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using System.IO;
using System.IO.Compression;
namespace VersOne.Epub.Environment.Implementation
{
internal class FileSystem : IFileSystem
{
#if NETFRAMEWORK
private const int MAX_PATH = 260;
#endif
public bool FileExists(string path)
{
return File.Exists(GetCompatibleFilePath(path));
}
public IZipFile OpenZipFile(string path)
{
return new ZipFile(System.IO.Compression.ZipFile.OpenRead(path));
}
public IZipFile OpenZipFile(Stream stream)
{
return new ZipFile(new ZipArchive(stream, ZipArchiveMode.Read));
}
private string GetCompatibleFilePath(string path)
{
#if NETFRAMEWORK
if (path.Length >= MAX_PATH && !path.StartsWith(@"\\?\"))
{
return @"\\?\" + path;
}
#endif
return path;
}
}
}
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