diff options
Diffstat (limited to 'mdk-stage1/slang/sltermin.c')
| -rw-r--r-- | mdk-stage1/slang/sltermin.c | 1155 |
1 files changed, 1155 insertions, 0 deletions
diff --git a/mdk-stage1/slang/sltermin.c b/mdk-stage1/slang/sltermin.c new file mode 100644 index 000000000..f9c64f0b2 --- /dev/null +++ b/mdk-stage1/slang/sltermin.c @@ -0,0 +1,1155 @@ +/* This file contains enough terminfo reading capabilities sufficient for + * the slang SLtt interface. + */ + +/* Copyright (c) 1992, 1999, 2001 John E. Davis + * This file is part of the S-Lang library. + * + * You may distribute under the terms of either the GNU General Public + * License or the Perl Artistic License. + */ + +#include "slinclud.h" + +#include "slang.h" +#include "_slang.h" + +/* + * The majority of the comments found in the file were taken from the + * term(4) man page on an SGI. + */ + +/* Short integers are stored in two 8-bit bytes. The first byte contains + * the least significant 8 bits of the value, and the second byte contains + * the most significant 8 bits. (Thus, the value represented is + * 256*second+first.) The value -1 is represented by 0377,0377, and the + * value -2 is represented by 0376,0377; other negative values are illegal. + * The -1 generally means that a capability is missing from this terminal. + * The -2 means that the capability has been cancelled in the terminfo + * source and also is to be considered missing. + */ + +static int make_integer (unsigned char *buf) +{ + register int lo, hi; + lo = (int) *buf++; hi = (int) *buf; + if (hi == 0377) + { + if (lo == 0377) return -1; + if (lo == 0376) return -2; + } + return lo + 256 * hi; +} + +/* + * The compiled file is created from the source file descriptions of the + * terminals (see the -I option of infocmp) by using the terminfo compiler, + * tic, and read by the routine setupterm [see curses(3X).] The file is + * divided into six parts in the following order: the header, terminal + * names, boolean flags, numbers, strings, and string table. + * + * The header section begins the file. This section contains six short + * integers in the format described below. These integers are (1) the magic + * number (octal 0432); (2) the size, in bytes, of the names section; (3) + * the number of bytes in the boolean section; (4) the number of short + * integers in the numbers section; (5) the number of offsets (short + * integers) in the strings section; (6) the size, in bytes, of the string + * table. + */ + +#define MAGIC 0432 + +/* In this structure, all char * fields are malloced EXCEPT if the + * structure is SLTERMCAP. In that case, only terminal_names is malloced + * and the other fields are pointers into it. + */ +struct _SLterminfo_Type +{ +#define SLTERMINFO 1 +#define SLTERMCAP 2 + unsigned int flags; + + unsigned int name_section_size; + char *terminal_names; + + unsigned int boolean_section_size; + unsigned char *boolean_flags; + + unsigned int num_numbers; + unsigned char *numbers; + + unsigned int num_string_offsets; + unsigned char *string_offsets; + + unsigned int string_table_size; + char *string_table; + +}; + +static char *tcap_getstr (char *, SLterminfo_Type *); +static int tcap_getnum (char *, SLterminfo_Type *); +static int tcap_getflag (char *, SLterminfo_Type *); +static int tcap_getent (char *, SLterminfo_Type *); + +static FILE *open_terminfo (char *file, SLterminfo_Type *h) +{ + FILE *fp; + unsigned char buf[12]; + + /* Alan Cox reported a security problem here if the application using the + * library is setuid. So, I need to make sure open the file as a normal + * user. Unfortunately, there does not appear to be a portable way of + * doing this, so I am going to use 'setfsgid' and 'setfsuid', which + * are not portable. + * + * I will also look into the use of setreuid, seteuid and setregid, setegid. + * FIXME: Priority=medium + */ + fp = fopen (file, "rb"); + if (fp == NULL) return NULL; + + if ((12 == fread ((char *) buf, 1, 12, fp) && (MAGIC == make_integer (buf)))) + { + h->name_section_size = make_integer (buf + 2); + h->boolean_section_size = make_integer (buf + 4); + h->num_numbers = make_integer (buf + 6); + h->num_string_offsets = make_integer (buf + 8); + h->string_table_size = make_integer (buf + 10); + } + else + { + fclose (fp); + fp = NULL; + } + return fp; +} + +/* + * The terminal names section comes next. It contains the first line of the + * terminfo description, listing the various names for the terminal, + * separated by the bar ( | ) character (see term(5)). The section is + * terminated with an ASCII NUL character. + */ + +/* returns pointer to malloced space */ +static unsigned char *read_terminfo_section (FILE *fp, unsigned int size) +{ + char *s; + + if (NULL == (s = (char *) SLmalloc (size))) return NULL; + if (size != fread (s, 1, size, fp)) + { + SLfree (s); + return NULL; + } + return (unsigned char *) s; +} + +static char *read_terminal_names (FILE *fp, SLterminfo_Type *t) +{ + return t->terminal_names = (char *) read_terminfo_section (fp, t->name_section_size); +} + +/* + * The boolean flags have one byte for each flag. This byte is either 0 or + * 1 as the flag is present or absent. The value of 2 means that the flag + * has been cancelled. The capabilities are in the same order as the file + * <term.h>. + */ + +static unsigned char *read_boolean_flags (FILE *fp, SLterminfo_Type *t) +{ + /* Between the boolean section and the number section, a null byte is + * inserted, if necessary, to ensure that the number section begins on an + * even byte offset. All short integers are aligned on