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6be9f0757f
We don't support these yet, but this avoids having to comment out IDL definitions that are exposed to them.
72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
/*
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* Copyright (c) 2022, Andrew Kaster <akaster@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 <LibIDL/ExposedTo.h>
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static ByteString s_error_string;
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namespace IDL {
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ErrorOr<ExposedTo> parse_exposure_set(StringView interface_name, StringView exposed)
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{
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// NOTE: This roughly follows the definitions of https://webidl.spec.whatwg.org/#Exposed
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// It does not remotely interpret all the abstract operations therein though.
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auto exposed_trimmed = exposed.trim_whitespace();
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if (exposed_trimmed == "*"sv)
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return ExposedTo::All;
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if (exposed_trimmed == "Nobody"sv)
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return ExposedTo::Nobody;
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auto exposed_from_string = [](auto& string) -> Optional<ExposedTo> {
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if (string == "Window"sv)
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return ExposedTo::Window;
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if (string == "Worker"sv)
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return ExposedTo::AllWorkers;
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if (string == "DedicatedWorker"sv)
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return ExposedTo::DedicatedWorker;
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if (string == "SharedWorker"sv)
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return ExposedTo::SharedWorker;
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if (string == "ServiceWorker"sv)
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return ExposedTo::ServiceWorker;
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if (string == "AudioWorklet"sv)
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return ExposedTo::AudioWorklet;
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if (string == "LayoutWorklet"sv)
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return ExposedTo::LayoutWorklet;
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if (string == "PaintWorklet"sv)
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return ExposedTo::PaintWorklet;
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if (string == "Worklet"sv)
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return ExposedTo::Worklet;
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if (string == "ShadowRealm"sv)
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return ExposedTo::ShadowRealm;
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return {};
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};
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if (auto parsed_exposed = exposed_from_string(exposed_trimmed); parsed_exposed.has_value())
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return parsed_exposed.value();
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if (exposed_trimmed[0] == '(') {
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ExposedTo whom = ExposedTo::Nobody;
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for (StringView candidate : exposed_trimmed.substring_view(1, exposed_trimmed.length() - 1).split_view(',')) {
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candidate = candidate.trim_whitespace();
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if (auto parsed_exposed = exposed_from_string(candidate); parsed_exposed.has_value()) {
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whom |= parsed_exposed.value();
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} else {
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s_error_string = ByteString::formatted("Unknown Exposed attribute candidate {} in {} in {}", candidate, exposed_trimmed, interface_name);
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return Error::from_string_view(s_error_string.view());
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}
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}
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if (whom == ExposedTo::Nobody) {
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s_error_string = ByteString::formatted("Unknown Exposed attribute {} in {}", exposed_trimmed, interface_name);
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return Error::from_string_view(s_error_string.view());
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}
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return whom;
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}
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s_error_string = ByteString::formatted("Unknown Exposed attribute {} in {}", exposed_trimmed, interface_name);
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return Error::from_string_view(s_error_string.view());
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}
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}
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