diff --git a/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.cpp index 5a35687dcf..8f4fed8b60 100644 --- a/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.cpp +++ b/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.cpp @@ -5,7 +5,13 @@ * SPDX-License-Identifier: BSD-2-Clause */ +#include +#include +#include #include +#include +#include +#include namespace Web::HTML { @@ -49,6 +55,99 @@ void HTMLOptionElement::set_selected(bool selected) ask_for_a_reset(); } +// https://html.spec.whatwg.org/multipage/form-elements.html#dom-option-value +String HTMLOptionElement::value() const +{ + // The value of an option element is the value of the value content attribute, if there is one. + if (auto value_attr = get_attribute(HTML::AttributeNames::value); !value_attr.is_null()) + return value_attr; + + // ...or, if there is not, the value of the element's text IDL attribute. + return text(); +} + +// https://html.spec.whatwg.org/multipage/form-elements.html#dom-option-value +void HTMLOptionElement::set_value(String value) +{ + set_attribute(HTML::AttributeNames::value, value); +} + +// https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace +static String strip_and_collapse_whitespace(StringView string) +{ + // Replace any sequence of one or more consecutive code points that are ASCII whitespace in the string with a single U+0020 SPACE code point. + StringBuilder builder; + for (size_t i = 0; i < string.length(); ++i) { + if (isspace(string[i])) { + builder.append(' '); + while (i < string.length()) { + if (isspace(string[i])) { + ++i; + continue; + } + builder.append(string[i]); + break; + } + continue; + } + builder.append(string[i]); + } + + // ...and then remove any leading and trailing ASCII whitespace from that string. + return builder.to_string().trim_whitespace(); +} + +static void concatenate_descendants_text_content(DOM::Node const* node, StringBuilder& builder) +{ + // FIXME: SVGScriptElement should also be skipped, but it doesn't exist yet. + if (is(node)) + return; + if (is(node)) + builder.append(verify_cast(node)->data()); + node->for_each_child([&](auto const& node) { + concatenate_descendants_text_content(&node, builder); + }); +} + +// https://html.spec.whatwg.org/multipage/form-elements.html#dom-option-text +String HTMLOptionElement::text() const +{ + StringBuilder builder; + + // Concatenation of data of all the Text node descendants of the option element, in tree order, + // excluding any that are descendants of descendants of the option element that are themselves + // script or SVG script elements. + for_each_child([&](auto const& node) { + concatenate_descendants_text_content(&node, builder); + }); + + // Return the result of stripping and collapsing ASCII whitespace from the above concatenation. + return strip_and_collapse_whitespace(builder.to_string()); +} + +// https://html.spec.whatwg.org/multipage/form-elements.html#dom-option-text +void HTMLOptionElement::set_text(String text) +{ + string_replace_all(text); +} + +// https://html.spec.whatwg.org/multipage/form-elements.html#concept-option-index +int HTMLOptionElement::index() const +{ + // An option element's index is the number of option elements that are in the same list of options but that come before it in tree order. + if (auto select_element = first_ancestor_of_type()) { + int index = 0; + for (auto const& option_element : select_element->list_of_options()) { + if (&option_element == this) + return index; + ++index; + } + } + + // If the option element is not in a list of options, then the option element's index is zero. + return 0; +} + // https://html.spec.whatwg.org/multipage/form-elements.html#ask-for-a-reset void HTMLOptionElement::ask_for_a_reset() { diff --git a/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.h b/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.h index d8ce1708f7..8b83003ced 100644 --- a/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.h +++ b/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.h @@ -21,6 +21,14 @@ public: bool selected() const { return m_selected; } void set_selected(bool); + String value() const; + void set_value(String); + + String text() const; + void set_text(String); + + int index() const; + private: friend class Bindings::OptionConstructor; friend class HTMLSelectElement; diff --git a/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.idl b/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.idl index edc12f5111..5a2a1f5395 100644 --- a/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.idl +++ b/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.idl @@ -4,7 +4,10 @@ interface HTMLOptionElement : HTMLElement { [Reflect] attribute boolean disabled; [Reflect=selected] attribute boolean defaultSelected; - attribute boolean selected; + [CEReactions] attribute DOMString value; + + [CEReactions] attribute DOMString text; + readonly attribute long index; };