78155a6668
Now, exceptions can be thrown with interpreter.throw_exception<T>(ErrorType:TYPE, "format", "args", "here").
129 lines
4.7 KiB
C++
129 lines
4.7 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 <LibJS/Interpreter.h>
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#include <LibJS/Runtime/Array.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/DocumentWrapper.h>
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#include <LibWeb/DOM/Document.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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DocumentWrapper::DocumentWrapper(Document& document)
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: NodeWrapper(document)
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{
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define_native_function("getElementById", get_element_by_id, 1);
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define_native_function("querySelector", query_selector, 1);
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define_native_function("querySelectorAll", query_selector_all, 1);
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}
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DocumentWrapper::~DocumentWrapper()
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{
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}
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Document& DocumentWrapper::node()
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{
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return static_cast<Document&>(NodeWrapper::node());
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}
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const Document& DocumentWrapper::node() const
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{
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return static_cast<const Document&>(NodeWrapper::node());
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}
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static Document* document_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 {};
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if (StringView("DocumentWrapper") != this_object->class_name()) {
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interpreter.throw_exception<JS::TypeError>(JS::ErrorType::NotA, "DocumentWrapper");
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return {};
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}
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return &static_cast<DocumentWrapper*>(this_object)->node();
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}
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JS::Value DocumentWrapper::get_element_by_id(JS::Interpreter& interpreter)
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{
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auto* document = document_from(interpreter);
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if (!document)
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return {};
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if (!interpreter.argument_count())
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return interpreter.throw_exception<JS::TypeError>(JS::ErrorType::BadArgCountOne, "getElementById");
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auto id = interpreter.argument(0).to_string(interpreter);
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if (interpreter.exception())
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return {};
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auto* element = document->get_element_by_id(id);
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if (!element)
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return JS::js_null();
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return wrap(interpreter.heap(), const_cast<Element&>(*element));
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}
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JS::Value DocumentWrapper::query_selector(JS::Interpreter& interpreter)
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{
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auto* document = document_from(interpreter);
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if (!document)
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return {};
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if (!interpreter.argument_count())
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return interpreter.throw_exception<JS::TypeError>(JS::ErrorType::BadArgCountOne, "querySelector");
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auto selector = interpreter.argument(0).to_string(interpreter);
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if (interpreter.exception())
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return {};
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// FIXME: Throw if selector is invalid
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auto element = document->query_selector(selector);
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if (!element)
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return JS::js_null();
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return wrap(interpreter.heap(), *element);
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}
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JS::Value DocumentWrapper::query_selector_all(JS::Interpreter& interpreter)
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{
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auto* document = document_from(interpreter);
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if (!document)
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return {};
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if (!interpreter.argument_count())
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return interpreter.throw_exception<JS::TypeError>(JS::ErrorType::BadArgCountOne, "querySelectorAll");
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auto selector = interpreter.argument(0).to_string(interpreter);
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if (interpreter.exception())
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return {};
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// FIXME: Throw if selector is invalid
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auto elements = document->query_selector_all(selector);
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// FIXME: This should be a static NodeList, not a plain JS::Array.
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auto* node_list = JS::Array::create(interpreter.global_object());
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for (auto& element : elements) {
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node_list->indexed_properties().append(wrap(interpreter.heap(), element));
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}
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return node_list;
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}
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}
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}
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