v2/chuck_console.cpp

   1 /*----------------------------------------------------------------------------
   2     ChucK Concurrent, On-the-fly Audio Programming Language
   3       Compiler and Virtual Machine
   4
   5     Copyright (c) 2004 Ge Wang and Perry R. Cook.  All rights reserved.
   6       http://chuck.cs.princeton.edu/
   7       http://soundlab.cs.princeton.edu/
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17     GNU General Public License for more details.
  18
  19     You should have received a copy of the GNU General Public License
  20     along with this program; if not, write to the Free Software
  21     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22     U.S.A.
  23 -----------------------------------------------------------------------------*/
  24
  25 //-----------------------------------------------------------------------------
  26 // file: chuck_console.cpp
  27 // desc: ...
  28 //
  29 // author: Spencer Salazar (ssalazar@princeton.edu)
  30 // date: Autumn 2005
  31 //-----------------------------------------------------------------------------
  32 #include "chuck_console.h"
  33 #include "util_console.h"
  34
  35
  36 //-----------------------------------------------------------------------------
  37 // name: Chuck_Console()
  38 // desc: ...
  39 //-----------------------------------------------------------------------------
  40 Chuck_Console::Chuck_Console()
  41 {
  42 }
  43
  44
  45 //-----------------------------------------------------------------------------
  46 // name: ~Chuck_Console()
  47 // desc: ...
  48 //-----------------------------------------------------------------------------
  49 Chuck_Console::~Chuck_Console()
  50 {
  51 }
  52
  53
  54 //-----------------------------------------------------------------------------
  55 // name: init()
  56 // desc: ...
  57 //-----------------------------------------------------------------------------
  58 t_CKBOOL Chuck_Console::init()
  59 {
  60     return TRUE;
  61 }
  62
  63
  64 //-----------------------------------------------------------------------------
  65 // name: nextCommand()
  66 // desc: ...
  67 //-----------------------------------------------------------------------------
  68 t_CKBOOL Chuck_Console::next_command( const string & prompt, string & out )
  69 {
  70     // the line read
  71     char * line_read = NULL;
  72
  73     // read the next line
  74     line_read = io_readline( prompt.c_str() );
  75
  76     // check to see if EOF encountered
  77     // do we need more return codes to differentiate between
  78     // EOF encountered vs. empty line?
  79     if( line_read == NULL )
  80     {
  81         out = "";
  82         return FALSE;
  83     }
  84
  85     // check first character
  86     if( *line_read != 0 )
  87         io_addhistory( line_read );
  88
  89     // copy the result
  90     out = line_read;
  91
  92     // free the thing
  93     free( line_read );
  94
  95     return TRUE;
  96 }
  97
  98
  99 //-----------------------------------------------------------------------------
 100 // name: nextResult()
 101 // desc: ...
 102 //-----------------------------------------------------------------------------
 103 void Chuck_Console::next_result( const Chuck_Shell_Response &in )
 104 {
 105     fputs( in.c_str(), stdout );
 106 }
 107
 108
 109