[Webkit-unassigned] [Bug 276365] script.innerText interop issues with new lines

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=276365

--- Comment #8 from Karl Dubost <karlcow at apple.com> ---
https://github.com/WebKit/WebKit/blob/501b962b3159b23f860841c5b2dd0931df79f186/Source/WTF/wtf/text/StringView.cpp#L461-L481


template<typename CharacterType> static String makeStringBySimplifyingNewLinesSlowCase(const String& string, unsigned firstCarriageReturn)
{
    unsigned length = string.length();
    unsigned resultLength = firstCarriageReturn;
    auto characters = string.span<CharacterType>();
    CharacterType* resultCharacters;
    auto result = String::createUninitialized(length, resultCharacters);
    memcpy(resultCharacters, characters.data(), firstCarriageReturn * sizeof(CharacterType));
    for (unsigned i = firstCarriageReturn; i < length; ++i) {
        if (characters[i] != '\r')
            resultCharacters[resultLength++] = characters[i];
        else {
            resultCharacters[resultLength++] = '\n';
            if (i + 1 < length && characters[i + 1] == '\n')
                ++i;
        }
    }
    if (resultLength < length)
        result = StringImpl::createSubstringSharingImpl(*result.impl(), 0, resultLength);
    return result;
}

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