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https://github.com/RGBCube/serenity
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db2ba5f1d9
These are currently initialized in a [[gnu::constructor]], which has a weird initialization order. These constructors are invoked before main() and, incidentally, before any user-defined default constructors of the static strings they are initializing. This will become an issue when these strings are ported to FlyString, which has a user-defined default constructor. In that scenario, when the FlyString constructor is executed after the [[gnu::constructor]], the strings will be "reset" to the empty string. Instead of relying on a non-standard compiler extension here, let's just initialize these strings explicitly during main-thread VM creation, as this now happens in WebContent's main().
76 lines
2 KiB
C++
76 lines
2 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/HTML/AttributeNames.h>
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namespace Web {
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namespace HTML {
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namespace AttributeNames {
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#define __ENUMERATE_HTML_ATTRIBUTE(name) DeprecatedFlyString name;
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ENUMERATE_HTML_ATTRIBUTES
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#undef __ENUMERATE_HTML_ATTRIBUTE
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ErrorOr<void> initialize_strings()
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{
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static bool s_initialized = false;
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VERIFY(!s_initialized);
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#define __ENUMERATE_HTML_ATTRIBUTE(name) \
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name = #name;
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ENUMERATE_HTML_ATTRIBUTES
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#undef __ENUMERATE_HTML_ATTRIBUTE
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// NOTE: Special cases for C++ keywords.
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class_ = "class";
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for_ = "for";
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default_ = "default";
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char_ = "char";
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// NOTE: Special cases for attributes with dashes in them.
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accept_charset = "accept-charset";
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http_equiv = "http-equiv";
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s_initialized = true;
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return {};
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}
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}
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// https://html.spec.whatwg.org/#boolean-attribute
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bool is_boolean_attribute(DeprecatedFlyString const& attribute)
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{
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// NOTE: This is the list of attributes from https://html.spec.whatwg.org/#attributes-3
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// with a Value column value of "Boolean attribute".
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return attribute.is_one_of(
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AttributeNames::allowfullscreen,
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AttributeNames::async,
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AttributeNames::autofocus,
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AttributeNames::autoplay,
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AttributeNames::checked,
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AttributeNames::controls,
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AttributeNames::default_,
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AttributeNames::defer,
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AttributeNames::disabled,
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AttributeNames::formnovalidate,
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AttributeNames::inert,
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AttributeNames::ismap,
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AttributeNames::itemscope,
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AttributeNames::loop,
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AttributeNames::multiple,
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AttributeNames::muted,
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AttributeNames::nomodule,
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AttributeNames::novalidate,
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AttributeNames::open,
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AttributeNames::playsinline,
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AttributeNames::readonly,
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AttributeNames::required,
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AttributeNames::reversed,
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AttributeNames::selected);
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}
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}
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}
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