NetBSD/sys/dev/wscons/wsemul_vt100.c

1148 lines
27 KiB
C

/* $NetBSD: wsemul_vt100.c,v 1.2 1998/06/20 21:52:50 drochner Exp $ */
/*
* Copyright (c) 1998
* Matthias Drochner. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project
* by Matthias Drochner.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/time.h>
#include <sys/malloc.h>
#include <sys/fcntl.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/wscons/wsemulvar.h>
#include <dev/wscons/wsemul_vt100var.h>
#include <dev/wscons/ascii.h>
#include "opt_wskernattr.h"
void *wsemul_vt100_cnattach __P((const struct wsscreen_descr *, void *,
int, int, long));
void *wsemul_vt100_attach __P((int console, const struct wsscreen_descr *,
void *, int, int, void *, long));
void wsemul_vt100_output __P((void *cookie, const u_char *data, u_int count,
int));
void wsemul_vt100_detach __P((void *cookie, u_int *crowp, u_int *ccolp));
const struct wsemul_ops wsemul_vt100_ops = {
"vt100",
wsemul_vt100_cnattach,
wsemul_vt100_attach,
wsemul_vt100_output,
wsemul_vt100_translate,
wsemul_vt100_detach,
};
struct wsemul_vt100_emuldata wsemul_vt100_console_emuldata;
static void wsemul_vt100_init __P((struct wsemul_vt100_emuldata *,
const struct wsscreen_descr *,
void *, int, int, long));
static u_int wsemul_vt100_output_normal __P((struct wsemul_vt100_emuldata *,
u_char, int));
typedef u_int vt100_handler __P((struct wsemul_vt100_emuldata *, u_char));
static vt100_handler
wsemul_vt100_output_esc,
wsemul_vt100_output_csi,
wsemul_vt100_output_csi_qm,
wsemul_vt100_output_scs94,
wsemul_vt100_output_scs94_percent,
wsemul_vt100_output_scs96,
wsemul_vt100_output_scs96_percent,
wsemul_vt100_output_hash,
wsemul_vt100_output_esc_spc,
wsemul_vt100_output_csi_gt,
wsemul_vt100_output_string,
wsemul_vt100_output_string_esc,
wsemul_vt100_output_csi_dq,
wsemul_vt100_output_dcs,
wsemul_vt100_output_csi_dollar,
wsemul_vt100_output_csi_qm_dollar,
wsemul_vt100_output_csi_amp,
wsemul_vt100_output_csi_em,
wsemul_vt100_output_dcs_dollar;
#define VT100_EMUL_STATE_NORMAL 0 /* normal processing */
#define VT100_EMUL_STATE_ESC 1 /* got ESC */
#define VT100_EMUL_STATE_CSI 2 /* got CSI (ESC[) */
#define VT100_EMUL_STATE_CSI_QM 3 /* got CSI? */
#define VT100_EMUL_STATE_SCS94 4 /* got ESC{()*+} */
#define VT100_EMUL_STATE_SCS94_PERCENT 5 /* got ESC{()*+}% */
#define VT100_EMUL_STATE_SCS96 6 /* got ESC{-./} */
#define VT100_EMUL_STATE_SCS96_PERCENT 7 /* got ESC{-./}% */
#define VT100_EMUL_STATE_HASH 8 /* got ESC# */
#define VT100_EMUL_STATE_ESC_SPC 9 /* got ESC<SPC> */
#define VT100_EMUL_STATE_CSI_GT 10 /* got CSI> */
#define VT100_EMUL_STATE_STRING 11 /* waiting for ST (ESC\) */
#define VT100_EMUL_STATE_STRING_ESC 12 /* waiting for ST, got ESC */
#define VT100_EMUL_STATE_CSI_DQ 13 /* got CSI<p>" */
#define VT100_EMUL_STATE_DCS 14 /* got DCS (ESC P) */
#define VT100_EMUL_STATE_CSI_DOLLAR 15 /* got CSI<p>$ */
#define VT100_EMUL_STATE_CSI_QM_DOLLAR 16 /* got CSI?<p>$ */
#define VT100_EMUL_STATE_CSI_AMP 17 /* got CSI& */
