/* * Same as power_on(), but an external function. */ void term_pwron(void) { power_on(); fix_cpos; disptop = scrtop; deselect(); term_update(); }
/* * Attempt to scroll the scrollback. The second parameter gives the * position we want to scroll to; the first is +1 to denote that * this position is relative to the beginning of the scrollback, -1 * to denote it is relative to the end, and 0 to denote that it is * relative to the current position. */ void term_scroll (int rel, int where) { int n = where * (cols+1); disptop = (rel < 0 ? scrtop : rel > 0 ? sbtop : disptop) + n; if (disptop < sbtop) disptop = sbtop; if (disptop > scrtop) disptop = scrtop; update_sbar(); term_update(); }
/* Update the %_terms table to map the term [zTerm] to the given rowid. */ static int index_insert_term(fulltext_vtab *v, const char *zTerm, int nTerm, sqlite_int64 iDocid, DocList *p){ sqlite_int64 iFirst; sqlite_int64 iIndexRow; DocList doclist; int rc = term_chunk_select(v, zTerm, nTerm, iDocid, &iFirst); if( rc==SQLITE_DONE ){ docListInit(&doclist, DL_POSITIONS_OFFSETS, 0, 0); if( docListUpdate(&doclist, iDocid, p) ){ rc = term_insert(v, zTerm, nTerm, iDocid, &doclist); docListDestroy(&doclist); return rc; } return SQLITE_OK; } if( rc!=SQLITE_ROW ) return SQLITE_ERROR; /* This word is in the index; add this document ID to its blob. */ rc = term_select(v, zTerm, nTerm, iFirst, &iIndexRow, &doclist); if( rc!=SQLITE_OK ) return rc; if( docListUpdate(&doclist, iDocid, p) ){ /* If the blob is too big, split it in half. */ if( doclist.nData>CHUNK_MAX ){ DocList half; if( docListSplit(&doclist, &half) ){ rc = term_insert(v, zTerm, nTerm, firstDocid(&half), &half); docListDestroy(&half); if( rc!=SQLITE_OK ) goto err; } } rc = term_update(v, iIndexRow, &doclist); } err: docListDestroy(&doclist); return rc; }
static int index_delete_term(fulltext_vtab *v, const char *zTerm, int nTerm, sqlite_int64 iDocid){ sqlite_int64 iFirst; sqlite_int64 iIndexRow; DocList doclist; int rc = term_chunk_select(v, zTerm, nTerm, iDocid, &iFirst); if( rc!=SQLITE_ROW ) return SQLITE_ERROR; rc = term_select(v, zTerm, nTerm, iFirst, &iIndexRow, &doclist); if( rc!=SQLITE_OK ) return rc; if( docListUpdate(&doclist, iDocid, NULL) ){ if( doclist.nData>0 ){ rc = term_update(v, iIndexRow, &doclist); } else { /* empty posting list */ rc = term_delete(v, iIndexRow); } } docListDestroy(&doclist); return rc; }
/* * Remove everything currently in `inbuf' and stick it up on the * in-memory display. There's a big state machine in here to * process escape sequences... */ void term_out(void) { int c; int must_update = FALSE; while ( (c = inbuf_getc()) != -1) { #ifdef LOG { static FILE *fp = NULL; if (!fp) fp = fopen("putty.log", "wb"); if (fp) fputc (c, fp); } #endif switch (termstate) { case TOPLEVEL: do_toplevel: switch (c) { case '\005': /* terminal type query */ ldisc->send ("\033[?1;2c", 7); break; case '\007': beep(); disptop = scrtop; must_update = TRUE; break; case '\b': if (curs_x == 0 && curs_y > 0) curs_x = cols-1, curs_y--; else if (wrapnext) wrapnext = FALSE; else curs_x--; fix_cpos; disptop = scrtop; must_update = TRUE; break; case '\016': cset = 1; break; case '\017': cset = 0; break; case '\033': termstate = SEEN_ESC; break; case 0233: termstate = SEEN_CSI; esc_nargs = 1; esc_args[0] = ARG_DEFAULT; esc_query = FALSE; break; case 0235: termstate = SEEN_OSC; esc_args[0] = 0; break; case '\r': curs_x = 0; wrapnext = FALSE; fix_cpos; disptop = scrtop; must_update = TRUE; break; case '\013': case '\014': case '\n': if (curs_y == marg_b) scroll (marg_t, marg_b, 1, TRUE); else