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We also shouldn't trim whitespace at all when reading headers from the cache index. We store them as-is and should therefore read them as-is.
100 lines
3 KiB
C++
100 lines
3 KiB
C++
/*
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* Copyright (c) 2022-2023, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2024, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteString.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/Optional.h>
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#include <AK/RefCounted.h>
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#include <AK/String.h>
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#include <AK/Vector.h>
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#include <LibHTTP/Header.h>
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namespace HTTP {
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// https://fetch.spec.whatwg.org/#concept-header-list
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class HeaderList final : public RefCounted<HeaderList> {
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public:
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static NonnullRefPtr<HeaderList> create(Vector<Header> = {});
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Vector<Header> const& headers() const { return m_headers; }
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[[nodiscard]] bool is_empty() const { return m_headers.is_empty(); }
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[[nodiscard]] auto begin() { return m_headers.begin(); }
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[[nodiscard]] auto begin() const { return m_headers.begin(); }
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[[nodiscard]] auto end() { return m_headers.end(); }
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[[nodiscard]] auto end() const { return m_headers.end(); }
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void clear() { m_headers.clear(); }
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[[nodiscard]] bool contains(StringView) const;
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Optional<ByteString> get(StringView) const;
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Optional<Vector<String>> get_decode_and_split(StringView) const;
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void append(Header);
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void delete_(StringView name);
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void set(Header);
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void combine(Header);
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[[nodiscard]] Vector<Header> sort_and_combine() const;
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struct ExtractHeaderParseFailure { };
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[[nodiscard]] Variant<Empty, Vector<ByteString>, ExtractHeaderParseFailure> extract_header_list_values(StringView) const;
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struct ExtractLengthFailure { };
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[[nodiscard]] Variant<Empty, u64, ExtractLengthFailure> extract_length() const;
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struct ExtractContentRangeFailure { };
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struct ContentRangeValues {
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u64 first_byte_pos { 0 };
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u64 last_byte_pos { 0 };
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Optional<u64> complete_length;
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};
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[[nodiscard]] Variant<ContentRangeValues, ExtractContentRangeFailure> extract_content_range_values() const;
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[[nodiscard]] Vector<ByteString> unique_names() const;
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template<typename Callback>
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void delete_all_matching(Callback&& callback)
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{
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m_headers.remove_all_matching(forward<Callback>(callback));
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}
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template<typename Callback>
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void for_each_header_value(StringView name, Callback&& callback) const
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{
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for (auto const& header : m_headers) {
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if (!header.name.equals_ignoring_ascii_case(name))
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continue;
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if (callback(header.value) == IterationDecision::Break)
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break;
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}
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}
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template<typename Callback>
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void for_each_vary_header(Callback&& callback) const
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{
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for_each_header_value("Vary"sv, [&](StringView value) -> IterationDecision {
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IterationDecision result;
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value.for_each_split_view(","sv, SplitBehavior::Nothing, [&](StringView header) -> IterationDecision {
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result = callback(normalize_header_value(header));
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return result;
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});
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return result;
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});
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}
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private:
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explicit HeaderList(Vector<Header>);
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Vector<Header> m_headers;
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};
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}
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