78155a6668
Now, exceptions can be thrown with interpreter.throw_exception<T>(ErrorType:TYPE, "format", "args", "here").
151 lines
5 KiB
C++
151 lines
5 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/FlyString.h>
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#include <AK/Function.h>
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#include <LibJS/Interpreter.h>
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#include <LibJS/Runtime/Error.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/PrimitiveString.h>
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#include <LibJS/Runtime/Value.h>
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#include <LibWeb/Bindings/ElementWrapper.h>
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#include <LibWeb/DOM/AttributeNames.h>
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#include <LibWeb/DOM/Element.h>
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namespace Web {
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namespace Bindings {
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ElementWrapper::ElementWrapper(Element& element)
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: NodeWrapper(element)
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{
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define_native_property("innerHTML", inner_html_getter, inner_html_setter);
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define_native_property("id", id_getter, id_setter);
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u8 attributes = JS::Attribute::Configurable | JS::Attribute::Enumerable | JS::Attribute::Writable;
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define_native_function("getAttribute", get_attribute, 1, attributes);
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define_native_function("setAttribute", set_attribute, 2, attributes);
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}
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ElementWrapper::~ElementWrapper()
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{
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}
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Element& ElementWrapper::node()
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{
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return static_cast<Element&>(NodeWrapper::node());
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}
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const Element& ElementWrapper::node() const
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{
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return static_cast<const Element&>(NodeWrapper::node());
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}
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static Element* impl_from(JS::Interpreter& interpreter)
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{
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auto* this_object = interpreter.this_value(interpreter.global_object()).to_object(interpreter);
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if (!this_object)
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return nullptr;
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// FIXME: Verify that it's an ElementWrapper somehow!
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return &static_cast<ElementWrapper*>(this_object)->node();
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}
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JS::Value ElementWrapper::get_attribute(JS::Interpreter& interpreter)
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{
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auto* impl = impl_from(interpreter);
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if (!impl)
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return {};
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if (interpreter.argument_count() < 1)
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return interpreter.throw_exception<JS::TypeError>(JS::ErrorType::BadArgCountOne, "getAttribute");
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auto attribute_name = interpreter.argument(0).to_string(interpreter);
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if (interpreter.exception())
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return {};
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auto attribute_value = impl->attribute(attribute_name);
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if (attribute_value.is_null())
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return JS::js_null();
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return JS::js_string(interpreter, attribute_value);
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}
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JS::Value ElementWrapper::set_attribute(JS::Interpreter& interpreter)
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{
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auto* impl = impl_from(interpreter);
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if (!impl)
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return {};
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if (interpreter.argument_count() < 2)
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return interpreter.throw_exception<JS::TypeError>(JS::ErrorType::BadArgCountMany, "setAttribute", "two");
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auto attribute_name = interpreter.argument(0).to_string(interpreter);
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if (interpreter.exception())
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return {};
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auto attribute_value = interpreter.argument(1).to_string(interpreter);
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if (interpreter.exception())
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return {};
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impl->set_attribute(attribute_name, attribute_value);
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return JS::js_undefined();
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}
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JS::Value ElementWrapper::inner_html_getter(JS::Interpreter& interpreter)
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{
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if (auto* impl = impl_from(interpreter))
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return JS::js_string(interpreter, impl->inner_html());
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return {};
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}
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void ElementWrapper::inner_html_setter(JS::Interpreter& interpreter, JS::Value value)
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{
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if (auto* impl = impl_from(interpreter)) {
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auto string = value.to_string(interpreter);
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if (interpreter.exception())
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return;
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impl->set_inner_html(string);
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}
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}
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JS::Value ElementWrapper::id_getter(JS::Interpreter& interpreter)
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{
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if (auto* impl = impl_from(interpreter))
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return JS::js_string(interpreter, impl->attribute(HTML::AttributeNames::id));
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return {};
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}
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void ElementWrapper::id_setter(JS::Interpreter& interpreter, JS::Value value)
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{
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if (auto* impl = impl_from(interpreter)) {
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auto string = value.to_string(interpreter);
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if (interpreter.exception())
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return;
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impl->set_attribute(HTML::AttributeNames::id, string);
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}
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}
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}
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}
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