#define VT100_EMUL_STATE_CSI_EM 18 /* got CSI! */
#define VT100_EMUL_STATE_DCS_DOLLAR 19 /* got DCS<p>$ */
vt100_handler *vt100_output[] = {
wsemul_vt100_output_esc,
wsemul_vt100_output_csi,
wsemul_vt100_output_csi_qm,
wsemul_vt100_output_scs94,
wsemul_vt100_output_scs94_percent,
wsemul_vt100_output_scs96,
wsemul_vt100_output_scs96_percent,
wsemul_vt100_output_hash,
wsemul_vt100_output_esc_spc,
wsemul_vt100_output_csi_gt,
wsemul_vt100_output_string,
wsemul_vt100_output_string_esc,
wsemul_vt100_output_csi_dq,
wsemul_vt100_output_dcs,
wsemul_vt100_output_csi_dollar,
wsemul_vt100_output_csi_qm_dollar,
wsemul_vt100_output_csi_amp,
wsemul_vt100_output_csi_em,
wsemul_vt100_output_dcs_dollar,
};
static void
wsemul_vt100_init(edp, type, cookie, ccol, crow, defattr)
struct wsemul_vt100_emuldata *edp;
const struct wsscreen_descr *type;
void *cookie;
int ccol, crow;
long defattr;
{
edp->emulops = type->textops;
edp->emulcookie = cookie;
edp->scrcapabilities = type->capabilities;
edp->nrows = type->nrows;
edp->ncols = type->ncols;
edp->crow = crow;
edp->ccol = ccol;
edp->defattr = defattr;
}
void *
wsemul_vt100_cnattach(type, cookie, ccol, crow, defattr)
const struct wsscreen_descr *type;
void *cookie;
int ccol, crow;
long defattr;
{
struct wsemul_vt100_emuldata *edp;
int res;
edp = &wsemul_vt100_console_emuldata;
wsemul_vt100_init(edp, type, cookie, ccol, crow, defattr);
#ifdef DIAGNOSTIC
edp->console = 1;
#endif
edp->cbcookie = NULL;
#if defined(WS_KERNEL_FG) || defined(WS_KERNEL_BG) || \
defined(WS_KERNEL_COLATTR) || defined(WS_KERNEL_MONOATTR)
#ifndef WS_KERNEL_FG
#define WS_KERNEL_FG WSCOL_WHITE
#endif
#ifndef WS_KERNEL_BG
#define WS_KERNEL_BG WSCOL_BLACK
#endif
#ifndef WS_KERNEL_COLATTR
#define WS_KERNEL_COLATTR 0
#endif
#ifndef WS_KERNEL_MONOATTR
#define WS_KERNEL_MONOATTR 0
#endif
if (type->capabilities & WSSCREEN_WSCOLORS)
res = (*edp->emulops->alloc_attr)(cookie,
WS_KERNEL_FG, WS_KERNEL_BG,
WS_KERNEL_COLATTR | WSATTR_WSCOLORS,
&edp->kernattr);
else
res = (*edp->emulops->alloc_attr)(cookie, 0, 0,
WS_KERNEL_MONOATTR,
&edp->kernattr);
if (res)
#endif
edp->kernattr = defattr;
edp->tabs = 0;
edp->dcsarg = 0;
wsemul_vt100_reset(edp);
return (edp);
}
void *
wsemul_vt100_attach(console, type, cookie, ccol, crow, cbcookie, defattr)
int console;
const struct wsscreen_descr *type;
void *cookie;
int ccol, crow;
void *cbcookie;
long defattr;
{
struct wsemul_vt100_emuldata *edp;
if (console) {
edp = &wsemul_vt100_console_emuldata;
#ifdef DIAGNOSTIC
KASSERT(edp->console == 1);
#endif
} else {
edp = malloc(sizeof *edp, M_DEVBUF, M_WAITOK);
wsemul_vt100_init(edp, type, cookie, ccol, crow, defattr);
#ifdef DIAGNOSTIC
edp->console = 0;
#endif
}
edp->cbcookie = cbcookie;
edp->tabs = malloc(type->ncols, M_DEVBUF, M_NOWAIT);
edp->dcsarg = malloc(DCS_MAXLEN, M_DEVBUF, M_NOWAIT);
wsemul_vt100_reset(edp);
return (edp);
}
void
wsemul_vt100_detach(cookie, crowp, ccolp)
void *cookie;
u_int *crowp, *ccolp;
{
struct wsemul_vt100_emuldata *edp = cookie;
