2000-12-19 12:24:47 -05:00
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%% Name: ftp.tex
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%% Purpose: wxFTP documentation
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%% Author: Guilhem Lavaux, Vadim Zeitlin
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%% Modified by:
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%% Created: ~1997
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%% RCS-ID: $Id$
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%% Copyright: (c) wxWindows team
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%% License: wxWindows license
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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1999-01-10 15:14:07 -05:00
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\section{\class{wxFTP}}\label{wxftp}
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2000-12-19 12:24:47 -05:00
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wxFTP can be used to establish a connection to an FTP server and perform all the
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usual operations. Please consult the RFC 959 for more details about the FTP
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protocol.
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To use a commands which doesn't involve file transfer (i.e. directory oriented
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commands) you just need to call a corresponding member function or use the
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generic \helpref{SendCommand}{wxftpsendcommand} method. However to actually
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transfer files you just get or give a stream to or from this class and the
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actual data are read or written using the usual stream methods.
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Example of using wxFTP for file downloading:
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\begin{verbatim}
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wxFTP ftp;
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// if you don't use these lines anonymous login will be used
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ftp.SetUser("user");
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ftp.SetPassword("password");
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if ( !ftp.Connect("ftp.wxwindows.org") )
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{
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wxLogError("Couldn't connect");
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return;
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}
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ftp.ChDir("/pub");
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wxInputStream *in = ftp.GetInputStream("wxWindows-4.2.0.tar.gz");
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if ( !in )
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{
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wxLogError("Coudln't get file");
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}
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else
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{
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size_t size = in->GetSize();
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char *data = new char[size];
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if ( !in->Read(data, size) )
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{
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wxLogError("Read error");
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}
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else
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{
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// file data is in the buffer
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...
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}
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delete [] data;
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delete in;
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}
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\end{verbatim}
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To upload a file you would do (assuming the connection to the server was opened
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successfully):
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\begin{verbatim}
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wxOutputStream *out = ftp.GetOutputStream("filename");
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if ( out )
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{
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out->Write(...); // your data
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delete out;
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}
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\end{verbatim}
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\wxheading{Constants}
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wxFTP defines constants corresponding to the two supported transfer modes:
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\begin{verbatim}
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enum TransferMode
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{
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ASCII,
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BINARY
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};
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\end{verbatim}
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1999-01-10 15:14:07 -05:00
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\wxheading{Derived from}
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\helpref{wxProtocol}{wxprotocol}
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1999-02-15 15:41:29 -05:00
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\wxheading{Include files}
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1999-02-25 15:13:10 -05:00
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<wx/protocol/ftp.h>
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1999-01-10 15:14:07 -05:00
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\wxheading{See also}
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\helpref{wxSocketBase}{wxsocketbase}
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% ----------------------------------------------------------------------------
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% Members
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% ----------------------------------------------------------------------------
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1999-02-27 09:36:05 -05:00
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxFTP::wxFTP}
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\func{}{wxFTP}{\void}
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Default constructor.
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2000-12-19 12:24:47 -05:00
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\membersection{wxFTP::\destruct{wxFTP}}
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\func{}{\destruct{wxFTP}}{\void}
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Destructor will close the connection if connected.
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2002-12-04 09:11:26 -05:00
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\membersection{wxFTP::Abort}\label{wxftpabort}
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\func{bool}{Abort}{\void}
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Aborts the download currently in process, returns {\tt true} if ok, {\tt false}
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if an error occured.
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2000-12-19 12:24:47 -05:00
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\membersection{wxFTP::CheckCommand}
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\func{bool}{CheckCommand}{\param{const wxString\&}{ command}, \param{char }{ret}}
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1999-12-24 18:40:13 -05:00
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Send the specified {\it command} to the FTP server. {\it ret} specifies
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the expected result.
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\wxheading{Return value}
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true if the command has been sent successfully, else false.
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\membersection{wxFTP::SendCommand}\label{wxftpsendcommand}
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\func{char}{SendCommand}{\param{const wxString\&}{ command}}
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Send the specified {\it command} to the FTP server and return the first
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character of the return code.
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\membersection{wxFTP::GetLastResult}
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\func{const wxString\&}{GetLastResult}{\void}
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2000-12-19 12:24:47 -05:00
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Returns the last command result, i.e. the full server reply for the last
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command.
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1999-01-10 15:14:07 -05:00
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% ----------------------------------------------------------------------------
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\membersection{wxFTP::ChDir}
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1999-01-12 13:28:34 -05:00
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\func{bool}{ChDir}{\param{const wxString\&}{ dir}}
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Change the current FTP working directory.
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Returns true if successful.
