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Our floating point number parser was based on the fast_float library: https://github.com/fastfloat/fast_float However, our implementation only supports 8-bit characters. To support UTF-16, we will need to be able to convert char16_t-based strings to numbers as well. This works out-of-the-box with fast_float. We can also use fast_float for integer parsing.
74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/HTMLTableColElementPrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/ComputedProperties.h>
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#include <LibWeb/HTML/HTMLTableColElement.h>
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#include <LibWeb/HTML/Numbers.h>
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#include <LibWeb/HTML/Parser/HTMLParser.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(HTMLTableColElement);
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HTMLTableColElement::HTMLTableColElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: HTMLElement(document, move(qualified_name))
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{
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}
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HTMLTableColElement::~HTMLTableColElement() = default;
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void HTMLTableColElement::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLTableColElement);
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Base::initialize(realm);
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}
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// https://html.spec.whatwg.org/multipage/tables.html#dom-colgroup-span
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WebIDL::UnsignedLong HTMLTableColElement::span() const
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{
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// The span IDL attribute must reflect the content attribute of the same name. It is clamped to the range [1, 1000], and its default value is 1.
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if (auto span_string = get_attribute(HTML::AttributeNames::span); span_string.has_value()) {
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if (auto span_digits = parse_non_negative_integer_digits(*span_string); span_digits.has_value()) {
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auto span = span_digits->to_number<i64>();
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// NOTE: If span has no value at this point, the value must be larger than NumericLimits<i64>::max(), so return the maximum value of 1000.
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if (!span.has_value())
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return 1000;
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return clamp(*span, 1, 1000);
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}
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}
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return 1;
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}
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WebIDL::ExceptionOr<void> HTMLTableColElement::set_span(unsigned int value)
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{
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if (value > 2147483647)
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value = 1;
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return set_attribute(HTML::AttributeNames::span, String::number(value));
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}
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bool HTMLTableColElement::is_presentational_hint(FlyString const& name) const
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{
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if (Base::is_presentational_hint(name))
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return true;
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return name == HTML::AttributeNames::width;
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}
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void HTMLTableColElement::apply_presentational_hints(GC::Ref<CSS::CascadedProperties> cascaded_properties) const
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{
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for_each_attribute([&](auto& name, auto& value) {
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// https://html.spec.whatwg.org/multipage/rendering.html#tables-2:maps-to-the-dimension-property-2
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if (name == HTML::AttributeNames::width) {
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if (auto parsed_value = parse_dimension_value(value)) {
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::Width, *parsed_value);
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}
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}
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});
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}
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}
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