/*
* $Log$
+ * Revision 1.27 2008/02/14 02:46:45 james
+ * *** empty log message ***
+ *
+ * Revision 1.26 2008/02/14 01:55:57 james
+ * *** empty log message ***
+ *
+ * Revision 1.25 2008/02/13 16:57:29 james
+ * *** empty log message ***
+ *
+ * Revision 1.24 2008/02/13 09:12:21 james
+ * *** empty log message ***
+ *
+ * Revision 1.23 2008/02/07 13:26:35 james
+ * *** empty log message ***
+ *
+ * Revision 1.22 2008/02/07 13:22:51 james
+ * *** empty log message ***
+ *
+ * Revision 1.21 2008/02/07 12:21:16 james
+ * *** empty log message ***
+ *
+ * Revision 1.20 2008/02/07 12:16:04 james
+ * *** empty log message ***
+ *
+ * Revision 1.19 2008/02/07 11:27:02 james
+ * *** empty log message ***
+ *
+ * Revision 1.18 2008/02/07 01:59:25 james
+ * *** empty log message ***
+ *
+ * Revision 1.17 2008/02/07 01:58:28 james
+ * *** empty log message ***
+ *
+ * Revision 1.16 2008/02/07 01:57:46 james
+ * *** empty log message ***
+ *
+ * Revision 1.15 2008/02/07 00:43:27 james
+ * *** empty log message ***
+ *
+ * Revision 1.14 2008/02/07 00:40:23 james
+ * *** empty log message ***
+ *
+ * Revision 1.13 2008/02/07 00:39:59 james
+ * *** empty log message ***
+ *
+ * Revision 1.12 2008/02/07 00:39:13 james
+ * *** empty log message ***
+ *
+ * Revision 1.11 2008/02/06 20:26:58 james
+ * *** empty log message ***
+ *
+ * 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 ***
+ *
+ * Revision 1.2 2008/02/04 01:32:39 james
+ * *** empty log message ***
+ *
* Revision 1.1 2008/02/03 23:36:41 james
* *** empty log message ***
*
/*
so the parser needs to be able to at least do
+CTRL-G
CTRL-H
+CTRL-I
+CTRL-J
+CTRL-M
+CTRL-N
+
+CTRL-O
+ESC7
+ESC8
+ESCH
+ESCM
+ESC>
+
ESC[%dA
ESC[%dB
ESC[%dC
ESC[%dD
-ESC[?7l
-ESC[?7h
-CTRL-O
-CTRL-N
-CTRL-G
-ESC[1K
-ESC[J
-ESC[K
ESC[H
+ESC[%d;%dH
ESC[J
-ESC[%d;%dh
-CTRL-M
-ESC[%d;%dr
+ESC[K
+ESC[1K
+ESC[L
+ESC[M
+ESC[P
+
ESC[3g
-CTRL-J
-ESC(B
-ESC)0
-ESC[5m
+ESC[4h
+ESC[4l
+ESC[m
ESC[1m
-ESC[m CTRL-O
+ESC[4m
+ESC[5m
ESC[7m
-ESC8
-ESC>
+ESC[%d;%dr
+
+
ESC[?3l
ESC[?4l
ESC[?5l
ESC[?7h
+ESC[?7h
+ESC[?7l
ESC[?8h
-ESC7
-ESCM
-ESCH
-CTRL-I
-ESC[4m
-ESC[L
-ESC[P
-ESC[M
-ESC[4l
-ESC[4h
+
+ESC(B
+ESC)0
+
+
+TODO:
+
+ESC(B
+ESC)0
+
+CTRL-O
+
+
*/
+#include "project.h"
+
+
static inline int
csi_ender (int c)
}
static inline int
-csi_starter (int c)
+scs_starter (int c)
{
switch (c)
{
- case '[':
case '(':
case ')':
return 1;
return 0;
}
-void vt102_cursor_normalize(VT102 *v,int wrap,int scroll)
+static inline int
+csi_starter (int c)
{
- if (v->pos.x<-1) /*don't wrap backwards*/
- c->pos.x=0;
+ switch (c)
+ {
+ case '[':
+ return 1;
+ }
+ return 0;
+}
- if (v->pos.x>=CRT_COLS) {
- if (wrap) {
- c->pos.x=0;
- c->pos.y++;
- } else {
- c->pos.x=CRT_COLS-1;
- }
- }
+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.y<0)
- c->pos.y=0