*crowp = edp->crow;
*ccolp = edp->ccol;
if (edp->tabs) {
free(edp->tabs, M_DEVBUF);
edp->tabs = 0;
}
if (edp->dcsarg) {
free(edp->dcsarg, M_DEVBUF);
edp->dcsarg = 0;
}
if (edp != &wsemul_vt100_console_emuldata)
free(edp, M_DEVBUF);
}
void
wsemul_vt100_reset(edp)
struct wsemul_vt100_emuldata *edp;
{
int i;
edp->state = VT100_EMUL_STATE_NORMAL;
edp->flags = VTFL_DECAWM | VTFL_CURSORON;
edp->curattr = edp->defattr;
edp->attrflags = 0;
edp->fgcol = WSCOL_WHITE;
edp->bgcol = WSCOL_BLACK;
edp->scrreg_startrow = 0;
edp->scrreg_nrows = edp->nrows;
if (edp->tabs) {
bzero(edp->tabs, edp->ncols);
for (i = 1; i < edp->ncols; i += 8 - (i & 7))
edp->tabs[i] = 1;
}
edp->dcspos = 0;
edp->dcstype = 0;
}
/*
* now all the state machine bits
*/
static u_int
wsemul_vt100_output_normal(edp, c, kernel)
struct wsemul_vt100_emuldata *edp;
u_char c;
int kernel;
{
u_int newstate = VT100_EMUL_STATE_NORMAL;
u_int n;
switch (c) {
case ASCII_NUL:
/* ignore */
break;
case ASCII_BEL:
wsdisplay_emulbell(edp->cbcookie);
break;
case ASCII_BS:
if (edp->ccol > 0) {
edp->ccol--;
edp->flags &= ~VTFL_LASTCHAR;
}
break;
case ASCII_CR:
edp->ccol = 0;
edp->flags &= ~VTFL_LASTCHAR;
break;
case ASCII_HT:
if (edp->tabs) {
if (edp->ccol >= edp->ncols - 1)
break;
for (n = edp->ccol + 1; n < edp->ncols - 1; n++)
if (edp->tabs[n])
break;
} else {
n = edp->ccol + min(8 - (edp->ccol & 7), COLS_LEFT);
}
(*edp->emulops->erasecols)(edp->emulcookie, edp->crow,
edp->ccol, n - edp->ccol,
kernel ? edp->kernattr : edp->curattr);
edp->ccol = n;
break;
case ASCII_SI: /* LS0 */
#ifdef VT100_PRINTNOTIMPL
printf("SI ignored\n");
#endif
break;
case ASCII_SO: /* LS1 */
#ifdef VT100_PRINTNOTIMPL
printf("SO ignored\n");
#endif
break;
case ASCII_ESC:
#ifdef DIAGNOSTIC
if (kernel)
panic("ESC in kernel output");
#endif
newstate = VT100_EMUL_STATE_ESC;
break;
#if 0
case CSI: /* 8-bit */
edp->nargs = 0;
bzero(edp->args, sizeof (edp->args));
newstate = VT100_EMUL_STATE_CSI;
break;
case DCS: /* 8-bit */
edp->nargs = 0;
bzero(edp->args, sizeof (edp->args));
newstate = VT100_EMUL_STATE_DCS;
break;
#endif
default: /* normal character */
if ((edp->flags & (VTFL_LASTCHAR | VTFL_DECAWM)) ==
(VTFL_LASTCHAR | VTFL_DECAWM)) {
if (ROWS_BELOW > 0)
edp->crow++;
else
wsemul_vt100_scrollup(edp, 1);
edp->ccol = 0;
edp->flags &= ~VTFL_LASTCHAR;
}
if ((edp->flags & VTFL_INSERTMODE) &&
edp->ccol < edp->ncols - 1) {
(*edp->emulops->copycols)(edp->emulcookie, edp->crow,
edp->ccol, edp->ccol + 1,
edp->ncols - edp->ccol - 1);
}
(*edp->emulops->putchar)(edp->emulcookie, edp->crow, edp->ccol,
c, kernel ? edp->kernattr : edp->curattr);
if (edp->ccol < edp->ncols - 1)
edp->ccol++;
else
edp->flags |= VTFL_LASTCHAR;
break;
case ASCII_LF:
case ASCII_VT:
case ASCII_FF:
if (ROWS_BELOW > 0)
edp->crow++;
else
wsemul_vt100_scrollup(edp, 1);
break;
}
return (newstate);
}
static u_int
wsemul_vt100_output_esc(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
u_int newstate = VT100_EMUL_STATE_NORMAL;
switch (c) {
