/*
* $Log$
+ * Revision 1.40 2008/02/26 19:00:59 james
+ * *** empty log message ***
+ *
+ * Revision 1.39 2008/02/26 16:54:06 james
+ * *** empty log message ***
+ *
+ * Revision 1.38 2008/02/26 16:53:24 james
+ * *** empty log message ***
+ *
+ * Revision 1.37 2008/02/24 12:22:53 james
+ * *** empty log message ***
+ *
+ * Revision 1.36 2008/02/24 12:22:42 james
+ * *** empty log message ***
+ *
+ * Revision 1.35 2008/02/24 00:42:53 james
+ * *** empty log message ***
+ *
+ * Revision 1.34 2008/02/23 11:48:37 james
+ * *** empty log message ***
+ *
+ * Revision 1.33 2008/02/22 23:39:27 james
+ * *** empty log message ***
+ *
* Revision 1.32 2008/02/22 19:12:05 james
* *** empty log message ***
*
#include "project.h"
#include "syslog.h"
+//static char terminal_reply[]={033,0133,077,066,0143};
+
+#define TABLE_LENGTH 128
+
+static char terminal_id[]="vt102";
+
+/* number of aditional chars after \033 ... to complete the escape if it's fixed length*/
+int vt102_cmd_length[TABLE_LENGTH] = {
+ ['('] = 1,
+ [')'] = 1,
+ ['+'] = 1,
+ ['*'] = 1,
+ ['%'] = 1,
+ ['#'] = 1,
+ ['Y'] = 2,
+};
+
+/* method for determining end if if's not fixed length, -ve numbers from #defines, +ve are literals */
+#define CSI_ENDER -1
+int vt102_cmd_termination[TABLE_LENGTH] = {
+ [']'] = 7,
+ ['['] = CSI_ENDER,
+};
+
+
+
+
static inline int
-safe_ch(int c) {
-if (c<32) return ' ';
-if (c>126) return ' ';
-return c;
+safe_ch (int c)
+{
+ if (c < 32)
+ return ' ';
+ if (c > 126)
+ return ' ';
+ return c;
}
static inline int
return 1;
if ((c >= 'A') && (c <= 'Z'))
return 1;
+ if ((c == '@'))
+ return 1;
return 0;
}
-static inline int
-scs_starter (int c)
-{
- switch (c)
- {
- case '(':
- case ')':
- case '+':
- case '*':
- return 1;
- }
- return 0;
-}
-static inline int
-csi_starter (int c)
+
+/*Stay or enter command acquision and exit after n more chars*/
+void
+redispatch_with_more (VT102_parser * p, int n)
{
- switch (c)
- {
- case '[':
- return 1;
- }
- return 0;
}
static inline int
return;
}
- if (v->pos.y!=v->screen_end.y) v->pos.y++;
+ if (v->pos.y != v->screen_end.y)
+ v->pos.y++;
+ v->pending_wrap = 0;
+}
+
+
+void
+vt102_cursor_retreat_line (Context * c)
+{
+ VT102 *v = c->v;
+ int couldscroll = in_margins (v, v->pos);
+
+/*have wraped off end of last line in scrolling region */
+/* (|| not necessary, but shuts compiler up */
+ if (((v->pos.y == v->top_margin.y) || (v->pos.y == v->screen_start.y)) &&
+ (couldscroll))
+ {
+ vt102_log_line (c, v->pos.y);
+
+ crt_scroll_down (&v->crt, v->top_margin, v->bottom_margin, 1, v->color);
+ return;
+ }
+
+ if (v->pos.y != v->screen_start.y)
+ v->pos.y--;
v->pending_wrap = 0;
}
}
v->pending_wrap++;
if (!c->v->xn_glitch)
- vt102_do_pending_wrap(c);
+ vt102_do_pending_wrap (c);
}
void
-vt102_cursor_retard (VT102 * v)
+vt102_cursor_retreat (VT102 * v)
{
if (v->pos.x != v->top_margin.x)
v->pos.x--;
}
void
-vt102_cursor_retard_tab (VT102 * v)
+vt102_cursor_retreat_tab (VT102 * v)
{
if (v->pos.x == v->top_margin.x)
return;
case VT102_PRIVATE_MODE_ORIGIN_MODE:
vt102_cursor_home (v);
break;
+ case VT102_PRIVATE_MODE_132COLS:
+ /* We don't implement 132 col mode - yet*/
+ v->top_margin = v->screen_start;
+ v->bottom_margin = v->screen_end;
+ vt102_cursor_home(v);
+ crt_cls (&v->crt);
+
+
+ break;
}
}
}
void
-vt102_regular_char (Context * c, VT102 * v, char ch)
+vt102_regular_char (Context * c, VT102 * v, int ch)
{
vt102_do_pending_wrap (c);
v->last_reg_char = ch;
}
-void
-vt102_scs (Context * c, int g, int s)
+vt102_send_id(Context *c,char *buf)
{
-/*Ignoring charsets*/
