source/base.cpp

   1 /* $Id$
   2
   3 This file is part of libmspio
   4 Copyright © 2007 Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7 #include "base.h"
   8 #include "poll.h"
   9
  10 using namespace std;
  11
  12 #include <iostream>
  13
  14 namespace Msp {
  15 namespace IO {
  16
  17 bool Base::getline(string &line)
  18 {
  19         line.clear();
  20
  21         if(eof_flag)
  22                 return false;
  23
  24         while(1)
  25         {
  26                 int c=get();
  27                 if(c==-1 || c=='\n')
  28                         break;
  29                 line+=c;
  30         }
  31
  32         return !eof_flag || !line.empty();
  33 }
  34
  35 int Base::get()
  36 {
  37         char c;
  38         if(do_read(&c, 1)==0)
  39                 return -1;
  40         return static_cast<unsigned char>(c);
  41 }
  42
  43 void Base::event(PollEvent ev)
  44 {
  45         if(ev&P_INPUT)
  46                 signal_data_available.emit();
  47
  48         on_event(ev);
  49 }
  50
  51 Base::~Base()
  52 {
  53         signal_deleted.emit();
  54 }
  55
  56 Base::Base():
  57         mode(M_READ),
  58         events(P_NONE),
  59         eof_flag(false)
  60 { }
  61
  62 void Base::set_events(PollEvent e)
  63 {
  64         //cout<<"object "<<this<<" set_events "<<e<<'\n';
  65         events=e;
  66         signal_events_changed.emit(events);
  67 }
  68
  69 } // namespace IO
  70 } // namespace Msp