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AK+LibCore: Add BufferedSocket::can_read_up_to_delimiter()
This method (unlike can_read_line) ensures that the delimiter is present in the buffer, and doesn't return true after eof when the delimiter is absent.
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4d1d88aa16
commit
4f6c9f410c
3 changed files with 23 additions and 6 deletions
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@ -369,6 +369,7 @@ public:
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virtual ErrorOr<StringView> read_line(Bytes buffer) = 0;
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virtual ErrorOr<Bytes> read_until(Bytes buffer, StringView candidate) = 0;
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virtual ErrorOr<bool> can_read_line() = 0;
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virtual ErrorOr<bool> can_read_up_to_delimiter(ReadonlyBytes delimiter) = 0;
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virtual size_t buffer_size() const = 0;
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};
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@ -413,10 +414,14 @@ public:
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virtual void set_notifications_enabled(bool enabled) override { m_helper.stream().set_notifications_enabled(enabled); }
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virtual ErrorOr<StringView> read_line(Bytes buffer) override { return m_helper.read_line(move(buffer)); }
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virtual ErrorOr<bool> can_read_line() override
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{
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return TRY(m_helper.can_read_up_to_delimiter("\n"sv.bytes())) || m_helper.is_eof_with_data_left_over();
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}
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virtual ErrorOr<Bytes> read_until(Bytes buffer, StringView candidate) override { return m_helper.read_until(move(buffer), move(candidate)); }
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template<size_t N>
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ErrorOr<Bytes> read_until_any_of(Bytes buffer, Array<StringView, N> candidates) { return m_helper.read_until_any_of(move(buffer), move(candidates)); }
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virtual ErrorOr<bool> can_read_line() override { return m_helper.can_read_line(); }
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virtual ErrorOr<bool> can_read_up_to_delimiter(ReadonlyBytes delimiter) override { return m_helper.can_read_up_to_delimiter(delimiter); }
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virtual size_t buffer_size() const override { return m_helper.buffer_size(); }
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