorrect or has an incorrect ancestor for this operation.",
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DOMErrorName::DataCloneError => "The object can not be cloned.",
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DOMErrorName::EncodingError => "The encoding operation (either encoded or decoding) failed."
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};
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DOMString(message.to_owned())
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}
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// https://people.mozilla.org/~jorendorff/es6-draft.html#sec-error.prototype.tostring
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fn Stringifier(&self) -> DOMString {
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DOMString(format!("{}: {}", self.Name(), self.Message()))
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}
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}
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