+
+ if (c->t)
+ {
+ int l=strlen(buf);
+ c->t->xmit (c->t, buf,l);
+ }
}
void
-vt102_parse_esc (Context * c, int ch)
+vt102_scs (Context * c, int g, int s)
{
- VT102 *v = c->v;
- switch (ch)
- {
- case 'E':
- if (v->pos.y == v->bottom_margin.y)
- {
- vt102_log_line (c, v->pos.y);
- vt102_history (c, v->top_margin, v->bottom_margin);
- crt_scroll_up (&v->crt, v->top_margin, v->bottom_margin, 1,v->color);
- }
- else
- {
- vt102_cursor_relative (v, 0, 1);
- }
- break;
- case 'H':
- v->tabs[v->pos.x]++;
- break;
- case 'M':
- if (v->pos.y == v->top_margin.y)
- {
- crt_scroll_down (&v->crt, v->top_margin, v->bottom_margin, 1,v->color);
- }
- else
- {
- vt102_cursor_relative (v, 0, -1);
- }
- break;
- case '7':
- vt102_save_state (v);
- break;
- case '8':
- vt102_restore_state (v);
- break;
- case '=':
- v->application_keypad_mode = 1;
- break;
- case '>':
- v->application_keypad_mode = 0;
- break;
- default:
- log_f (c->l, "<%s:%d unhandled ESC: \\033 \\%03o (ESC %c)>", __FILE__,__LINE__,ch,safe_ch(ch));
-
- ;
- }
+/*Ignoring charsets*/
}
+
void
vt102_parse_csi (Context * c, char *buf, int len)
{
vt102_cursor_advance_tab (c->v);
break;
case 'J':
- if (len == 2)
- narg = 0; /*Different default */
+ if (len == 2)
+ narg = 0; /*Different default */
switch (narg)
{
case 0:
- crt_erase (&v->crt, v->pos, v->screen_end, 1,v->color);
+ crt_erase (&v->crt, v->pos, v->screen_end, 1, v->color);
break;
case 1:
- crt_erase (&v->crt, v->screen_start, v->pos, 1,v->color);
+ crt_erase (&v->crt, v->screen_start, v->pos, 1, v->color);
break;
case 2:
- crt_erase (&v->crt, v->screen_start, v->screen_end, 1,v->color);
+ crt_erase (&v->crt, v->screen_start, v->screen_end, 1,
+ v->color);
break;
}
break;
switch (narg)
{
case 0:
- crt_erase (&v->crt, v->pos, le, 1,v->color);
+ crt_erase (&v->crt, v->pos, le, 1, v->color);
break;
case 1:
- crt_erase (&v->crt, ls, v->pos, 1,v->color);
+ crt_erase (&v->crt, ls, v->pos, 1, v->color);
break;
case 2:
- crt_erase (&v->crt, ls, le, 1,v->color);
+ crt_erase (&v->crt, ls, le, 1, v->color);
break;
}
}
&& (v->pos.y <= v->bottom_margin.y))
{
while (narg--)
- crt_scroll_down (&v->crt, v->pos, v->bottom_margin, 1,v->color);
+ crt_scroll_down (&v->crt, v->pos, v->bottom_margin, 1,
+ v->color);
}
break;
while (narg--)
{
vt102_history (c, v->pos, v->bottom_margin);
- crt_scroll_up (&v->crt, v->pos, v->bottom_margin, 1,v->color);
+ crt_scroll_up (&v->crt, v->pos, v->bottom_margin, 1,
+ v->color);
}
}
break;
while (narg--)
{
vt102_history (c, v->top_margin, v->bottom_margin);
- crt_scroll_up (&v->crt, v->top_margin, v->bottom_margin, 1,v->color);
+ crt_scroll_up (&v->crt, v->top_margin, v->bottom_margin, 1,
+ v->color);
}
break;
case 'T':
while (narg--)
- crt_scroll_down (&v->crt, v->top_margin, v->bottom_margin, 1,v->color);
+ crt_scroll_down (&v->crt, v->top_margin, v->bottom_margin, 1,
+ v->color);
break;
case 'X':
{
CRT_Pos end = v->pos;
- if (!narg) narg++;
+ if (!narg)
+ narg++;
- end.x += narg-1;
+ end.x += narg - 1;
if (end.x > v->bottom_margin.x)
end.x = v->bottom_margin.x;
- crt_erase (&v->crt, v->pos, end, 1,v->color);
+ crt_erase (&v->crt, v->pos, end, 1, v->color);
}
break;
case 'Z':
while (narg--)
- vt102_cursor_retard_tab (c->v);
+ vt102_cursor_retreat_tab (c->v);
break;
case '`':
vt102_cursor_absolute (v, narg - 1, v->pos.y);
vt102_regular_char (c, v, v->last_reg_char);
break;
case 'c':
- //FIXME:
+ vt102_send_id(c,terminal_id);
break;
case 'd':
vt102_cursor_absolute (v, v->pos.x, narg - 1);
}
break;
- case 'i': //4,5 Turn printer on and off WTF?