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\membersection{wxFTP::MkDir}
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\func{bool}{MkDir}{\param{const wxString\&}{ dir}}
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Create the specified directory in the current FTP working directory.
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Returns true if successful.
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\membersection{wxFTP::RmDir}
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1999-01-12 13:28:34 -05:00
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\func{bool}{RmDir}{\param{const wxString\&}{ dir}}
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Remove the specified directory from the current FTP working directory.
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Returns true if successful.
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\membersection{wxFTP::Pwd}
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\func{wxString}{Pwd}{\void}
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Returns the current FTP working directory.
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% ----------------------------------------------------------------------------
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\membersection{wxFTP::Rename}
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\func{bool}{Rename}{\param{const wxString\&}{ src}, \param{const wxString\&}{ dst}}
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Rename the specified {\it src} element to {\it dst}. Returns true if successful.
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% ----------------------------------------------------------------------------
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\membersection{wxFTP::RmFile}
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\func{bool}{RmFile}{\param{const wxString\&}{ path}}
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Delete the file specified by {\it path}. Returns true if successful.
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% ----------------------------------------------------------------------------
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2000-12-19 12:24:47 -05:00
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\membersection{wxFTP::SetAscii}
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\func{bool}{SetAscii}{\void}
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Sets the transfer mode to ASCII. It will be used for the next transfer.
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\membersection{wxFTP::SetBinary}
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\func{bool}{SetBinary}{\void}
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Sets the transfer mode to binary (IMAGE). It will be used for the next transfer.
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\membersection{wxFTP::SetTransferMode}
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\func{bool}{SetTransferMode}{\param{TransferMode }{mode}}
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Sets the transfer mode to the specified one. It will be used for the next
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transfer.
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If this function is never called, binary transfer mode is used by default.
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% ----------------------------------------------------------------------------
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1999-02-25 15:13:10 -05:00
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\membersection{wxFTP::SetUser}
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1999-02-25 15:13:10 -05:00
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\func{void}{SetUser}{\param{const wxString\&}{ user}}
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Sets the user name to be sent to the FTP server to be allowed to log in.
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\wxheading{Default value}
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The default value of the user name is "anonymous".
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\wxheading{Remark}
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This parameter can be included in a URL if you want to use the URL manager.
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For example, you can use: "ftp://a\_user:a\_password@a.host:service/a\_directory/a\_file"
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to specify a user and a password.
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\membersection{wxFTP::SetPassword}
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1999-02-25 15:13:10 -05:00
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\func{void}{SetPassword}{\param{const wxString\&}{ passwd}}
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Sets the password to be sent to the FTP server to be allowed to log in.
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\wxheading{Default value}
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The default value of the user name is your email address. For example, it could
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be "username@userhost.domain". This password is built by getting the current
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user name and the host name of the local machine from the system.
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\wxheading{Remark}
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This parameter can be included in a URL if you want to use the URL manager.
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For example, you can use: "ftp://a\_user:a\_password@a.host:service/a\_directory/a\_file"
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to specify a user and a password.
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% ----------------------------------------------------------------------------
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2002-12-04 09:11:26 -05:00
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\membersection{wxFTP::FileExists}\label{wxftpfileexists}
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\func{bool}{FileExists}{\param{const wxString\&}{ filename}}
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2003-01-17 19:16:34 -05:00
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Returns {\tt true} if the given remote file exists, {\tt false} otherwise.
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\membersection{wxFTP::GetFileSize}\label{wxftpgetfilesize}
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\func{int}{GetFileSize}{\param{const wxString\&}{ filename}}
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Returns the file size in bytes or $-1$ if the file doesn't exist or the size
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couldn't be determined. Notice that this size can be approximative size only
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and shouldn't be used for allocating the buffer in which the remote file is
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copied, for example.
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2000-12-19 12:24:47 -05:00
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\membersection{wxFTP::GetDirList}\label{wxftpgetdirlist}
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\func{bool}{GetDirList}{\param{wxArrayString\& }{files}, \param{const wxString\&}{ wildcard = ""}}
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1999-02-25 15:13:10 -05:00
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The GetList function is quite low-level. It returns the list of the files in
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the current directory. The list can be filtered using the {\it wildcard} string.
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If {\it wildcard} is empty (default), it will return all files in directory.
