Utils/Console/LineEditor.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2009
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   6 //     Stefan Bund <g0dil@berlios.de>
   7 //
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 /** \file
  24     \brief LineEditor non-inline non-template implementation */
  25
  26 #include "LineEditor.hh"
  27 //#include "LineEditor.ih"
  28
  29 // Custom includes
  30 #include "../Logger/SenfLog.hh"
  31
  32 //#include "LineEditor.mpp"
  33 #define prefix_
  34 ///////////////////////////////cc.p////////////////////////////////////////
  35
  36 ///////////////////////////////////////////////////////////////////////////
  37 // senf::console::detail::LineEditorSwitcher
  38
  39 prefix_ senf::console::detail::LineEditorSwitcher::LineEditorSwitcher(Client & client)
  40     : ClientReader(client),
  41       reader_ (new LineEditorClientReader(client, *this))
  42 {}
  43
  44 prefix_ void senf::console::detail::LineEditorSwitcher::editorSetupFailed()
  45 {
  46     // We need to delete the old reader *before* creating the new one such that all old scheduler
  47     // events are removed before installing the new ones.
  48     reader_.reset(0);
  49     reader_.reset(new DumbClientReader(client()));
  50 }
  51
  52 prefix_ void senf::console::detail::LineEditorSwitcher::v_disablePrompt()
  53 {
  54     reader_->disablePrompt();
  55 }
  56
  57 prefix_ void senf::console::detail::LineEditorSwitcher::v_enablePrompt()
  58 {
  59     reader_->enablePrompt();
  60 }
  61
  62 prefix_ void senf::console::detail::LineEditorSwitcher::v_write(std::string const & data)
  63 {
  64     reader_->write(data);
  65 }
  66
  67 ///////////////////////////////////////////////////////////////////////////
  68 // senf::console::detail::LineEditorClientReader
  69
  70 prefix_ senf::console::detail::LineEditorClientReader::
  71 LineEditorClientReader(Client & client, LineEditorSwitcher & switcher)
  72     : term::BaseTelnetProtocol(client.handle()), ClientReader(client),
  73       editor_ (*this, senf::membind(&LineEditorClientReader::executeLine, this)),
  74       switcher_ (&switcher)
  75 {
  76     editor_.prompt(promptString());
  77     editor_.defineKey(senf::term::KeyParser::Ctrl('D'),
  78                       senf::membind(&LineEditorClientReader::deleteCharOrExit, this));
  79 }
  80
  81 prefix_ void senf::console::detail::LineEditorClientReader::v_setupFailed()
  82 {
  83     // Commits suicide
  84     switcher_->editorSetupFailed();
  85 }
  86
  87 prefix_ void senf::console::detail::LineEditorClientReader::v_eof()
  88 {
  89     stopClient();
  90 }
  91
  92 prefix_ void senf::console::detail::LineEditorClientReader::v_disablePrompt()
  93 {
  94     editor_.hide();
  95 }
  96
  97 prefix_ void senf::console::detail::LineEditorClientReader::v_enablePrompt()
  98 {
  99     editor_.show();
 100 }
 101
 102 prefix_ void senf::console::detail::LineEditorClientReader::v_write(std::string const & data)
 103 {
 104     BaseTelnetProtocol::write(data);
 105 }
 106
 107 prefix_ void
 108 senf::console::detail::LineEditorClientReader::executeLine(std::string const & text)
 109 {
 110     handleInput(text);
 111     stream() << std::flush;
 112     editor_.prompt(promptString());
 113     editor_.show();
 114 }
 115
 116 prefix_ void
 117 senf::console::detail::LineEditorClientReader::deleteCharOrExit(term::LineEditor & editor)
 118 {
 119     if (editor.text().empty())
 120         ClientReader::handle().facet<TCPSocketProtocol>().shutdown(TCPSocketProtocol::ShutRD);
 121     else
 122         term::bindings::deleteChar(editor);
 123 }
 124
 125 ///////////////////////////////cc.e////////////////////////////////////////
 126 #undef prefix_
 127 //#include "LineEditor.mpp"
 128
 129 \f
 130 // Local Variables:
 131 // mode: c++
 132 // fill-column: 100
 133 // comment-column: 40
 134 // c-file-style: "senf"
 135 // indent-tabs-mode: nil
 136 // ispell-local-dictionary: "american"
 137 // compile-command: "scons -u test"
 138 // End: