X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fvt102.c;h=b4fe38191ab41a67ca3ac3adf64d656b441176a4;hb=0d822ca97cdec8b451a088f22279857ab8806cef;hp=e136637afd7e9c6d653e8383b4c9c4a9ee5bba3a;hpb=cd3c335082e66f9a790a5bbb0f24a7ec49c9d3d5;p=sympathy.git diff --git a/src/vt102.c b/src/vt102.c index e136637..b4fe381 100644 --- a/src/vt102.c +++ b/src/vt102.c @@ -10,6 +10,30 @@ static char rcsid[] = "$Id$"; /* * $Log$ + * 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 *** * @@ -267,12 +291,42 @@ ESC+B #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 @@ -282,32 +336,17 @@ csi_ender (int c) 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 @@ -426,7 +465,31 @@ vt102_cursor_advance_line (Context * c) 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; } @@ -480,13 +543,13 @@ vt102_cursor_advance (Context * c) } 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--; @@ -521,7 +584,7 @@ vt102_cursor_advance_tab (VT102 * v) } void -vt102_cursor_retard_tab (VT102 * v) +vt102_cursor_retreat_tab (VT102 * v) { if (v->pos.x == v->top_margin.x) return; @@ -645,6 +708,15 @@ vt102_change_mode (VT102 * v, int private, char *ns, int set) 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; } } @@ -884,7 +956,7 @@ vt102_restore_state (VT102 * v) } void -vt102_regular_char (Context * c, VT102 * v, char ch) +vt102_regular_char (Context * c, VT102 * v, int ch) { vt102_do_pending_wrap (c); @@ -900,61 +972,22 @@ vt102_regular_char (Context * c, VT102 * v, char ch) 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) { @@ -1036,18 +1069,19 @@ 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; @@ -1061,13 +1095,13 @@ vt102_parse_csi (Context * c, char *buf, int len) 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; } } @@ -1078,7 +1112,8 @@ vt102_parse_csi (Context * c, char *buf, int len) && (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; @@ -1089,7 +1124,8 @@ vt102_parse_csi (Context * c, char *buf, int len) 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; @@ -1104,28 +1140,31 @@ vt102_parse_csi (Context * c, char *buf, int len) 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); @@ -1135,7 +1174,7 @@ vt102_parse_csi (Context * c, char *buf, int len) 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); @@ -1156,7 +1195,7 @@ vt102_parse_csi (Context * c, char *buf, int len) } break; - case 'i': //4,5 Turn printer on and off WTF? + case 'i': //Printer commands //FIXME break; case 'h': @@ -1168,9 +1207,13 @@ vt102_parse_csi (Context * c, char *buf, int len) 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; @@ -1201,20 +1244,197 @@ vt102_parse_csi (Context * c, char *buf, int len) 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, "%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, "",v->pos.x,v->pos.y); } void @@ -1239,15 +1459,17 @@ vt102_status_line (VT102 * v, char *str) 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; @@ -1268,6 +1490,32 @@ vt102_reset_state(VT102 *v) 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) @@ -1275,54 +1523,82 @@ 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 { @@ -1335,14 +1611,13 @@ vt102_parse_char (Context * c, int ch) /*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); @@ -1386,6 +1661,11 @@ vt102_parse_char (Context * c, int ch) /*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); } } @@ -1577,8 +1857,6 @@ vt102_reset (VT102 * v) { VT102_parser *p = &v->parser; - vt102_parser_reset (p); - vt102_reset_state(p); crt_cls (&v->crt); v->current_line = v->pos; @@ -1595,10 +1873,14 @@ vt102_reset (VT102 * v) 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) { @@ -1606,7 +1888,7 @@ vt102_new (void) v = (VT102 *) malloc (sizeof (VT102)); - v->xn_glitch=1; + v->xn_glitch = 1; vt102_reset (v); @@ -1614,9 +1896,10 @@ vt102_new (void) 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