lbbs/src/io.c

/***************************************************************************
                            io.c  -  description
                             -------------------
    begin                : Mon Oct 18 2004
    copyright            : (C) 2004 by Leaflet
    email                : leaflet@leafok.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "io.h"
#include "common.h"
#include <stdio.h>
#include <stdarg.h>
#include <sys/ioctl.h>

int
outc (char c)
{
  int retval;

  retval = fprintf (stdout, "%c", c);

  return retval;
}

int
prints (const char *format, ...)
{
  va_list args;
  int retval;

  va_start (args, format);
  retval = vfprintf (stdout, format, args);
  va_end (args);

  return retval;
}

int
iflush ()
{
  int retval;

  retval = fflush (stdout);

  return retval;
}

int
igetch ()
{
  static char buf[256];
  unsigned char c, tmp[256];
  int out = 0, loop = 1, in_esc = 0, in_ascii = 0, in_control = 0, i = 0, j;
  static int len = 0, pos = 0;

  if (pos >= len)
    {
      pos = 0;

      //len = s_receive (socket_client, buf, 255, "");
      len = read (0, buf, 255);

      //For debug
      //for (j = 0; j < len; j++)
      //  log_std ("<--[%u]\n", (buf[j] + 256) % 256);
    }

  while (pos < len)
    {
      c = buf[pos++];

      if (c == '\0')
        {
          out = c;
          break;
        }

      if (c == KEY_CONTROL)
        {
          if (in_control == 0)
            {
              in_control = 1;
              i = 0;
              continue;
            }
        }

      if (in_control)
        {
          tmp[i++] = c;
          if (i >= 2)
            {
              out = (int) tmp[0] * 256 + tmp[1];
              in_control = 0;
              break;
            }
          continue;
        }

      if (c == ESC_KEY)
        {
          if (in_esc == 0)
            {
              in_esc = 1;
              in_ascii = 1;
              i = 0;
              continue;
            }
          else
            {
              out = ESC_KEY;
              in_esc = 0;
              break;
            }
        }

      in_esc = 0;

      if (in_ascii)
        {
          tmp[i++] = c;
          if (c == 'm')
            {
              in_ascii = 0;
              continue;
            }
          if (i == 2 && c >= 'A' && c <= 'D')
            {
              in_ascii = 0;
              switch (c)
                {
                case 'A':
                  out = KEY_UP;
                  break;
                case 'B':
                  out = KEY_DOWN;
                  break;
                case 'C':
                  out = KEY_RIGHT;
                  break;
                case 'D':
                  out = KEY_LEFT;
                  break;
                }
              break;
            }
          if (i == 3 && tmp[0] == 91 && tmp[2] == 126)
            {
              in_ascii = 0;
              switch (tmp[1])
                {
                case 49:
                  out = KEY_HOME;
                  break;
                case 51:
                  out = KEY_DEL;
                  break;
                case 52:
                  out = KEY_END;
                  break;
                case 53:
                  out = KEY_PGUP;
                  break;
                case 54:
                  out = KEY_PGDOWN;
                  break;
                }
              break;
            }
          continue;
        }

      out = ((int) c + 256) % 256;
      break;
    }

  //for debug
  //log_std ("-->[%u]\n", out);

  return out;
}

int
ikbhit ()
{
  int len;

  ioctl (0, FIONREAD, &len);

  return len;
}
1	sysadm	1.1	/***************************************************************************
2			io.c - description
3			-------------------
4			begin : Mon Oct 18 2004
5			copyright : (C) 2004 by Leaflet
6			email : leaflet@leafok.com
7			***************************************************************************/
8
9			/***************************************************************************
10			* *
11			* This program is free software; you can redistribute it and/or modify *
12			* it under the terms of the GNU General Public License as published by *
13			* the Free Software Foundation; either version 2 of the License, or *
14			* (at your option) any later version. *
15			* *
16			***************************************************************************/
17
18			#include "io.h"
19			#include "common.h"
20			#include <stdio.h>
21			#include <stdarg.h>
22	sysadm	1.5	#include <sys/ioctl.h>
23	sysadm	1.1
24			int
25	sysadm	1.6	outc (char c)
26	sysadm	1.1	{
27			int retval;
28
29	sysadm	1.6	retval = fprintf (stdout, "%c", c);
30	sysadm	1.1
31			return retval;
32			}
33
34			int
35	sysadm	1.6	prints (const char *format, ...)
36	sysadm	1.1	{
37			va_list args;
38			int retval;
39
40			va_start (args, format);
41			retval = vfprintf (stdout, format, args);
42			va_end (args);
43
44			return retval;
45			}
46
47			int
48	sysadm	1.6	iflush ()
49	sysadm	1.1	{
50			int retval;
51	sysadm	1.6
52	sysadm	1.1	retval = fflush (stdout);
53	sysadm	1.6
54	sysadm	1.1	return retval;
55			}
56
57			int
58			igetch ()
59			{
60			static char buf[256];
61	sysadm	1.3	unsigned char c, tmp[256];
62			int out = 0, loop = 1, in_esc = 0, in_ascii = 0, in_control = 0, i = 0, j;
63	sysadm	1.6	static int len = 0, pos = 0;
64	sysadm	1.1
65			if (pos >= len)
66	sysadm	1.6	{
67			pos = 0;
68	sysadm	1.2
69	sysadm	1.6	//len = s_receive (socket_client, buf, 255, "");
70			len = read (0, buf, 255);
71	sysadm	1.5
72	sysadm	1.6	//For debug
73			//for (j = 0; j < len; j++)
74			// log_std ("<--[%u]\n", (buf[j] + 256) % 256);
75			}
76	sysadm	1.1
77			while (pos < len)
78			{
79			c = buf[pos++];
80
81			if (c == '\0')
82	sysadm	1.6	{
83			out = c;
84			break;
85			}
86	sysadm	1.1
87	sysadm	1.3	if (c == KEY_CONTROL)
88	sysadm	1.6	{
89			if (in_control == 0)
90			{
91			in_control = 1;
92			i = 0;
93			continue;
94			}
95			}
96
97	sysadm	1.3	if (in_control)
98	sysadm	1.6	{
99			tmp[i++] = c;
100			if (i >= 2)
101			{
102			out = (int) tmp[0] * 256 + tmp[1];
103			in_control = 0;
104			break;
105			}
106			continue;
107			}
108	sysadm	1.3
109	sysadm	1.1	if (c == ESC_KEY)
110			{
111			if (in_esc == 0)
112			{
113			in_esc = 1;
114			in_ascii = 1;
115			i = 0;
116			continue;
117			}
118			else
119			{
120			out = ESC_KEY;
121			in_esc = 0;
122			break;
123			}
124			}
125
126			in_esc = 0;
127
128			if (in_ascii)
129			{
130			tmp[i++] = c;
131			if (c == 'm')
132			{
133			in_ascii = 0;
134			continue;
135			}
136			if (i == 2 && c >= 'A' && c <= 'D')
137			{
138			in_ascii = 0;
139			switch (c)
140			{
141			case 'A':
142			out = KEY_UP;
143			break;
144			case 'B':
145			out = KEY_DOWN;
146			break;
147			case 'C':
148	sysadm	1.2	out = KEY_RIGHT;
149			break;
150			case 'D':
151	sysadm	1.1	out = KEY_LEFT;
152			break;
153	sysadm	1.2	}
154			break;
155			}
156			if (i == 3 && tmp[0] == 91 && tmp[2] == 126)
157			{
158			in_ascii = 0;
159			switch (tmp[1])
160			{
161			case 49:
162			out = KEY_HOME;
163			break;
164	sysadm	1.4	case 51:
165			out = KEY_DEL;
166			break;
167	sysadm	1.2	case 52:
168			out = KEY_END;
169			break;
170			case 53:
171			out = KEY_PGUP;
172			break;
173			case 54:
174			out = KEY_PGDOWN;
175	sysadm	1.1	break;
176			}
177			break;
178			}
179			continue;
180			}
181
182	sysadm	1.6	out = ((int) c + 256) % 256;
183	sysadm	1.1	break;
184			}
185
186			//for debug
187	sysadm	1.5	//log_std ("-->[%u]\n", out);
188	sysadm	1.1
189			return out;
190			}
191	sysadm	1.5
192			int
193	sysadm	1.6	ikbhit ()
194	sysadm	1.5	{
195			int len;
196	sysadm	1.6
197	sysadm	1.5	ioctl (0, FIONREAD, &len);
198	sysadm	1.6
199	sysadm	1.5	return len;
200			}
webmaster@leafok.com	ViewVC Help
Powered by ViewVC 1.3.0-beta1