a short word + * boundary. + */ + + unsigned int size = (t->name_section_size + t->boolean_section_size) % 2; + size += t->boolean_section_size; + + return t->boolean_flags = read_terminfo_section (fp, size); +} + +/* + * The numbers section is similar to the boolean flags section. Each + * capability takes up two bytes, and is stored as a short integer. If the + * value represented is -1 or -2, the capability is taken to be missing. + */ + +static unsigned char *read_numbers (FILE *fp, SLterminfo_Type *t) +{ + return t->numbers = read_terminfo_section (fp, 2 * t->num_numbers); +} + +/* The strings section is also similar. Each capability is stored as a + * short integer, in the format above. A value of -1 or -2 means the + * capability is missing. Otherwise, the value is taken as an offset from + * the beginning of the string table. Special characters in ^X or \c + * notation are stored in their interpreted form, not the printing + * representation. Padding information ($<nn>) and parameter information + * (%x) are stored intact in uninterpreted form. + */ + +static unsigned char *read_string_offsets (FILE *fp, SLterminfo_Type *t) +{ + return t->string_offsets = (unsigned char *) read_terminfo_section (fp, 2 * t->num_string_offsets); +} + +/* The final section is the string table. It contains all the values of + * string capabilities referenced in the string section. Each string is + * null terminated. + */ + +static char *read_string_table (FILE *fp, SLterminfo_Type *t) +{ + return t->string_table = (char *) read_terminfo_section (fp, t->string_table_size); +} + +/* + * Compiled terminfo(4) descriptions are placed under the directory + * /usr/share/lib/terminfo. In order to avoid a linear search of a huge + * UNIX system directory, a two-level scheme is used: + * /usr/share/lib/terminfo/c/name where name is the name of the terminal, + * and c is the first character of name. Thus, att4425 can be found in the + * file /usr/share/lib/terminfo/a/att4425. Synonyms for the same terminal + * are implemented by multiple links to the same compiled file. + */ + +#define MAX_TI_DIRS 7 +static char *Terminfo_Dirs [MAX_TI_DIRS] = +{ + NULL, /* $HOME/.terminfo */ + NULL, /* $TERMINFO */ + "/usr/share/terminfo", + "/usr/lib/terminfo", + "/usr/share/lib/terminfo", + "/etc/terminfo", + "/usr/local/lib/terminfo" +}; + +SLterminfo_Type *_SLtt_tigetent (char *term) +{ + char *tidir; + int i; + FILE *fp = NULL; + char file[1024]; + static char home_ti [1024]; + char *home; + SLterminfo_Type *ti; + + if ( + (term == NULL) +#ifdef SLANG_UNTIC + && (SLang_Untic_Terminfo_File == NULL) +#endif + ) + return NULL; + + if (NULL == (ti = (SLterminfo_Type *) SLmalloc (sizeof (SLterminfo_Type)))) + { + return NULL; + } + +#ifdef SLANG_UNTIC + if (SLang_Untic_Terminfo_File != NULL) + { + fp = open_terminfo (SLang_Untic_Terminfo_File, ti); + goto fp_open_label; + } + else +#endif + /* If we are on a termcap based system, use termcap */ + if (0 == tcap_getent (term, ti)) return ti; + + if (NULL != (home = getenv ("HOME"))) + { + strncpy (home_ti, home, sizeof (home_ti) - 11); + home_ti [sizeof(home_ti) - 11] = 0; + strcat (home_ti, "/.terminfo"); + Terminfo_Dirs [0] = home_ti; + } + + Terminfo_Dirs[1] = getenv ("TERMINFO"); + i = 0; + while (i < MAX_TI_DIRS) + { + tidir = Terminfo_Dirs[i]; + if ((tidir != NULL) + && (sizeof (file) > strlen (tidir) + 2 + strlen (term))) + { + sprintf (file, "%s/%c/%s", tidir, *term, term); + if (NULL != (fp = open_terminfo (file, ti))) + break; + } + i++; + } +#ifdef SLANG_UNTIC + fp_open_label: +#endif + + if (fp != NULL) + { + if (NULL != read_terminal_names (fp, ti)) + { + if (NULL != read_boolean_flags (fp, ti)) + { + if (NULL != read_numbers (fp, ti)) + { + if (NULL != read_string_offsets (fp, ti)) + { + if (NULL != read_string_table (fp, ti)) + { + /* success */ + fclose (fp); + ti->flags = SLTERMINFO; + return ti; + } + SLfree ((char *)ti->string_offsets); + } + SLfree ((char *)ti->numbers); + } + SLfree ((char *)ti->boolean_flags); + } + SLfree ((char *)ti->terminal_names); + } + fclose (fp); + } + + SLfree ((char *)ti); + return NULL; +} + +#ifdef SLANG_UNTIC +# define UNTIC_COMMENT(x) ,x +#else +# define UNTIC_COMMENT(x) +#endif + +typedef struct +{ + char name[3]; + int offset; +#ifdef SLANG_UNTIC + char *comment; +#endif +} +Tgetstr_Map_Type; + +/* I need to add: K1-5, %0-5(not important), @8, &8... */ +static Tgetstr_Map_Type Tgetstr_Map [] = +{ + {"!1", 212 UNTIC_COMMENT("shifted key")}, + {"!2", 213 UNTIC_COMMENT("shifted key")}, + {"!3", 214 UNTIC_COMMENT("shifted key")}, + {"#1", 198 UNTIC_COMMENT("shifted key")}, + {"#2", 199 UNTIC_COMMENT("Key S-Home")}, + {"#3", 200 UNTIC_COMMENT("Key S-Insert")}, + {"#4", 201 UNTIC_COMMENT("Key S-Left")}, + {"%0", 177 UNTIC_COMMENT("redo key")}, + {"%1", 168 UNTIC_COMMENT("help key")}, + {"%2", 169 UNTIC_COMMENT("mark key")}, + {"%3", 170 UNTIC_COMMENT("message key")}, + {"%4", 171 UNTIC_COMMENT("move key")}, + {"%5", 172 UNTIC_COMMENT("next key")}, + {"%6", 173 UNTIC_COMMENT("open key")}, + {"%7", 174 UNTIC_COMMENT("options key")}, + {"%8", 175 UNTIC_COMMENT("previous key")}, + {"%9", 176 UNTIC_COMMENT("print key")}, + {"%a", 202 UNTIC_COMMENT("shifted key")}, + {"%b", 203 UNTIC_COMMENT("shifted key")}, + {"%c", 204 UNTIC_COMMENT("Key S-Next")}, + {"%d", 205 UNTIC_COMMENT("shifted key")}, + {"%e", 206 UNTIC_COMMENT("Key S-Previous")}, + {"%f", 207 UNTIC_COMMENT("shifted key")}, + {"%g", 208 UNTIC_COMMENT("shifted key")}, + {"%h", 209 UNTIC_COMMENT("shifted key")}, + {"%i", 210 UNTIC_COMMENT("Key S-Right")}, + {"%j", 