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Label compact non-direct map event signatures

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This commit is contained in:
Jan Petykiewicz 2026-04-19 00:34:30 -07:00
commit 089a91a916
2 changed files with 55 additions and 0 deletions
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51
crates/rrt-runtime/src/smp.rs
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@ -9455,6 +9455,14 @@ fn try_parse_nondirect_event_runtime_record_summaries(
let mut notes = vec![
"decoded from non-direct 0x4e99/0x4e9a/0x4e9b map-bundle row segmentation using 0x526f-delimited slices".to_string(),
format!(
"compact signature family = {}",
compact_nondirect_signature_family(
grouped_marker_relative_offset,
&head_signature_words,
&post_group_signature_words,
)
),
format!(
"head signature u16 words = {}",
format_u16_word_signature(&head_signature_words)
@ -20161,6 +20169,49 @@ fn format_u16_word_signature(words: &[u16]) -> String {
.join(", ")
}
fn compact_nondirect_signature_family(
grouped_marker_relative_offset: Option<usize>,
head_signature_words: &[u16],
post_group_signature_words: &[u16],
) -> String {
let grouped_marker_bucket = grouped_marker_relative_offset.unwrap_or(0);
let head_word_2 = head_signature_words.get(2).copied().unwrap_or_default();
let head_word_4 = head_signature_words.get(4).copied().unwrap_or_default();
let head_word_6 = head_signature_words.get(6).copied().unwrap_or_default();
let head_word_8 = head_signature_words.get(8).copied().unwrap_or_default();
let head_word_10 = head_signature_words.get(10).copied().unwrap_or_default();
let post_word_1 = post_group_signature_words
.get(1)
.copied()
.unwrap_or_default();
let post_word_3 = post_group_signature_words
.get(3)
.copied()
.unwrap_or_default();
let post_word_5 = post_group_signature_words
.get(5)
.copied()
.unwrap_or_default();
let post_word_7 = post_group_signature_words
.get(7)
.copied()
.unwrap_or_default();
format!(
"nondirect-ge{:02x}-h{:04x}-{:04x}-{:04x}-{:04x}-{:04x}-p{:04x}-{:04x}-{:04x}-{:04x}",
grouped_marker_bucket,
head_word_2,
head_word_4,
head_word_6,
head_word_8,
head_word_10,
post_word_1,
post_word_3,
post_word_5,
post_word_7,
)
}
fn read_u8_at(bytes: &[u8], offset: usize) -> Option<u8> {
bytes.get(offset).copied()
}