Aspose.Cells FOSS per Rust

use aspose_cells_foss_rust::{CellValue, Workbook};
use std::error::Error;

fn main() -> Result<(), Box<dyn Error>> {
    // Create a new workbook (starts with one sheet, "Sheet1").
    let mut workbook = Workbook::new();
    {
        let mut worksheets = workbook.get_worksheets_mut();
        let sheet = worksheets.get(0)?;
        let mut cells = sheet.get_cells_mut();

        cells.get("A1")?.put_value_string("Hello")?;
        cells.get("B1")?.put_value_i32(123)?;
        cells.get("C1")?.put_value_bool(true)?;
        cells.get("D1")?.put_value_decimal(12.5)?;
        cells.get("F1")?.put_value_i32(10)?;
        cells.get("G1")?
            .put_formula_with_cached_value("=F1*2", CellValue::Number(20.0))?;
    }
    workbook.save("hello.xlsx")?;

    // Load it back.
    let loaded = Workbook::load_xlsx("hello.xlsx")?;
    let sheet = loaded.worksheet("Sheet1")?;
    let cells = sheet.get_cells();
    println!("A1 = {}", cells.get("A1")?.display_string_value());

    Ok(())
}

let options = LoadOptions {
    try_repair_package: true,
    try_repair_xml: true,
    ..LoadOptions::default()
};

let loaded = Workbook::load_xlsx_with_options(&valid_path, &options)?;
let sheet = loaded.worksheet("Sheet1")?;
let cells = sheet.get_cells();

println!("Saved: {}", valid_path.display());
println!(
    "Loaded workbook with {} worksheet(s) and {} diagnostic issue(s).",
    loaded.get_worksheets().count(),
    loaded.get_load_diagnostics().issues().len()
);

let mut charts = sheet.get_charts();
charts.add(
    ChartType::Column,
    "Charts!$B$1:$B$13".to_string(),
    0,
    4,
    18,
    8,
)?;
charts.add(
    ChartType::Line,
    "Charts!$C$1:$C$13".to_string(),
    0,
    9,
    18,
    13,
)?;