/* $OpenBSD: parse_entry.c,v 1.13 2010/01/12 23:22:06 nicm Exp $ */ /**************************************************************************** * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, distribute with modifications, sublicense, and/or sell * * copies of the Software, and to permit persons to whom the Software is * * furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included * * in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * * Except as contained in this notice, the name(s) of the above copyright * * holders shall not be used in advertising or otherwise to promote the * * sale, use or other dealings in this Software without prior written * * authorization. * ****************************************************************************/ /**************************************************************************** * Author: Zeyd M. Ben-Halim 1992,1995 * * and: Eric S. Raymond * * and: Thomas E. Dickey 1996-on * ****************************************************************************/ /* * parse_entry.c -- compile one terminfo or termcap entry * * Get an exact in-core representation of an entry. Don't * try to resolve use or tc capabilities, that is someone * else's job. Depends on the lexical analyzer to get tokens * from the input stream. */ #define __INTERNAL_CAPS_VISIBLE #include #include #include #include MODULE_ID("$Id: parse_entry.c,v 1.13 2010/01/12 23:22:06 nicm Exp $") #ifdef LINT static short const parametrized[] = {0}; #else #include #endif static void postprocess_termcap(TERMTYPE *, bool); static void postprocess_terminfo(TERMTYPE *); static struct name_table_entry const *lookup_fullname(const char *name); #if NCURSES_XNAMES static struct name_table_entry const * _nc_extend_names(ENTRY * entryp, char *name, int token_type) { static struct name_table_entry temp; TERMTYPE *tp = &(entryp->tterm); unsigned offset = 0; unsigned actual; unsigned tindex; unsigned first, last, n; bool found; switch (token_type) { case BOOLEAN: first = 0; last = tp->ext_Booleans; offset = tp->ext_Booleans; tindex = tp->num_Booleans; break; case NUMBER: first = tp->ext_Booleans; last = tp->ext_Numbers + first; offset = tp->ext_Booleans + tp->ext_Numbers; tindex = tp->num_Numbers; break; case STRING: first = tp->ext_Booleans + tp->ext_Numbers; last = tp->ext_Strings + first; offset = tp->ext_Booleans + tp->ext_Numbers + tp->ext_Strings; tindex = tp->num_Strings; break; case CANCEL: actual = NUM_EXT_NAMES(tp); for (n = 0; n < actual; n++) { if (!strcmp(name, tp->ext_Names[n])) { if (n > (unsigned) (tp->ext_Booleans + tp->ext_Numbers)) { token_type = STRING; } else if (n > tp->ext_Booleans) { token_type = NUMBER; } else { token_type = BOOLEAN; } return _nc_extend_names(entryp, name, token_type); } } /* Well, we are given a cancel for a name that we don't recognize */ return _nc_extend_names(entryp, name, STRING); default: return 0; } /* Adjust the 'offset' (insertion-point) to keep the lists of extended * names sorted. */ for (n = first, found = FALSE; n < last; n++) { int cmp = strcmp(tp->ext_Names[n], name); if (cmp == 0) found = TRUE; if (cmp >= 0) { offset = n; tindex = n - first; switch (token_type) { case BOOLEAN: tindex += BOOLCOUNT; break; case NUMBER: tindex += NUMCOUNT; break; case STRING: tindex += STRCOUNT; break; } break; } } if (!found) { switch (token_type) { case BOOLEAN: tp->ext_Booleans += 1; tp->num_Booleans += 1; tp->Booleans = typeRealloc(NCURSES_SBOOL, tp->num_Booleans, tp->Booleans); for (last = tp->num_Booleans - 1; last > tindex; last--) tp->Booleans[last] = tp->Booleans[last - 1]; break; case NUMBER: tp->ext_Numbers += 1; tp->num_Numbers += 1; tp->Numbers = typeRealloc(short, tp->num_Numbers, tp->Numbers); for (last = tp->num_Numbers - 1; last > tindex; last--) tp->Numbers[last] = tp->Numbers[last - 1]; break; case STRING: tp->ext_Strings += 1; tp->num_Strings += 1; tp->Strings = typeRealloc(char *, tp->num_Strings, tp->Strings); for (last = tp->num_Strings - 1; last > tindex; last--) tp->Strings[last] = tp->Strings[last - 1]; break; } actual = NUM_EXT_NAMES(tp); tp->ext_Names = typeRealloc(char *, actual, tp->ext_Names); while (--actual > offset) tp->ext_Names[actual] = tp->ext_Names[actual - 1]; tp->ext_Names[offset] = _nc_save_str(name); } temp.nte_name = tp->ext_Names[offset]; temp.nte_type = token_type; temp.nte_index = tindex; temp.nte_link = -1; return &temp; } #endif /* NCURSES_XNAMES */ /* * int * _nc_parse_entry(entry, literal, silent) * * Compile one entry. Doesn't try to resolve use or tc capabilities. * * found-forward-use = FALSE * re-initialise internal arrays * get_token(); * if the token was not a name in column 1, complain and die * save names in entry's string table * while (get_token() is not EOF and not NAMES) * check for existence and type-correctness * enter cap into structure * if STRING * save string in entry's string table * push back token */ #define BAD_TC_USAGE if (!bad_tc_usage) \ { bad_tc_usage = TRUE; \ _nc_warning("Legacy termcap allows only a trailing tc= clause"); } NCURSES_EXPORT(int) _nc_parse_entry(struct entry *entryp, int literal, bool silent) { int token_type; struct name_table_entry const *entry_ptr; char *ptr, *base; bool bad_tc_usage = FALSE; token_type = _nc_get_token(silent); if (token_type == EOF) return (EOF); if (token_type != NAMES) _nc_err_abort("Entry does not start with terminal names in column one"); _nc_init_entry(&entryp->tterm); entryp->cstart = _nc_comment_start; entryp->cend = _nc_comment_end; entryp->startline = _nc_start_line; DEBUG(2, ("Comment range is %ld to %ld", entryp->cstart, entryp->cend)); /* * Strip off the 2-character termcap name, if present. Originally termcap * used that as an indexing aid. We can retain 2-character terminfo names, * but note that they would be lost if we translate to/from termcap. This * feature is supposedly obsolete since "newer" BSD implementations do not * use it; however our reference for this feature is SunOS 4.x, which * implemented it. Note that the resulting terminal type was never the * 2-character name, but was instead the first alias after that. */ ptr = _nc_curr_token.tk_name; if (_nc_syntax == SYN_TERMCAP #if NCURSES_XNAMES && !_nc_user_definable #endif ) { if (ptr[2] == '|') { ptr += 3; _nc_curr_token.tk_name[2] = '\0'; } } entryp->tterm.str_table = entryp->tterm.term_names = _nc_save_str(ptr); if (entryp->tterm.str_table == 0) return (ERR); DEBUG(1, ("Starting '%s'", ptr)); /* * We do this because the one-token lookahead in the parse loop * results in the terminal type getting prematurely set to correspond * to that of the next entry. */ _nc_set_type(_nc_first_name(entryp->tterm.term_names)); /* check for overly-long names and aliases */ for (base = entryp->tterm.term_names; (ptr = strchr(base, '|')) != 0; base = ptr + 1) { if (ptr - base > MAX_ALIAS) { _nc_warning("%s `%.