if (curs_y < rows-1) curs_y++; if (cfg.lfhascr) curs_x = 0; fix_cpos; wrapnext = FALSE; disptop = scrtop; nl_count++; break; case '\t': do { curs_x++; } while (curs_x < cols-1 && !tabs[curs_x]); if (curs_x >= cols) curs_x = cols-1; { unsigned long *old_cpos = cpos; fix_cpos; check_selection (old_cpos, cpos); } disptop = scrtop; must_update = TRUE; break; default: if (c >= ' ' && c != 0234) { if (wrapnext) { cpos[1] = ATTR_WRAPPED; if (curs_y == marg_b) scroll (marg_t, marg_b, 1, TRUE); else if (curs_y < rows-1) curs_y++; curs_x = 0; fix_cpos; wrapnext = FALSE; nl_count++; } if (insert) insch (1); check_selection (cpos, cpos+1); *cpos++ = xlat_tty2scr((unsigned char)c) | curr_attr | (c <= 0x7F ? cset_attr[cset] : ATTR_ASCII); curs_x++; if (curs_x == cols) { cpos--; curs_x--; wrapnext = wrap; } disptop = scrtop; } } break; case IGNORE_NEXT: termstate = TOPLEVEL; break; case OSC_MAYBE_ST: /* * This state is virtually identical to SEEN_ESC, with the * exception that we have an OSC sequence in the pipeline, * and _if_ we see a backslash, we process it. */ if (c == '\\') { do_osc(); termstate = TOPLEVEL; break; } /* else fall through */ case SEEN_ESC: termstate = TOPLEVEL; switch (c) { case '\005': case '\007': case '\b': case '\016': case '\017': case '\033': case 0233: case 0234: case 0235: case '\r': case '\013': case '\014': case '\n': case '\t': termstate = TOPLEVEL; goto do_toplevel; /* hack... */ case ' ': /* some weird sequence? */ termstate = IGNORE_NEXT; break; case '[': /* enter CSI mode */ termstate = SEEN_CSI; esc_nargs = 1; esc_args[0] = ARG_DEFAULT; esc_query = FALSE; break; case ']': /* xterm escape sequences */ termstate = SEEN_OSC; esc_args[0] = 0; break; case '(': /* should set GL */ termstate = SET_GL; break; case ')': /* should set GR */ termstate = SET_GR; break; case '7': /* save cursor */ save_cursor (TRUE); break; case '8': /* restore cursor */ save_cursor (FALSE); disptop = scrtop; must_update = TRUE; break; case '=': app_keypad_keys = TRUE; break; case '>': app_keypad_keys = FALSE; break; case 'D': /* exactly equivalent to LF */ if (curs_y == marg_b) scroll (marg_t, marg_b, 1, TRUE); else if (curs_y < rows-1) curs_y++; fix_cpos; wrapnext = FALSE; disptop = scrtop; nl_count++; break; case 'E': /* exactly equivalent to CR-LF */ curs_x = 0; wrapnext = FALSE; if (curs_y == marg_b) scroll (marg_t, marg_b, 1, TRUE); else if (curs_y < rows-1) curs_y++; fix_cpos; wrapnext = FALSE; nl_count++; disptop = scrtop; break; case 'M': /* reverse index - backwards LF */ if (curs_y == marg_t) scroll (marg_t, marg_b, -1, TRUE); else if (curs_y > 0) curs_y--; fix_cpos; wrapnext = FALSE; disptop = scrtop; must_update = TRUE; break; case 'Z': /* terminal type query */ ldisc->send ("\033[?6c", 5); break; case 'c': /* restore power-on settings */ power_on(); fix_cpos; disptop = scrtop; must_update = TRUE; break; case '#': /* ESC # 8 fills screen with Es :-) */ termstate = SEEN_ESCHASH; break; case 'H': /* set a tab */ tabs[curs_x] = TRUE; break; } break; case SEEN_CSI: termstate = TOPLEVEL; /* default */ switch (c) { case '\005': case '\007': case '\b': case '\016': case '\017': case '\033': case 0233: case 0234: case 0235: case '\r': case '\013': case '\014': case '\n': case '\t': termstate = TOPLEVEL; goto do_toplevel; /* hack... */ case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': if (esc_nargs <= ARGS_MAX) { if (esc_args[esc_nargs-1] == ARG_DEFAULT) esc_args[esc_nargs-1] = 0; esc_args[esc_nargs-1] = 10 * esc_args[esc_nargs-1] + c - '0'; } termstate = SEEN_CSI; break; case ';': if (++esc_nargs <= ARGS_MAX) esc_args[esc_nargs-1] = ARG_DEFAULT; termstate = SEEN_CSI; break; case '?': esc_query = TRUE; termstate = SEEN_CSI; break; case 'A': /* move up N lines */ move (curs_x, curs_y - def(esc_args[0], 1), 1); disptop = scrtop; must_update = TRUE; break; case 'B': case 'e': /* move down N lines */ move (curs_x, curs_y + def(esc_args[0], 1), 1); disptop = scrtop; must_update = TRUE; break; case 'C': case 'a': /* move right N cols */ move (curs_x + def(esc_args[0], 1), curs_y, 1); disptop = scrtop; must_update = TRUE; break; case 'D': /* move left N cols */ move (curs_x - def(esc_args[0], 1), curs_y, 1); disptop = scrtop; must_update = TRUE; break; case 'E': /* move down N lines and CR */ move (0, curs_y + def(esc_args[0], 1), 1); disptop = scrtop; must_update = TRUE; break; case 'F': /* move up N lines and CR */ move (0, curs_y - def(esc_args[0], 1), 1); disptop = scrtop; must_update = TRUE; break; case 'G': case '`': /* set horizontal posn */ move (def(esc_args[0], 1) - 1, curs_y, 0); disptop = scrtop; must_update = TRUE; break; case 'd': /* set vertical posn */ move (curs_x, (dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1, (dec_om ? 2 : 0)); disptop = scrtop; must_update = TRUE; break; case 'H': case 'f': /* set horz and vert posns at once */ if (esc_nargs < 2) esc_args[1] = ARG_DEFAULT; move (def(esc_args[1], 1) - 1, (dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1, (dec_om ? 2 : 0)); disptop = scrtop; must_update = TRUE; break; case 'J': /* erase screen or parts of it */ { unsigned int i = def(esc_args[0], 0) + 1; if (i > 3) i = 0; erase_lots(FALSE, !!(i & 2), !!(i & 1)); } disptop = scrtop; must_update = TRUE; break; case 'K': /* erase line or parts of it */ { unsigned int i = def(esc_args[0], 0) + 1; if (i > 3) i = 0; erase_lots(TRUE, !!(i & 2), !!(i & 1)); } disptop = scrtop; must_update = TRUE; break; case 'L': /* insert lines */ if (curs_y <= marg_b) scroll (curs_y, marg_b, -def(esc_args[0], 1), FALSE); disptop = scrtop; must_update = TRUE; break; case 'M': /* delete lines */ if (curs_y <= marg_b) scroll (curs_y, marg_b, def(esc_args[0], 1), FALSE); disptop = scrtop; must_update = TRUE; break; case '@': /* insert chars */ insch (def(esc_args[0], 1)); disptop = scrtop; must_update = TRUE; break; case 'P': /* delete chars */ insch (-def(esc_args[0], 1)); disptop = scrtop; must_update = TRUE; break; case 'c': /* terminal type query */ ldisc->send ("\033[?6c", 5); break; case 'n': /* cursor position query */ if (esc_args[0] == 6) { char buf[32]; sprintf (buf, "\033[%d;%dR", curs_y + 1, curs_x + 1); ldisc->send (buf, strlen(buf)); } break; case 'h': /* toggle a mode to high */ toggle_mode (esc_args[0], esc_query, TRUE); break; case 'l': /* toggle a mode to low */ toggle_mode (esc_args[0], esc_query, FALSE); break; case 'g': /* clear tabs */ if (esc_nargs == 1) { if (esc_args[0] == 0) { tabs[curs_x] = FALSE; } else if (esc_args[0] == 3) { int i; for (i = 0; i < cols; i++) tabs[i] = FALSE; } } break; case 'r': /* set scroll margins */ if (!esc_query && esc_nargs <= 2) { int top, bot; top = def(esc_args[0], 1) - 1; if (top < 0) top = 0; bot = (esc_nargs <= 1 || esc_args[1] == 0 ? rows : def(esc_args[1], rows)) - 1; if (bot >= rows) bot = rows-1; if (top <= bot) { marg_t = top; marg_b = bot; curs_x = 0; /* * I used to think the cursor should be * placed at the top of the newly marginned * area. Apparently not: VMS TPU falls over * if so. */ curs_y = 0; fix_cpos; disptop = scrtop; must_update = TRUE; } } break; case 'm': /* set graphics rendition */ { int i; for (i=0; i<esc_nargs; i++) { switch (def(esc_args[i], 0)) { case 0: /* restore defaults */ curr_attr = ATTR_DEFAULT; break; case 1: /* enable bold */ curr_attr |= ATTR_BOLD; break; case 4: /* enable underline */ case 21: /* (enable double underline) */ curr_attr |= ATTR_UNDER; break; case 7: /* enable reverse video */ curr_attr |= ATTR_REVERSE; break; case 22: /* disable bold */ curr_attr &= ~ATTR_BOLD; break; case 24: /* disable underline */ curr_attr &= ~ATTR_UNDER; break; case 27: /* disable reverse video */ curr_attr &= ~ATTR_REVERSE; break; case 30: case 31: case 32: case 33: case 34: case 35: case 36: case 37: /* foreground */ curr_attr &= ~ATTR_FGMASK; curr_attr |= (esc_args[i] - 30) << ATTR_FGSHIFT; break; case 39: /* default-foreground */ curr_attr &= ~ATTR_FGMASK; curr_attr |= ATTR_DEFFG; break; case 40: case 41: case 42: case 43: case 44: case 45: case 46: case 47: /* background */ curr_attr &= ~ATTR_BGMASK; curr_attr |= (esc_args[i] - 40) << ATTR_BGSHIFT; break; case 49: /* default-background */ curr_attr &= ~ATTR_BGMASK; curr_attr |= ATTR_DEFBG; break; } } } break; case 's': /* save cursor */ save_cursor (TRUE); break; case 'u': /* restore cursor */ save_cursor (FALSE); disptop = scrtop; must_update = TRUE; break; case 't': /* set page size - ie window height */ request_resize (cols, def(esc_args[0], 24)); deselect(); break; case 'X': /* write N spaces w/o moving cursor */ { int n = def(esc_args[0], 1); unsigned long *p = cpos; if (n > cols - curs_x) n = cols - curs_x; check_selection (cpos, cpos+n); while (n--) *p++ = ERASE_CHAR; disptop = scrtop; must_update = TRUE; } break; case 'x': /* report terminal characteristics */ { char buf[32]; int i = def(esc_args[0], 0); if (i == 0 || i == 1) { strcpy (buf, "\033[2;1;1;112;112;1;0x"); buf[2] += i; ldisc->send (buf, 20); } } break; } break; case SET_GL: case SET_GR: switch (c) { case 'A': cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_GBCHR; break; case '0': cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_LINEDRW; break; default: /* specifically, 'B' */ cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_ASCII; break; } termstate = TOPLEVEL; break; case SEEN_OSC: osc_w = FALSE; switch (c) { case '\005': case '\007': case '\b': case '\016': case '\017': case '\033': case 0233: case 0234: case 0235: case '\r': case '\013': case '\014': case '\n': case '\t': termstate = TOPLEVEL; goto do_toplevel; /* hack... */ case 'P': /* Linux palette sequence */ termstate = SEEN_OSC_P; osc_strlen = 0; break; case 'R': /* Linux palette reset */ palette_reset(); term_invalidate(); termstate = TOPLEVEL; break; case 'W': /* word-set */ termstate = SEEN_OSC_W; osc_w = TRUE; break; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': esc_args[0] = 10 * esc_args[0] + c - '0'; break; case 'L': /* * Grotty hack to support xterm and DECterm title * sequences concurrently. */ if (esc_args[0] == 2) { esc_args[0] = 1; break; } /* else fall through */ default: termstate = OSC_STRING; osc_strlen = 0; } break; case OSC_STRING: if (c == 0234 || c == '\007') { /* * These characters terminate the string; ST and BEL * terminate the sequence and trigger instant * processing of it, whereas ESC goes back to SEEN_ESC * mode unless it is followed by \, in which case it is * synonymous with ST in the first place. */ do_osc(); termstate = TOPLEVEL; } else if (c == '\033') termstate = OSC_MAYBE_ST; else if (osc_strlen < OSC_STR_MAX) osc_string[osc_strlen++] = c; break; case SEEN_OSC_P: { int max = (osc_strlen == 0 ? 