/*
* $Log$
+ * Revision 1.10 2008/02/06 17:53:28 james
+ * *** empty log message ***
+ *
+ * Revision 1.9 2008/02/06 15:53:22 james
+ * *** empty log message ***
+ *
+ * Revision 1.8 2008/02/06 11:49:47 james
+ * *** empty log message ***
+ *
+ * Revision 1.7 2008/02/06 11:30:37 james
+ * *** empty log message ***
+ *
+ * Revision 1.6 2008/02/05 01:11:46 james
+ * *** empty log message ***
+ *
+ * Revision 1.5 2008/02/04 20:23:55 james
+ * *** empty log message ***
+ *
+ * Revision 1.4 2008/02/04 05:45:55 james
+ * ::
+ *
* Revision 1.3 2008/02/04 02:05:06 james
* *** empty log message ***
*
CTRL-J
CTRL-M
CTRL-N
-CTRL-O
+CTRL-O
ESC7
ESC8
ESCH
ESC[7m
ESC[%d;%dr
-ESC(B
-ESC)0
ESC[?3l
ESC[?4l
ESC[?7l
ESC[?8h
+ESC(B
+ESC)0
+
+
+TODO:
+
+ESC(B
+ESC)0
+
+CTRL-O
+
+ESC7
+ESC8
+ESCH
+ESCM
+ESC>
+
*/
#include "project.h"
+
static inline int
csi_ender (int c)
{
return 0;
}
+static inline int
+in_margins (VT102 * v, CRT_Pos p)
+{
+ if (v->pos.x < v->top_margin.x)
+ return 0;
+ if (v->pos.y < v->top_margin.y)
+ return 0;
+
+ if (v->pos.x > v->bottom_margin.x)
+ return 0;
+ if (v->pos.y > v->bottom_margin.y)
+ return 0;
+
+ return 1;
+}
+
+void
+vt102_log_line (VT102 * v, int line)
+{
+ static FILE *log;
+ CRT_Pos e = { VT102_COLS - 1, line };
+ CRT_Pos p = { 0, line };
+
+ if (!log)
+ log=fopen("log","a+");
+
+ if (!log) return;
+
+
+ for (; e.x > 0; --e.x)
+ {
+ if (v->crt.screen[CRT_ADDR_POS (&e)].chr != ' ')
+ break;
+ }
+
+ for (; p.x <= e.x; ++p.x)
+ {
+ int c = v->crt.screen[CRT_ADDR_POS (&p)].chr;
+ if (c < 32)
+ c = ' ';
+ if (c > 126)
+ c = ' ';
+ fputc (c, log);
+ }
+ fputc ('\n', log);
+}
+
+void
+vt102_clip_cursor (VT102 * v, CRT_Pos tl, CRT_Pos br)
+{
+ if (v->pos.x < tl.x)
+ v->pos.x = tl.x;
+ if (v->pos.y < tl.y)
+ v->pos.y = tl.y;
+
+ if (v->pos.x > br.x)
+ v->pos.x = br.x;
+ if (v->pos.y > br.y)
+ v->pos.y = br.y;
+}
+
+
+void
+vt102_cursor_normalize (VT102 * v)
+{
+ CRT_Pos *top, *bottom;
+
+ if (v->private_modes[VT102_PRIVATE_MODE_ORIGIN_MODE])
+ {
+ vt102_clip_cursor (v, v->top_margin, v->bottom_margin);
+ }
+ else
+ {
+ vt102_clip_cursor (v, v->screen_start, v->screen_end);
+ }
+}
+
+
+void
+vt102_cursor_carriage_return (VT102 * v)
+{
+ /*FISH*/ v->pos.x = v->top_margin.x;
+ v->pending_wrap = 0;
+}
+
+void
+vt102_cursor_advance_line (VT102 * 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->bottom_margin.y) || (v->pos.y == v->screen_end.y)) &&
+ (couldscroll))
+ {
+ vt102_log_line (v, v->pos.y);
+ crt_scroll_up (&v->crt, v->top_margin, v->bottom_margin, 1);
+ return;
+ }
+
+ v->pos.y++;
+ v->pending_wrap = 0;
+}
+
+
+void
+vt102_cursor_advance (VT102 * v)
+{
+