+ case 'i': //Printer commands
//FIXME
break;
case 'h':
case 'm':
vt102_parse_attr_string (v, &buf[1], len - 1);
break;
- case 'n': // 6 request cursor position
- //FIXME
+ case 'n': //Device status report
+ //5 requestion status
+ // 6 request cursor position FIXME
+ //?15n printer status
break;
+ case 'q': //Load LED on off
+ break;
case 'r':
v->top_margin = v->screen_start;
v->bottom_margin = v->screen_end;
vt102_cursor_normalize (v);
v->pending_wrap = 0;
break;
+ case 'y': //Invoke confidence test
+ break;
default:
- log_f (c->l, "<%s:%d unhandled CSI: \\033%s>", __FILE__,__LINE__,buf);
+ log_f (c->l, "<%s:%d unhandled CSI: \\033%s>", __FILE__, __LINE__,
+ buf);
;
}
break;
default:
- log_f (c->l, "<%s:%d unhandled sequence: \\033%s>", __FILE__,__LINE__,buf);
+ log_f (c->l, "<%s:%d unhandled sequence: \\033%s>", __FILE__,
+ __LINE__, buf);
;
}
+}
+
+void
+vt102_parse_esc (Context * c)
+{
+ VT102 *v = c->v;
+ VT102_parser *p = &v->parser;
+
+#if 1
+p->cmd_buf[p->cmd_ptr]=0;
+log_f (c->l, "<cmd in x=%d y=%d <ESC>%s >",v->pos.x,v->pos.y,p->cmd_buf);
+#endif
+
+#if 0 //VT52
+ switch (p->cmd_buf[0])
+ {
+ case 'A':
+ vt102_cursor_relative (v, 0, -1);
+ break;
+ case 'B':
+ vt102_cursor_relative (v, 0, 1);
+ break;
+ case 'C':
+ vt102_cursor_relative (v, 1, 0);
+ break;
+ case 'D':
+ vt102_cursor_relative (v, -1, 0);
+ break;
+ case 'F':
+ //Set graphics mode
+ break;
+ case 'G':
+ //Quit graphics mode
+ break;
+ case 'H':
+ vt102_cursor_absolute (v, 0, 0);
+ break;
+ case 'I':
+ vt102_cursor_retreat_line (c);
+ break;
+ case 'J':
+ crt_erase (&v->crt, v->pos, v->screen_end, 1, v->color);
+ break;
+ case 'K':
+ {
+ CRT_Pos le = { VT102_COLS - 1, v->pos.y };
+ crt_erase (&v->crt, v->pos, le, 1, v->color);
+ }
+ break;
+ case 'Y':
+ vt102_cursor_absolute (v, p->cmd_buf[2] - 040, p->cmd_buf[1] - 040);
+ break;
+case 'V': //Print current line
+ break;
+case 'W': //Printer on
+ break;
+case 'X': //printer off
+ break;
+case ']'://print screen
+ break;
+case 'Z'://ID
+ vt102_send_id(c,"\033/Z");
+ break;
+ }
+case '^': //Autoprint on
+ break;
+case '_'://Autoprint off
+ break;
+ case '=':
+ v->application_keypad_mode = 1;
+ break;
+ case '>':
+ v->application_keypad_mode = 0;
+ break;
+
+#endif
+
+/*If you edit this switch don't forget to edit the length and termination tables*/
+ switch (p->cmd_buf[0])
+ {
+ case 'D':
+ vt102_cursor_advance_line(c);
+ break;
+
+ case 'E':
+ vt102_cursor_advance_line(c);
+ v->pos.x=v->top_margin.x;
+ vt102_cursor_normalize (v);
+ v->pending_wrap = 0;
+ break;
+ case 'H':
+ v->tabs[v->pos.x]++;
+ break;
+ case 'M':
+ vt102_cursor_retreat_line (c);
+ break;
+ case 'N': //select G2 for one char
+ break;
+ case 'O': //select G3 for one char
+ break;
+ case 'Z':
+ vt102_send_id(c,terminal_id);
+ break;
+ case 'c':
+ vt102_reset(v);