211 UNTIC_COMMENT("shifted key")}, + {"&0", 187 UNTIC_COMMENT("shifted key")}, + {"&1", 178 UNTIC_COMMENT("reference key")}, + {"&2", 179 UNTIC_COMMENT("refresh key")}, + {"&3", 180 UNTIC_COMMENT("replace key")}, + {"&4", 181 UNTIC_COMMENT("restart key")}, + {"&5", 182 UNTIC_COMMENT("resume key")}, + {"&6", 183 UNTIC_COMMENT("save key")}, + {"&7", 184 UNTIC_COMMENT("suspend key")}, + {"&8", 185 UNTIC_COMMENT("undo key")}, + {"&9", 186 UNTIC_COMMENT("shifted key")}, + {"*0", 197 UNTIC_COMMENT("shifted key")}, + {"*1", 188 UNTIC_COMMENT("shifted key")}, + {"*2", 189 UNTIC_COMMENT("shifted key")}, + {"*3", 190 UNTIC_COMMENT("shifted key")}, + {"*4", 191 UNTIC_COMMENT("Key S-Delete")}, + {"*5", 192 UNTIC_COMMENT("shifted key")}, + {"*6", 193 UNTIC_COMMENT("select key")}, + {"*7", 194 UNTIC_COMMENT("Key S-End")}, + {"*8", 195 UNTIC_COMMENT("shifted key")}, + {"*9", 196 UNTIC_COMMENT("shifted key")}, + {"@0", 167 UNTIC_COMMENT("find key")}, + {"@1", 158 UNTIC_COMMENT("begin key")}, + {"@2", 159 UNTIC_COMMENT("cancel key")}, + {"@3", 160 UNTIC_COMMENT("close key")}, + {"@4", 161 UNTIC_COMMENT("command key")}, + {"@5", 162 UNTIC_COMMENT("copy key")}, + {"@6", 163 UNTIC_COMMENT("create key")}, + {"@7", 164 UNTIC_COMMENT("Key End")}, + {"@8", 165 UNTIC_COMMENT("enter/send key")}, + {"@9", 166 UNTIC_COMMENT("exit key")}, + {"AB", 360 UNTIC_COMMENT("set ANSI color background")}, + {"AF", 359 UNTIC_COMMENT("set ANSI color foreground")}, + {"AL", 110 UNTIC_COMMENT("parm_insert_line")}, + {"CC", 9 UNTIC_COMMENT("terminal settable cmd character in prototype !?")}, + {"CM", 15 UNTIC_COMMENT("memory relative cursor addressing")}, + {"CW", 277 UNTIC_COMMENT("define a window #1 from #2, #3 to #4, #5")}, + {"DC", 105 UNTIC_COMMENT("delete #1 chars")}, + {"DI", 280 UNTIC_COMMENT("dial number #1")}, + {"DK", 275 UNTIC_COMMENT("display clock at (#1,#2)")}, + {"DL", 106 UNTIC_COMMENT("parm_delete_line")}, + {"DO", 107 UNTIC_COMMENT("down #1 lines")}, + {"F1", 216 UNTIC_COMMENT("key_f11")}, + {"F2", 217 UNTIC_COMMENT("key_f12")}, + {"F3", 218 UNTIC_COMMENT("key_f13")}, + {"F4", 219 UNTIC_COMMENT("key_f14")}, + {"F5", 220 UNTIC_COMMENT("key_f15")}, + {"F6", 221 UNTIC_COMMENT("key_f16")}, + {"F7", 222 UNTIC_COMMENT("key_f17")}, + {"F8", 223 UNTIC_COMMENT("key_f18")}, + {"F9", 224 UNTIC_COMMENT("key_f19")}, + {"FA", 225 UNTIC_COMMENT("key_f20")}, + {"FB", 226 UNTIC_COMMENT("F21 function key")}, + {"FC", 227 UNTIC_COMMENT("F22 function key")}, + {"FD", 228 UNTIC_COMMENT("F23 function key")}, + {"FE", 229 UNTIC_COMMENT("F24 function key")}, + {"FF", 230 UNTIC_COMMENT("F25 function key")}, + {"FG", 231 UNTIC_COMMENT("F26 function key")}, + {"FH", 232 UNTIC_COMMENT("F27 function key")}, + {"FI", 233 UNTIC_COMMENT("F28 function key")}, + {"FJ", 234 UNTIC_COMMENT("F29 function key")}, + {"FK", 235 UNTIC_COMMENT("F30 function key")}, + {"FL", 236 UNTIC_COMMENT("F31 function key")}, + {"FM", 237 UNTIC_COMMENT("F32 function key")}, + {"FN", 238 UNTIC_COMMENT("F33 function key")}, + {"FO", 239 UNTIC_COMMENT("F34 function key")}, + {"FP", 240 UNTIC_COMMENT("F35 function key")}, + {"FQ", 241 UNTIC_COMMENT("F36 function key")}, + {"FR", 242 UNTIC_COMMENT("F37 function key")}, + {"FS", 243 UNTIC_COMMENT("F38 function key")}, + {"FT", 244 UNTIC_COMMENT("F39 function key")}, + {"FU", 245 UNTIC_COMMENT("F40 function key")}, + {"FV", 246 UNTIC_COMMENT("F41 function key")}, + {"FW", 247 UNTIC_COMMENT("F42 function key")}, + {"FX", 248 UNTIC_COMMENT("F43 function key")}, + {"FY", 249 UNTIC_COMMENT("F44 function key")}, + {"FZ", 250 UNTIC_COMMENT("F45 function key")}, + {"Fa", 251 UNTIC_COMMENT("F46 function key")}, + {"Fb", 252 UNTIC_COMMENT("F47 function key")}, + {"Fc", 253 UNTIC_COMMENT("F48 function key")}, + {"Fd", 254 UNTIC_COMMENT("F49 function key")}, + {"Fe", 255 UNTIC_COMMENT("F50 function key")}, + {"Ff", 256 UNTIC_COMMENT("F51 function key")}, + {"Fg", 257 UNTIC_COMMENT("F52 function key")}, + {"Fh", 258 UNTIC_COMMENT("F53 function key")}, + {"Fi", 259 UNTIC_COMMENT("F54 function key")}, + {"Fj", 260 UNTIC_COMMENT("F55 function key")}, + {"Fk", 261 UNTIC_COMMENT("F56 function key")}, + {"Fl", 262 UNTIC_COMMENT("F57 function key")}, + {"Fm", 263 UNTIC_COMMENT("F58 function key")}, + {"Fn", 264 UNTIC_COMMENT("F59 function key")}, + {"Fo", 265 UNTIC_COMMENT("F60 function key")}, + {"Fp", 266 UNTIC_COMMENT("F61 function key")}, + {"Fq", 267 UNTIC_COMMENT("F62 function key")}, + {"Fr", 268 UNTIC_COMMENT("F63 function key")}, + {"G1", 400 UNTIC_COMMENT("single upper right")}, + {"G2", 398 UNTIC_COMMENT("single upper left")}, + {"G3", 399 UNTIC_COMMENT("single lower left")}, + {"G4", 401 UNTIC_COMMENT("single lower right")}, + {"GC", 408 UNTIC_COMMENT("single intersection")}, + {"GD", 405 UNTIC_COMMENT("tee pointing down")}, + {"GH", 406 UNTIC_COMMENT("single horizontal line")}, + {"GL", 403 UNTIC_COMMENT("tee pointing left")}, + {"GR", 402 UNTIC_COMMENT("tee pointing right")}, + {"GU", 404 UNTIC_COMMENT("tee pointing up")}, + {"GV", 407 UNTIC_COMMENT("single vertical line")}, + {"Gm", 358 UNTIC_COMMENT("Curses should get button events")}, + {"HU", 279 UNTIC_COMMENT("hang-up phone")}, + {"IC", 108 UNTIC_COMMENT("insert #1 chars")}, + {"Ic", 299 UNTIC_COMMENT("initialize color #1 to (#2,#3,#4)")}, + {"Ip", 300 UNTIC_COMMENT("Initialize color pair #1 to fg=(#2,#3,#4), bg=(#5,#6,#7)")}, + {"K1", 139 UNTIC_COMMENT("upper left of keypad")}, + {"K2", 141 UNTIC_COMMENT("center of keypad")}, + {"K3", 140 UNTIC_COMMENT("upper right of keypad")}, + {"K4", 142 UNTIC_COMMENT("lower left of keypad")}, + {"K5", 143 UNTIC_COMMENT("lower