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LibWeb/Fetch: Implement build_content_range(start, end, full_length)

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rmg-x 2024-11-18 17:20:33 -06:00 committed by Tim Ledbetter
parent bf5cf720b5
commit 4e48298414
Notes: github-actions[bot] 2024-11-21 00:59:13 +00:00 
Author: https://github.com/rmg-x
Commit: https://github.com/LadybirdBrowser/ladybird/commit/4e48298414e
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2434
Reviewed-by: https://github.com/tcl3 ✅
2 changed files with 14 additions and 0 deletions
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13
Libraries/LibWeb/Fetch/Infrastructure/HTTP/Headers.cpp
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@ -832,6 +832,19 @@ Variant<Vector<ByteBuffer>, ExtractHeaderParseFailure, Empty> extract_header_lis
return values;
}
// https://fetch.spec.whatwg.org/#build-a-content-range
ByteString build_content_range(u64 const& range_start, u64 const& range_end, u64 const& full_length)
{
// 1. Let contentRange be `bytes `.
// 2. Append rangeStart, serialized and isomorphic encoded, to contentRange.
// 3. Append 0x2D (-) to contentRange.
// 4. Append rangeEnd, serialized and isomorphic encoded to contentRange.
// 5. Append 0x2F (/) to contentRange.
// 6. Append fullLength, serialized and isomorphic encoded to contentRange.
// 7. Return contentRange.
return ByteString::formatted("bytes {}-{}/{}", String::number(range_start), String::number(range_end), String::number(full_length));
}
// https://fetch.spec.whatwg.org/#simple-range-header-value
Optional<RangeHeaderValue> parse_single_range_header_value(ReadonlyBytes const value, bool const allow_whitespace)
{

1
Libraries/LibWeb/Fetch/Infrastructure/HTTP/Headers.h
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@ -93,6 +93,7 @@ struct ExtractHeaderParseFailure {
[[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]] ByteString build_content_range(u64 const& range_start, u64 const& range_end, u64 const& full_length);
[[nodiscard]] Optional<RangeHeaderValue> parse_single_range_header_value(ReadonlyBytes, bool);
[[nodiscard]] ByteBuffer default_user_agent_value();