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			138 lines
		
	
	
	
		
			5.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			138 lines
		
	
	
	
		
			5.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/Diagnostics.h>
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| #include <AK/FlyString.h>
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| #include <LibWeb/Bindings/PlatformObject.h>
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| #include <LibWeb/HTML/Scripting/Environments.h>
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| 
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| namespace Web::WebIDL {
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| 
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| // The following have a legacy code value but *don't* produce it as
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| // DOMException.code value when used as name (and are therefore omitted here):
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| // - DOMStringSizeError (DOMSTRING_SIZE_ERR = 2)
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| // - NoDataAllowedError (NO_DATA_ALLOWED_ERR = 6)
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| // - ValidationError (VALIDATION_ERR = 16)
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| #define ENUMERATE_DOM_EXCEPTION_LEGACY_CODES   \
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|     __ENUMERATE(IndexSizeError, 1)             \
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|     __ENUMERATE(HierarchyRequestError, 3)      \
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|     __ENUMERATE(WrongDocumentError, 4)         \
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|     __ENUMERATE(InvalidCharacterError, 5)      \
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|     __ENUMERATE(NoModificationAllowedError, 7) \
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|     __ENUMERATE(NotFoundError, 8)              \
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|     __ENUMERATE(NotSupportedError, 9)          \
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|     __ENUMERATE(InUseAttributeError, 10)       \
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|     __ENUMERATE(InvalidStateError, 11)         \
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|     __ENUMERATE(SyntaxError, 12)               \
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|     __ENUMERATE(InvalidModificationError, 13)  \
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|     __ENUMERATE(NamespaceError, 14)            \
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|     __ENUMERATE(InvalidAccessError, 15)        \
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|     __ENUMERATE(TypeMismatchError, 17)         \
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|     __ENUMERATE(SecurityError, 18)             \
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|     __ENUMERATE(NetworkError, 19)              \
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|     __ENUMERATE(AbortError, 20)                \
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|     __ENUMERATE(URLMismatchError, 21)          \
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|     __ENUMERATE(QuotaExceededError, 22)        \
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|     __ENUMERATE(TimeoutError, 23)              \
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|     __ENUMERATE(InvalidNodeTypeError, 24)      \
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|     __ENUMERATE(DataCloneError, 25)
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| 
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| // https://webidl.spec.whatwg.org/#idl-DOMException-error-names
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| // Same order as in the spec document, also matches the legacy codes order above.
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| #define ENUMERATE_DOM_EXCEPTION_ERROR_NAMES          \
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|     __ENUMERATE(IndexSizeError) /* Deprecated */     \
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|     __ENUMERATE(HierarchyRequestError)               \
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|     __ENUMERATE(WrongDocumentError)                  \
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|     __ENUMERATE(InvalidCharacterError)               \
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|     __ENUMERATE(NoModificationAllowedError)          \
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|     __ENUMERATE(NotFoundError)                       \
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|     __ENUMERATE(NotSupportedError)                   \
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|     __ENUMERATE(InUseAttributeError)                 \
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|     __ENUMERATE(InvalidStateError)                   \
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|     __ENUMERATE(SyntaxError)                         \
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|     __ENUMERATE(InvalidModificationError)            \
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|     __ENUMERATE(NamespaceError)                      \
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|     __ENUMERATE(InvalidAccessError) /* Deprecated */ \
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|     __ENUMERATE(TypeMismatchError)  /* Deprecated */ \
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|     __ENUMERATE(SecurityError)                       \
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|     __ENUMERATE(NetworkError)                        \
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|     __ENUMERATE(AbortError)                          \
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|     __ENUMERATE(URLMismatchError)                    \
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|     __ENUMERATE(QuotaExceededError)                  \
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|     __ENUMERATE(TimeoutError)                        \
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|     __ENUMERATE(InvalidNodeTypeError)                \
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|     __ENUMERATE(DataCloneError)                      \
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|     __ENUMERATE(EncodingError)                       \
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|     __ENUMERATE(NotReadableError)                    \
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|     __ENUMERATE(UnknownError)                        \
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|     __ENUMERATE(ConstraintError)                     \
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|     __ENUMERATE(DataError)                           \
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|     __ENUMERATE(TransactionInactiveError)            \
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|     __ENUMERATE(ReadOnlyError)                       \
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|     __ENUMERATE(VersionError)                        \
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|     __ENUMERATE(OperationError)                      \
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|     __ENUMERATE(NotAllowedError)
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| 
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| static u16 get_legacy_code_for_name(FlyString const& name)
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| {
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| #define __ENUMERATE(ErrorName, code) \
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|     if (name == #ErrorName)          \
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|         return code;
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|     ENUMERATE_DOM_EXCEPTION_LEGACY_CODES
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| #undef __ENUMERATE
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|     return 0;
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| }
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| 
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| // https://webidl.spec.whatwg.org/#idl-DOMException
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| class DOMException final : public Bindings::PlatformObject {
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|     WEB_PLATFORM_OBJECT(DOMException, Bindings::PlatformObject);
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| 
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| public:
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|     static JS::NonnullGCPtr<DOMException> create(JS::Realm& realm, FlyString const& name, FlyString const& message);
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| 
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|     // JS constructor has message first, name second
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|     // FIXME: This is a completely pointless footgun, let's use the same order for both factories.
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|     static JS::NonnullGCPtr<DOMException> construct_impl(JS::Realm& realm, FlyString const& message, FlyString const& name);
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| 
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|     virtual ~DOMException() override;
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| 
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|     FlyString const& name() const { return m_name; }
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|     FlyString const& message() const { return m_message; }
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|     u16 code() const { return get_legacy_code_for_name(m_name); }
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| 
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| protected:
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|     DOMException(JS::Realm&, FlyString const& name, FlyString const& message);
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| 
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|     virtual void initialize(JS::Realm&) override;
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| 
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| private:
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|     FlyString m_name;
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|     FlyString m_message;
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| };
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| 
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| #define __ENUMERATE(ErrorName)                                                                   \
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|     class ErrorName final {                                                                      \
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|     public:                                                                                      \
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|         static JS::NonnullGCPtr<DOMException> create(JS::Realm& realm, FlyString const& message) \
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|         {                                                                                        \
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|             return DOMException::create(realm, #ErrorName##_fly_string, message);                \
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|         }                                                                                        \
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|     };
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| ENUMERATE_DOM_EXCEPTION_ERROR_NAMES
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| #undef __ENUMERATE
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| 
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| }
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| 
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| namespace Web {
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| 
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| inline JS::Completion throw_completion(JS::NonnullGCPtr<WebIDL::DOMException> exception)
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| {
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|     return JS::throw_completion(JS::Value(static_cast<JS::Object*>(exception.ptr())));
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| }
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| 
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| }
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