right of keypad")}, + {"Km", 355 UNTIC_COMMENT("Mouse event has occurred")}, + {"LE", 111 UNTIC_COMMENT("move #1 chars to the left")}, + {"LF", 157 UNTIC_COMMENT("turn off soft labels")}, + {"LO", 156 UNTIC_COMMENT("turn on soft labels")}, + {"Lf", 273 UNTIC_COMMENT("label format")}, + {"MC", 270 UNTIC_COMMENT("clear right and left soft margins")}, + {"ML", 271 UNTIC_COMMENT("set left soft margin")}, + {"ML", 368 UNTIC_COMMENT("Set both left and right margins to #1, #2")}, + {"MR", 272 UNTIC_COMMENT("set right soft margin")}, + {"MT", 369 UNTIC_COMMENT("Sets both top and bottom margins to #1, #2")}, + {"Mi", 356 UNTIC_COMMENT("Mouse status information")}, + {"PA", 285 UNTIC_COMMENT("pause for 2-3 seconds")}, + {"PU", 283 UNTIC_COMMENT("select pulse dialling")}, + {"QD", 281 UNTIC_COMMENT("dial number #1 without checking")}, + {"RA", 152 UNTIC_COMMENT("turn off automatic margins")}, + {"RC", 276 UNTIC_COMMENT("remove clock")}, + {"RF", 215 UNTIC_COMMENT("send next input char (for ptys)")}, + {"RI", 112 UNTIC_COMMENT("parm_right_cursor")}, + {"RQ", 357 UNTIC_COMMENT("Request mouse position")}, + {"RX", 150 UNTIC_COMMENT("turn off xon/xoff handshaking")}, + {"S1", 378 UNTIC_COMMENT("Display PC character")}, + {"S2", 379 UNTIC_COMMENT("Enter PC character display mode")}, + {"S3", 380 UNTIC_COMMENT("Exit PC character display mode")}, + {"S4", 381 UNTIC_COMMENT("Enter PC scancode mode")}, + {"S5", 382 UNTIC_COMMENT("Exit PC scancode mode")}, + {"S6", 383 UNTIC_COMMENT("PC terminal options")}, + {"S7", 384 UNTIC_COMMENT("Escape for scancode emulation")}, + {"S8", 385 UNTIC_COMMENT("Alternate escape for scancode emulation")}, + {"SA", 151 UNTIC_COMMENT("turn on automatic margins")}, + {"SC", 274 UNTIC_COMMENT("set clock, #1 hrs #2 mins #3 secs")}, + {"SF", 109 UNTIC_COMMENT("scroll forward #1 lines")}, + {"SR", 113 UNTIC_COMMENT("scroll back #1 lines")}, + {"SX", 149 UNTIC_COMMENT("turn on xon/xoff handshaking")}, + {"Sb", 303 UNTIC_COMMENT("set background (color)")}, + {"Sf", 302 UNTIC_COMMENT("set foreground (color)")}, + {"TO", 282 UNTIC_COMMENT("select touch tone dialing")}, + {"UP", 114 UNTIC_COMMENT("up #1 lines")}, + {"WA", 286 UNTIC_COMMENT("wait for dial-tone")}, + {"WG", 278 UNTIC_COMMENT("go to window #1")}, + {"XF", 154 UNTIC_COMMENT("XOFF character")}, + {"XN", 153 UNTIC_COMMENT("XON character")}, + {"Xh", 386 UNTIC_COMMENT("Enter horizontal highlight mode")}, + {"Xl", 387 UNTIC_COMMENT("Enter left highlight mode")}, + {"Xo", 388 UNTIC_COMMENT("Enter low highlight mode")}, + {"Xr", 389 UNTIC_COMMENT("Enter right highlight mode")}, + {"Xt", 390 UNTIC_COMMENT("Enter top highlight mode")}, + {"Xv", 391 UNTIC_COMMENT("Enter vertical highlight mode")}, + {"Xy", 370 UNTIC_COMMENT("Repeat bit image cell #1 #2 times")}, + {"YZ", 377 UNTIC_COMMENT("Set page length to #1 lines")}, + {"Yv", 372 UNTIC_COMMENT("Move to beginning of same row")}, + {"Yw", 373 UNTIC_COMMENT("Give name for color #1")}, + {"Yx", 374 UNTIC_COMMENT("Define rectangualar bit image region")}, + {"Yy", 375 UNTIC_COMMENT("End a bit-image region")}, + {"Yz", 376 UNTIC_COMMENT("Change to ribbon color #1")}, + {"ZA", 304 UNTIC_COMMENT("Change number of characters per inch")}, + {"ZB", 305 UNTIC_COMMENT("Change number of lines per inch")}, + {"ZC", 306 UNTIC_COMMENT("Change horizontal resolution")}, + {"ZD", 307 UNTIC_COMMENT("Change vertical resolution")}, + {"ZE", 308 UNTIC_COMMENT("Define a character")}, + {"ZF", 309 UNTIC_COMMENT("Enter double-wide mode")}, + {"ZG", 310 UNTIC_COMMENT("Enter draft-quality mode")}, + {"ZH", 311 UNTIC_COMMENT("Enter italic mode")}, + {"ZI", 312 UNTIC_COMMENT("Start leftward carriage motion")}, + {"ZJ", 313 UNTIC_COMMENT("Start micro-motion mode")}, + {"ZK", 314 UNTIC_COMMENT("Enter NLQ mode")}, + {"ZL", 315 UNTIC_COMMENT("Wnter normal-quality mode")}, + {"ZM", 316 UNTIC_COMMENT("Enter shadow-print mode")}, + {"ZN", 317 UNTIC_COMMENT("Enter subscript mode")}, + {"ZO", 318 UNTIC_COMMENT("Enter superscript mode")}, + {"ZP", 319 UNTIC_COMMENT("Start upward carriage motion")}, + {"ZQ", 320 UNTIC_COMMENT("End double-wide mode")}, + {"ZR", 321 UNTIC_COMMENT("End italic mode")}, + {"ZS", 322 UNTIC_COMMENT("End left-motion mode")}, + {"ZT", 323 UNTIC_COMMENT("End micro-motion mode")}, + {"ZU", 324 UNTIC_COMMENT("End shadow-print mode")}, + {"ZV", 325 UNTIC_COMMENT("End subscript mode")}, + {"ZW", 326 UNTIC_COMMENT("End superscript mode")}, + {"ZX", 327 UNTIC_COMMENT("End reverse character motion")}, + {"ZY", 328 UNTIC_COMMENT("Like column_address in micro mode")}, + {"ZZ", 329 UNTIC_COMMENT("Like cursor_down in micro mode")}, + {"Za", 330 UNTIC_COMMENT("Like cursor_left in micro mode")}, + {"Zb", 331 UNTIC_COMMENT("Like cursor_right in micro mode")}, + {"Zc", 332 UNTIC_COMMENT("Like row_address in micro mode")}, + {"Zd", 333 UNTIC_COMMENT("Like cursor_up in micro mode")}, + {"Ze", 334 UNTIC_COMMENT("Match software bits to print-head pins")}, + {"Zf", 335 UNTIC_COMMENT("Like parm_down_cursor in micro mode")}, + {"Zg", 336 UNTIC_COMMENT("Like parm_left_cursor in micro mode")}, + {"Zh", 337 UNTIC_COMMENT("Like parm_right_cursor in micro mode")}, + {"Zi", 338 UNTIC_COMMENT("Like parm_up_cursor in micro mode")}, + {"Zj", 339 UNTIC_COMMENT("Select character set")}, + {"Zk", 340 UNTIC_COMMENT("Set bottom margin at current line")}, + {"Zl", 341 UNTIC_COMMENT("Set bottom margin at line #1 or #2 lines from bottom")}, + {"Zm", 342 UNTIC_COMMENT("Set left (right) margin at column #1 (#2)")}, + {"Zn", 343 UNTIC_COMMENT("Set right margin at column #1")}, + {"Zo", 344 UNTIC_COMMENT("Set top margin