case '[': /* CSI */
edp->nargs = 0;
bzero(edp->args, sizeof (edp->args));
newstate = VT100_EMUL_STATE_CSI;
break;
case '7': /* DECSC */
edp->savedcursor_row = edp->crow;
edp->savedcursor_col = edp->ccol;
/* save attributes! */
break;
case '8': /* DECRC */
edp->crow = edp->savedcursor_row;
edp->ccol = edp->savedcursor_col;
/* restore attributes! */
break;
case '=': /* DECKPAM application mode */
edp->flags |= VTFL_APPLKEYPAD;
break;
case '>': /* DECKPNM numeric mode */
edp->flags &= ~VTFL_APPLKEYPAD;
break;
case 'E': /* NEL */
edp->ccol = 0;
/* FALLTHRU */
case 'D': /* IND */
if (ROWS_BELOW > 0) {
edp->crow++;
break;
}
wsemul_vt100_scrollup(edp, 1);
break;
case 'H': /* HTS */
KASSERT(edp->tabs != 0);
edp->tabs[edp->ccol] = 1;
break;
case '~': /* LS1R */
case 'n': /* LS2 */
case '}': /* LS2R */
case 'o': /* LS3 */
case '|': /* LS3R */
#ifdef VT100_PRINTNOTIMPL
printf("ESC %c ignored\n", c);
#endif
break;
case 'N': /* SS2 */
case 'O': /* SS3 */
#ifdef VT100_PRINTNOTIMPL
printf("ESC %c ignored\n", c);
#endif
break;
case 'M': /* RI */
if (ROWS_ABOVE > 0) {
edp->crow--;
break;
}
wsemul_vt100_scrolldown(edp, 1);
break;
case 'P': /* DCS */
edp->nargs = 0;
bzero(edp->args, sizeof (edp->args));
newstate = VT100_EMUL_STATE_DCS;
break;
case 'c': /* RIS */
wsemul_vt100_reset(edp);
edp->ccol = edp->crow = 0;
break;
case '(': case ')': case '*': case '+': /* SCS */
edp->designating = c;
newstate = VT100_EMUL_STATE_SCS94;
break;
case '-': case '.': case '/': /* SCS */
edp->designating = c;
newstate = VT100_EMUL_STATE_SCS96;
break;
case '#':
newstate = VT100_EMUL_STATE_HASH;
break;
case ' ': /* 7/8 bit */
newstate = VT100_EMUL_STATE_ESC_SPC;
break;
case ']': /* OSC operating system command */
case '^': /* PM privacy message */
case '_': /* APC application program command */
/* ignored */
newstate = VT100_EMUL_STATE_STRING;
break;
case '<': /* exit VT52 mode - ignored */
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC%c unknown\n", c);
#endif
break;
}
return (newstate);
}
static u_int
wsemul_vt100_output_csi_qm(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
u_int newstate = VT100_EMUL_STATE_CSI_QM;
switch (c) {
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
/* argument digit */
if (edp->nargs > VT100_EMUL_NARGS - 1)
break;
edp->args[edp->nargs] = (edp->args[edp->nargs] * 10) +
(c - '0');
break;
case ';': /* argument terminator */
edp->nargs++;
break;
case '$': /* request mode */
newstate = VT100_EMUL_STATE_CSI_QM_DOLLAR;
break;
default: /* end of escape sequence */
edp->nargs++;
if (edp->nargs > VT100_EMUL_NARGS) {
#ifdef VT100_DEBUG
printf("vt100: too many arguments\n");
#endif
edp->nargs = VT100_EMUL_NARGS;
}
wsemul_vt100_handle_csi_qm(edp, c);
newstate = VT100_EMUL_STATE_NORMAL;
break;
}
return (newstate);
}
static u_int
wsemul_vt100_output_csi_qm_dollar(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
u_int newstate = VT100_EMUL_STATE_NORMAL;
switch (c) {
case 'p': /* DECRQM request DEC private mode */
