datavzrd 2.64.0

A tool to create visual HTML reports from collections of CSV/TSV tables
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use crate::spec::DatasetSpecs;
use anyhow::Result;

pub(crate) mod column_index;
pub mod column_type;
pub(crate) mod compress;
pub(crate) mod row_address;

/// Returns the index of the given column of a csv header
pub(crate) fn column_position(column: &str, dataset: &DatasetSpecs) -> Result<usize> {
    // TODO implement something like a lookup table for this, and wrap
    // the csv::Reader in a struct that does this lookup.
    for (index, c) in dataset.reader()?.headers()?.iter().enumerate() {
        if c == column {
            return Ok(index);
        }
    }
    panic!("bug: column {column} not found in dataset but no error thrown by spec validation");
}