+ if (v->pos.x > v->bottom_margin.x)
+ return 0;
+ if (v->pos.y > v->bottom_margin.y)
+ return 0;
- if (v->pos.y>=CRT_ROWS) {
- if (scroll)
- vt102_scroll(v,0,CRT_ROWS-1);
- c->pos.y=CRT_ROWS-1;
- }
+ return 1;
}
-
-void vt102_cursor_motion(VT102 *v,int x,int y,int wrap,scroll)
+void
+vt102_log_line (Context * c, int line)
{
-while (x>0) {
- x--;
- v->pos.x++;
- vt102_cursor_normalize(v,wrap,scroll);
+ CRT_Pos e = { VT102_COLS - 1, line };
+ CRT_Pos p = { 0, line };
+ char logbuf[VT102_COLS + 1];
+
+ if (!c->l)
+ return;
+
+
+ for (; e.x > 0; --e.x)
+ {
+ if (c->v->crt.screen[CRT_ADDR_POS (&e)].chr != ' ')
+ break;
+ }
+
+ for (; p.x <= e.x; ++p.x)
+ {
+ int ch = c->v->crt.screen[CRT_ADDR_POS (&p)].chr;
+ if (ch < 32)
+ ch = ' ';
+ if (ch > 126)
+ ch = ' ';
+ logbuf[p.x] = ch;
+ }
+ logbuf[p.x] = 0;
+
+ c->l->log (c->l, logbuf);
}
-
-while (x<0) {
- x++;
- v->pos.x--;
- vt102_cursor_normalize(v,wrap,scroll);
+
+/*Called for every upward scroll with same args*/
+void
+vt102_history (Context * c, CRT_Pos t, CRT_Pos b)
+{
+/*Only log if it scrolls off the top*/
+ if (t.y)
+ return;
+
+ t.x = 0;
+ history_add (c->h, &(c->v->crt.screen[CRT_ADDR_POS (&t)]));
}
-
-while (y>0) {
- y--;
- v->pos.y++;
- vt102_cursor_normalize(v,wrap,scroll);
+
+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;
}
-
-while (y<0) {
- y++;
- v->pos.y--;
- vt102_cursor_normalize(v,wrap,scroll);
+
+
+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_parse_char (VT102 * v, int c)
+vt102_cursor_carriage_return (VT102 * v)
{
- VT102_parser *p = &v->p;
+ /*FISH*/ v->pos.x = v->top_margin.x;
+ v->pending_wrap = 0;
+}
+void
+vt102_cursor_advance_line (Context * c)
+{
+ VT102 *v = c->v;
+ int couldscroll = in_margins (v, v->pos);
- if (p->in_csi)
+/*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))
{
- p->csi_buf[p->csi_ptr++] = c;
- if (csi_ender (c) || (p->csi_ptr == VT102_CSI_LEN))
- {
- vt102_parse_csi (v, p->csi_buf, p->csi_ptr);
- p->in_csi = 0;
- }
+ 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);
+ return;
}
- else if (p->in_escape)
+
+ v->pos.y++;
+ v->pending_wrap = 0;
+}
+
+
+void
+vt102_cursor_advance (Context * c)
+{
+ VT102 *v = c->v;
+
+ if (v->pos.x < v->bottom_margin.x)
{
- if (csi_starter (c))
- {
- p->csi_ptr = 0;
- p->csi_buf[p->csi_ptr++] = c;
- p->in_csi++;
- p->in_escape = 0;
- }
- else
- {
- p->in_escape = 0;
- vt102_parse_esc (v, c);
- }
+/*Normal advance*/
+ v->pos.x++;
+ v->pending_wrap = 0;
+ return;
+ }
+ v->pending_wrap++;
+}
+
+
+void
+vt102_do_pending_wrap (Context * c)
+{
+ VT102 *v = c->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;
+ }
- switch (c)
- {
- /*NUL*/ case 0:
- /*SOH*/ case 1:
- /*STX*/ case 2:
- /*ETX*/ case 3:
- /*EOT*/ case 4:
- /*ENQ*/ case 5:
- /*ACK*/ case 6:
- /*BEL*/ case 7:
- /*BS*/ case 8:
- vt102_cursor_motion(v,-1,0,0,0);