at current line")}, + {"Zp", 345 UNTIC_COMMENT("Set top (bottom) margin at row #1 (#2)")}, + {"Zq", 346 UNTIC_COMMENT("Start printing bit image braphics")}, + {"Zr", 347 UNTIC_COMMENT("Start character set definition")}, + {"Zs", 348 UNTIC_COMMENT("Stop printing bit image graphics")}, + {"Zt", 349 UNTIC_COMMENT("End definition of character aet")}, + {"Zu", 350 UNTIC_COMMENT("List of subscriptable characters")}, + {"Zv", 351 UNTIC_COMMENT("List of superscriptable characters")}, + {"Zw", 352 UNTIC_COMMENT("Printing any of these chars causes CR")}, + {"Zx", 353 UNTIC_COMMENT("No motion for subsequent character")}, + {"Zy", 354 UNTIC_COMMENT("List of character set names")}, + {"Zz", 371 UNTIC_COMMENT("Move to next row of the bit image")}, + {"ac", 146 UNTIC_COMMENT("acs_chars")}, + {"ae", 38 UNTIC_COMMENT("exit_alt_charset_mode")}, + {"al", 53 UNTIC_COMMENT("insert line")}, + {"as", 25 UNTIC_COMMENT("enter_alt_charset_mode")}, + {"bc", 395 UNTIC_COMMENT("move left, if not ^H")}, + {"bl", 1 UNTIC_COMMENT("audible signal (bell)")}, + {"bt", 0 UNTIC_COMMENT("back tab")}, + {"bx", 411 UNTIC_COMMENT("box chars primary set")}, + {"cb", 269 UNTIC_COMMENT("Clear to beginning of line")}, + {"cd", 7 UNTIC_COMMENT("clear to end of screen")}, + {"ce", 6 UNTIC_COMMENT("clr_eol")}, + {"ch", 8 UNTIC_COMMENT("horizontal position #1, absolute")}, + {"ci", 363 UNTIC_COMMENT("Init sequence for multiple codesets")}, + {"cl", 5 UNTIC_COMMENT("clear screen and home cursor")}, + {"cm", 10 UNTIC_COMMENT("move to row #1 columns #2")}, + {"cr", 2 UNTIC_COMMENT("carriage return")}, + {"cs", 3 UNTIC_COMMENT("change region to line #1 to line #2")}, + {"ct", 4 UNTIC_COMMENT("clear all tab stops")}, + {"cv", 127 UNTIC_COMMENT("vertical position #1 absolute")}, + {"dc", 21 UNTIC_COMMENT("delete character")}, + {"dl", 22 UNTIC_COMMENT("delete line")}, + {"dm", 29 UNTIC_COMMENT("enter delete mode")}, + {"do", 11 UNTIC_COMMENT("down one line")}, + {"ds", 23 UNTIC_COMMENT("disable status line")}, + {"dv", 362 UNTIC_COMMENT("Indicate language/codeset support")}, + {"eA", 155 UNTIC_COMMENT("enable alternate char set")}, + {"ec", 37 UNTIC_COMMENT("erase #1 characters")}, + {"ed", 41 UNTIC_COMMENT("end delete mode")}, + {"ei", 42 UNTIC_COMMENT("exit insert mode")}, + {"ff", 46 UNTIC_COMMENT("hardcopy terminal page eject")}, + {"fh", 284 UNTIC_COMMENT("flash switch hook")}, + {"fs", 47 UNTIC_COMMENT("return from status line")}, + {"hd", 24 UNTIC_COMMENT("half a line down")}, + {"ho", 12 UNTIC_COMMENT("home cursor (if no cup)")}, + {"hu", 137 UNTIC_COMMENT("half a line up")}, + {"i1", 48 UNTIC_COMMENT("initialization string")}, + {"i2", 392 UNTIC_COMMENT("secondary initialization string")}, + {"i3", 50 UNTIC_COMMENT("initialization string")}, + {"iP", 138 UNTIC_COMMENT("path name of program for initialization")}, + {"ic", 52 UNTIC_COMMENT("insert character")}, + {"if", 51 UNTIC_COMMENT("name of initialization file")}, + {"im", 31 UNTIC_COMMENT("enter insert mode")}, + {"ip", 54 UNTIC_COMMENT("insert padding after inserted character")}, + {"is", 49 UNTIC_COMMENT("initialization string")}, + {"k0", 65 UNTIC_COMMENT("F0 function key")}, + {"k1", 66 UNTIC_COMMENT("F1 function key")}, + {"k2", 68 UNTIC_COMMENT("F2 function key")}, + {"k3", 69 UNTIC_COMMENT("F3 function key")}, + {"k4", 70 UNTIC_COMMENT("F4 function key")}, + {"k5", 71 UNTIC_COMMENT("F5 function key")}, + {"k6", 72 UNTIC_COMMENT("F6 function key")}, + {"k7", 73 UNTIC_COMMENT("F7 function key")}, + {"k8", 74 UNTIC_COMMENT("F8 fucntion key")}, + {"k9", 75 UNTIC_COMMENT("F9 function key")}, + {"k;", 67 UNTIC_COMMENT("F10 function key")}, + {"kA", 78 UNTIC_COMMENT("insert-line key")}, + {"kB", 148 UNTIC_COMMENT("back-tab key")}, + {"kC", 57 UNTIC_COMMENT("clear-screen or erase key")}, + {"kD", 59 UNTIC_COMMENT("delete-character key")}, + {"kE", 63 UNTIC_COMMENT("clear-to-end-of-line key")}, + {"kF", 84 UNTIC_COMMENT("scroll-forward key")}, + {"kH", 80 UNTIC_COMMENT("last-line key")}, + {"kI", 77 UNTIC_COMMENT("insert-character key")}, + {"kL", 60 UNTIC_COMMENT("delete-line key")}, + {"kM", 62 UNTIC_COMMENT("sent by rmir or smir in insert mode")}, + {"kN", 81 UNTIC_COMMENT("next-page key")}, + {"kP", 82 UNTIC_COMMENT("prev-page key")}, + {"kR", 85 UNTIC_COMMENT("scroll-backward key")}, + {"kS", 64 UNTIC_COMMENT("clear-to-end-of-screen key")}, + {"kT", 86 UNTIC_COMMENT("set-tab key")}, + {"ka", 56 UNTIC_COMMENT("clear-all-tabs key")}, + {"kb", 55 UNTIC_COMMENT("backspace key")}, + {"kd", 61 UNTIC_COMMENT("down-arrow key")}, + {"ke", 88 UNTIC_COMMENT("leave 'keyboard_transmit' mode")}, + {"kh", 76 UNTIC_COMMENT("home key")}, + {"kl", 79 UNTIC_COMMENT("left-arrow key")}, + {"ko", 396 UNTIC_COMMENT("list of self-mapped keycaps")}, + {"kr", 83 UNTIC_COMMENT("right-arrow key")}, + {"ks", 89 UNTIC_COMMENT("enter 'keyboard_transmit' mode")}, + {"kt", 58 UNTIC_COMMENT("clear-tab key")}, + {"ku", 87 UNTIC_COMMENT("up-arrow key")}, + {"l0", 90 UNTIC_COMMENT("label on function key f0 if not f0")}, + {"l1", 91 UNTIC_COMMENT("label on function key f1 if not f1")}, + {"l2", 93 UNTIC_COMMENT("label on function key f2 if not f2")}, + {"l3", 94 UNTIC_COMMENT("label on function key f3 if not f3")}, + {"l4", 95 UNTIC_COMMENT("label on function key f4 if not f4")}, + {"l5", 96 UNTIC_COMMENT("lable on function key f5 if not f5")}, + {"l6", 97 UNTIC_COMMENT("label on function key f6 if not f6")}, + {"l7", 98 UNTIC_COMMENT("label on function key f7 if not f7")}, + {"l8", 99 UNTIC_COMMENT("label on function key f8 if not f8")}, + {"l9", 100 UNTIC_COMMENT("label on function key f9 if not