cognee-chunking 0.1.0

Text chunking and token counting for the cognee ingestion pipeline.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51

use serde::{Deserialize, Serialize};
use std::fmt;

/// Describes how a chunk boundary was determined.
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub enum CutType {
    /// Sentence ending followed by a newline (paragraph boundary).
    ParagraphEnd,
    /// Sentence ending punctuation without a newline.
    SentenceEnd,
    /// Text ended mid-sentence (no ending punctuation).
    SentenceCut,
    /// Text ended mid-word.
    Word,
    /// Single-chunk emission for DLT-ingested rows.
    DltRow,
    /// Row boundary within CSV/DLT chunking (mid-row split).
    RowCut,
    /// End of a complete row in CSV/DLT chunking.
    RowEnd,
}

impl fmt::Display for CutType {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            CutType::ParagraphEnd => write!(f, "paragraph_end"),
            CutType::SentenceEnd => write!(f, "sentence_end"),
            CutType::SentenceCut => write!(f, "sentence_cut"),
            CutType::Word => write!(f, "word"),
            CutType::DltRow => write!(f, "dlt_row"),
            CutType::RowCut => write!(f, "row_cut"),
            CutType::RowEnd => write!(f, "row_end"),
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn display_formats() {
        assert_eq!(CutType::ParagraphEnd.to_string(), "paragraph_end");
        assert_eq!(CutType::SentenceEnd.to_string(), "sentence_end");
        assert_eq!(CutType::SentenceCut.to_string(), "sentence_cut");
        assert_eq!(CutType::Word.to_string(), "word");
        assert_eq!(CutType::DltRow.to_string(), "dlt_row");
        assert_eq!(CutType::RowCut.to_string(), "row_cut");
        assert_eq!(CutType::RowEnd.to_string(), "row_end");
    }
}