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https://github.com/SerenityOS/serenity
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832e9b8302
Forward declare its iterator and add a peek() method analagous to Utf8CodePointIterator::peek().
36 lines
713 B
C++
36 lines
713 B
C++
/*
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* Copyright (c) 2023, Tim Flynn <trflynn89@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 <AK/StringBuilder.h>
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#include <AK/Utf32View.h>
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namespace AK {
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Optional<u32> Utf32CodePointIterator::peek(size_t offset) const
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{
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if (offset == 0) {
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if (this->done())
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return {};
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return this->operator*();
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}
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auto new_iterator = *this;
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for (size_t index = 0; index < offset; ++index) {
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++new_iterator;
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if (new_iterator.done())
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return {};
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}
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return *new_iterator;
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}
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ErrorOr<void> Formatter<Utf32View>::format(FormatBuilder& builder, Utf32View const& string)
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{
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return builder.builder().try_append(string);
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}
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}
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