- break;
- /*HT*/ case 9:
- break;
- /*LF*/ case 10:
- break;
- /*VT*/ case 11:
- break;
- /*FF*/ case 12:
- break;
- /*CR*/ case 13:
- break;
- /*SO*/ case 14:
- /*SI*/ case 15:
- /*DLE*/ case 16:
- /*DC1*/ case 17:
- /*DC2*/ case 18:
- /*DC3*/ case 19:
- /*DC4*/ case 20:
- /*NAK*/ case 21:
- /*SYN*/ case 22:
- /*ETB*/ case 23:
- /*CAN*/ case 24:
- /*EM*/ case 25:
- /*SUB*/ case 26:
- break;
- /*ESC*/ case 27:
- p->in_escape++;
- return;
- /*FS*/ case 28:
- /*GS*/ case 29:
- /*RS*/ case 30:
- /*US*/ case 31:
- /*DEL*/ case 127:
- break;
- /*regular character*/ default:
- 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);
- }
+ vt102_cursor_advance_line (c);
+}
+
+
+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;
+ v->crt.screen[CRT_ADDR (p.y, v->bottom_margin.x)].color = CRT_COLOR_NORMAL;
+}
+
+
+
+void
+vt102_change_mode (VT102 * v, int private, char *ns, int set)
+{
+ int m;
+
+
+ if (*ns)
+ {
+ m = atoi (ns);
+ }
+ else
+ {
+ m = 1;
+ }
+
+ if (m < 0)
+ return;
+ if (m >= VT102_NMODES)
+ return;
+
+ if (private)
+ {
+ v->private_modes[m] = set;
+ switch (m)
+ {
+ case VT102_PRIVATE_MODE_CURSOR_MODE:
+ if (v->application_keypad_mode)
+ v->private_modes[m] = 0;
+#if 0
+ fprintf (stderr, "APPLICATION CURSOR MODE %d wanted %d\n",
+ v->private_modes[m], set);
+#endif
+ break;
+ case VT102_PRIVATE_MODE_ORIGIN_MODE:
+ vt102_cursor_home (v);
+ break;
+ }
+
+ }
+ 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 == ';')
+ {
+ 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++;
+ }
+
+ vt102_change_mode (v, private, &num[o], last == 'h');
+
+}
+
+
+void
+vt102_change_attr (VT102 * v, char *na)
+{
+ int a;
+
+
+ if (*na)
+ {
+ a = atoi (na);
+ }
+ else
+ {
+ a = 0;
+ }
+
+ switch (a)
+ {
+ case 0:
+ v->attr = CRT_ATTR_NORMAL;
+ v->color = CRT_COLOR_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;
+ case 30:
+ case 31:
+ case 32:
+ case 33:
+ case 34:
+ case 35:
+ case 36:
+ case 37:
+ v->color &= ~CRT_COLOR_FG_MASK;
+ v->color |= ((a - 30) << CRT_COLOR_FG_SHIFT) & CRT_COLOR_FG_MASK;
+ break;
+ case 90:
+ case 91:
+ case 92:
+ case 93:
+ case 94:
+ case 95:
+ case 96:
+ case 97:
+ v->color &= ~CRT_COLOR_FG_MASK;
+ v->color |=
+ (((a -
+ 90) | CRT_COLOR_INTENSITY) << CRT_COLOR_FG_SHIFT) &
+ CRT_COLOR_FG_MASK;
+ break;
+ case 39:
+ case 99:
+ v->color &= ~CRT_COLOR_FG_MASK;
+ v->color |=
+ (CRT_FGCOLOR_NORMAL << CRT_COLOR_FG_SHIFT) & CRT_COLOR_FG_MASK;
+ break;
+ case 40:
+ case 41:
+ case 42:
+ case 43:
+ case 44:
+ case 45:
+ case 46:
+ case 47:
+ v->color &= ~CRT_COLOR_BG_MASK;
+ v->color |= ((a - 40) << CRT_COLOR_BG_SHIFT) & CRT_COLOR_BG_MASK;
+ break;
+ case 100:
+ case 101:
+ case 102:
+ case 103:
+ case 104:
+ case 105:
+ case 106:
+ case 107:
+ v->color &= ~CRT_COLOR_BG_MASK;
+ v->color |=
+ (((a -