f9")}, + {"la", 92 UNTIC_COMMENT("label on function key f10 if not f10")}, + {"le", 14 UNTIC_COMMENT("move left one space")}, + {"ll", 18 UNTIC_COMMENT("last line, first column (if no cup)")}, + {"ma", 397 UNTIC_COMMENT("map arrow keys rogue(1) motion keys")}, + {"mb", 26 UNTIC_COMMENT("turn on blinking")}, + {"md", 27 UNTIC_COMMENT("turn on bold (extra bright) mode")}, + {"me", 39 UNTIC_COMMENT("turn off all attributes")}, + {"mh", 30 UNTIC_COMMENT("turn on half-bright mode")}, + {"mk", 32 UNTIC_COMMENT("turn on blank mode (characters invisible)")}, + {"ml", 409 UNTIC_COMMENT("memory lock above")}, + {"mm", 102 UNTIC_COMMENT("turn on meta mode (8th-bit on)")}, + {"mo", 101 UNTIC_COMMENT("turn off meta mode")}, + {"mp", 33 UNTIC_COMMENT("turn on protected mode")}, + {"mr", 34 UNTIC_COMMENT("turn on reverse video mode")}, + {"mu", 410 UNTIC_COMMENT("memory unlock")}, + {"nd", 17 UNTIC_COMMENT("move right one space")}, + {"nl", 394 UNTIC_COMMENT("use to move down")}, + {"nw", 103 UNTIC_COMMENT("newline (behave like cr followed by lf)")}, + {"oc", 298 UNTIC_COMMENT("Set all color pairs to the original ones")}, + {"op", 297 UNTIC_COMMENT("Set default pair to its original value")}, + {"pO", 144 UNTIC_COMMENT("turn on printer for #1 bytes")}, + {"pc", 104 UNTIC_COMMENT("padding char (instead of null)")}, + {"pf", 119 UNTIC_COMMENT("turn off printer")}, + {"pk", 115 UNTIC_COMMENT("program function key #1 to type string #2")}, + {"pl", 116 UNTIC_COMMENT("program function key #1 to execute string #2")}, + {"pn", 147 UNTIC_COMMENT("program label #1 to show string #2")}, + {"po", 120 UNTIC_COMMENT("turn on printer")}, + {"ps", 118 UNTIC_COMMENT("print contents of screen")}, + {"px", 117 UNTIC_COMMENT("program function key #1 to transmit string #2")}, + {"r1", 122 UNTIC_COMMENT("reset string")}, + {"r2", 123 UNTIC_COMMENT("reset string")}, + {"r3", 124 UNTIC_COMMENT("reset string")}, + {"rP", 145 UNTIC_COMMENT("like ip but when in insert mode")}, + {"rc", 126 UNTIC_COMMENT("restore cursor to last position of sc")}, + {"rf", 125 UNTIC_COMMENT("name of reset file")}, + {"rp", 121 UNTIC_COMMENT("repeat char #1 #2 times")}, + {"rs", 393 UNTIC_COMMENT("terminal reset string")}, + {"s0", 364 UNTIC_COMMENT("Shift to code set 0 (EUC set 0, ASCII)")}, + {"s1", 365 UNTIC_COMMENT("Shift to code set 1")}, + {"s2", 366 UNTIC_COMMENT("Shift to code set 2")}, + {"s3", 367 UNTIC_COMMENT("Shift to code set 3")}, + {"sa", 131 UNTIC_COMMENT("define video attributes #1-#9 (PG9)")}, + {"sc", 128 UNTIC_COMMENT("save current cursor position")}, + {"se", 43 UNTIC_COMMENT("exit standout mode")}, + {"sf", 129 UNTIC_COMMENT("scroll text up")}, + {"so", 35 UNTIC_COMMENT("begin standout mode")}, + {"sp", 301 UNTIC_COMMENT("Set current color pair to #1")}, + {"sr", 130 UNTIC_COMMENT("scroll text down")}, + {"st", 132 UNTIC_COMMENT("set a tab in every row, current columns")}, + {"ta", 134 UNTIC_COMMENT("tab to next 8-space hardware tab stop")}, + {"te", 40 UNTIC_COMMENT("strings to end programs using cup")}, + {"ti", 28 UNTIC_COMMENT("string to start programs using cup")}, + {"ts", 135 UNTIC_COMMENT("move to status line")}, + {"u0", 287 UNTIC_COMMENT("User string #0")}, + {"u1", 288 UNTIC_COMMENT("User string #1")}, + {"u2", 289 UNTIC_COMMENT("User string #2")}, + {"u3", 290 UNTIC_COMMENT("User string #3")}, + {"u4", 291 UNTIC_COMMENT("User string #4")}, + {"u5", 292 UNTIC_COMMENT("User string #5")}, + {"u6", 293 UNTIC_COMMENT("User string #6")}, + {"u7", 294 UNTIC_COMMENT("User string #7")}, + {"u8", 295 UNTIC_COMMENT("User string #8")}, + {"u9", 296 UNTIC_COMMENT("User string #9")}, + {"uc", 136 UNTIC_COMMENT("underline char and move past it")}, + {"ue", 44 UNTIC_COMMENT("exit underline mode")}, + {"up", 19 UNTIC_COMMENT("up one line")}, + {"us", 36 UNTIC_COMMENT("begin underline mode")}, + {"vb", 45 UNTIC_COMMENT("visible bell (may not move cursor)")}, + {"ve", 16 UNTIC_COMMENT("make cursor appear normal (undo civis/cvvis)")}, + {"vi", 13 UNTIC_COMMENT("make cursor invisible")}, + {"vs", 20 UNTIC_COMMENT("make cursor very visible")}, + {"wi", 133 UNTIC_COMMENT("current window is lines #1-#2 cols #3-#4")}, + {"xl", 361 UNTIC_COMMENT("Program function key #1 to type string #2 and show string #3")}, + {"", -1 UNTIC_COMMENT(NULL)} +}; + +static int compute_cap_offset (char *cap, SLterminfo_Type *t, Tgetstr_Map_Type *map, unsigned int max_ofs) +{ + char cha, chb; + + (void) t; + cha = *cap++; chb = *cap; + + while (*map->name != 0) + { + if ((cha == *map->name) && (chb == *(map->name + 1))) + { + if (map->offset >= (int) max_ofs) return -1; + return map->offset; + } + map++; + } + return -1; +} + +char *_SLtt_tigetstr (SLterminfo_Type *t, char *cap) +{ + int offset; + + if (t == NULL) + return NULL; + + if (t->flags == SLTERMCAP) return tcap_getstr (cap, t); + + offset = compute_cap_offset (cap, t, Tgetstr_Map, t->num_string_offsets); + if (offset < 0) return NULL; + offset = make_integer (t->string_offsets + 2 * offset); + if (offset < 0) return NULL; + return t->string_table + offset; +} + +static Tgetstr_Map_Type Tgetnum_Map[] = +{ + {"BT", 30 UNTIC_COMMENT("number of buttons on mouse")}, + {"Co", 13 UNTIC_COMMENT("maximum numbers of colors on screen")}, + {"MW", 12 UNTIC_COMMENT("maxumum number of defineable windows")}, + {"NC", 15 UNTIC_COMMENT("video attributes that can't be used with colors")}, + {"Nl", 8 UNTIC_COMMENT("number of labels on screen")}, + {"Ya", 16 UNTIC_COMMENT("numbers of bytes buffered before printing")}, + {"Yb", 17 UNTIC_COMMENT("spacing of pins vertically in pins per inch")}, + {"Yc", 18 