*s' may be too long", (base == entryp->tterm.term_names) ? "primary name" : "alias", (int) (ptr - base), base); } } entryp->nuses = 0; for (token_type = _nc_get_token(silent); token_type != EOF && token_type != NAMES; token_type = _nc_get_token(silent)) { bool is_use = (strcmp(_nc_curr_token.tk_name, "use") == 0); bool is_tc = !is_use && (strcmp(_nc_curr_token.tk_name, "tc") == 0); if (is_use || is_tc) { entryp->uses[entryp->nuses].name = _nc_save_str(_nc_curr_token.tk_valstring); entryp->uses[entryp->nuses].line = _nc_curr_line; entryp->nuses++; if (entryp->nuses > 1 && is_tc) { BAD_TC_USAGE } } else { /* normal token lookup */ entry_ptr = _nc_find_entry(_nc_curr_token.tk_name, _nc_get_hash_table(_nc_syntax)); /* * Our kluge to handle aliasing. The reason it's done * this ugly way, with a linear search, is so the hashing * machinery doesn't have to be made really complicated * (also we get better warnings this way). No point in * making this case fast, aliased caps aren't common now * and will get rarer. */ if (entry_ptr == NOTFOUND) { const struct alias *ap; if (_nc_syntax == SYN_TERMCAP) { if (entryp->nuses != 0) { BAD_TC_USAGE } for (ap = _nc_get_alias_table(TRUE); ap->from; ap++) if (strcmp(ap->from, _nc_curr_token.tk_name) == 0) { if (ap->to == (char *) 0) { _nc_warning("%s (%s termcap extension) ignored", ap->from, ap->source); goto nexttok; } entry_ptr = _nc_find_entry(ap->to, _nc_get_hash_table(TRUE)); if (entry_ptr && !silent) _nc_warning("%s (%s termcap extension) aliased to %s", ap->from, ap->source, ap->to); break; } } else { /* if (_nc_syntax == SYN_TERMINFO) */ for (ap = _nc_get_alias_table(FALSE); ap->from; ap++) if (strcmp(ap->from, _nc_curr_token.tk_name) == 0) { if (ap->to == (char *) 0) { _nc_warning("%s (%s terminfo extension) ignored", ap->from, ap->source); goto nexttok; } entry_ptr = _nc_find_entry(ap->to, _nc_get_hash_table(FALSE)); if (entry_ptr && !silent) _nc_warning("%s (%s terminfo extension) aliased to %s", ap->from, ap->source, ap->to); break; } if (entry_ptr == NOTFOUND) { entry_ptr = lookup_fullname(_nc_curr_token.tk_name); } } } #if NCURSES_XNAMES /* * If we have extended-names active, we will automatically * define a name based on its context. */ if (entry_ptr == NOTFOUND && _nc_user_definable && (entry_ptr = _nc_extend_names(entryp, _nc_curr_token.tk_name, token_type)) != 0) { if (_nc_tracing >= DEBUG_LEVEL(1)) _nc_warning("extended capability '%s'", _nc_curr_token.tk_name); } #endif /* NCURSES_XNAMES */ /* can't find this cap name, not even as an alias */ if (entry_ptr == NOTFOUND) { if (!silent) _nc_warning("unknown capability '%s'", _nc_curr_token.tk_name); continue; } /* deal with bad type/value combinations. */ if (token_type != CANCEL && entry_ptr->nte_type != token_type) { /* * Nasty special cases here handle situations in which type * information can resolve name clashes. Normal lookup * finds the last instance in the capability table of a * given name, regardless of type. find_type_entry looks * for a first matching instance with given type. So as * long as all ambiguous names occur in pairs of distinct * type, this will do the job. */ if (token_type == NUMBER && !strcmp("ma", _nc_curr_token.tk_name)) { /* tell max_attributes from arrow_key_map */ entry_ptr = _nc_find_type_entry("ma", NUMBER, _nc_get_table(_nc_syntax != 0)); assert(entry_ptr != 0); } else if (token_type == STRING && !strcmp("MT", _nc_curr_token.tk_name)) { /* map terminfo's string MT to MT */ entry_ptr = _nc_find_type_entry("MT", STRING, _nc_get_table(_nc_syntax != 0)); assert(entry_ptr != 0); } else if (token_type == BOOLEAN && entry_ptr->nte_type == STRING) { /* treat strings without following "=" as empty strings */ token_type = STRING; } else { /* we couldn't recover; skip this token */ if (!silent) { const char *type_name; switch (entry_ptr->nte_type) { case BOOLEAN: type_name = "boolean"; break; case STRING: type_name = "string"; break; case NUMBER: type_name = "numeric"; break; default: type_name = "unknown"; break; } _nc_warning("wrong type used for %s capability '%s'", type_name, _nc_curr_token.tk_name); } continue; } } /* now we know that the type/value combination is OK */ switch (token_type) { case