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The form of the list can change from one peer system to another. For example,
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for a UNIX peer system, it will look like this:
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1999-02-25 15:13:10 -05:00
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\begin{verbatim}
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-r--r--r-- 1 guilhem lavaux 12738 Jan 16 20:17 cmndata.cpp
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-r--r--r-- 1 guilhem lavaux 10866 Jan 24 16:41 config.cpp
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-rw-rw-rw- 1 guilhem lavaux 29967 Dec 21 19:17 cwlex_yy.c
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-rw-rw-rw- 1 guilhem lavaux 14342 Jan 22 19:51 cwy_tab.c
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-r--r--r-- 1 guilhem lavaux 13890 Jan 29 19:18 date.cpp
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-r--r--r-- 1 guilhem lavaux 3989 Feb 8 19:18 datstrm.cpp
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\end{verbatim}
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But on Windows system, it will look like this:
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1999-02-25 15:13:10 -05:00
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\begin{verbatim}
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winamp~1 exe 520196 02-25-1999 19:28 winamp204.exe
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1 file(s) 520 196 bytes
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\end{verbatim}
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2003-01-17 19:16:34 -05:00
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Return value: true if the file list was successfully retrieved, false
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otherwise.
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2000-12-19 12:24:47 -05:00
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\wxheading{See also}
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\helpref{GetFilesList}{wxftpgetfileslist}
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\membersection{wxFTP::GetFilesList}\label{wxftpgetfileslist}
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\func{bool}{GetFilesList}{\param{wxArrayString\& }{files}, \param{const wxString\&}{ wildcard = ""}}
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This function returns the computer-parsable list of the files in the current
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directory (optionally only of the files matching the {\it wildcard}, all files
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by default). This list always has the same format and contains one full
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(including the directory path) file name per line.
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Return value: true if the file list was successfully retrieved, false
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otherwise.
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1999-02-25 15:13:10 -05:00
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% ----------------------------------------------------------------------------
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1999-01-10 15:14:07 -05:00
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\membersection{wxFTP::GetOutputStream}
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1999-01-12 13:28:34 -05:00
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\func{wxOutputStream *}{GetOutputStream}{\param{const wxString\&}{ file}}
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Initializes an output stream to the specified {\it file}. The returned
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stream has all but the seek functionality of wxStreams. When the user finishes
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writing data, he has to delete the stream to close it.
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\wxheading{Return value}
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An initialized write-only stream.
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1999-02-10 15:01:06 -05:00
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\wxheading{See also}
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\helpref{wxOutputStream}{wxoutputstream}
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1999-02-18 16:24:11 -05:00
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1999-02-25 15:13:10 -05:00
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% ----------------------------------------------------------------------------
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\membersection{wxFTP::GetInputStream}\label{wxftpgetinput}
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\func{wxInputStream *}{GetInputStream}{\param{const wxString\&}{ path}}
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2000-03-14 19:21:49 -05:00
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Creates a new input stream on the the specified path. You can use all but the seek
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functionality of wxStream. Seek isn't available on all streams. For example,
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http or ftp streams do not deal with it. Other functions like Tell
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are not available for this sort of stream, at present.
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1999-02-25 15:13:10 -05:00
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You will be notified when the EOF is reached by an error.
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\wxheading{Return value}
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2000-07-15 15:51:35 -04:00
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Returns NULL if an error occurred (it could be a network failure or the fact
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1999-02-25 15:13:10 -05:00
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that the file doesn't exist).
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2000-03-14 19:21:49 -05:00
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Returns the initialized stream. You will have to delete it yourself when you
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don't need it anymore. The destructor closes the DATA stream connection but
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will leave the COMMAND stream connection opened. It means that you can still
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send new commands without reconnecting.
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1999-02-25 15:13:10 -05:00
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\wxheading{Example of a standalone connection (without wxURL)}
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\begin{verbatim}
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wxFTP ftp;
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2000-01-01 06:50:11 -05:00
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wxInputStream *in_stream;
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1999-02-25 15:13:10 -05:00
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char *data;
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ftp.Connect("a.host.domain");
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2000-01-01 06:50:11 -05:00
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ftp.ChDir("a_directory");
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in_stream = ftp.GetInputStream("a_file_to_get");
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1999-02-25 15:13:10 -05:00
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2003-07-03 05:56:57 -04:00
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data = new char[in_stream->GetSize()];
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1999-02-25 15:13:10 -05:00
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2003-07-03 05:56:57 -04:00
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in_stream->Read(data, in_stream->GetSize());
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2000-01-01 06:50:11 -05:00
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if (in_stream->LastError() != wxStream_NOERROR) {
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1999-02-25 15:13:10 -05:00
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// Do something.
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}
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2000-01-01 06:50:11 -05:00
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delete in_stream; /* Close the DATA connection */
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1999-02-25 15:13:10 -05:00
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ftp.Close(); /* Close the COMMAND connection */
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\end{verbatim}
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\wxheading{See also}
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\helpref{wxInputStream}{wxinputstream}
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1999-02-26 17:22:13 -05:00
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