umya-spreadsheet 2.3.3

umya-spreadsheet is a library written in pure Rust to read and write xlsx file.
Documentation 
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use super::XlsxError;
use std::io::Read;
use std::{io, result};

use crate::helper::const_str::*;
use crate::structs::Spreadsheet;

pub(crate) fn read<R: io::Read + io::Seek>(
    arv: &mut zip::ZipArchive<R>,
    spreadsheet: &mut Spreadsheet,
) -> result::Result<(), XlsxError> {
    let mut r = io::BufReader::new(match arv.by_name(PKG_JSA_PROJECT) {
        Ok(v) => v,
        Err(zip::result::ZipError::FileNotFound) => {
            return Ok(());
        }
        Err(e) => {
            return Err(e.into());
        }
    });
    let mut buf = Vec::new();
    r.read_to_end(&mut buf)?;

    spreadsheet.set_jsa_macros_code(buf);

    Ok(())
}