CANCEL: switch (entry_ptr->nte_type) { case BOOLEAN: entryp->tterm.Booleans[entry_ptr->nte_index] = CANCELLED_BOOLEAN; break; case NUMBER: entryp->tterm.Numbers[entry_ptr->nte_index] = CANCELLED_NUMERIC; break; case STRING: entryp->tterm.Strings[entry_ptr->nte_index] = CANCELLED_STRING; break; } break; case BOOLEAN: entryp->tterm.Booleans[entry_ptr->nte_index] = TRUE; break; case NUMBER: entryp->tterm.Numbers[entry_ptr->nte_index] = _nc_curr_token.tk_valnumber; break; case STRING: ptr = _nc_curr_token.tk_valstring; if (_nc_syntax == SYN_TERMCAP) ptr = _nc_captoinfo(_nc_curr_token.tk_name, ptr, parametrized[entry_ptr->nte_index]); entryp->tterm.Strings[entry_ptr->nte_index] = _nc_save_str(ptr); break; default: if (!silent) _nc_warning("unknown token type"); _nc_panic_mode((char) ((_nc_syntax == SYN_TERMCAP) ? ':' : ',')); continue; } } /* end else cur_token.name != "use" */ nexttok: continue; /* cannot have a label w/o statement */ } /* endwhile (not EOF and not NAMES) */ _nc_push_token(token_type); _nc_set_type(_nc_first_name(entryp->tterm.term_names)); /* * Try to deduce as much as possible from extension capabilities * (this includes obsolete BSD capabilities). Sigh...it would be more * space-efficient to call this after use resolution, but it has * to be done before entry allocation is wrapped up. */ if (!literal) { if (_nc_syntax == SYN_TERMCAP) { bool has_base_entry = FALSE; unsigned i; /* * Don't insert defaults if this is a `+' entry meant only * for inclusion in other entries (not sure termcap ever * had these, actually). */ if (strchr(entryp->tterm.term_names, '+')) has_base_entry = TRUE; else /* * Otherwise, look for a base entry that will already * have picked up defaults via translation. */ for (i = 0; i < entryp->nuses; i++) if (!strchr((char *) entryp->uses[i].name, '+')) has_base_entry = TRUE; postprocess_termcap(&entryp->tterm, has_base_entry); } else postprocess_terminfo(&entryp->tterm); } _nc_wrap_entry(entryp, FALSE); return (OK); } NCURSES_EXPORT(int) _nc_capcmp(const char *s, const char *t) /* compare two string capabilities, stripping out padding */ { if (!s && !t) return (0); else if (!s || !t) return (1); for (;;) { if (s[0] == '$' && s[1] == '<') { for (s += 2;; s++) if (!(isdigit(UChar(*s)) || *s == '.' || *s == '*' || *s == '/' || *s == '>')) break; } if (t[0] == '$' && t[1] == '<') { for (t += 2;; t++) if (!(isdigit(UChar(*t)) || *t == '.' || *t == '*' || *t == '/' || *t == '>')) break; } /* we've now pushed s and t past any padding they were pointing at */ if (*s == '\0' && *t == '\0') return (0); if (*s != *t) return (*t - *s); /* else *s == *t but one is not NUL, so continue */ s++, t++; } } static void append_acs0(string_desc * dst, int code, int src) { if (src != 0) { char temp[3]; temp[0] = (char) code; temp[1] = (char) src; temp[2] = 0; _nc_safe_strcat(dst, temp); } } static void append_acs(string_desc * dst, int code, char *src) { if (src != 0 && strlen(src) == 1) { append_acs0(dst, code, *src); } } /* * The ko capability, if present, consists of a comma-separated capability * list. For each capability, we may assume there is a keycap that sends the * string which is the value of that capability. */ typedef struct { const char *from; const char *to; } assoc; static assoc const ko_xlate[] = { {"al", "kil1"}, /* insert line key -> KEY_IL */ {"bt", "kcbt"}, /* back tab -> KEY_BTAB */ {"cd", "ked"}, /* clear-to-eos key -> KEY_EOL */ {"ce", "kel"}, /* clear-to-eol key -> KEY_EOS */ {"cl", "kclr"}, /* clear key -> KEY_CLEAR */ {"ct", "tbc"}, /* clear all tabs -> KEY_CATAB */ {"dc", "kdch1"}, /* delete char -> KEY_DC */ {"dl", "kdl1"}, /* delete line -> KEY_DL */ {"do", "kcud1"}, /* down key -> KEY_DOWN */ {"ei", "krmir"}, /* exit insert key -> KEY_EIC */ {"ho", "khome"}, /* home key -> KEY_HOME */ {"ic", "kich1"}, /* insert char key -> KEY_IC */ {"im", "kIC"}, /* insert-mode key -> KEY_SIC */ {"le", "kcub1"}, /* le key -> KEY_LEFT */ {"nd", "kcuf1"}, /* nd key -> KEY_RIGHT */ {"nl", "kent"}, /* new line key -> KEY_ENTER */ {"st", "khts"}, /* set-tab key -> KEY_STAB */ {"ta", CANCELLED_STRING}, {"up", "kcuu1"}, /* up-arrow key -> KEY_UP */ {(char *) 0, (char *) 0}, }; /* * This routine fills in string caps that either had defaults under * termcap or can be manufactured from obsolete termcap capabilities. * It was lifted from Ross Ridge's mytinfo package. */ static const char C_CR[] = "\r"; static const char C_LF[] = "\n"; static const char C_BS[] = "\b"; static const char C_HT[] = "\t"; /* * Note that WANTED and PRESENT are not simple inverses! If a capability * has been explicitly cancelled, it's not considered WANTED. */ #define WANTED(s) ((s) == ABSENT_STRING) #define PRESENT(s) (((s) != ABSENT_STRING) && ((s) != CANCELLED_STRING)) /* * This bit of legerdemain turns all the terminfo variable names into * references to locations in the arrays Booleans, Numbers, and Strings --- * precisely what's needed. */ #undef CUR #define CUR tp-> static void postprocess_termcap(TERMTYPE *tp, bool has_base) { char buf[MAX_LINE * 2 + 2]; string_desc result; /* * TERMCAP DEFAULTS AND OBSOLETE-CAPABILITY TRANSLATIONS * * This first part of the code is the functional inverse of the * fragment in capdefaults.c. * ---------------------------------------------------------------------- */ /* if there was a tc entry, assume we picked up defaults via that */ if (!has_base) { if (WANTED(init_3string) && termcap_init2) init_3string = _nc_save_str(termcap_init2); if (WANTED(reset_2string) && termcap_reset) reset_2string = _nc_save_str(termcap_reset); if (WANTED(carriage_return)) { if (carriage_return_delay > 0) { snprintf(buf, sizeof(buf), "%s$<%d>", C_CR, carriage_return_delay); carriage_return = _nc_save_str(buf); } else carriage_return = _nc_save_str(C_CR); } if (WANTED(cursor_left)) { if (backspace_delay > 0) { snprintf(buf, sizeof(buf), "%s$<%d>", C_BS, backspace_delay); cursor_left = _nc_save_str(buf); } else if (backspaces_with_bs == 1) cursor_left = _nc_save_str(C_BS); else if (PRESENT(backspace_if_not_bs)) cursor_left = backspace_if_not_bs; } /* vi doesn't use "do", but it does seems to use nl (or '\n') instead */ if (WANTED(cursor_down)) { if (PRESENT(linefeed_if_not_lf)) cursor_down = linefeed_if_not_lf; else if (linefeed_is_newline != 1) { if (new_line_delay > 0) { snprintf(buf, sizeof(buf), "%s$<%d>", C_LF, new_line_delay); cursor_down = _nc_save_str(buf); } else cursor_down = _nc_save_str(C_LF); } } if (WANTED(scroll_forward) && crt_no_scrolling != 1) { if (PRESENT(linefeed_if_not_lf)) cursor_down = linefeed_if_not_lf; else if (linefeed_is_newline != 1) { if (new_line_delay > 0) { snprintf(buf, sizeof(buf), "%s$<%d>", C_LF, new_line_delay); scroll_forward = _nc_save_str(buf); } else scroll_forward = _nc_save_str(C_LF); } } if (WANTED(newline)) { if (linefeed_is_newline == 1) { if (new_line_delay > 0) { snprintf(buf, sizeof(buf), "%s$<%d>", C_LF, new_line_delay); newline = _nc_save_str(buf); } else newline = _nc_save_str(C_LF); } else if (PRESENT(carriage_return) && PRESENT(scroll_forward)) { _nc_str_init(&result, buf, sizeof(buf)); if (_nc_safe_strcat(&result, carriage_return) && _nc_safe_strcat(&result, scroll_forward)) newline = _nc_save_str(buf); } else if (PRESENT(carriage_return) && PRESENT(cursor_down)) { _nc_str_init(&result, buf, sizeof(buf)); if (_nc_safe_strcat(&result, carriage_return) && _nc_safe_strcat(&result, cursor_down)) newline = _nc_save_str(buf); } } } /* * Inverse of capdefaults.c code ends here. * ---------------------------------------------------------------------- * * TERMCAP-TO TERMINFO MAPPINGS FOR SOURCE TRANSLATION * * These translations will *not* be inverted by tgetent(). */ if (!has_base) { /* * We wait until now to decide if we've got a working cr because even * one that doesn't work can be used for newline. Unfortunately the * space allocated for it is wasted. */ if (return_does_clr_eol == 1 || no_correctly_working_cr == 1) carriage_return = ABSENT_STRING; /* * Supposedly most termcap entries have ta now and '\t' is no longer a * default, but it doesn't seem to be true... */ if (WANTED(tab)) { if (horizontal_tab_delay > 0) { snprintf(buf, sizeof(buf), "%s$<%d>", C_HT, horizontal_tab_delay); tab = _nc_save_str(buf); } else tab = _nc_save_str(C_HT); } if (init_tabs == ABSENT_NUMERIC && has_hardware_tabs == TRUE) init_tabs = 8; /* * Assume we can beep with ^G unless we're given bl@. */ if (WANTED(bell)) bell = _nc_save_str("\007"); } /* * Translate the old termcap :pt: capability to it#8 + ht=\t */ if (has_hardware_tabs == TRUE) { if (init_tabs != 8 && init_tabs != ABSENT_NUMERIC) _nc_warning("hardware tabs with a width other than 8: %d", init_tabs); else { if (tab && _nc_capcmp(tab, C_HT)) _nc_warning("hardware tabs with a non-^I tab string %s", _nc_visbuf(tab)); else { if (WANTED(tab)) tab = _nc_save_str(C_HT); init_tabs = 8; } } } /* * Now translate the ko capability, if there is one. This * isn't from mytinfo... */ if (PRESENT(other_non_function_keys)) { char *base = other_non_function_keys; char *bp, *cp, *dp; struct name_table_entry const *from_ptr; struct name_table_entry const *to_ptr; assoc const *ap; char buf2[MAX_TERMINFO_LENGTH]; bool foundim; /* we're going to use this for a special case later */ dp = strchr(other_non_function_keys, 'i'); foundim = (dp != 0) && (dp[1] == 'm'); /* look at each comma-separated capability in the ko string... */ for (base = other_non_function_keys; (cp = strchr(base, ',')) != 0; base = cp + 1) { size_t len = cp - base; for (ap = ko_xlate; ap->from; ap++) { if (len == strlen(ap->from) && strncmp(ap->from, base, len) == 0) break; } if (!(ap->from && ap->to)) { _nc_warning("unknown capability `%.*s' in ko string", (int) len, base); continue; } else if (ap->to == CANCELLED_STRING) /* ignore it */ continue; /* now we know we found a match in ko_table, so... */ from_ptr = _nc_find_entry(ap->from, _nc_get_hash_table(TRUE)); to_ptr = _nc_find_entry(ap->to, _nc_get_hash_table(FALSE)); if (!from_ptr || !to_ptr) /* should never happen! */ _nc_err_abort("ko translation table is invalid, I give up"); if (WANTED(tp->Strings[from_ptr->nte_index])) { _nc_warning("no value for ko capability %s", ap->from); continue; } if (tp->Strings[to_ptr->nte_index]) { /* There's no point in warning about it if it's the same * string; that's just an inefficiency. */ if (strcmp( tp->Strings[from_ptr->nte_index], tp->Strings[to_ptr->nte_index]) != 0) _nc_warning("%s (%s) already has an explicit value %s, ignoring ko", ap->to, ap->from, _nc_visbuf(tp->Strings[to_ptr->nte_index])); continue; } /* * The magic moment -- copy the mapped key string over, * stripping out padding. */ for (dp = buf2, bp = tp->Strings[from_ptr->nte_index]; *bp; bp++) { if (bp[0] == '$' && bp[1] == '<') { while (*bp && *bp != '>') { ++bp; } } else *dp++ = *bp; } *dp++ = '\0'; tp->Strings[to_ptr->nte_index] = _nc_save_str(buf2); } /* * Note: ko=im and ko=ic both want to grab the `Insert' * keycap. There's a kich1 but no ksmir, so the ic capability * got mapped to kich1 and im to kIC to avoid