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 namespace Msp {
  13 namespace IO {
  14
  15 bool Base::getline(string &line)
  16 {
  17         line.clear();
  18
  19         if(eof_flag)
  20                 return false;
  21
  22         while(1)
  23         {
  24                 int c = get();
  25                 if(c==-1 || c=='\n')
  26                         break;
  27                 line += c;
  28         }
  29
  30         return !eof_flag || !line.empty();
  31 }
  32
  33 int Base::get()
  34 {
  35         char c;
  36         if(do_read(&c, 1)==0)
  37                 return -1;
  38         return static_cast<unsigned char>(c);
  39 }
  40
  41 void Base::event(PollEvent ev)
  42 {
  43         if(ev&P_INPUT)
  44                 signal_data_available.emit();
  45
  46         on_event(ev);
  47 }
  48
  49 Base::~Base()
  50 {
  51         signal_deleted.emit();
  52 }
  53
  54 Base::Base():
  55         mode(M_READ),
  56         events(P_NONE),
  57         eof_flag(false)
  58 { }
  59
  60 void Base::set_events(PollEvent e)
  61 {
  62         events = e;
  63         signal_events_changed.emit(events);
  64 }
  65
  66 } // namespace IO
  67 } // namespace Msp