UNTIC_COMMENT("spacing of dots horizontally in dots per inch")}, + {"Yd", 19 UNTIC_COMMENT("maximum value in micro_..._address")}, + {"Ye", 20 UNTIC_COMMENT("maximum value in parm_..._micro")}, + {"Yf", 21 UNTIC_COMMENT("character size when in micro mode")}, + {"Yg", 22 UNTIC_COMMENT("line size when in micro mode")}, + {"Yh", 23 UNTIC_COMMENT("numbers of pins in print-head")}, + {"Yi", 24 UNTIC_COMMENT("horizontal resolution in units per line")}, + {"Yj", 25 UNTIC_COMMENT("vertical resolution in units per line")}, + {"Yk", 26 UNTIC_COMMENT("horizontal resolution in units per inch")}, + {"Yl", 27 UNTIC_COMMENT("vertical resolution in units per inch")}, + {"Ym", 28 UNTIC_COMMENT("print rate in chars per second")}, + {"Yn", 29 UNTIC_COMMENT("character step size when in double wide mode")}, + {"Yo", 31 UNTIC_COMMENT("number of passed for each bit-image row")}, + {"Yp", 32 UNTIC_COMMENT("type of bit-image device")}, + {"co", 0 UNTIC_COMMENT("number of columns in aline")}, + {"dB", 36 UNTIC_COMMENT("padding required for ^H")}, + {"dC", 34 UNTIC_COMMENT("pad needed for CR")}, + {"dN", 35 UNTIC_COMMENT("pad needed for LF")}, + {"dT", 37 UNTIC_COMMENT("padding required for ^I")}, + {"it", 1 UNTIC_COMMENT("tabs initially every # spaces")}, + {"kn", 38 UNTIC_COMMENT("count of function keys")}, + {"lh", 9 UNTIC_COMMENT("rows in each label")}, + {"li", 2 UNTIC_COMMENT("number of lines on screen or page")}, + {"lm", 3 UNTIC_COMMENT("lines of memory if > line. 0 => varies")}, + {"lw", 10 UNTIC_COMMENT("columns in each label")}, + {"ma", 11 UNTIC_COMMENT("maximum combined attributes terminal can handle")}, + {"pa", 14 UNTIC_COMMENT("maximum number of color-pairs on the screen")}, + {"pb", 5 UNTIC_COMMENT("lowest baud rate where padding needed")}, + {"sg", 4 UNTIC_COMMENT("number of blank chars left by smso or rmso")}, + {"ug", 33 UNTIC_COMMENT("number of blanks left by ul")}, + {"vt", 6 UNTIC_COMMENT("virtual terminal number (CB/unix)")}, + {"ws", 7 UNTIC_COMMENT("columns in status line")}, + {"", -1 UNTIC_COMMENT(NULL)} +}; + +int _SLtt_tigetnum (SLterminfo_Type *t, char *cap) +{ + int offset; + + if (t == NULL) + return -1; + + if (t->flags == SLTERMCAP) return tcap_getnum (cap, t); + + offset = compute_cap_offset (cap, t, Tgetnum_Map, t->num_numbers); + if (offset < 0) return -1; + return make_integer (t->numbers + 2 * offset); +} + +static Tgetstr_Map_Type Tgetflag_Map[] = +{ + {"5i", 22 UNTIC_COMMENT("printer won't echo on screen")}, + {"HC", 23 UNTIC_COMMENT("cursor is hard to see")}, + {"MT", 40 UNTIC_COMMENT("has meta key")}, + {"ND", 26 UNTIC_COMMENT("scrolling region is non-destructive")}, + {"NL", 41 UNTIC_COMMENT("move down with \n")}, + {"NP", 25 UNTIC_COMMENT("pad character does not exist")}, + {"NR", 24 UNTIC_COMMENT("smcup does not reverse rmcup")}, + {"YA", 30 UNTIC_COMMENT("only positive motion for hpa/mhpa caps")}, + {"YB", 31 UNTIC_COMMENT("using cr turns off micro mode")}, + {"YC", 32 UNTIC_COMMENT("printer needs operator to change character set")}, + {"YD", 33 UNTIC_COMMENT("only positive motion for vpa/mvpa caps")}, + {"YE", 34 UNTIC_COMMENT("printing in last column causes cr")}, + {"YF", 35 UNTIC_COMMENT("changing character pitch changes resolution")}, + {"YG", 36 UNTIC_COMMENT("changing line pitch changes resolution")}, + {"am", 1 UNTIC_COMMENT("terminal has automatic margins")}, + {"bs", 37 UNTIC_COMMENT("uses ^H to move left")}, + {"bw", 0 UNTIC_COMMENT("cub1 wraps from column 0 to last column")}, + {"cc", 27 UNTIC_COMMENT("terminal can re-define existing colors")}, + {"da", 11 UNTIC_COMMENT("display may be retained above the screen")}, + {"db", 12 UNTIC_COMMENT("display may be retained below the screen")}, + {"eo", 5 UNTIC_COMMENT("can erase overstrikes with a blank")}, + {"es", 16 UNTIC_COMMENT("escape can be used on the status line")}, + {"gn", 6 UNTIC_COMMENT("generic line type")}, + {"hc", 7 UNTIC_COMMENT("hardcopy terminal")}, + {"hl", 29 UNTIC_COMMENT("terminal uses only HLS color notation (tektronix)")}, + {"hs", 9 UNTIC_COMMENT("has extra status line")}, + {"hz", 18 UNTIC_COMMENT("can't print ~'s (hazeltine)")}, + {"in", 10 UNTIC_COMMENT("insert mode distinguishes nulls")}, + {"km", 8 UNTIC_COMMENT("Has a meta key, sets msb high")}, + {"mi", 13 UNTIC_COMMENT("safe to move while in insert mode")}, + {"ms", 14 UNTIC_COMMENT("safe to move while in standout mode")}, + {"nc", 39 UNTIC_COMMENT("no way to go to start of line")}, + {"ns", 38 UNTIC_COMMENT("crt cannot scroll")}, + {"nx", 21 UNTIC_COMMENT("padding won't work, xon/xoff required")}, + {"os", 15 UNTIC_COMMENT("terminal can overstrike")}, + {"pt", 42 UNTIC_COMMENT("has 8-char tabs invoked with ^I")}, + {"ul", 19 UNTIC_COMMENT("underline character overstrikes")}, + {"ut", 28 UNTIC_COMMENT("screen erased with background color")}, + {"xb", 2 UNTIC_COMMENT("beehive (f1=escape, f2=ctrl C)")}, + {"xn", 4 UNTIC_COMMENT("newline ignored after 80 cols (concept)")}, + {"xo", 20 UNTIC_COMMENT("terminal uses xon/xoff handshaking")}, + {"xr", 43 UNTIC_COMMENT("return clears the line")}, + {"xs", 3 UNTIC_COMMENT("standout not erased by overwriting (hp)")}, + {"xt", 17 UNTIC_COMMENT("tabs destructive, magic so char (t1061)")}, + {"", -1 UNTIC_COMMENT(NULL)} +}; + +int _SLtt_tigetflag (SLterminfo_Type *t, char *cap) +{ + int offset; + + if (t == NULL) return -1; + + if (t->flags == SLTERMCAP) return tcap_getflag (cap, t); + + offset = compute_cap_offset (cap, t, Tgetflag_Map, t->boolean_section_size); + + if (offset < 0) return -1; + return (int) *(t->boolean_flags + offset); +} + +/* These are my termcap routines. They