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>

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)
  {
    len = s_receive (socket_client, buf, 255, "");
    pos = 0;

    //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;
}
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
23	int
24	outc(char c)
25	{
26	int retval;
27
28	retval = fprintf(stdout, "%c", c);
29
30	return retval;
31	}
32
33	int
34	prints(const char * format, ...)
35	{
36	va_list args;
37	int retval;
38
39	va_start (args, format);
40	retval = vfprintf (stdout, format, args);
41	va_end (args);
42
43	return retval;
44	}
45
46	int
47	iflush()
48	{
49	int retval;
50
51	retval = fflush (stdout);
52
53	return retval;
54	}
55
56	int
57	igetch ()
58	{
59	static char buf[256];
60	unsigned char c, tmp[256];
61	int out = 0, loop = 1, in_esc = 0, in_ascii = 0, in_control = 0, i = 0, j;
62	static int len = 0 , pos = 0;
63
64	if (pos >= len)
65	{
66	len = s_receive (socket_client, buf, 255, "");
67	pos = 0;
68
69	//For debug
70	for (j = 0; j < len; j++)
71	log_std ("<--[%u]\n", (buf[j] + 256) % 256);
72	}
73
74	while (pos < len)
75	{
76	c = buf[pos++];
77
78	if (c == '\0')
79	{
80	out = c;
81	break;
82	}
83
84	if (c == KEY_CONTROL)
85	{
86	if (in_control == 0)
87	{
88	in_control = 1;
89	i = 0;
90	continue;
91	}
92	}
93
94	if (in_control)
95	{
96	tmp[i++] = c;
97	if (i >= 2)
98	{
99	out = (int)tmp[0] * 256 + tmp[1];
100	in_control = 0;
101	break;
102	}
103	continue;
104	}
105
106	if (c == ESC_KEY)
107	{
108	if (in_esc == 0)
109	{
110	in_esc = 1;
111	in_ascii = 1;
112	i = 0;
113	continue;
114	}
115	else
116	{
117	out = ESC_KEY;
118	in_esc = 0;
119	break;
120	}
121	}
122
123	in_esc = 0;
124
125	if (in_ascii)
126	{
127	tmp[i++] = c;
128	if (c == 'm')
129	{
130	in_ascii = 0;
131	continue;
132	}
133	if (i == 2 && c >= 'A' && c <= 'D')
134	{
135	in_ascii = 0;
136	switch (c)
137	{
138	case 'A':
139	out = KEY_UP;
140	break;
141	case 'B':
142	out = KEY_DOWN;
143	break;
144	case 'C':
145	out = KEY_RIGHT;
146	break;
147	case 'D':
148	out = KEY_LEFT;
149	break;
150	}
151	break;
152	}
153	if (i == 3 && tmp[0] == 91 && tmp[2] == 126)
154	{
155	in_ascii = 0;
156	switch (tmp[1])
157	{
158	case 49:
159	out = KEY_HOME;
160	break;
161	case 51:
162	out = KEY_DEL;
163	break;
164	case 52:
165	out = KEY_END;
166	break;
167	case 53:
168	out = KEY_PGUP;
169	break;
170	case 54:
171	out = KEY_PGDOWN;
172	break;
173	}
174	break;
175	}
176	continue;
177	}
178
179	out = ((int)c + 256) % 256;
180	break;
181	}
182
183	//for debug
184	log_std ("-->[%u]\n", out);
185
186	return out;
187	}
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