+
+
+ break;
+ case '=':
+ v->application_keypad_mode = 1;
+ break;
+ case '>':
+ v->application_keypad_mode = 0;
+ break;
+
+ case '#':
+ switch (p->cmd_buf[1])
+ {
+ case '3': //top of double height line
+ case '4': //bottom of double height line
+ case '5': //single width line
+ case '6': //double width line
+ break;
+ case '8':
+ /*DECALN*/
+ {
+ int i;
+ crt_erase (&v->crt, v->screen_start, v->screen_end, 1,
+ CRT_COLOR_NORMAL);
+ for (i = 0; i < CRT_ADDR_POS (&v->screen_end); ++i)
+ v->crt.screen[i].chr = 'E';
+ }
+ break;
+ default:
+
+ log_f (c->l,
+ "<%s:%d unhandled ESC: \\033 \\043 \\%03o (ESC # %c)>",
+ __FILE__, __LINE__, p->cmd_buf[1], safe_ch (p->cmd_buf[1]));
+
+ }
+ break;
+ case '<':
+ /*Set ansi mode - ignored */
+ break;
+
+ case '7':
+ vt102_save_state (v);
+ break;
+ case '8':
+ vt102_restore_state (v);
+ break;
+ case ']': /*Set various titles */
+ //FIXME:
+ break;
+ case '[':
+ vt102_parse_csi (c, p->cmd_buf, p->cmd_ptr);
+ break;
+ case '(': /*Charsets */
+ case ')':
+ case '+':
+ case '*':
+ case '%':
+ vt102_scs (c, p->cmd_buf[0], p->cmd_buf[1]);
+ break;
+ default:
+ log_f (c->l, "<%s:%d unhandled ESC: \\033 \\%03o (ESC %c)>", __FILE__,
+ __LINE__, p->cmd_buf[0], safe_ch (p->cmd_buf[0]));
+
+ ;
+ }
+
+p->cmd_buf[p->cmd_ptr]=0;
+log_f (c->l, "<cmd out x=%d y=%d>",v->pos.x,v->pos.y);
}
void
void
vt102_parser_reset (VT102_parser * p)
{
- p->in_csi = 0;
+ p->in_cmd = 0;
+ p->cmd_more_bytes = 0;
+ p->cmd_termination = 0;
p->in_escape = 0;
}
void
-vt102_reset_state(VT102 *v)
+vt102_reset_state (VT102 * v)
{
- vt102_parser_reset(&v->parser);
+ vt102_parser_reset (&v->parser);
v->attr = CRT_ATTR_NORMAL;
v->color = CRT_COLOR_NORMAL;
vt102_reset_tabs (v);
}
+static void
+pre_parse_cmd (int ch, VT102_parser * p)
+{
+ if (ch > TABLE_LENGTH)
+ return;
+ if (ch < 0)
+ return;
+
+ p->cmd_more_bytes = 0;
+ p->in_cmd = 0;
+
+ p->cmd_termination = vt102_cmd_termination[ch];
+ if (p->cmd_termination)
+ {
+ p->in_cmd++;
+ return;
+ }
+
+ p->cmd_more_bytes = vt102_cmd_length[ch];
+
+ if (p->cmd_more_bytes)
+ {
+ p->in_cmd++;
+ return;
+ }
+}
void
vt102_parse_char (Context * c, int ch)
VT102 *v = c->v;
VT102_parser *p = &v->parser;
-#if 1
- log_f (c->l, "char %3d %c pc %d %d %d %2d %2d %d",ch,safe_ch(ch),
- p->in_utf8,p->in_escape, p->in_csi, v->pos.x, v->pos.y,v->pending_wrap);
+#if 0
+ log_f (c->l, "char %3d %c ie=%d ic=%d cmb=%d ct=%3d %2d %2d %d", ch,
+ safe_ch (ch), p->in_escape, p->in_cmd, p->cmd_more_bytes,
+ p->cmd_termination, v->pos.x, v->pos.y, v->pending_wrap);
#endif
- if (ch==SYM_CHAR_RESET) {
- vt102_reset_state(v);
- } else if (p->in_csi)
+/* Turn anything non-ascii into '?' */
+#if 0
+ if ((ch != SYM_CHAR_RESET) && (ch != 0xb9) && (ch > 127))
{
- p->csi_buf[p->csi_ptr++] = ch;
- if (csi_ender (ch) || (p->csi_ptr == VT102_CSI_LEN))