only work with the TERMCAP environment + * variable. This variable must contain the termcap entry and NOT the file. + */ + +static int tcap_getflag (char *cap, SLterminfo_Type *t) +{ + char a, b; + char *f = (char *) t->boolean_flags; + char *fmax; + + if (f == NULL) return 0; + fmax = f + t->boolean_section_size; + + a = *cap; + b = *(cap + 1); + while (f < fmax) + { + if ((a == f[0]) && (b == f[1])) + return 1; + f += 2; + } + return 0; +} + +static char *tcap_get_cap (unsigned char *cap, unsigned char *caps, unsigned int len) +{ + unsigned char c0, c1; + unsigned char *caps_max; + + c0 = cap[0]; + c1 = cap[1]; + + if (caps == NULL) return NULL; + caps_max = caps + len; + while (caps < caps_max) + { + if ((c0 == caps[0]) && (c1 == caps[1])) + { + return (char *) caps + 3; + } + caps += (int) caps[2]; + } + return NULL; +} + +static int tcap_getnum (char *cap, SLterminfo_Type *t) +{ + cap = tcap_get_cap ((unsigned char *) cap, t->numbers, t->num_numbers); + if (cap == NULL) return -1; + return atoi (cap); +} + +static char *tcap_getstr (char *cap, SLterminfo_Type *t) +{ + return tcap_get_cap ((unsigned char *) cap, (unsigned char *) t->string_table, t->string_table_size); +} + +static int tcap_extract_field (unsigned char *t0) +{ + register unsigned char ch, *t = t0; + while (((ch = *t) != 0) && (ch != ':')) t++; + if (ch == ':') return (int) (t - t0); + return -1; +} + +int SLtt_Try_Termcap = 1; +static int tcap_getent (char *term, SLterminfo_Type *ti) +{ + unsigned char *termcap, ch; + unsigned char *buf, *b; + unsigned char *t; + int len; + + if (SLtt_Try_Termcap == 0) return -1; +#if 1 + /* XFREE86 xterm sets the TERMCAP environment variable to an invalid + * value. Specifically, it lacks the tc= string. + */ + if (!strncmp (term, "xterm", 5)) + return -1; +#endif + termcap = (unsigned char *) getenv ("TERMCAP"); + if ((termcap == NULL) || (*termcap == '/')) return -1; + + /* We have a termcap so lets use it provided it does not have a reference + * to another terminal via tc=. In that case, use terminfo. The alternative + * would be to parse the termcap file which I do not want to do right now. + * Besides, this is a terminfo based system and if the termcap were parsed + * terminfo would almost never get a chance to run. In addition, the tc= + * thing should not occur if tset is used to set the termcap entry. + */ + t = termcap; + while ((len = tcap_extract_field (t)) != -1) + { + if ((len > 3) && (t[0] == 't') && (t[1] == 'c') && (t[2] == '=')) + return -1; + t += (len + 1); + } + + /* malloc some extra space just in case it is needed. */ + len = strlen ((char *) termcap) + 256; + if (NULL == (buf = (unsigned char *) SLmalloc ((unsigned int) len))) return -1; + + b = buf; + + /* The beginning of the termcap entry contains the names of the entry. + * It is terminated by a colon. + */ + + ti->terminal_names = (char *) b; + t = termcap; + len = tcap_extract_field (t); + if (len < 0) + { + SLfree ((char *)buf); + return -1; + } + strncpy ((char *) b, (char *) t, (unsigned int) len); + b[len] = 0; + b += len + 1; + ti->name_section_size = len; + + /* Now, we are really at the start of the termcap entries. Point the + * termcap variable here since we want to refer to this a number of times. + */ + termcap = t + (len + 1); + + /* Process strings first. */ + ti->string_table = (char *) b; + t = termcap; + while (-1 != (len = tcap_extract_field (t))) + { + unsigned char *b1; + unsigned char *tmax; + + /* We are looking for: XX=something */ + if ((len < 4) || (t[2] != '=') || (*t == '.')) + { + t += len + 1; + continue; + } + tmax = t + len; + b1 = b; + + while (t < tmax) + { + ch = *t++; + if ((ch == '\\') && (t < tmax)) + { + t = (unsigned char *) _SLexpand_escaped_char ((char *) t, (char *) &ch); + } + else if ((ch == '^') && (t < tmax)) + { + ch = *t++; + if (ch == '?') ch = 127; + else ch = (ch | 0x20) - ('a' - 1); + } + *b++ = ch; + } + /* Null terminate it. */ + *b++ = 0; + len = (int) (b - b1); + b1[2] = (unsigned char) len; /* replace the = by the length */ + /* skip colon to next field. */ + t++; + } + ti->string_table_size = (int) (b - (unsigned char *) ti->string_table); + + /* Now process the numbers. */ + + t = termcap; + ti->numbers = b; + while (-1 != (len = tcap_extract_field (t))) + { + unsigned char *b1; + unsigned char *tmax; + + /* We are looking for: XX#NUMBER */ + if ((len < 4) || (t[2] != '#') || (*t == '.')) + { + t += len + 1; + continue; + } + tmax = t + len; + b1 = b; + + while (t < tmax) + { + *b++ = *t++; + } + /* Null terminate it. */ + *b++ = 0; + len = (int) (b - b1); + b1[2] = (unsigned char) len; /* replace the # by the length */ + t++; + } + ti->num_numbers = (int) (b - ti->numbers); + + /* Now process the flags. */ + t = termcap; + ti->boolean_flags = b; + while (-1 != (len = tcap_extract_field (t))) + { + /* We are looking for: XX#NUMBER */ + if ((len != 2) || (*t == '.') || (*t <= ' ')) + { + t += len + 1; + continue; + } + b[0] = t[0]; + b[1] = t[1]; + t += 3; + b += 2; + } + ti->boolean_section_size = (int) (b - ti->boolean_flags); + ti->flags = SLTERMCAP; + return 0; +} + + +/* These routines are provided only for backward binary compatability. + * They will vanish in V2.x + */ +char *SLtt_tigetent (char *s) +{ + return (char *) _SLtt_tigetent (s); +} + +extern char *SLtt_tigetstr (char *s, char **p) +{ + if (p == NULL) + return NULL; + return _SLtt_tigetstr ((SLterminfo_Type *) *p, s); +} + +extern int SLtt_tigetnum (char *s, char **p) +{ + if (p == NULL) + return -1; + return _SLtt_tigetnum ((SLterminfo_Type *) *p, s); +} + + |