21 : 16); int val; if (c >= '0' && c <= '9') val = c - '0'; else if (c >= 'A' && c <= 'A'+max-10) val = c - 'A' + 10; else if (c >= 'a' && c <= 'a'+max-10) val = c - 'a' + 10; else termstate = TOPLEVEL; osc_string[osc_strlen++] = val; if (osc_strlen >= 7) { palette_set (osc_string[0], osc_string[1] * 16 + osc_string[2], osc_string[3] * 16 + osc_string[4], osc_string[5] * 16 + osc_string[6]); term_invalidate(); termstate = TOPLEVEL; } } break; case SEEN_OSC_W: switch (c) { case '\005': case '\007': case '\b': case '\016': case '\017': case '\033': case 0233: case 0234: case 0235: case '\r': case '\013': case '\014': case '\n': case '\t': termstate = TOPLEVEL; goto do_toplevel; /* hack... */ case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': esc_args[0] = 10 * esc_args[0] + c - '0'; break; default: termstate = OSC_STRING; osc_strlen = 0; } break; case SEEN_ESCHASH: if (c == '8') { unsigned long *p = scrtop; int n = rows * (cols+1); while (n--) *p++ = ATTR_DEFAULT | 'E'; disptop = scrtop; must_update = TRUE; check_selection (scrtop, scrtop + rows * (cols+1)); } termstate = TOPLEVEL; break; } check_selection (cpos, cpos+1); } if (must_update || nl_count > MAXNL) term_update(); }
/* * Set up the terminal for a given size. */ void term_size(int newrows, int newcols, int newsavelines) { unsigned long *newtext, *newdisp, *newwant, *newalt; int i, j, crows, ccols; if (newrows == rows && newcols == cols && newsavelines == savelines) return; /* nothing to do */ alt_t = marg_t = 0; alt_b = marg_b = newrows - 1; newtext = smalloc ((newrows+newsavelines)*(newcols+1)*TSIZE); disptop = newtext + newsavelines*(newcols+1); for (i=0; i<(newrows+newsavelines)*(newcols+1); i++) newtext[i] = ERASE_CHAR; if (rows != -1) { crows = rows + (scrtop - sbtop) / (cols+1); if (crows > newrows+newsavelines) crows = newrows+newsavelines; ccols = (cols < newcols ? cols : newcols); for (i=0; i<crows; i++) { int oldidx = (rows + savelines - crows + i) * (cols+1); int newidx = (newrows + newsavelines - crows + i) * (newcols+1); for (j=0; j<ccols; j++) newtext[newidx+j] = text[oldidx+j]; newtext[newidx+newcols] = (cols == newcols ? text[oldidx+cols] : 0); } sbtop = disptop - (crows - newrows) * (newcols+1); if (sbtop > disptop) sbtop = disptop; } else sbtop = disptop; scrtop = disptop; sfree (text); text = newtext; newdisp = smalloc (newrows*(newcols+1)*TSIZE); for (i=0; i<newrows*(newcols+1); i++) newdisp[i] = ATTR_INVALID; sfree (disptext); disptext = newdisp; newwant = smalloc (newrows*(newcols+1)*TSIZE); for (i=0; i<newrows*(newcols+1); i++) newwant[i] = ATTR_INVALID; sfree (wanttext); wanttext = newwant; newalt = smalloc (newrows*(newcols+1)*TSIZE); for (i=0; i<newrows*(newcols+1); i++) newalt[i] = ERASE_CHAR; sfree (alttext); alttext = newalt; sfree (selspace); selspace = smalloc ( (newrows+newsavelines) * (newcols+sizeof(sel_nl)) ); tabs = srealloc (tabs, newcols*sizeof(*tabs)); { int i; for (i = (cols > 0 ? cols : 0); i < newcols; i++) tabs[i] = (i % 8 == 0 ? TRUE : FALSE); } if (rows > 0) curs_y += newrows - rows; if (curs_y < 0) curs_y = 0; if (curs_y >= newrows) curs_y = newrows-1; if (curs_x >= newcols) curs_x = newcols-1; alt_x = alt_y = 0; wrapnext = alt_wnext = FALSE; rows = newrows; cols = newcols; savelines = newsavelines; fix_cpos; deselect(); update_sbar(); term_update(); }
void term_deselect (void) { deselect(); term_update(); }
