Initial commit

Handler/Project/Class/FTP/FTPfileInfo.cs

@@ -0,0 +1,216 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace AR.FTPClient
+{
+    /// <summary>
+    ///     ''' Represents a file or directory entry from an FTP listing
+    ///     ''' </summary>
+    ///     ''' <remarks>
+    ///     ''' This class is used to parse the results from a detailed
+    ///     ''' directory list from FTP. It supports most formats of
+    ///     ''' </remarks>
+    public class FTPfileInfo
+    {
+        // Stores extended info about FTP file
+
+        public string FullName
+        {
+            get
+            {
+                var retval = Path + "/" + Filename;
+                return retval.Replace("//", "/");
+            }
+        }
+        public string Filename
+        {
+            get
+            {
+                return _filename;
+            }
+        }
+        public string Path
+        {
+            get
+            {
+                return _path;
+            }
+        }
+        public DirectoryEntryTypes FileType
+        {
+            get
+            {
+                return _fileType;
+            }
+        }
+        public long Size
+        {
+            get
+            {
+                return _size;
+            }
+        }
+        public DateTime FileDateTime
+        {
+            get
+            {
+                return _fileDateTime;
+            }
+        }
+        public string Permission
+        {
+            get
+            {
+                return _permission;
+            }
+        }
+        public string Extension
+        {
+            get
+            {
+                int i = this.Filename.LastIndexOf(".");
+                if (i >= 0 & i < (this.Filename.Length - 1))
+                    return this.Filename.Substring(i + 1);
+                else
+                    return "";
+            }
+        }
+        public string NameOnly
+        {
+            get
+            {
+                int i = this.Filename.LastIndexOf(".");
+                if (i > 0)
+                    return this.Filename.Substring(0, i);
+                else
+                    return this.Filename;
+            }
+        }
+        private string _filename;
+        private string _path;
+        private DirectoryEntryTypes _fileType;
+        private long _size;
+        private DateTime _fileDateTime;
+        private string _permission;
+
+
+        /// <summary>
+        ///         ''' Identifies entry as either File or Directory
+        ///         ''' </summary>
+        public enum DirectoryEntryTypes
+        {
+            File,
+            Directory,
+            Link
+        }
+
+        /// <summary>
+        ///         ''' Constructor taking a directory listing line and path
+        ///         ''' </summary>
+        ///         ''' <param name="line">The line returned from the detailed directory list</param>
+        ///         ''' <param name="path">Path of the directory</param>
+        ///         ''' <remarks></remarks>
+        public FTPfileInfo(string line, string path)
+        {
+            // parse line
+
+
+
+            Match m = GetMatchingRegex(line);
+            if (m == null)
+                // failed
+                throw new ApplicationException("Unable to parse line: " + line);
+            else
+            {
+                _filename = m.Groups["name"].Value;
+                _path = path;
+
+
+                _permission = m.Groups["permission"].Value;
+                string _dir = m.Groups["dir"].Value;
+                if ((_dir != "" & (_dir == "d" || _dir == "D")))
+                {
+                    _fileType = DirectoryEntryTypes.Directory;
+                    _size = 0; // CLng(m.Groups("size").Value)
+                }
+                else if ((_dir != "" & (_dir == "l" || _dir == "L")))
+                {
+                    _fileType = DirectoryEntryTypes.Link;
+                    _size = 0; // CLng(m.Groups("size").Value)
+                }
+                else
+                {
+                    _fileType = DirectoryEntryTypes.File;
+                    _size = System.Convert.ToInt64(m.Groups["size"].Value);
+                }
+
+
+                try
+                {
+                    var timestamp = m.Groups["timestamp"].Value;
+                    if (timestamp.IndexOf(':') == -1)
+                    {
+                        _fileDateTime = DateTime.Parse(timestamp);
+                    }
+                    else
+                    {
+                        _fileDateTime = DateTime.Parse(DateTime.Now.Year + " " + timestamp);
+                    }
+
+                }
+                catch
+                {
+                    // MsgBox("datetime err=" & Now.Year & Space(1) & "value=" & m.Groups("timestamp").Value & vbCrLf & ex.Message.ToString)
+                    _fileDateTime = DateTime.Parse("1982-11-23");
+                }
+            }
+        }
+
+        public FTPfileInfo(string filename, string permission, string dir, int size, DateTime filetime, Boolean isdir, string path)
+        {
+            _filename = filename;// m.Groups["name"].Value;
+            _path = path;
+            _permission = permission; // m.Groups["permission"].Value;
+            string _dir = dir;// m.Groups["dir"].Value;
+            if (isdir == true)
+            {
+                _fileType = DirectoryEntryTypes.Directory;
+                _size = 0; // CLng(m.Groups("size").Value)
+            }
+            else
+            {
+                _fileType = DirectoryEntryTypes.File;
+                _size = size;//
+            }
+
+            _fileDateTime = filetime;
+        }
+
+        private Match GetMatchingRegex(string line)
+        {
+            Regex rx;
+            Match m;
+            for (int i = 0; i <= _ParseFormats.Length - 1; i++)
+            {
+                rx = new Regex(_ParseFormats[i]);
+                m = rx.Match(line);
+                if (m.Success)
+                    return m;
+            }
+            return null;
+        }
+
+        /// <summary>
+        ///         ''' List of REGEX formats for different FTP server listing formats
+        ///         ''' </summary>
+        ///         ''' <remarks>
+        ///         ''' The first three are various UNIX/LINUX formats, fourth is for MS FTP
+        ///         ''' in detailed mode and the last for MS FTP in 'DOS' mode.
+        ///         ''' I wish VB.NET had support for Const arrays like C# but there you go
+        ///         ''' </remarks>
+        private static string[] _ParseFormats = new[] { @"(?<dir>[\-dl])(?<permission>([\-r][\-w][\-xs]){3})\s+\d+\s+\w+\s+\w+\s+(?<size>\d+)\s+(?<timestamp>\w+\s+\d+\s+\d{4})\s+(?<name>.+)", @"(?<dir>[\-dl])(?<permission>([\-r][\-w][\-xs]){3})\s+\d+\s+\d+\s+(?<size>\d+)\s+(?<timestamp>\w+\s+\d+\s+\d{4})\s+(?<name>.+)", @"(?<dir>[\-dl])(?<permission>([\-r][\-w][\-xs]){3})\s+\d+\s+\d+\s+(?<size>\d+)\s+(?<timestamp>\w+\s+\d+\s+\d{1,2}:\d{2})\s+(?<name>.+)", @"(?<dir>[\-dl])(?<permission>([\-r][\-w][\-xs]){3})\s+\d+\s+\w+\s+\w+\s+(?<size>\d+)\s+(?<timestamp>\w+\s+\d+\s+\d{1,2}:\d{2})\s+(?<name>.+)", @"(?<dir>[\-dl])(?<permission>([\-r][\-w][\-xs]){3})(\s+)(?<size>(\d+))(\s+)(?<ctbit>(\w+\s\w+))(\s+)(?<size2>(\d+))\s+(?<timestamp>\w+\s+\d+\s+\d{2}:\d{2})\s+(?<name>.+)", @"(?<timestamp>\d{2}\-\d{2}\-\d{2}\s+\d{2}:\d{2}[Aa|Pp][mM])\s+(?<dir>\<\w+\>){0,1}(?<size>\d+){0,1}\s+(?<name>.+)" };
+    }
+}