+ 100) | CRT_COLOR_INTENSITY) << CRT_COLOR_BG_SHIFT) &
+ CRT_COLOR_BG_MASK;
+ break;
+ case 49:
+ case 109:
+ v->color &= ~CRT_COLOR_BG_MASK;
+ v->color |=
+ (CRT_BGCOLOR_NORMAL << CRT_COLOR_BG_SHIFT) & CRT_COLOR_BG_MASK;
+ break;
+
+ default:
+ ;
+#if 0
+ fprintf (stderr, "unhandled SGR %d\n", a);
+#endif
+ }
+
+}
+
+
+void
+vt102_parse_attr_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 (len < 0)
+ return;
+
+ while (len--)
+ {
+ 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.color = v->color;
+ 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->color = v->saved.color;
+ v->private_modes[VT102_PRIVATE_MODE_ORIGIN_MODE] = v->saved.origin_mode;
+ vt102_cursor_normalize (v);
+ v->pending_wrap = 0;
+}
+
+void
+vt102_scs (Context * c, int g, int s)
+{
+/*Ignoring charsets*/
+}
+
+void
+vt102_parse_esc (Context * c, int ch)
+{
+ 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);
+ }
+ 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;
+ case '=':
+ v->application_keypad_mode = 1;
+ break;
+ case '>':
+ v->application_keypad_mode = 0;
+ break;
+ default:
+#if 0
+ fprintf (stderr, "unhandled ESC \\033 \\%03o (ESC %c)\n", ch,
+ (ch < 32) ? '?' : ch);
+#endif
+ ;
+ }
+}
+void
+vt102_parse_csi (Context * c, char *buf, int len)
+{
+ char last;
+ char *ptr;
+ char *arg = buf + 1;
+ int narg;
+
+ VT102 *v = c->v;
+
+ buf[len] = 0;
+
+ last = buf[len - 1];
+#if 0
+ buf[len - 1] = 0;
+#endif
+
+ if (len > 2)
+ {
+ narg = atoi (arg);
+ }
+ else
+ {
+ narg = 1;
+ }
+
+ switch (buf[0])
+ {
+ 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--)
+ {
+ vt102_history (c, v->pos, v->bottom_margin);
+ crt_scroll_up (&v->crt, v->pos, v->bottom_margin, 1);
+ }
+ }
+ 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->color = CRT_COLOR_NORMAL;
+ ca->chr = *str;
+ if (*str)
+ str++;
+ ca++;
+ }
+
+}
+
+
+void
+vt102_parse_char (Context * c, int ch)
+{
+ VT102 *v = c->v;
+ 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++] = ch;
+ if (csi_ender (ch) || (p->csi_ptr == VT102_CSI_LEN))
+ {
+ vt102_parse_csi (c, p->csi_buf, p->csi_ptr);
+ p->in_csi = 0;
+ }
+ }
+ else if (p->in_escape)
+ {
+ if (csi_starter (ch))
+ {
+ p->csi_ptr = 0;
+ p->csi_buf[p->csi_ptr++] = ch;
+ p->in_csi++;
+ p->in_escape = 0;
+ }
+ else if (scs_starter (ch))
+ {
+ p->in_scs = ch;
+ p->in_escape = 0;
+ }
+ else
+ {
+ p->in_escape = 0;
+ vt102_parse_esc (c, ch);
+ }
+ }
+ else if (p->in_scs)
+ {
+ vt102_scs (c, p->in_scs, ch);
+ p->in_scs = 0;
+ }
+ else
+ {
+
+ switch (ch)
+ {
+ /*NUL*/ case 0:
+ /*SOH*/ case 1:
+ /*STX*/ case 2:
+ /*ETX*/ case 3:
+ /*EOT*/ case 4:
+ break;
+ /*ENQ*/ case 5:
+ c->t->xmit (c->t, "vt102", 5);
+ break;
+ /*ACK*/ case 6:
+ /*BEL*/ case 7:
+ break;
+ /*BS*/ case 8:
+ vt102_cursor_retard (c->v);
+ break;
+ /*HT*/ case 9:
+ vt102_cursor_advance_tab (c->v);
+ break;