+ if (v->pos.x < v->bottom_margin.x)
+ {
+/*Normal advance*/
+ v->pos.x++;
+ v->pending_wrap = 0;
+ return;
+ }
+ v->pending_wrap++;
+}
+
+
+void
+vt102_do_pending_wrap (VT102 * v)
+{
+ int couldscroll = in_margins (v, v->pos);
+ int autowrap = v->private_modes[VT102_PRIVATE_MODE_AUTO_WRAP];
+
+ if (!v->pending_wrap)
+ return;
+
+#if 0
+ fprintf (stderr, "ca: (%d,%d) autowrap %d couldscroll %d\n", v->pos.x,
+ v->pos.y, autowrap, couldscroll);
+#endif
+
+/*End of line but no autowrap, nothing to do*/
+ if (!autowrap)
+ return;
+
+/*End of screen and not allowed to scroll, nothing to do*/
+ if ((v->pos.y == v->screen_end.y) && (!couldscroll))
+ return;
+
+ if (couldscroll)
+ {
+ v->pos.x = v->top_margin.x;
+ }
+ else
+ {
+ v->pos.x = 0;
+ }
+
+ vt102_cursor_advance_line (v);
+}
+
+
+void
+vt102_cursor_retard (VT102 * v)
+{
+ if (v->pos.x != v->top_margin.x)
+ v->pos.x--;
+
+ v->pending_wrap = 0;
+}
+
+void
+vt102_reset_tabs (VT102 * v)
+{
+ int i;
+
+ memset (v->tabs, 0, sizeof (v->tabs));
+
+ for (i = 0; i < VT102_COLS; i += 8)
+ {
+ v->tabs[i]++;
+ }
+}
+void
+vt102_cursor_advance_tab (VT102 * v)
+{
+ if (v->pos.x == v->bottom_margin.x)
+ return;
+ while (v->pos.x < v->bottom_margin.x)
+ {
+ v->pos.x++;
+ if (v->tabs[v->pos.x])
+ break;
+ }
+ v->pending_wrap = 0;
+}
+
+vt102_cursor_home (VT102 * v)
+{
+ v->pos = v->top_margin;
+ vt102_cursor_normalize (v);
+ v->pending_wrap = 0;
+
+}
+
+vt102_cursor_absolute (VT102 * v, int x, int y)
+{
+ if (v->private_modes[VT102_PRIVATE_MODE_ORIGIN_MODE])
+ {
+ v->pos.x = x + v->top_margin.x;
+ v->pos.y = y + v->top_margin.x;
+ }
+ else
+ {
+ v->pos.x = x;
+ v->pos.y = y;
+ }
+ vt102_cursor_normalize (v);
+ v->pending_wrap = 0;
+}
+
+vt102_cursor_relative (VT102 * v, int x, int y)
+{
+ v->pos.x += x;
+ v->pos.y += y;
+ vt102_cursor_normalize (v);
+ v->pending_wrap = 0;
+}
+
+
+
+void
+vt102_delete_from_line (VT102 * v, CRT_Pos p)
+{
+ int n = v->bottom_margin.x - p.x;
+
+ if (n < 0)
+ return;
+
+ if (n)
+ {
+
+ memmove (&v->crt.screen[CRT_ADDR_POS (&p)],
+ &v->crt.screen[CRT_ADDR_POS (&p) + 1], sizeof (CRT_CA) * n);
+ }
+
+ v->crt.screen[CRT_ADDR (p.y, v->bottom_margin.x)].chr = ' ';
+/*But not attr due to vt102 bug*/
+}
+
+void
+vt102_insert_into_line (VT102 * v, CRT_Pos p)
+{
+ int n = v->bottom_margin.x - p.x;
+
+ if (n < 0)
+ return;
+
+ if (n)
+ {
+
+ memmove (&v->crt.screen[CRT_ADDR_POS (&p) + 1],
+ &v->crt.screen[CRT_ADDR_POS (&p)], sizeof (CRT_CA) * n);
+ }
+
+ v->crt.screen[CRT_ADDR (p.y, v->bottom_margin.x)].chr = ' ';
+ v->crt.screen[CRT_ADDR (p.y, v->bottom_margin.x)].attr = CRT_ATTR_NORMAL;
+}
+
+
+
void
