Method from_cigar

src/plot.rs:492–529

Creates a detailed PlotCigar from a given rust_htslib CigarStringView

(
        cigar: CigarStringView,
        read_seq: Vec<char>,
        ref_seq: Vec<char>,
    )

impl PlotCigar {
    /// Creates a detailed PlotCigar from a given rust_htslib CigarStringView
    fn from_cigar(
        cigar: CigarStringView,
        read_seq: Vec<char>,
        ref_seq: Vec<char>,
    ) -> Result<PlotCigar> {
        let mut inner_plot_cigars = Vec::new();
        let (mut read_index, mut ref_index) = (0, 0);
        for c in &cigar {
            match c {
                Cigar::Match(length) | Cigar::SoftClip(length) => {
                    inner_plot_cigars.extend(match_bases(
                        &read_seq[read_index..read_index + *length as usize],
                        &ref_seq[ref_index..ref_index + *length as usize],
                    ));
                    read_index += *length as usize;
                    ref_index += *length as usize;
                }
                Cigar::Ins(length) => {
                    inner_plot_cigars.push(InnerPlotCigar {
                        cigar_type: CigarType::Ins,
                        bases: Some(read_seq[read_index..read_index + *length as usize].to_vec()),
                        length: None,
                    });
                    read_index += *length as usize;
                }
                Cigar::Del(length) => {
                    inner_plot_cigars.push(InnerPlotCigar {
                        cigar_type: CigarType::Del,
                        bases: None,
                        length: Some(*length),
                    });
                    ref_index += *length as usize;
                }
                _ => {}
            }
        }
        Ok(PlotCigar(inner_plot_cigars))
    }
}

/// Matches a given read sequence against a given reference sequence and returning the result as Vec<InnerPlotCigar>