include/wx/protocol/ftp.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        ftp.h
   3 // Purpose:     FTP protocol
   4 // Author:      Vadim Zeitlin
   5 // Modified by: Mark Johnson, wxWindows@mj10777.de
   6 //              20000917 : RmDir, GetLastResult, GetList
   7 // Created:     07/07/1997
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 1997, 1998 Guilhem Lavaux
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef __WX_FTP_H__
  14 #define __WX_FTP_H__
  15
  16 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  17     #pragma interface "ftp.h"
  18 #endif
  19
  20 #include "wx/defs.h"
  21
  22 #if wxUSE_PROTOCOL_FTP
  23
  24 #include "wx/sckaddr.h"
  25 #include "wx/protocol/protocol.h"
  26 #include "wx/url.h"
  27
  28 class WXDLLIMPEXP_NET wxFTP : public wxProtocol
  29 {
  30 public:
  31     enum TransferMode
  32     {
  33         NONE,       // not set by user explicitly
  34         ASCII,
  35         BINARY
  36     };
  37
  38     wxFTP();
  39     virtual ~wxFTP();
  40
  41     // Connecting and disconnecting
  42     void SetUser(const wxString& user) { m_user = user; }
  43     void SetPassword(const wxString& passwd) { m_passwd = passwd; }
  44
  45     bool Connect(wxSockAddress& addr, bool wait = TRUE);
  46     bool Connect(const wxString& host);
  47
  48     // disconnect
  49     virtual bool Close();
  50
  51     // Parameters set up
  52
  53     // set transfer mode now
  54     bool SetBinary() { return SetTransferMode(BINARY); }
  55     bool SetAscii() { return SetTransferMode(ASCII); }
  56     bool SetTransferMode(TransferMode mode);
  57
  58     // Generic FTP interface
  59
  60     // the error code
  61     virtual wxProtocolError GetError() { return m_lastError; }
  62
  63     // the last FTP server reply
  64     const wxString& GetLastResult() { return m_lastResult; }
  65
  66     // send any FTP command (should be full FTP command line but without
  67     // trailing "\r\n") and return its return code
  68     char SendCommand(const wxString& command);
  69
  70     // check that the command returned the given code
  71     bool CheckCommand(const wxString& command, char expectedReturn)
  72     {
  73         return SendCommand(command) == expectedReturn;
  74     }
  75
  76     // Filesystem commands
  77     bool ChDir(const wxString& dir);
  78     bool MkDir(const wxString& dir);
  79     bool RmDir(const wxString& dir);
  80     wxString Pwd();
  81     bool Rename(const wxString& src, const wxString& dst);
  82     bool RmFile(const wxString& path);
  83
  84     // Get the size of a file in the current dir.
  85     // this function tries its best to deliver the size in bytes using BINARY
  86     // (the SIZE command reports different sizes depending on whether
  87     // type is set to ASCII or BINARY)
  88     // returns -1 if file is non-existant or size could not be found
  89     int GetFileSize(const wxString& fileName);
  90
  91        // Check to see if a file exists in the current dir
  92     bool FileExists(const wxString& fileName);
  93
  94     // Download methods
  95     bool Abort();
  96
  97     virtual wxInputStream *GetInputStream(const wxString& path);
  98     virtual wxOutputStream *GetOutputStream(const wxString& path);
  99
 100     // Directory listing
 101
 102     // get the list of full filenames, the format is fixed: one file name per
 103     // line
 104     bool GetFilesList(wxArrayString& files,
 105                       const wxString& wildcard = wxEmptyString)
 106     {
 107         return GetList(files, wildcard, FALSE);
 108     }
 109
 110     // get a directory list in server dependent format - this can be shown
 111     // directly to the user
 112     bool GetDirList(wxArrayString& files,
 113                     const wxString& wildcard = wxEmptyString)
 114     {
 115         return GetList(files, wildcard, TRUE);
 116     }
 117
 118     // equivalent to either GetFilesList() (default) or GetDirList()
 119     bool GetList(wxArrayString& files,
 120                  const wxString& wildcard = wxEmptyString,
 121                  bool details = FALSE);
 122
 123 protected:
 124     // this executes a simple ftp command with the given argument and returns
 125     // TRUE if it its return code starts with '2'
 126     bool DoSimpleCommand(const wxChar *command,
 127                          const wxString& arg = wxEmptyString);
 128
 129     // get the server reply, return the first character of the reply code,
 130     // '1'..'5' for normal FTP replies, 0 (*not* '0') if an error occured
 131     char GetResult();
 132
 133     // check that the result is equal to expected value
 134     bool CheckResult(char ch) { return GetResult() == ch; }
 135
 136     wxSocketClient *GetPort();
 137
 138     wxString m_user,
 139              m_passwd;
 140
 141     wxString m_lastResult;
 142     wxProtocolError m_lastError;
 143
 144     // true if there is an FTP transfer going on
 145     bool m_streaming;
 146
 147     // although this should be set to ASCII by default according to STD9,
 148     // we will use BINARY transfer mode by default for backwards compatibility
 149     TransferMode m_currentTransfermode;
 150
 151     friend class wxInputFTPStream;
 152     friend class wxOutputFTPStream;
 153
 154     DECLARE_DYNAMIC_CLASS_NO_COPY(wxFTP)
 155     DECLARE_PROTOCOL(wxFTP)
 156 };
 157
 158 // the trace mask used by assorted wxLogTrace() in ftp code, do
 159 // wxLog::AddTraceMask(FTP_TRACE_MASK) to see them in output
 160 #define FTP_TRACE_MASK _T("ftp")
 161
 162 #endif // wxUSE_PROTOCOL_FTP
 163
 164 #endif // __WX_FTP_H__