-vt102_cursor_normalize (VT102 * v, int wrap, int scroll)
+vt102_change_mode (VT102 * v, int private, char *ns, int set)
{
- if (v->pos.x < -1) /*don't wrap backwards */
- v->pos.x = 0;
+ int m;
+
+
+ if (*ns)
+ {
+ m = atoi (ns);
+ }
+ else
+ {
+ m = 1;
+ }
+
+ if (m < 0)
+ return;
+ if (m >= VT102_NMODES)
+ return;
- if (v->pos.x >= CRT_COLS)
+ if (private)
{
- if (wrap)
+ v->private_modes[m] = set;
+ switch (m)
{
- v->pos.x = 0;
- v->pos.y++;
+ case VT102_PRIVATE_MODE_ORIGIN_MODE:
+ vt102_cursor_home (v);
+ break;
}
- else
+
+ }
+ else
+ v->modes[m] = set;
+
+#if 0
+ fprintf (stderr, "mode set=%d private=%d num=%d\n", set, private, m);
+#endif
+}
+
+void
+vt102_parse_mode_string (VT102 * v, char *buf, int len)
+{
+ int private = 0;
+ char last = buf[len - 1];
+ char num[4];
+ int o;
+
+ memset (num, 0, sizeof (num));
+ o = sizeof (num) - 1;
+
+ len--;
+
+ if (*buf == '?')
+ {
+ private++;
+ buf++;
+ len--;
+ }
+
+ if (len < 0)
+ return;
+
+ while (len--)
+ {
+ if (*buf == ';')
{
- v->pos.x = CRT_COLS - 1;
+ vt102_change_mode (v, private, &num[o], last == 'h');
+ memset (num, 0, sizeof (num));
+ o = sizeof (num) - 1;
+ buf++;
+ continue;
}
+
+ num[0] = num[1];
+ num[1] = num[2];
+ num[2] = *buf;
+
+ if (o)
+ o--;
+
+ buf++;
}
- if (v->pos.y < 0)
- v->pos.y = 0;
+ vt102_change_mode (v, private, &num[o], last == 'h');
+
+}
- if (v->pos.y >= CRT_ROWS)
+
+void
+vt102_change_attr (VT102 * v, char *na)
+{
+ int a;
+
+
+ if (*na)
+ {
+ a = atoi (na);
+ }
+ else
{
- if (scroll)
- vt102_scroll (v, 0, CRT_ROWS - 1);
- v->pos.y = CRT_ROWS - 1;
+ a = 0;
}
+
+ switch (a)
+ {
+ case 0:
+ v->attr = CRT_ATTR_NORMAL;
+ break;
+ case 1:
+ v->attr |= CRT_ATTR_BOLD;
+ break;
+ case 21:
+ case 22:
+ v->attr &= ~CRT_ATTR_BOLD;
+ break;
+ case 4:
+ v->attr |= CRT_ATTR_UNDERLINE;
+ break;
+ case 24:
+ v->attr &= ~CRT_ATTR_UNDERLINE;
+ break;
+ case 5:
+ v->attr |= CRT_ATTR_BLINK;
+ break;
+ case 25:
+ v->attr &= ~CRT_ATTR_BLINK;
+ break;
+ case 7:
+ v->attr |= CRT_ATTR_REVERSE;
+ break;
+ case 27:
+ v->attr &= ~CRT_ATTR_REVERSE;
+ break;
+ default:
+ ;
+#if 0
+ fprintf (stderr, "unhandled SGR %d\n", a);
+#endif
+ }
+
}
void
-vt102_cursor_motion (VT102 * v, int x, int y, int wrap, int scroll)
+vt102_parse_attr_string (VT102 * v, char *buf, int len)
{
- while (x > 0)
+ int private = 0;
+ char last = buf[len - 1];
+ char num[4];
+ int o;
+
+ memset (num, 0, sizeof (num));
+ o = sizeof (num) - 1;
+
+ len--;
+
+ if (len < 0)
+ return;
+
+ while (len--)
{
- x--;
- v->pos.x++;
- vt102_cursor_normalize (v, wrap, scroll);
+ if (*buf == ';')
+ {
+ vt102_change_attr (v, &num[o]);
+ memset (num, 0, sizeof (num));
+ o = sizeof (num) - 1;
