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LibWeb: Add DOM::DOMException class and bindings

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Linus Groh 2021-02-19 19:04:41 +01:00 • committed by Andreas Kling
parent cc0f5917d3
commit ada71dc71b
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Userland/Libraries/LibWeb/DOM/DOMException.h Normal file
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/*
* Copyright (c) 2021, Linus Groh <mail@linusgroh.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/FlyString.h>
#include <AK/NonnullRefPtr.h>
#include <AK/RefCounted.h>
#include <LibWeb/Bindings/WindowObject.h>
#include <LibWeb/Bindings/Wrappable.h>
namespace Web::DOM {
// The following have a legacy code value but *don't* produce it as
// DOMException.code value when used as name (and are therefore omitted here):
// - DOMStringSizeError (DOMSTRING_SIZE_ERR = 2)
// - NoDataAllowedError (NO_DATA_ALLOWED_ERR = 6)
// - ValidationError (VALIDATION_ERR = 16)
#define ENUMERATE_DOM_EXCEPTION_LEGACY_CODES \
__ENUMERATE(IndexSizeError, 1) \
__ENUMERATE(HierarchyRequestError, 3) \
__ENUMERATE(WrongDocumentError, 4) \
__ENUMERATE(InvalidCharacterError, 5) \
__ENUMERATE(NoModificationAllowedError, 7) \
__ENUMERATE(NotFoundError, 8) \
__ENUMERATE(NotSupportedError, 9) \
__ENUMERATE(InUseAttributeError, 10) \
__ENUMERATE(InvalidStateError, 11) \
__ENUMERATE(SyntaxError, 12) \
__ENUMERATE(InvalidModificationError, 13) \
__ENUMERATE(NamespaceError, 14) \
__ENUMERATE(InvalidAccessError, 15) \
__ENUMERATE(TypeMismatchError, 17) \
__ENUMERATE(SecurityError, 18) \
__ENUMERATE(NetworkError, 19) \
__ENUMERATE(AbortError, 20) \
__ENUMERATE(URLMismatchError, 21) \
__ENUMERATE(QuotaExceededError, 22) \
__ENUMERATE(TimeoutError, 23) \
__ENUMERATE(InvalidNodeTypeError, 24) \
__ENUMERATE(DataCloneError, 25)
// https://heycam.github.io/webidl/#idl-DOMException-error-names
// Same order as in the spec document, also matches the legacy codes order above.
#define ENUMERATE_DOM_EXCEPTION_ERROR_NAMES \
__ENUMERATE(IndexSizeError) /* Deprecated */ \
__ENUMERATE(HierarchyRequestError) \
__ENUMERATE(WrongDocumentError) \
__ENUMERATE(InvalidCharacterError) \
__ENUMERATE(NoModificationAllowedError) \
__ENUMERATE(NotFoundError) \
__ENUMERATE(NotSupportedError) \
__ENUMERATE(InUseAttributeError) \
__ENUMERATE(InvalidStateError) \
__ENUMERATE(SyntaxError) \
__ENUMERATE(InvalidModificationError) \
__ENUMERATE(NamespaceError) \
__ENUMERATE(InvalidAccessError) /* Deprecated */ \
__ENUMERATE(TypeMismatchError) /* Deprecated */ \
__ENUMERATE(SecurityError) \
__ENUMERATE(NetworkError) \
__ENUMERATE(AbortError) \
__ENUMERATE(URLMismatchError) \
__ENUMERATE(QuotaExceededError) \
__ENUMERATE(TimeoutError) \
__ENUMERATE(InvalidNodeTypeError) \
__ENUMERATE(DataCloneError) \
__ENUMERATE(EncodingError) \
__ENUMERATE(NotReadableError) \
__ENUMERATE(UnknownError) \
__ENUMERATE(ConstraintError) \
__ENUMERATE(DataError) \
__ENUMERATE(TransactionInactiveError) \
__ENUMERATE(ReadOnlyError) \
__ENUMERATE(VersionError) \
__ENUMERATE(OperationError) \
__ENUMERATE(NotAllowedError)
static u16 get_legacy_code_for_name(const FlyString& name)
{
#define __ENUMERATE(ErrorName, code) \
if (name == #ErrorName) \
return code;
ENUMERATE_DOM_EXCEPTION_LEGACY_CODES
#undef __ENUMERATE
return 0;
}
// https://heycam.github.io/webidl/#idl-DOMException
class DOMException final
: public RefCounted<DOMException>
, public Bindings::Wrappable {
public:
using WrapperType = Bindings::DOMExceptionWrapper;
static NonnullRefPtr<DOMException> create(const FlyString& name, const FlyString& message)
{
return adopt(*new DOMException(name, message));
}
// JS constructor has message first, name second
static NonnullRefPtr<DOMException> create_with_global_object(Bindings::WindowObject&, const FlyString& message, const FlyString& name)
{
return adopt(*new DOMException(name, message));
}
const FlyString& name() const { return m_name; }
const FlyString& message() const { return m_message; }
u16 code() const { return get_legacy_code_for_name(m_name); }
protected:
DOMException(const FlyString& name, const FlyString& message)
: m_name(name)
, m_message(message)
{
}
private:
FlyString m_name;
FlyString m_message;
};
#define __ENUMERATE(ErrorName) \
class ErrorName final { \
public: \
static NonnullRefPtr<DOMException> create(const FlyString& message) \
{ \
return DOMException::create(#ErrorName, message); \
} \
};
ENUMERATE_DOM_EXCEPTION_ERROR_NAMES
#undef __ENUMERATE
}