slk_wset(int i, const wchar_t *astr, int format) { int result = ERR; size_t arglen; const wchar_t *str; char *mystr; mbstate_t state; T((T_CALLED("slk_wset(%d, %s, %d)"), i, _nc_viswbuf(astr), format)); init_mb(state); str = astr; if ((arglen = wcsrtombs(NULL, &str, 0, &state)) != (size_t) -1) { if ((mystr = (char *) _nc_doalloc(0, arglen + 1)) != 0) { str = astr; if (wcsrtombs(mystr, &str, arglen, &state) != (size_t) -1) { /* glibc documentation claims that the terminating L'\0' * is written, but it is not... */ mystr[arglen] = 0; result = slk_set(i, mystr, format); } free(mystr); } } returnCode(result); }
const char * _nc_visbuf2(int bufnum, const char *buf) /* visibilize a given string */ { char *vbuf; char *tp; int c; if (buf == 0) return ("(null)"); if (buf == CANCELLED_STRING) return ("(cancelled)"); #ifdef TRACE tp = vbuf = _nc_trace_buf(bufnum, (strlen(buf) * 4) + 5); #else { static char *mybuf[2]; mybuf[bufnum] = _nc_doalloc(mybuf[bufnum], (strlen(buf) * 4) + 5); tp = vbuf = mybuf[bufnum]; } #endif *tp++ = '"'; while ((c = *buf++) != '\0') { if (c == '"') { *tp++ = '\\'; *tp++ = '"'; } else if (is7bits(c) && (isgraph(c) || c == ' ')) { *tp++ = c; } else if (c == '\n') { *tp++ = '\\'; *tp++ = 'n'; } else if (c == '\r') { *tp++ = '\\'; *tp++ = 'r'; } else if (c == '\b') { *tp++ = '\\'; *tp++ = 'b'; } else if (c == '\033') { *tp++ = '\\'; *tp++ = 'e'; } else if (is7bits(c) && iscntrl(c)) { *tp++ = '\\'; *tp++ = '^'; *tp++ = '@' + c; } else { sprintf(tp, "\\%03o", c & 0xff); tp += strlen(tp); } } *tp++ = '"'; *tp++ = '\0'; return (vbuf); }
static char * save_string(char *d, const char *const s) { size_t have = (size_t) (d - my_string); size_t need = have + strlen(s) + 2; if (need > my_length) { my_string = (char *) _nc_doalloc(my_string, my_length = (need + need)); if (my_string == 0) _nc_err_abort(MSG_NO_MEMORY); d = my_string + have; } _nc_STRCPY(d, s, my_length - have); return d + strlen(d); }
_nc_slk_initialize(WINDOW *stwin, int cols) { int i, x; int res = OK; unsigned max_length; T((T_CALLED("_nc_slk_initialize()"))); if (SP->_slk) { /* we did this already, so simply return */ returnCode(OK); } else if ((SP->_slk = typeCalloc(SLK, 1)) == 0) returnCode(ERR); SP->_slk->ent = NULL; /* * If we use colors, vidputs() will suppress video attributes that conflict * with colors. In that case, we're still guaranteed that "reverse" would * work. */ if ((no_color_video & 1) == 0) SetAttr(SP->_slk->attr, A_STANDOUT); else SetAttr(SP->_slk->attr, A_REVERSE); SP->_slk->maxlab = ((num_labels > 0) ? num_labels : MAX_SKEY(_nc_globals.slk_format)); SP->_slk->maxlen = ((num_labels > 0) ? label_width * label_height : MAX_SKEY_LEN(_nc_globals.slk_format)); SP->_slk->labcnt = ((SP->_slk->maxlab < MAX_SKEY(_nc_globals.slk_format)) ? MAX_SKEY(_nc_globals.slk_format) : SP->_slk->maxlab); if (SP->_slk->maxlen <= 0 || SP->_slk->labcnt <= 0 || (SP->_slk->ent = typeCalloc(slk_ent, (unsigned) SP->_slk->labcnt)) == NULL) returnCode(slk_failed()); max_length = SP->_slk->maxlen; for (i = 0; i < SP->_slk->labcnt; i++) { size_t used = max_length + 1; if ((SP->_slk->ent[i].ent_text = (char *) _nc_doalloc(0, used)) == 0) returnCode(slk_failed()); memset(SP->_slk->ent[i].ent_text, 0, used); if ((SP->_slk->ent[i].form_text = (char *) _nc_doalloc(0, used)) == 0) returnCode(slk_failed()); memset(SP->_slk->ent[i].form_text, 0, used); memset(SP->_slk->ent[i].form_text, ' ', max_length); SP->_slk->ent[i].visible = (char) (i < SP->_slk->maxlab); } if (_nc_globals.slk_format >= 3) { /* PC style */ int gap = (cols - 3 * (3 + 4 * max_length)) / 2; if (gap < 1) gap = 1; for (i = x = 0; i < SP->_slk->maxlab; i++) { SP->_slk->ent[i].ent_x = x; x += max_length; x += (i == 3 || i == 7) ? gap : 1; } } else { if (_nc_globals.slk_format == 2) { /* 4-4 */ int gap = cols - (SP->_slk->maxlab * max_length) - 6; if (gap < 1) gap = 1; for (i = x = 0; i < SP->_slk->maxlab; i++) { SP->_slk->ent[i].ent_x = x; x += max_length; x += (i == 3) ? gap : 1; } } else { if (_nc_globals.slk_format == 1) { /* 1 -> 3-2-3 */ int gap = (cols - (SP->_slk->maxlab * max_length) - 5) / 2; if (gap < 1) gap = 1; for (i = x = 0; i < SP->_slk->maxlab; i++) { SP->_slk->ent[i].ent_x = x; x += max_length; x += (i == 2 || i == 4) ? gap : 1; } } else returnCode(slk_failed()); } } SP->_slk->dirty = TRUE; if ((SP->_slk->win = stwin) == NULL) { returnCode(slk_failed()); } /* We now reset the format so that the next newterm has again * per default no SLK keys and may call slk_init again to * define a new layout. (juergen 03-Mar-1999) */ SP->slk_format = _nc_globals.slk_format; _nc_globals.slk_format = 0; returnCode(res); }
static char * tgoto_internal(const char *string, int x, int y) { static char *result; static size_t length; int swap_arg; int param[3]; size_t used = 0; size_t need = 10; int *value = param; bool need_BC = FALSE; if (BC) need += strlen(BC); param[0] = y; param[1] = x; param[2] = 0; while (*string != 0) { if ((used + need) > length) { length += (used + need); if ((result = _nc_doalloc(result, length)) == 0) { length = 0; break; } } if (*string == '%') { const char *fmt = 0; switch (*++string) { case '\0': string--; break; case 'd': fmt = "%d"; break; case '2': fmt = "%02d"; *value %= 100; break; case '3': fmt = "%03d"; *value %= 1000; break; case '+': *value += UChar(*++string); /* FALLTHRU */ case '.': /* * Guard against tputs() seeing a truncated string. The * termcap documentation refers to a similar fixup for \n * and \r, but I don't see that it could work -TD */ if (*value == 0) { if (BC != 0) { *value += 1; need_BC = TRUE; } else { *value = 0200; /* tputs will treat this as \0 */ } } result[used++] = *value++; break; case '%': result[used++] = *string; break; case 'r': swap_arg = param[0]; param[0] = param[1]; param[1] = swap_arg; break; case 'i': param[0] += 1; param[1] += 1; break; case '>': if (*value > string[1]) *value += string[2]; string += 2; break; case 'n': /* Datamedia 2500 */ param[0] ^= 0140; param[1] ^= 0140; break; case 'B': /* BCD */ *value = 16 * (*value / 10) + (*value % 10); break; case 'D': /* Reverse coding (Delta Data) */ *value -= 2 * (*value / 16); break; } if (fmt != 0) { sprintf(result + used, fmt, *value++); used += strlen(result + used); fmt = 0; } if (value - param > 2) { value = param + 2; *value = 0; } } else { result[used++] = *string; } string++; } if (need_BC) { strcpy(result + used, BC); used += strlen(BC); } result[used] = '\0'; return result; }
