/*************************************************************************** * COPYRIGHT NOTICE * **************************************************************************** * ncurses is copyright (C) 1992-1995 * * Zeyd M. Ben-Halim * * zmbenhal@netcom.com * * Eric S. Raymond * * esr@snark.thyrsus.com * * * * Permission is hereby granted to reproduce and distribute ncurses * * by any means and for any fee, whether alone or as part of a * * larger distribution, in source or in binary form, PROVIDED * * this notice is included with any such distribution, and is not * * removed from any of its header files. Mention of ncurses in any * * applications linked with it is highly appreciated. * * * * ncurses comes AS IS with no warranty, implied or expressed. * * * ***************************************************************************/ /* * tic.h - Global variables and structures for the terminfo * compiler. * */ #ifndef __TIC_H #define __TIC_H #include /* for the _tracef() prototype, ERR/OK, bool defs */ /* ** The format of compiled terminfo files is as follows: ** ** Header (12 bytes), containing information given below ** Names Section, containing the names of the terminal ** Boolean Section, containing the values of all of the ** boolean capabilities ** A null byte may be inserted here to make ** sure that the Number Section begins on an ** even word boundary. ** Number Section, containing the values of all of the numeric ** capabilities, each as a short integer ** String Section, containing short integer offsets into the ** String Table, one per string capability ** String Table, containing the actual characters of the string ** capabilities. ** ** NOTE that all short integers in the file are stored using VAX/PDP-style ** byte-order, i.e., least-significant byte first. ** ** There is no structure definition here because it would only confuse ** matters. Terminfo format is a raw byte layout, not a structure ** dump. If you happen to be on a little-endian machine with 16-bit ** shorts that requires no padding between short members in a struct, ** then there is a natural C structure that captures the header, but ** not very helpfully. */ #define MAGIC 0432 /* first two bytes of a compiled entry */ #define MAX_NAME_SIZE 127 /* maximum legal name field size */ #define MAX_ENTRY_SIZE 4096 /* maximum legal entry size */ #define MAX_ALIAS 14 /* maximum size of individual name or alias */ /* location of user's personal info directory */ #define PRIVATE_INFO "%s/.terminfo" /* plug getenv("HOME") into %s */ #define DEBUG(n, a) if (_nc_tracing & (1 << (n - 1))) _tracef a extern unsigned _nc_tracing; extern void _nc_tracef(char *, ...) GCC_PRINTFLIKE(1,2); extern const char *_nc_visbuf(const char *); /* * These are the types of tokens returned by the scanner. The first * three are also used in the hash table of capability names. The scanner * returns one of these values after loading the specifics into the global * structure curr_token. */ #define BOOLEAN 0 /* Boolean capability */ #define NUMBER 1 /* Numeric capability */ #define STRING 2 /* String-valued capability */ #define CANCEL 3 /* Capability to be cancelled in following tc's */ #define NAMES 4 /* The names for a terminal type */ #define UNDEF 5 /* Undefined */ #define NO_PUSHBACK -1 /* used in pushtype to indicate no pushback */ /* * The global structure in which the specific parts of a * scanned token are returned. * */ struct token { char *tk_name; /* name of capability */ int tk_valnumber; /* value of capability (if a number) */ char *tk_valstring; /* value of capability (if a string) */ }; extern struct token _nc_curr_token; /* * The file comp_captab.c contains an array of these structures, one * per possible capability. These are indexed by a hash table array of * pointers to the same structures for use by the parser. */ struct name_table_entry { const char *nte_name; /* name to hash on */ int nte_type; /* BOOLEAN, NUMBER or STRING */ short nte_index; /* index of associated variable in its array */ short nte_link; /* index in table of next hash, or -1 */ }; struct alias { const char *from; const char *to; const char *source; }; extern const struct name_table_entry * const _nc_info_hash_table[]; extern const struct name_table_entry * const _nc_cap_hash_table[]; extern const struct alias _nc_capalias_table[]; extern const struct alias _nc_infoalias_table[]; extern const struct name_table_entry *_nc_get_table(bool); #define NOTFOUND ((struct name_table_entry *) 0) /* out-of-band values for representing absent capabilities */ #define ABSENT_BOOLEAN -1 #define ABSENT_NUMERIC -1 #define ABSENT_STRING (char *)0 /* out-of-band values for representing cancels */ #define CANCELLED_BOOLEAN (char)(-2) #define CANCELLED_NUMERIC -2 #define CANCELLED_STRING (char *)-1 /* termcap entries longer than this may break old binaries */ #define MAX_TERMCAP_LENGTH 1023 /* this is a documented limitation of terminfo */ #define MAX_TERMINFO_LENGTH 4096 #ifndef TERMINFO #define TERMINFO "/usr/share/terminfo" #endif /* comp_hash.c: name lookup */ struct name_table_entry const *_nc_find_entry(const char *, const struct name_table_entry *const *); struct name_table_entry const *_nc_find_type_entry(const char *, int, const struct name_table_entry *); /* comp_scan.c: lexical analysis */ extern int _nc_get_token(void); extern void _nc_push_token(int); extern void _nc_reset_input(FILE *, char *); extern void _nc_panic_mode(char); extern int _nc_curr_line; extern int _nc_curr_col; extern long _nc_curr_file_pos; extern long _nc_comment_start, _nc_comment_end; extern int _nc_syntax; extern long _nc_start_line; #define SYN_TERMINFO 0 #define SYN_TERMCAP 1 /* comp_error.c: warning & abort messages */ extern void _nc_set_source(const char *const name); extern void _nc_get_type(char *name); extern void _nc_set_type(const char *const name); extern void _nc_syserr_abort(const char *const,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN; extern void _nc_err_abort(const char *const,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN; extern void _nc_warning(const char *const,...) GCC_PRINTFLIKE(1,2); extern bool _nc_suppress_warnings; /* captoinfo.c: capability conversion */ extern char *_nc_captoinfo(char *const, char *, int const); extern char *_nc_infotocap(char *const, char *, int const); /* comp_main.c: compiler main */ extern const char *_nc_progname; /* read_entry.c */ extern const char *_nc_tic_dir(const char *); /* write_entry.c */ extern int _nc_tic_written(void); #endif /* __TIC_H */