vt100_reportmode(edp, ARG(0), 1);
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("CSI?%c unknown\n", c);
#endif
break;
}
return (newstate);
}
static u_int
wsemul_vt100_output_csi_amp(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
u_int newstate = VT100_EMUL_STATE_NORMAL;
switch (c) {
case 'u': /* DECRQUPSS request user preferred supplemental set */
wsdisplay_emulinput(edp->emulcookie, "\033P0!u%5\033\\", 9);
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("CSI&%c unknown\n", c);
#endif
break;
}
return (newstate);
}
static u_int
wsemul_vt100_output_scs94(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
u_int newstate = VT100_EMUL_STATE_NORMAL;
switch (c) {
case '%': /* probably DEC supplemental graphic */
newstate = VT100_EMUL_STATE_SCS94_PERCENT;
break;
case 'B': /* ASCII */
case 'A': /* ISO-latin-1 supplemental */
case '<': /* user preferred supplemental */
case '0': /* DEC special graphic */
#ifdef VT100_PRINTNOTIMPL
printf("ESC%c%c ignored\n", edp->designating, c);
#endif
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC%c%c unknown\n", edp->designating, c);
#endif
break;
}
return (newstate);
}
static u_int
wsemul_vt100_output_scs94_percent(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
switch (c) {
case '5': /* DEC supplemental graphic */
#ifdef VT100_PRINTNOTIMPL
printf("ESC%c%%5 ignored\n", edp->designating);
#endif
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC%c%%%c unknown\n", edp->designating, c);
#endif
break;
}
return (VT100_EMUL_STATE_NORMAL);
}
static u_int
wsemul_vt100_output_scs96(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
u_int newstate = VT100_EMUL_STATE_NORMAL;
switch (c) {
case '%': /* probably portugese */
newstate = VT100_EMUL_STATE_SCS96_PERCENT;
break;
case 'A': /* british */
case '4': /* dutch */
case '5': case 'C': /* finnish */
case 'R': /* french */
case 'Q': /* french canadian */
case 'K': /* german */
case 'Y': /* italian */
case 'E': case '6': /* norwegian / danish */
case 'Z': /* spanish */
case '7': case 'H': /* swedish */
case '=': /* swiss */
#ifdef VT100_PRINTNOTIMPL
printf("ESC%c%c ignored\n", edp->designating, c);
#endif
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC%c%c unknown\n", edp->designating, c);
#endif
break;
}
return (newstate);
}
static u_int
wsemul_vt100_output_scs96_percent(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
switch (c) {
case '6': /* portugese */
#ifdef VT100_PRINTNOTIMPL
printf("ESC%c%%6 ignored\n", edp->designating);
#endif
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC%c%%%c unknown\n", edp->designating, c);
#endif
break;
}
return (VT100_EMUL_STATE_NORMAL);
}
static u_int
wsemul_vt100_output_esc_spc(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
switch (c) {
case 'F': /* 7-bit controls */
case 'G': /* 8-bit controls */
#ifdef VT100_PRINTNOTIMPL
printf("ESC<SPC>%c ignored\n", c);
#endif
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC<SPC>%c unknown\n", c);