+ buf++;
+ continue;
+ }
+
+ num[0] = num[1];
+ num[1] = num[2];
+ num[2] = *buf;
+
+ if (o)
+ o--;
+
+ buf++;
}
+ vt102_change_attr (v, &num[o]);
+}
+
+void vt102_save_state(VT102 *v)
+{
+v->saved.pos=v->pos;
+v->saved.attr=v->attr;
+v->saved.origin_mode=v->private_modes[VT102_PRIVATE_MODE_ORIGIN_MODE];
+}
+
+void vt102_restore_state(VT102 *v)
+{
+v->pos=v->saved.pos;
+v->attr=v->saved.attr;
+v->private_modes[VT102_PRIVATE_MODE_ORIGIN_MODE]=v->saved.origin_mode;
+vt102_cursor_normalize(v);
+v->pending_wrap = 0;
+}
- while (x < 0)
+void
+vt102_parse_esc (VT102 * v, int c)
+{
+ switch (c)
{
- x++;
- v->pos.x--;
- vt102_cursor_normalize (v, wrap, scroll);
+case 'E':
+ if(v->pos.y==v->bottom_margin.y) {
+ vt102_log_line (v, v->pos.y);
+ crt_scroll_up (&v->crt, v->top_margin, v->bottom_margin, 1);
+ } 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);
+ } else {
+ vt102_cursor_relative(v,0,-1);
+ }
+ break;
+case '7':
+ vt102_save_state(v);
+ break;
+case '8':
+ vt102_restore_state(v);
+ break;
+#if 0
+ case '=':
+ case '>':
+ {
+ char s[] = { 033, c };
+/*Horrid hack for the moment in testing change the key mode of the upstream te*/
+ write (1, s, 2);
+ }
+ break;
+#endif
+ default:
+#if 0
+ fprintf (stderr, "unhandled ESC \\033 \\%03o (ESC %c)\n", c,
+ (c < 32) ? '?' : c);
+#endif
+ ;
}
+}
+void
+vt102_parse_csi (VT102 * v, char *buf, int len)
+{
+ char last;
+ char *ptr;
+ char *arg = buf + 1;
+ int narg;
+
+ buf[len] = 0;
+
+ last = buf[len - 1];
+#if 0
+ buf[len - 1] = 0;
+#endif
- while (y > 0)
+ if (len > 2)
{
- y--;
- v->pos.y++;
- vt102_cursor_normalize (v, wrap, scroll);
+ narg = atoi (arg);
+ }
+ else
+ {
+ narg = 1;
}
- while (y < 0)
+ switch (buf[0])
{
- y++;
- v->pos.y--;
- vt102_cursor_normalize (v, wrap, scroll);
+ case '[':
+ switch (last)
+ {
+ case 'A':
+ vt102_cursor_relative (v, 0, -narg);
+ break;
+ case 'B':
+ vt102_cursor_relative (v, 0, narg);
+ break;
+ case 'C':
+ vt102_cursor_relative (v, narg, 0);
+ break;
+ case 'D':
+ vt102_cursor_relative (v, -narg, 0);
+ break;
+ case 'E':
+ vt102_cursor_relative (v, 0, narg);
+ vt102_cursor_carriage_return (v);
+ break;
+ case 'F':
+ vt102_cursor_relative (v, 0, -narg);
+ vt102_cursor_carriage_return (v);
+ break;
+ case 'G':
+ vt102_cursor_absolute (v, narg-1, v->pos.y);
+ break;
+ case 'H':
+ case 'f':
+ {
+ int x, y;
+
+ y = narg - 1;
+
+ ptr = index (arg, ';');
+ if (ptr)
+ x = atoi (ptr + 1) - 1;
+ else
+ x = 0;
+
+ vt102_cursor_absolute (v, x, y);
+ }
+ break;
+ case 'J':
+ switch (narg)
+ {
+ case 1:
+ crt_erase (&v->crt, v->pos, v->screen_end, 1);
+ break;
+ case 2:
+ crt_erase (&v->crt, v->screen_start, v->screen_end, 1);
+ break;
+ }
+ break;
+ case 'K':
+ {
+ CRT_Pos ls = { 0, v->pos.y };
+ CRT_Pos le = { VT102_COLS - 1, v->pos.y };
+ if (len == 2)
+ narg = 0; /*Different default */
+
+ switch (narg)
+ {
+ case 0:
+ crt_erase (&v->crt, v->pos, le, 1);
+ break;
+ case 1:
+ crt_erase (&v->crt, ls, v->pos, 1);
+ break;
+ case 2:
+ crt_erase (&v->crt, ls, le, 1);
+ break;
+ }
+ }
+ break;
+
+ case 'P':
+ while (narg--)
+ vt102_delete_from_line (v, v->pos);
+ break;
+ case 'L':
+ if ((v->pos.y >= v->top_margin.y)
+ && (v->pos.y <= v->bottom_margin.y))
+ {
+ while (narg--)
+ crt_scroll_down (&v->crt, v->pos, v->bottom_margin, 1);
+ }
+ break;
+
+ case 'M':
+ if ((v->pos.y >= v->top_margin.y)
+ && (v->pos.y <= v->bottom_margin.y))
+ {
+ while (narg--)
+ crt_scroll_up (&v->crt, v->pos, v->bottom_margin, 0);
+ }
+ break;
+
+ case 'g':
+ if (len == 2)
+ narg = 0; /*Different default */
+
+ switch (narg)
+ {
+ case 0:
+ v->tabs[v->pos.x] = 0;
+ break;
+ case 3:
+ memset (v->tabs, 0, sizeof (v->tabs));
+ break;
+ }
+ break;
+
+ case 'h':
+ case 'l':
+ vt102_parse_mode_string (v, &buf[1], len - 1);
+ break;
+
+ case 'm':
+ vt102_parse_attr_string (v, &buf[1], len - 1);
+ break;
+ case 'r':
+ v->top_margin = v->screen_start;
+ v->bottom_margin = v->screen_end;
+
+ if ((len > 2) && (ptr = index (arg, ';')))
+ {
+ ptr++;
+ v->top_margin.y = narg - 1;
+ v->bottom_margin.y = atoi (ptr) - 1;
+ }
+
+ if (v->top_margin.y < v->screen_start.y)
+ v->top_margin.y = v->screen_start.y;
+ if (v->top_margin.y > v->screen_end.y)
+ v->top_margin.y = v->screen_end.y;
+ if (v->bottom_margin.y < v->screen_start.y)
+ v->bottom_margin.y = v->screen_start.y;
+ if (v->bottom_margin.y > v->screen_end.y)
+ v->bottom_margin.y = v->screen_end.y;
+
+ vt102_cursor_home (v);
+ break;
+ case 's':
+ v->saved.pos=v->pos;
+ break;
+ case 'u':
+ v->pos=v->saved.pos;
+ vt102_cursor_normalize(v);
+ v->pending_wrap = 0;
+ break;
+
+ default:
+#if 0
+ fprintf (stderr, "unhandled CSI \\033%s\n", buf, buf[0]);
+#endif
+ ;
+ }
+ break;
+ default:
+#if 0
+ fprintf (stderr, "unhandled CSI \\033%s\n", buf, buf[0]);
+#endif
+ ;
+ }
+
+
+
+}
+
+void
+vt102_status_line (VT102 * v, char *str)
+{
+ int i = VT102_COLS;
+ CRT_CA *ca = &v->crt.screen[CRT_ADDR (VT102_STATUS_ROW, 0)];
+
+ while (i--)
+ {
+ ca->attr = CRT_ATTR_REVERSE;
+ ca->chr = *str;
+ if (*str)
+ str++;
+ ca++;
}
+
}
{
VT102_parser *p = &v->parser;
-
+#if 0
+ fprintf (stderr, "char %c pc %d %d %d %d %d\n", (c < 32) ? 32 : c, c,
+ p->in_csi, p->in_escape, v->pos.x, v->pos.y);
+#endif
if (p->in_csi)
{
p->csi_buf[p->csi_ptr++] = c;
/*STX*/ case 2:
/*ETX*/ case 3:
/*EOT*/ case 4:
+ break;
/*ENQ*/ case 5:
+ /*FIXME: Should send ack*/
+ break;
/*ACK*/ case 6:
/*BEL*/ case 7:
+ break;
/*BS*/ case 8:
- vt102_cursor_motion (v, -1, 0, 0, 0);
+ vt102_cursor_retard (v);
break;
/*HT*/ case 9:
+ vt102_cursor_advance_tab (v);
break;
/*LF*/ case 10:
- vt102_cursor_motion (v, 0, 1, 0, 1);
- break;
/*VT*/ case 11:
- break;
/*FF*/ case 12:
- break;
+ vt102_cursor_advance_line (v);
+ if (!v->modes[VT102_MODE_NEWLINE_MODE])
+ break;
/*CR*/ case 13:
- v->pos.x = 0;
+ vt102_cursor_carriage_return (v);
break;
/*SO*/ case 14:
/*SI*/ case 15:
/*DEL*/ case 127:
break;
/*regular character */ default:
+ vt102_do_pending_wrap (v);
+
+ if (v->modes[VT102_MODE_INSERT])
+ vt102_insert_into_line (v, v->pos);
+
v->crt.screen[CRT_ADDR_POS (&v->pos)].chr = c;
v->crt.screen[CRT_ADDR_POS (&v->pos)].attr = v->attr;
- vt102_cursor_motion (v, 1, 0, 1, 1);
+ vt102_cursor_advance (v);
}
}
+
+ v->crt.pos = v->pos;
+ v->crt.hide_cursor=v->private_modes[VT102_PRIVATE_MODE_SHOW_CURSOR] ? 0:1;
+
+ if (v->current_line.y != v->pos.y)
+ {
+ vt102_log_line (v, v->current_line.y);
+ v->current_line = v->pos;
+ }
+
+ vt102_status_line (v, "VT102 foo bar baz I'm the urban spaceman baby");
+}
+
+void
+vt102_parser_reset (VT102_parser * p)
+{
+ p->in_csi = 0;
+ p->in_escape = 0;
+ p->csi_ptr = 0;
+}
+
+void
+vt102_reset (VT102 * v)
+{
+ VT102_parser *p = &v->parser;
+
+ vt102_parser_reset (p);
+ crt_cls (&v->crt);
+
+
+
+ v->current_line = v->pos;
+ v->pending_wrap = 0;
+
+ v->screen_start.x = 0;
+ v->screen_start.y = 0;
+ v->screen_end.x = VT102_COLS - 1;
+ v->screen_end.y = VT102_ROWS - 1;
+
+ v->top_margin = v->screen_start;
+ v->bottom_margin = v->screen_end;
+
+ memset (v->modes, 0, VT102_NMODES);
+ memset (v->private_modes, 0, VT102_NMODES);
+
+ v->private_modes[VT102_PRIVATE_MODE_AUTO_WRAP] = 1;
+ v->private_modes[VT102_PRIVATE_MODE_AUTO_REPEAT] = 1;
+ v->private_modes[VT102_PRIVATE_MODE_SHOW_CURSOR] = 1;
+
+ vt102_cursor_home (v);
+ vt102_reset_tabs (v);
+ v->current_line = v->pos;
+
+ vt102_save_state(v);
+
+#if 0
+{
+char buf[3];
+int i;
+ for (i=0;i<200;++i) {
+ sprintf(buf,"%3d",i);
+ vt102_parse_char (v,buf[0]);
+ vt102_parse_char (v,buf[1]);
+ vt102_parse_char (v,buf[2]);
+ vt102_parse_char (v,13);
+ vt102_parse_char (v,27);
+ vt102_parse_char (v,'M');
+ }
+ vt102_parse_char(v,'f');
+ vt102_parse_char (v,13);
+ for (i=0;i<23;++i) {
+ vt102_parse_char (v,27);
+ vt102_parse_char (v,'M');
+ }
+ vt102_parse_char(v,'b');
+ vt102_parse_char (v,13);
+}
+#endif
+
+
+ vt102_status_line (v, "VT102 foo bar baz I'm the urban spaceman baby");
+
}
~ianmdlvl / sympathy.git / blobdiff