Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89 Commit: 93712b24bf Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256 Reviewed-by: https://github.com/sideshowbarker
2025-08-21 01:40:46 +00:00 · 2024-11-09 12:25:08 -05:00 · 2024-11-09 12:25:08 -05:00 · 93712b24bf · 2024-11-10 11:51:52 +00:00
commit 93712b24bf
parent 950e819ee7
4547 changed files with 104 additions and 113 deletions
--- a/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Headers.h
+++ b/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Headers.h
@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2022-2023, Linus Groh <linusg@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/ByteBuffer.h>
+#include <AK/Error.h>
+#include <AK/Forward.h>
+#include <AK/HashTable.h>
+#include <AK/Optional.h>
+#include <AK/String.h>
+#include <AK/Vector.h>
+#include <LibJS/Forward.h>
+#include <LibJS/Heap/GCPtr.h>
+#include <LibJS/Heap/Heap.h>
+#include <LibWeb/MimeSniff/MimeType.h>
+
+namespace Web::Fetch::Infrastructure {
+
+// https://fetch.spec.whatwg.org/#concept-header
+// A header is a tuple that consists of a name (a header name) and value (a header value).
+struct Header {
+    ByteBuffer name;
+    ByteBuffer value;
+
+    [[nodiscard]] static Header copy(Header const&);
+    [[nodiscard]] static Header from_string_pair(StringView, StringView);
+};
+
+// https://fetch.spec.whatwg.org/#concept-header-list
+// A header list is a list of zero or more headers. It is initially the empty list.
+class HeaderList final
+    : public JS::Cell
+    , public Vector<Header> {
+    JS_CELL(HeaderList, JS::Cell);
+    JS_DECLARE_ALLOCATOR(HeaderList);
+
+public:
+    using Vector::begin;
+    using Vector::clear;
+    using Vector::end;
+    using Vector::is_empty;
+
+    [[nodiscard]] static JS::NonnullGCPtr<HeaderList> create(JS::VM&);
+
+    [[nodiscard]] bool contains(ReadonlyBytes) const;
+    [[nodiscard]] Optional<ByteBuffer> get(ReadonlyBytes) const;
+    [[nodiscard]] Optional<Vector<String>> get_decode_and_split(ReadonlyBytes) const;
+    void append(Header);
+    void delete_(ReadonlyBytes name);
+    void set(Header);
+    void combine(Header);
+    [[nodiscard]] Vector<Header> sort_and_combine() const;
+
+    struct ExtractLengthFailure { };
+    using ExtractLengthResult = Variant<u64, ExtractLengthFailure, Empty>;
+
+    [[nodiscard]] ExtractLengthResult extract_length() const;
+
+    [[nodiscard]] Optional<MimeSniff::MimeType> extract_mime_type() const;
+
+    [[nodiscard]] Vector<ByteBuffer> unique_names() const;
+};
+
+struct RangeHeaderValue {
+    Optional<u64> start;
+    Optional<u64> end;
+};
+
+struct ExtractHeaderParseFailure {
+};
+
+[[nodiscard]] StringView legacy_extract_an_encoding(Optional<MimeSniff::MimeType> const& mime_type, StringView fallback_encoding);
+[[nodiscard]] Optional<Vector<String>> get_decode_and_split_header_value(ReadonlyBytes);
+[[nodiscard]] OrderedHashTable<ByteBuffer> convert_header_names_to_a_sorted_lowercase_set(Span<ReadonlyBytes>);
+[[nodiscard]] bool is_header_name(ReadonlyBytes);
+[[nodiscard]] bool is_header_value(ReadonlyBytes);
+[[nodiscard]] ByteBuffer normalize_header_value(ReadonlyBytes);
+[[nodiscard]] bool is_cors_safelisted_request_header(Header const&);
+[[nodiscard]] bool is_cors_unsafe_request_header_byte(u8);
+[[nodiscard]] OrderedHashTable<ByteBuffer> get_cors_unsafe_header_names(HeaderList const&);
+[[nodiscard]] bool is_cors_non_wildcard_request_header_name(ReadonlyBytes);
+[[nodiscard]] bool is_privileged_no_cors_request_header_name(ReadonlyBytes);
+[[nodiscard]] bool is_cors_safelisted_response_header_name(ReadonlyBytes, Span<ReadonlyBytes>);
+[[nodiscard]] bool is_no_cors_safelisted_request_header_name(ReadonlyBytes);
+[[nodiscard]] bool is_no_cors_safelisted_request_header(Header const&);
+[[nodiscard]] bool is_forbidden_request_header(Header const&);
+[[nodiscard]] bool is_forbidden_response_header_name(ReadonlyBytes);
+[[nodiscard]] bool is_request_body_header_name(ReadonlyBytes);
+[[nodiscard]] Optional<Vector<ByteBuffer>> extract_header_values(Header const&);
+[[nodiscard]] Variant<Vector<ByteBuffer>, ExtractHeaderParseFailure, Empty> extract_header_list_values(ReadonlyBytes, HeaderList const&);
+[[nodiscard]] Optional<RangeHeaderValue> parse_single_range_header_value(ReadonlyBytes);
+[[nodiscard]] ByteBuffer default_user_agent_value();
+
+}