+ /*LF*/ case 10:
+ /*VT*/ case 11:
+ /*FF*/ case 12:
+ vt102_cursor_advance_line (c);
+ if (!v->modes[VT102_MODE_NEWLINE_MODE])
+ break;
+ /*CR*/ case 13:
+ vt102_cursor_carriage_return (v);
+ break;
+ /*SO*/ case 14:
+ /*select G1 */
+ /*Ignoring charsets */
+ break;
+ /*SI*/ case 15:
+ /*select G0 */
+ /*Ignoring charsets */
+ break;
+ /*DLE*/ case 16:
+ /*DC1 */ case 17:
+ /*DC2 */ case 18:
+ /*DC3 */ case 19:
+ /*DC4 */ case 20:
+ /*NAK*/ case 21:
+ /*SYN*/ case 22:
+ /*ETB*/ case 23:
+ /*CAN*/ case 24:
+ /*EM*/ case 25:
+ /*SUB*/ case 26:
+ break;
+ /*ESC*/ case 27:
+ p->in_escape++;
+ return;
+ /*FS*/ case 28:
+ /*GS*/ case 29:
+ /*RS*/ case 30:
+ /*US*/ case 31:
+ /*DEL*/ case 127:
+ break;
+ /*regular character */ default:
+ vt102_do_pending_wrap (c);
+
+ if (v->modes[VT102_MODE_INSERT])
+ vt102_insert_into_line (v, v->pos);
+
+ v->crt.screen[CRT_ADDR_POS (&v->pos)].chr = ch;
+ v->crt.screen[CRT_ADDR_POS (&v->pos)].attr = v->attr;
+ v->crt.screen[CRT_ADDR_POS (&v->pos)].color = v->color;
+ vt102_cursor_advance (c);
+ }
+ }
+
+ 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 (c, v->current_line.y);
+ v->current_line = v->pos;
+ }
+
+ vt102_status_line (v, "VT102 foo bar baz I'm the urban spaceman baby");
+}
+
+vt102_parse (Context * c, char *buf, int len)
+{
+ while (len--)
+ vt102_parse_char (c, *(buf++));
+}
+
+
+void
+vt102_parser_reset (VT102_parser * p)
+{
+ p->in_csi = 0;
+ p->in_escape = 0;
+ p->csi_ptr = 0;
+ p->in_scs = 0;
+}
+
+
+void
+vt102_send (Context * c, uint8_t key)
+{
+ uint8_t ch;
+
+ if (!c->t)
+ return;
+
+#if 0
+ fprintf (stderr, "vts: %d(%c)\n", key, (key > 31) ? key : ' ');
+#endif
+ if ((key > 31) && (key < 127))
+ {
+ c->t->xmit (c->t, &key, 1);
+ return;
+ }
+
+ switch (key)
+ {
+ /*NUL*/ case 0:
+ /*SOH*/ case 1:
+ /*STX*/ case 2:
+ /*ETX*/ case 3:
+ /*EOT*/ case 4:
+ /*ENQ*/ case 5:
+ /*ACK*/ case 6:
+ /*BEL*/ case 7:
+ /*BS*/ case 8:
+ /*HT*/ case 9:
+ /*LF*/ case 10:
+ /*VT*/ case 11:
+ /*FF*/ case 12:
+ c->t->xmit (c->t, &key, 1);
+ break;
+ /*CR*/ case 13:
+ c->t->xmit (c->t, &key, 1);
+ if (c->v->modes[VT102_MODE_NEWLINE_MODE])
+ {
+ ch = 10;
+ c->t->xmit (c->t, &ch, 1);
+ }
+ break;
+ /*SO*/ case 14:
+ /*SI*/ case 15:
+ /*DLE*/ case 16:
+ /*DC1 */ case 17:
+ /*DC2 */ case 18:
+ /*DC3 */ case 19:
+ /*DC4 */ case 20:
+ /*NAK*/ case 21:
+ /*SYN*/ case 22:
+ /*ETB*/ case 23:
+ /*CAN*/ case 24:
+ /*EM*/ case 25:
+ /*SUB*/ case 26:
+ c->t->xmit (c->t, &key, 1);
+ break;
+ /*ESC*/ case 27:
+ /*FS*/ case 28:
+ /*GS*/ case 29:
+ /*RS*/ case 30:
+ /*US*/ case 31:
+ /*DEL*/ case 127:
+ c->t->xmit (c->t, &key, 1);
+ break;
+
+ case KEY_UP:
+ case KEY_DOWN:
+ case KEY_RIGHT:
+ case KEY_LEFT:
+ case KEY_HOME:
+ case KEY_MIDDLE:
+ case KEY_END:
+
+ if (c->v->private_modes[VT102_PRIVATE_MODE_CURSOR_MODE])
+ {