NCURSES_SP_NAME(slk_set) (NCURSES_SP_DCLx int i, const char *astr, int format) { SLK *slk; int offset; int numchrs; int numcols; int limit; const char *str = astr; const char *p; T((T_CALLED("slk_set(%p, %d, \"%s\", %d)"), (void *) SP_PARM, i, str, format)); if (SP_PARM == 0 || (slk = SP_PARM->_slk) == 0 || i < 1 || i > slk->labcnt || format < 0 || format > 2) returnCode(ERR); if (str == 0) str = ""; --i; /* Adjust numbering of labels */ limit = MAX_SKEY_LEN(SP_PARM->slk_format); while (isspace(UChar(*str))) str++; /* skip over leading spaces */ p = str; #if USE_WIDEC_SUPPORT numcols = 0; while (*p != 0) { mbstate_t state; wchar_t wc; size_t need; init_mb(state); need = mbrtowc(0, p, strlen(p), &state); if (need == (size_t) -1) break; mbrtowc(&wc, p, need, &state); if (!iswprint((wint_t) wc)) break; if (wcwidth(wc) + numcols > limit) break; numcols += wcwidth(wc); p += need; } numchrs = (p - str); #else while (isprint(UChar(*p))) p++; /* The first non-print stops */ numcols = (p - str); if (numcols > limit) numcols = limit; numchrs = numcols; #endif FreeIfNeeded(slk->ent[i].ent_text); if ((slk->ent[i].ent_text = strdup(str)) == 0) returnCode(ERR); slk->ent[i].ent_text[numchrs] = '\0'; if ((slk->ent[i].form_text = (char *) _nc_doalloc(slk->ent[i].form_text, (unsigned) (limit + numchrs + 1)) ) == 0) returnCode(ERR); switch (format) { default: case 0: /* left-justified */ offset = 0; break; case 1: /* centered */ offset = (limit - numcols) / 2; break; case 2: /* right-justified */ offset = limit - numcols; break; } if (offset <= 0) offset = 0; else memset(slk->ent[i].form_text, ' ', (unsigned) offset); memcpy(slk->ent[i].form_text + offset, slk->ent[i].ent_text, (unsigned) numchrs); if (offset < limit) { memset(slk->ent[i].form_text + offset + numchrs, ' ', (unsigned) (limit - (offset + numcols))); } slk->ent[i].form_text[numchrs - numcols + limit] = 0; slk->ent[i].dirty = TRUE; returnCode(OK); }
static int next_char(void) { if (!yyin) { /* * An string with an embedded null will truncate the input. This is * intentional (we don't read binary files here). */ if (*bufptr == '\0') return (EOF); if (*bufptr == '\n') { _nc_curr_line++; _nc_curr_col = 0; } } else if (!bufptr || !*bufptr) { /* * In theory this could be recoded to do its I/O one character at a * time, saving the buffer space. In practice, this turns out to be * quite hard to get completely right. Try it and see. If you * succeed, don't forget to hack push_back() correspondingly. */ static char *result; static size_t allocated; size_t used; size_t len; do { bufstart = 0; used = 0; do { if (used + (LEXBUFSIZ / 4) >= allocated) { allocated += (allocated + LEXBUFSIZ); result = _nc_doalloc(result, allocated); if (result == 0) return (EOF); } if (used == 0) _nc_curr_file_pos = ftell(yyin); if (fgets(result + used, allocated - used, yyin) != NULL) { bufstart = result; if (used == 0) { _nc_curr_line++; _nc_curr_col = 0; } } else { if (used != 0) strlcat(result, "\n", allocated); } if ((bufptr = bufstart) != 0) { used = strlen(bufptr); while (iswhite(*bufptr)) bufptr++; /* * Treat a trailing <cr><lf> the same as a <newline> so we * can read files on OS/2, etc. */ if ((len = strlen(bufptr)) > 1) { if (bufptr[len - 1] == '\n' && bufptr[len - 2] == '\r') { len--; bufptr[len - 1] = '\n'; bufptr[len] = '\0'; } } } else { return (EOF); } } while (bufptr[len - 1] != '\n'); /* complete a line */ } while (result[0] == '#'); /* ignore comments */ } first_column = (bufptr == bufstart); _nc_curr_col++; return (*bufptr++); }
_nc_slk_initialize(WINDOW *stwin, int cols) { int i; int res = OK; unsigned max_length; SCREEN *sp; TERMINAL *term; int numlab; T((T_CALLED("_nc_slk_initialize()"))); assert(stwin); sp = _nc_screen_of(stwin); if (0 == sp) returnCode(ERR); term = TerminalOf(SP_PARM); assert(term); numlab = NumLabels; if (SP_PARM->_slk) { /* we did this already, so simply return */ returnCode(OK); } else if ((SP_PARM->_slk = typeCalloc(SLK, 1)) == 0) returnCode(ERR); if (!SP_PARM->slk_format) SP_PARM->slk_format = _nc_globals.slk_format; /* * If we use colors, vidputs() will suppress video attributes that conflict * with colors. In that case, we're still guaranteed that "reverse" would * work. */ if ((NoColorVideo & 1) == 0) SetAttr(SP_PARM->_slk->attr, A_STANDOUT); else SetAttr(SP_PARM->_slk->attr, A_REVERSE); SP_PARM->_slk->maxlab = ((numlab > 0) ? numlab : MAX_SKEY(SP_PARM->slk_format)); SP_PARM->_slk->maxlen = ((numlab > 0) ? LabelWidth * LabelHeight : MAX_SKEY_LEN(SP_PARM->slk_format)); SP_PARM->_slk->labcnt = ((SP_PARM->_slk->maxlab < MAX_SKEY(SP_PARM->slk_format)) ? MAX_SKEY(SP_PARM->slk_format) : SP_PARM->_slk->maxlab); if (SP_PARM->_slk->maxlen <= 0 || SP_PARM->_slk->labcnt <= 0 || (SP_PARM->_slk->ent = typeCalloc(slk_ent, (unsigned) SP_PARM->_slk->labcnt)) == NULL) returnCode(slk_failed(NCURSES_SP_ARG)); max_length = SP_PARM->_slk->maxlen; for (i = 0; i < SP_PARM->_slk->labcnt; i++) { size_t used = max_length + 1; SP_PARM->_slk->ent[i].ent_text = (char *) _nc_doalloc(0, used); if (SP_PARM->_slk->ent[i].ent_text == 0) returnCode(slk_failed(NCURSES_SP_ARG)); memset(SP_PARM->_slk->ent[i].ent_text, 0, used); SP_PARM->_slk->ent[i].form_text = (char *) _nc_doalloc(0, used); if (SP_PARM->_slk->ent[i].form_text == 0) returnCode(slk_failed(NCURSES_SP_ARG)); memset(SP_PARM->_slk->ent[i].form_text, 0, used); memset(SP_PARM->_slk->ent[i].form_text, ' ', max_length); SP_PARM->_slk->ent[i].visible = (char) (i < SP_PARM->_slk->maxlab); } res = _nc_format_slks(NCURSES_SP_ARGx cols); if ((SP_PARM->_slk->win = stwin) == NULL) { returnCode(slk_failed(NCURSES_SP_ARG)); } /* We now reset the format so that the next newterm has again * per default no SLK keys and may call slk_init again to * define a new layout. (juergen 03-Mar-1999) */ _nc_globals.slk_format = 0; returnCode(res); }