void term_mouse (Mouse_Button b, Mouse_Action a, int x, int y) { unsigned long *selpoint; if (y<0) y = 0; if (y>=rows) y = rows-1; if (x<0) { if (y > 0) { x = cols-1; y--; } else x = 0; } if (x>=cols) x = cols-1; selpoint = disptop + y * (cols+1) + x; if (b == MB_SELECT && a == MA_CLICK) { deselect(); selstate = ABOUT_TO; selanchor = selpoint; selmode = SM_CHAR; } else if (b == MB_SELECT && (a == MA_2CLK || a == MA_3CLK)) { deselect(); selmode = (a == MA_2CLK ? SM_WORD : SM_LINE); selstate = DRAGGING; selstart = selanchor = selpoint; selend = selstart + 1; sel_spread(); } else if ((b == MB_SELECT && a == MA_DRAG) || (b == MB_EXTEND && a != MA_RELEASE)) { if (selstate == ABOUT_TO && selanchor == selpoint) return; if (b == MB_EXTEND && a != MA_DRAG && selstate == SELECTED) { if (selpoint-selstart < (selend-selstart)/2) selanchor = selend - 1; else selanchor = selstart; selstate = DRAGGING; } if (selstate != ABOUT_TO && selstate != DRAGGING) selanchor = selpoint; selstate = DRAGGING; if (selpoint < selanchor) { selstart = selpoint; selend = selanchor + 1; } else { selstart = selanchor; selend = selpoint + 1; } sel_spread(); } else if ((b == MB_SELECT || b == MB_EXTEND) && a == MA_RELEASE) { if (selstate == DRAGGING) { /* * We've completed a selection. We now transfer the * data to the clipboard. */ unsigned char *p = selspace; unsigned long *q = selstart; while (q < selend) { int nl = FALSE; unsigned long *lineend = q - (q-text) % (cols+1) + cols; unsigned long *nlpos = lineend; if (!(*nlpos & ATTR_WRAPPED)) { while ((nlpos[-1] & CHAR_MASK) == 0x20 && nlpos > q) nlpos--; if (nlpos < selend) nl = TRUE; } while (q < nlpos && q < selend) *p++ = (unsigned char) (*q++ & CHAR_MASK); if (nl) { int i; for (i=0; i<sizeof(sel_nl); i++) *p++ = sel_nl[i]; } q = lineend + 1; /* start of next line */ } write_clip (selspace, p - selspace); selstate = SELECTED; } else selstate = NO_SELECTION; } else if (b == MB_PASTE && (a==MA_CLICK || a==MA_2CLK || a==MA_3CLK)) { char *data; int len; get_clip((void **) &data, &len); if (data) { char *p, *q; p = q = data; while (p < data+len) { while (p < data+len && !(p <= data+len-sizeof(sel_nl) && !memcmp(p, sel_nl, sizeof(sel_nl)))) p++; { int i; unsigned char c; for(i=0;i<p-q;i++) { c=xlat_kbd2tty(q[i]); ldisc->send(&c,1); } } if (p <= data+len-sizeof(sel_nl) && !memcmp(p, sel_nl, sizeof(sel_nl))) { ldisc->send ("\r", 1); p += sizeof(sel_nl); } q = p; } } get_clip(NULL, NULL); } term_update(); }
/* return true if command handled */ void readline_handle_byte(int ch) { switch(term_esc_state) { case IS_NORM: switch(ch) { case 1: term_bol(); break; case 4: term_delete_char(); break; case 5: term_eol(); break; case 9: term_completion(); break; case 10: case 13: term_cmd_buf[term_cmd_buf_size] = '\0'; if (!term_is_password) term_hist_add(term_cmd_buf); term_printf("\n"); term_cmd_buf_index = 0; term_cmd_buf_size = 0; term_last_cmd_buf_index = 0; term_last_cmd_buf_size = 0; /* NOTE: readline_start can be called here */ term_readline_func(term_readline_opaque, term_cmd_buf); break; case 23: /* ^W */ term_backword(); break; case 27: term_esc_state = IS_ESC; break; case 127: case 8: term_backspace(); break; case 155: term_esc_state = IS_CSI; break; default: if (ch >= 32) { term_insert_char(ch); } break; } break; case IS_ESC: if (ch == '[') { term_esc_state = IS_CSI; term_esc_param = 0; } else { term_esc_state = IS_NORM; } break; case IS_CSI: switch(ch) { case 'A': case 'F': term_up_char(); break; case 'B': case 'E': term_down_char(); break; case 'D': term_backward_char(); break; case 'C': term_forward_char(); break; case '0' ... '9': term_esc_param = term_esc_param * 10 + (ch - '0'); goto the_end; case '~': switch(term_esc_param) { case 1: term_bol(); break; case 3: term_delete_char(); break; case 4: term_eol(); break; } break; default: break; } term_esc_state = IS_NORM; the_end: break; } term_update(); }