Extensions/WorkbookReader.cs

/*
 * NanoXLSX is a small .NET library to generate and read XLSX (Microsoft Excel 2007 or newer) files in an easy and native way
 * Copyright Raphael Stoeckli © 2026
 * This library is licensed under the MIT License.
 * You find a copy of the license in project folder or on: http://opensource.org/licenses/MIT
 */
 
using System.IO;
using System.Threading.Tasks;
using NanoXLSX.Internal.Readers;
using NanoXLSX.Registry;
 
namespace NanoXLSX.Extensions
{
    public static class WorkbookReader
    {
        static WorkbookReader()
        {
            PlugInLoader.Initialize();
        }

        public static Workbook Load(string filename, ReaderOptions options = null)
        {
            using (XlsxReader reader = new XlsxReader(filename, options))
            {
                reader.Read();
                reader.Workbook.Filename = filename;
                return reader.Workbook;
            }
        }

        public static Workbook Load(Stream stream, ReaderOptions options = null)
        {
            using (XlsxReader reader = new XlsxReader(stream, options))
            {
                reader.Read();
                return reader.Workbook;
            }
        }

        public static async Task<Workbook> LoadAsync(string filename, ReaderOptions options = null)
        {
            using (XlsxReader reader = new XlsxReader(filename, options))
            {
                await reader.ReadAsync();
                reader.Workbook.Filename = filename;
                return reader.Workbook;
            }
        }

        public static async Task<Workbook> LoadAsync(Stream stream, ReaderOptions options = null)
        {
            using (XlsxReader reader = new XlsxReader(stream, options))
            {
                await reader.ReadAsync();
                return reader.Workbook;
            }
        }
    }
}