#endif
break;
}
return (VT100_EMUL_STATE_NORMAL);
}
static u_int
wsemul_vt100_output_string(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
switch (c) {
case ASCII_ESC: /* might be a string end */
return (VT100_EMUL_STATE_STRING_ESC);
#if 0
case ST: /* string end 8-bit */
wsemul_vt100_handle_dcs(edp);
return (VT100_EMUL_STATE_NORMAL);
#endif
default:
if (edp->dcstype && edp->dcspos < DCS_MAXLEN)
edp->dcsarg[edp->dcspos++] = c;
}
return (VT100_EMUL_STATE_STRING);
}
static u_int
wsemul_vt100_output_string_esc(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
if (c == '\\') { /* ST complete */
wsemul_vt100_handle_dcs(edp);
return (VT100_EMUL_STATE_NORMAL);
} else
return (VT100_EMUL_STATE_STRING);
}
static u_int
wsemul_vt100_output_csi_em(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
switch (c) {
case 'p': /* DECSTR soft reset VT300 only */
wsemul_vt100_reset(edp);
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC!%c unknown\n", c);
#endif
break;
}
return (VT100_EMUL_STATE_NORMAL);
}
static u_int
wsemul_vt100_output_dcs(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
u_int newstate = VT100_EMUL_STATE_DCS;
switch (c) {
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
/* argument digit */
if (edp->nargs > VT100_EMUL_NARGS - 1)
break;
edp->args[edp->nargs] = (edp->args[edp->nargs] * 10) +
(c - '0');
break;
case ';': /* argument terminator */
edp->nargs++;
break;
default:
edp->nargs++;
if (edp->nargs > VT100_EMUL_NARGS) {
#ifdef VT100_DEBUG
printf("vt100: too many arguments\n");
#endif
edp->nargs = VT100_EMUL_NARGS;
}
newstate = VT100_EMUL_STATE_STRING;
switch (c) {
case '$':
newstate = VT100_EMUL_STATE_DCS_DOLLAR;
break;
case '{': /* DECDLD soft charset */
case '!': /* DECRQUPSS user preferred supplemental set */
/* 'u' must follow - need another state */
case '|': /* DECUDK program F6..F20 */
#ifdef VT100_PRINTNOTIMPL
printf("DCS%c ignored\n", c);
#endif
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("DCS%c (%d, %d) unknown\n", c, ARG(0), ARG(1));
#endif
break;
}
}
return (newstate);
}
static u_int
wsemul_vt100_output_dcs_dollar(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
switch (c) {
case 'p': /* DECRSTS terminal state restore */
case 'q': /* DECRQSS control function request */
#ifdef VT100_PRINTNOTIMPL
printf("DCS$%c ignored\n", c);
#endif
break;
case 't': /* DECRSPS restore presentation state */
switch (ARG(0)) {
case 0: /* error */
break;
case 1: /* cursor information restore */
#ifdef VT100_PRINTNOTIMPL
printf("DCS1$t ignored\n");
#endif
break;
case 2: /* tab stop restore */
edp->dcspos = 0;
edp->dcstype = DCSTYPE_TABRESTORE;
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("DCS%d$t unknown\n", ARG(0));
#endif
break;
}
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("DCS$%c (%d, %d) unknown\n", c, ARG(0), ARG(1));
#endif
break;
}
return (VT100_EMUL_STATE_STRING);
}
static u_int
wsemul_vt100_output_csi_gt(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