+ uint8_t buf[] = { 033, 'O', 'A' + (key - KEY_UP) };
+ c->t->xmit (c->t, &buf, sizeof (buf));
+ }
+ else
+ {
+ uint8_t buf[] = { 033, '[', 'A' + (key - KEY_UP) };
+ c->t->xmit (c->t, &buf, sizeof (buf));
+ }
+ break;
+ case KEY_STAR:
+ case KEY_PLUS:
+ case KEY_COMMA:
+ case KEY_PERIOD:
+ case KEY_DIVIDE:
+ case KEY_0:
+ case KEY_1:
+ case KEY_2:
+ case KEY_3:
+ case KEY_4:
+ case KEY_5:
+ case KEY_6:
+ case KEY_7:
+ case KEY_8:
+ case KEY_9:
+ if (c->v->application_keypad_mode)
+ {
+ uint8_t buf[] = { 033, 'O', 'a' + (key - KEY_154) };
+ c->t->xmit (c->t, &buf, sizeof (buf));
+ }
+ else
+ {
+ static char kpoff[KEY_NUM] = {
+ [KEY_STAR] = '*',
+ [KEY_PLUS] = '+',
+ [KEY_COMMA] = ',',
+ [KEY_MINUS] = '-',
+ [KEY_PERIOD] = '.',
+ [KEY_DIVIDE] = '/',
+ [KEY_0] = '0',
+ [KEY_1] = '1',
+ [KEY_2] = '2',
+ [KEY_3] = '3',
+ [KEY_4] = '4',
+ [KEY_5] = '5',
+ [KEY_6] = '6',
+ [KEY_7] = '7',
+ [KEY_8] = '8',
+ [KEY_9] = '9'
+ };
+
+ c->t->xmit (c->t, &kpoff[key], 1);
+ }
+ break;
+ case KEY_ENTER:
+ if (c->v->application_keypad_mode)
+ {
+ uint8_t buf[] = { 033, 'O', 'M' };
+ c->t->xmit (c->t, &buf, sizeof (buf));
+ }
+ else
+ {
+ ch = 13;
+ c->t->xmit (c->t, &ch, 1);
+ if (c->v->modes[VT102_MODE_NEWLINE_MODE])
+ {
+ ch = 10;
+ c->t->xmit (c->t, &ch, 1);
+ }
+ }
+ break;
+ case KEY_PF1:
+ case KEY_PF2:
+ case KEY_PF3:
+ case KEY_PF4:
+ {
+ uint8_t buf[] = { 033, 'O', 'P' + (key - KEY_PF1) };
+ c->t->xmit (c->t, &buf, sizeof (buf));
+ }
+ break;
+ case KEY_INSERT:
+ case KEY_DELETE:
+ case KEY_PGUP:
+ case KEY_PGDN:
+ {
+ uint8_t buf[] = { 033, '[', '0' + (key - KEY_180), '~' };
+ c->t->xmit (c->t, &buf, sizeof (buf));
+ }
+ break;
+ }
+
+}
+
+void
+vt102_reset (VT102 * v)
+{
+ VT102_parser *p = &v->parser;
+
+ vt102_parser_reset (p);
+ crt_cls (&v->crt);
+
+ v->attr = CRT_ATTR_NORMAL;
+ v->color = CRT_COLOR_NORMAL;
+
+ v->application_keypad_mode = 0;
+
+ 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;
+ v->modes[VT102_MODE_LOCAL_ECHO_OFF] = 1;
+
+ vt102_cursor_home (v);
+ vt102_reset_tabs (v);
+ v->current_line = v->pos;
+
+ vt102_save_state (v);
+
+ vt102_status_line (v, "VT102 foo bar baz I'm the urban spaceman baby");
+
+}
+
+int
+vt102_dispatch (Context * c)
+{
+ char buf[1024];
+ int red;
+
+ red = c->t->recv (c->t, buf, sizeof (buf));
+
+ if (red < 0)
+ return -1;
+ if (!red)
+ return 0;
+
+
+ vt102_parse (c, buf, red);
+
+ return 0;
+}
+
+
+int
+vt102_dispatch_one (Context * c)
+{
+ char buf;
+ int red;
+
+ red = c->t->recv (c->t, &buf, sizeof (buf));
+
+ if (red < 0)
+ return -1;
+ if (!red)
+ return 0;
+
+ vt102_parse_char (c, buf);
+
+ return 0;
+}
+
+VT102 *
+vt102_new (void)
+{
+ VT102 *v;
+
+ v = (VT102 *) malloc (sizeof (VT102));
+
+ vt102_reset (v);
+
+
+ return v;
+}
+
+void
+vt102_free (VT102 * v)
+{
+ free (v);
+}
~ianmdlvl / sympathy.git / blobdiff