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https://github.com/RGBCube/serenity
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f3db548a3d
DeprecatedFlyString relies heavily on DeprecatedString's StringImpl, so let's rename it to A) match the name of DeprecatedString, B) write a new FlyString class that is tied to String.
61 lines
2.4 KiB
C++
61 lines
2.4 KiB
C++
/*
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* Copyright (c) 2022, Jonah Shafran <jonahshafran@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/DOM/ARIAMixin.h>
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#include <LibWeb/DOM/ARIARoleNames.h>
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#include <LibWeb/Infra/CharacterTypes.h>
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namespace Web::DOM {
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// https://www.w3.org/TR/wai-aria-1.2/#introroles
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DeprecatedFlyString ARIAMixin::role_or_default() const
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{
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// 1. Use the rules of the host language to detect that an element has a role attribute and to identify the attribute value string for it.
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auto role_string = role();
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// 2. Separate the attribute value string for that attribute into a sequence of whitespace-free substrings by separating on whitespace.
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auto role_list = role_string.split_view(Infra::is_ascii_whitespace);
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// 3. Compare the substrings to all the names of the non-abstract WAI-ARIA roles. Case-sensitivity of the comparison inherits from the case-sensitivity of the host language.
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for (auto const& role : role_list) {
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// 4. Use the first such substring in textual order that matches the name of a non-abstract WAI-ARIA role.
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if (ARIARoleNames::is_non_abstract_aria_role(role))
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return role;
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}
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// https://www.w3.org/TR/wai-aria-1.2/#document-handling_author-errors_roles
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// If the role attribute contains no tokens matching the name of a non-abstract WAI-ARIA role, the user agent MUST treat the element as if no role had been provided.
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// https://www.w3.org/TR/wai-aria-1.2/#implicit_semantics
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return default_role();
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}
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// https://www.w3.org/TR/wai-aria-1.2/#global_states
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bool ARIAMixin::has_global_aria_attribute() const
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{
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return !aria_atomic().is_null()
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|| !aria_busy().is_null()
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|| !aria_controls().is_null()
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|| !aria_current().is_null()
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|| !aria_described_by().is_null()
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|| !aria_details().is_null()
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|| !aria_disabled().is_null()
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|| !aria_drop_effect().is_null()
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|| !aria_error_message().is_null()
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|| !aria_flow_to().is_null()
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|| !aria_grabbed().is_null()
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|| !aria_has_popup().is_null()
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|| !aria_hidden().is_null()
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|| !aria_invalid().is_null()
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|| !aria_key_shortcuts().is_null()
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|| !aria_label().is_null()
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|| !aria_labelled_by().is_null()
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|| !aria_live().is_null()
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|| !aria_owns().is_null()
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|| !aria_relevant().is_null()
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|| !aria_role_description().is_null();
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}
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}
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