switch (c) {
case 'c': /* DA secondary */
wsdisplay_emulinput(edp->cbcookie, WSEMUL_VT_ID2,
sizeof(WSEMUL_VT_ID2));
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("CSI>%c unknown\n", c);
#endif
break;
}
return (VT100_EMUL_STATE_NORMAL);
}
static u_int
wsemul_vt100_output_csi_dollar(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
u_int newstate = VT100_EMUL_STATE_NORMAL;
switch (c) {
case '}': /* DECSASD */
/* select active status display */
switch (ARG(0)) {
case 0: /* main display */
case 1: /* status line */
#ifdef VT100_PRINTNOTIMPL
printf("CSI%d$} ignored\n", ARG(0));
#endif
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("CSI%d$} unknown\n", ARG(0));
#endif
break;
}
break;
case '~': /* DECSSDD */
/* select status line type */
switch (ARG(0)) {
case 0: /* none */
case 1: /* indicator */
case 2: /* host-writable */
#ifdef VT100_PRINTNOTIMPL
printf("CSI%d$~ ignored\n", ARG(0));
#endif
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("CSI%d$~ unknown\n", ARG(0));
#endif
break;
}
break;
case 'p': /* DECRQM request mode ANSI */
vt100_reportmode(edp, ARG(0), 0);
break;
case 'u': /* DECRQTSR request terminal status report */
switch (ARG(0)) {
case 0: /* ignored */
break;
case 1: /* terminal state report */
#ifdef VT100_PRINTNOTIMPL
printf("CSI1$u ignored\n");
#endif
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("CSI%d$u unknown\n", ARG(0));
#endif
break;
}
break;
case 'w': /* DECRQPSR request presentation status report
(VT300 only) */
switch (ARG(0)) {
case 0: /* error */
break;
case 1: /* cursor information report */
#ifdef VT100_PRINTNOTIMPL
printf("CSI1$w ignored\n");
#endif
break;
case 2: /* tab stop report */
{
int i, n;
char buf[20];
KASSERT(edp->tabs != 0);
wsdisplay_emulinput(edp->cbcookie, "\033P2$u", 5);
for (i = 0; i < edp->ncols; i++)
if (edp->tabs[i]) {
n = sprintf(buf, "%s%d",
(i ? "/" : ""), i + 1);
wsdisplay_emulinput(edp->cbcookie,
buf, n);
}
}
wsdisplay_emulinput(edp->cbcookie, "\033\\", 2);
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("CSI%d$w unknown\n", ARG(0));
#endif
break;
}
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("CSI$%c unknown\n", c);
#endif
break;
}
return (newstate);
}
static u_int
wsemul_vt100_output_hash(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
switch (c) {
case '5': /* DECSWL single width, single height */
break;
case '6': /* DECDWL double width, single height */
case '3': /* DECDHL double width, double height, top half */
case '4': /* DECDHL double width, double height, bottom half */
#ifdef VT100_PRINTNOTIMPL
printf("ESC#%c ignored\n", c);
#endif
break;
case '8': { /* DECALN */
int i, j;
for (i = 0; i < edp->nrows; i++)
for (j = 0; j < edp->ncols; j++)
(*edp->emulops->putchar)(edp->emulcookie, i, j,
'E', edp->curattr);
}
edp->ccol = 0;
edp->crow = 0;
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC#%c unknown\n", c);
#endif
break;
}
return (VT100_EMUL_STATE_NORMAL);
}
static u_int