- {
- if (csi_starter (p->csi_buf[0]))
- {
- vt102_parse_csi (c, p->csi_buf, p->csi_ptr);
- }
- else if (scs_starter (p->csi_buf[0]))
- {
- vt102_scs (c, p->csi_buf[0], p->csi_buf[1]);
- }
- else
- {
- log_f (c->l, "<%s:%d no dispatcher for sequence starting \\033 \\%03o (ESC %c)>", __FILE__,__LINE__,p->csi_buf[0],safe_ch(p->csi_buf[0]));
- }
- p->in_csi = 0;
- }
+ ch = '?';
}
- else if (p->in_escape)
+#endif
+
+
+#if 0
+ if (p->dca_ptr == 2)
+ {
+ p->in_dca = 0;
+ }
+#endif
+ if (ch == SYM_CHAR_RESET)
{
- if (csi_starter (ch) || scs_starter (ch))
+ vt102_reset_state (v);
+ }
+ else if (p->in_cmd)
+ {
+ p->cmd_buf[p->cmd_ptr++] = ch;
+ if (p->cmd_more_bytes) {
+ p->cmd_more_bytes--;
+
+
+ if (!p->cmd_more_bytes == 1)
+ p->in_cmd = 0;
+ }
+
+ switch (p->cmd_termination)
{
- p->csi_ptr = 0;
- p->csi_buf[p->csi_ptr++] = ch;
- p->in_csi++;
- p->in_escape = 0;
+ case 0:
+ break;
+ default:
+ if (p->cmd_termination == ch)
+ p->in_cmd = 0;
+ break;
+ case CSI_ENDER:
+ if (csi_ender (ch))
+ p->in_cmd = 0;
+ break;
}
- else
+
+ if (!p->in_cmd)
{
- p->in_escape = 0;
- vt102_parse_esc (c, ch);
+ vt102_parse_esc (c);
+ p->cmd_more_bytes = 0;
+ p->cmd_termination = 0;
}
}
- else if (ch==0x9b) /*One byte CSI*/
+ else if (p->in_escape)
+ {
+
+ p->cmd_ptr = 0;
+ p->cmd_buf[p->cmd_ptr++] = ch;
+ p->in_escape = 0;
+
+ pre_parse_cmd (ch, p);
+
+ if (!p->in_cmd)
+ vt102_parse_esc (c);
+ }
+ else if (ch == 0x9b) /*One byte CSI */
{
- p->csi_ptr = 0;
- p->csi_buf[p->csi_ptr++] = '[';
- p->in_csi++;
- }
+ p->cmd_ptr = 0;
+ p->cmd_buf[p->cmd_ptr++] = '[';
+
+ pre_parse_cmd (ch, p);
+ }
else
{
/*EOT*/ case 4:
break;
/*ENQ*/ case 5:
- if (c->t)
- c->t->xmit (c->t, "vt102", 5);
+ vt102_send_id(c,terminal_id);
break;
/*ACK*/ case 6:
/*BEL*/ case 7:
break;
/*BS*/ case 8:
- vt102_cursor_retard (c->v);
+ vt102_cursor_retreat (c->v);
break;
/*HT*/ case 9:
vt102_cursor_advance_tab (c->v);
/*DEL*/ case 127:
break;
/*regular character */ default:
+#if 1
+ log_f (c->l, "char %3d %c ie=%d ic=%d cmb=%d ct=%3d %2d %2d %d", ch,
+ safe_ch (ch), p->in_escape, p->in_cmd, p->cmd_more_bytes,
+ p->cmd_termination, v->pos.x, v->pos.y, v->pending_wrap);
+#endif
vt102_regular_char (c, v, ch);
}
}
{
VT102_parser *p = &v->parser;
- vt102_parser_reset (p);
- vt102_reset_state(p);
crt_cls (&v->crt);
v->current_line = v->pos;
vt102_reset_tabs (v);
v->current_line = v->pos;
+ vt102_parser_reset (p);
+ vt102_reset_state (v);
+
vt102_save_state (v);
v->last_reg_char = ' ';
}
+
VT102 *
vt102_new (void)
{
v = (VT102 *) malloc (sizeof (VT102));
- v->xn_glitch=1;
+ v->xn_glitch = 1;
vt102_reset (v);
return v;
}
-void vt102_set_ansi(VT102 *v,int ansi)
+void
+vt102_set_ansi (VT102 * v, int ansi)
{
-v->xn_glitch=ansi ? 0:1;
+ v->xn_glitch = ansi ? 0 : 1;
}
void
~ianmdlvl / sympathy.git / blobdiff