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LibWeb: Skip some redundant UTF-8 validation in CSS tokenizer
If we're just adding code points to a StringBuilder, there's no need to revalidate the result.
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parent
a88799c032
commit
8d7a1e5654
Notes:
sideshowbarker
2024-07-17 05:00:08 +09:00
Author: https://github.com/awesomekling Commit: https://github.com/SerenityOS/serenity/commit/8d7a1e5654 Pull-request: https://github.com/SerenityOS/serenity/pull/23690 Reviewed-by: https://github.com/Hendiadyoin1
@ -31,6 +31,11 @@ ErrorOr<FlyString> FlyString::from_utf8(StringView string)
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return FlyString { TRY(String::from_utf8(string)) };
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}
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FlyString FlyString::from_utf8_without_validation(ReadonlyBytes string)
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{
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return FlyString { String::from_utf8_without_validation(string) };
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}
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FlyString::FlyString(String const& string)
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{
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if (string.is_short_string()) {
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@ -23,6 +23,7 @@ public:
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FlyString() = default;
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static ErrorOr<FlyString> from_utf8(StringView);
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static FlyString from_utf8_without_validation(ReadonlyBytes);
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template<typename T>
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requires(IsOneOf<RemoveCVReference<T>, ByteString, DeprecatedFlyString, FlyString, String>)
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static ErrorOr<String> from_utf8(T&&) = delete;
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@ -161,6 +161,11 @@ String StringBuilder::to_string_without_validation() const
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return String::from_utf8_without_validation(string_view().bytes());
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}
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FlyString StringBuilder::to_fly_string_without_validation() const
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{
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return FlyString::from_utf8_without_validation(string_view().bytes());
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}
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ErrorOr<FlyString> StringBuilder::to_fly_string() const
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{
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return FlyString::from_utf8(string_view());
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@ -75,6 +75,8 @@ public:
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[[nodiscard]] String to_string_without_validation() const;
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ErrorOr<String> to_string() const;
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[[nodiscard]] FlyString to_fly_string_without_validation() const;
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ErrorOr<FlyString> to_fly_string() const;
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[[nodiscard]] ErrorOr<ByteBuffer> to_byte_buffer() const;
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@ -238,7 +238,7 @@ ErrorOr<Vector<Token>> Tokenizer::tokenize(StringView input, StringView encoding
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}
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return {};
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}));
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return builder.to_string();
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return builder.to_string_without_validation();
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};
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Tokenizer tokenizer { TRY(filter_code_points(input, encoding)) };
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@ -623,7 +623,7 @@ ErrorOr<FlyString> Tokenizer::consume_an_ident_sequence()
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break;
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}
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return result.to_fly_string();
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return result.to_fly_string_without_validation();
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}
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// https://www.w3.org/TR/css-syntax-3/#consume-url-token
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