src/StructuredLogger/ObjectModel/ArchiveFile.cs

using System.IO;
using System.IO.Compression;

namespace Microsoft.Build.Logging.StructuredLogger
{
    public class ArchiveFile
    {
        public ArchiveFile(string fullPath, string text)
        {
            FullPath = fullPath;
            Text = text;
        }

        public string FullPath { get; }
        public string Text { get; }

        public static ArchiveFile From(ZipArchiveEntry entry)
        {
            var filePath = CalculateArchivePath(entry.FullName);
            var text = GetText(entry);
            var file = new ArchiveFile(filePath, text);
            return file;
        }

        public static string GetText(ZipArchiveEntry entry)
        {
            using (var contentStream = entry.Open())
            using (var reader = new StreamReader(contentStream))
            {
                var text = reader.ReadToEnd();
                return text;
            }
        }

        public static string CalculateArchivePath(string filePath)
        {
            string archivePath = filePath;

            if (filePath.Contains(":") || (!filePath.StartsWith("\\") && !filePath.StartsWith("/")))
            {
                archivePath = archivePath.Replace(":", "");
                archivePath = archivePath.Replace("/", "\\");
                archivePath = archivePath.Replace("\\\\", "\\");
            }
            else
            {
                archivePath = archivePath.Replace("\\", "/");
                archivePath = archivePath.Replace("//", "/");
            }

            return archivePath;
        }
    }
}