wsemul_vt100_output_csi(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
u_int newstate = VT100_EMUL_STATE_CSI;
switch (c) {
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
/* argument digit */
if (edp->nargs > VT100_EMUL_NARGS - 1)
break;
edp->args[edp->nargs] = (edp->args[edp->nargs] * 10) +
(c - '0');
break;
case ';': /* argument terminator */
edp->nargs++;
break;
case '?': /* DEC specific */
edp->nargs = 0;
bzero(edp->args, sizeof (edp->args));
newstate = VT100_EMUL_STATE_CSI_QM;
break;
case '>': /* DA query */
newstate = VT100_EMUL_STATE_CSI_GT;
break;
case '"':
newstate = VT100_EMUL_STATE_CSI_DQ;
break;
case '$':
newstate = VT100_EMUL_STATE_CSI_DOLLAR;
break;
case '&':
newstate = VT100_EMUL_STATE_CSI_AMP;
break;
case '!':
newstate = VT100_EMUL_STATE_CSI_EM;
break;
default: /* end of escape sequence */
edp->nargs++;
if (edp->nargs > VT100_EMUL_NARGS) {
#ifdef VT100_DEBUG
printf("vt100: too many arguments\n");
#endif
edp->nargs = VT100_EMUL_NARGS;
}
wsemul_vt100_handle_csi(edp, c);
newstate = VT100_EMUL_STATE_NORMAL;
break;
}
return (newstate);
}
static u_int
wsemul_vt100_output_csi_dq(edp, c)
struct wsemul_vt100_emuldata *edp;
u_char c;
{
switch (c) {
case 'p': /* DECSCL */
switch (ARG(0)) {
case 61: /* VT100 mode (no further arguments!) */
break;
case 62:
case 63: /* VT300 mode */
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("CSI%d\"p unknown\n", ARG(0));
#endif
break;
}
switch (ARG(1)) {
case 0:
case 2: /* 8-bit controls */
#ifdef VT100_PRINTNOTIMPL
printf("CSI%d;%d\"p ignored\n", ARG(0), ARG(1));
#endif
break;
case 1: /* 7-bit controls */
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("CSI%d;%d\"p unknown\n", ARG(0), ARG(1));
#endif
break;
}
break;
case 'q': /* DECSCA select character attribute VT300 only */
switch (ARG(0)) {
case 0:
case 1: /* erasable */
break;
case 2: /* not erasable */
#ifdef VT100_PRINTNOTIMPL
printf("CSI2\"q ignored\n");
#endif
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("CSI%d\"q unknown\n", ARG(0));
#endif
break;
}
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("CSI\"%c unknown (%d, %d)\n", c, ARG(0), ARG(1));
#endif
break;
}
return (VT100_EMUL_STATE_NORMAL);
}
void
wsemul_vt100_output(cookie, data, count, kernel)
void *cookie;
const u_char *data;
u_int count;
int kernel;
{
struct wsemul_vt100_emuldata *edp = cookie;
#ifdef DIAGNOSTIC
if (kernel && !edp->console)
panic("wsemul_vt100_output: kernel output, not console");
#endif
/* XXX */
(*edp->emulops->cursor)(edp->emulcookie, 0, edp->crow, edp->ccol);
for (; count > 0; data++, count--) {
if (edp->state == VT100_EMUL_STATE_NORMAL || kernel) {
edp->state = wsemul_vt100_output_normal(edp, *data,
kernel);
continue;
}
#ifdef DIAGNOSTIC
if (edp->state > sizeof(vt100_output) / sizeof(vt100_output[0]))
panic("wsemul_vt100: invalid state %d\n", edp->state);
#endif
edp->state = vt100_output[edp->state - 1](edp, *data);
}
/* XXX */
(*edp->emulops->cursor)(edp->emulcookie, edp->flags & VTFL_CURSORON,
edp->crow, edp->ccol);
}