a collision. * If the description has im but not ic, hack kIC back to kich1. */ if (foundim && WANTED(key_ic) && key_sic) { key_ic = key_sic; key_sic = ABSENT_STRING; } } if (!has_base) { if (!hard_copy) { if (WANTED(key_backspace)) key_backspace = _nc_save_str(C_BS); if (WANTED(key_left)) key_left = _nc_save_str(C_BS); if (WANTED(key_down)) key_down = _nc_save_str(C_LF); } } /* * Translate XENIX forms characters. */ if (PRESENT(acs_ulcorner) || PRESENT(acs_llcorner) || PRESENT(acs_urcorner) || PRESENT(acs_lrcorner) || PRESENT(acs_ltee) || PRESENT(acs_rtee) || PRESENT(acs_btee) || PRESENT(acs_ttee) || PRESENT(acs_hline) || PRESENT(acs_vline) || PRESENT(acs_plus)) { char buf2[MAX_TERMCAP_LENGTH]; _nc_str_init(&result, buf2, sizeof(buf2)); _nc_safe_strcat(&result, acs_chars); append_acs(&result, 'j', acs_lrcorner); append_acs(&result, 'k', acs_urcorner); append_acs(&result, 'l', acs_ulcorner); append_acs(&result, 'm', acs_llcorner); append_acs(&result, 'n', acs_plus); append_acs(&result, 'q', acs_hline); append_acs(&result, 't', acs_ltee); append_acs(&result, 'u', acs_rtee); append_acs(&result, 'v', acs_btee); append_acs(&result, 'w', acs_ttee); append_acs(&result, 'x', acs_vline); if (buf2[0]) { acs_chars = _nc_save_str(buf2); _nc_warning("acsc string synthesized from XENIX capabilities"); } } else if (acs_chars == 0 && enter_alt_charset_mode != 0 && exit_alt_charset_mode != 0) { acs_chars = _nc_save_str(VT_ACSC); } } static void postprocess_terminfo(TERMTYPE *tp) { /* * TERMINFO-TO-TERMINFO MAPPINGS FOR SOURCE TRANSLATION * ---------------------------------------------------------------------- */ /* * Translate AIX forms characters. */ if (PRESENT(box_chars_1)) { char buf2[MAX_TERMCAP_LENGTH]; string_desc result; _nc_str_init(&result, buf2, sizeof(buf2)); _nc_safe_strcat(&result, acs_chars); append_acs0(&result, 'l', box_chars_1[0]); /* ACS_ULCORNER */ append_acs0(&result, 'q', box_chars_1[1]); /* ACS_HLINE */ append_acs0(&result, 'k', box_chars_1[2]); /* ACS_URCORNER */ append_acs0(&result, 'x', box_chars_1[3]); /* ACS_VLINE */ append_acs0(&result, 'j', box_chars_1[4]); /* ACS_LRCORNER */ append_acs0(&result, 'm', box_chars_1[5]); /* ACS_LLCORNER */ append_acs0(&result, 'w', box_chars_1[6]); /* ACS_TTEE */ append_acs0(&result, 'u', box_chars_1[7]); /* ACS_RTEE */ append_acs0(&result, 'v', box_chars_1[8]); /* ACS_BTEE */ append_acs0(&result, 't', box_chars_1[9]); /* ACS_LTEE */ append_acs0(&result, 'n', box_chars_1[10]); /* ACS_PLUS */ if (buf2[0]) { acs_chars = _nc_save_str(buf2); _nc_warning("acsc string synthesized from AIX capabilities"); box_chars_1 = ABSENT_STRING; } } /* * ---------------------------------------------------------------------- */ } /* * Do a linear search through the terminfo tables to find a given full-name. * We don't expect to do this often, so there's no hashing function. * * In effect, this scans through the 3 lists of full-names, and looks them * up in _nc_info_table, which is organized so that the nte_index fields are * sorted, but the nte_type fields are not necessarily grouped together. */ static struct name_table_entry const * lookup_fullname(const char *find) { int state = -1; for (;;) { int count = 0; NCURSES_CONST char *const *names; switch (++state) { case BOOLEAN: names = boolfnames; break; case STRING: names = strfnames; break; case NUMBER: names = numfnames; break; default: return NOTFOUND; } for (count = 0; names[count] != 0; count++) { if (!strcmp(names[count], find)) { struct name_table_entry const *entry_ptr = _nc_get_table(FALSE); while (entry_ptr->nte_type != state || entry_ptr->nte_index != count) entry_ptr++; return entry_ptr; } } } } /* parse_entry.c ends here */