X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=include%2Ftic.h;h=ec03f75a2ac58b94c3a45c12ceaf5140c9eb2d5c;hp=0a850540b943d257752804d836fe502460635836;hb=2017ab0e60ca857accae38a01252e0cbdf5f1efe;hpb=0eb88fc5281804773e2a0c7a488a4452463535ce diff --git a/include/tic.h b/include/tic.h index 0a850540..ec03f75a 100644 --- a/include/tic.h +++ b/include/tic.h @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * + * Copyright (c) 1998-2012,2017 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 * @@ -29,25 +29,27 @@ /**************************************************************************** * Author: Zeyd M. Ben-Halim 1992,1995 * * and: Eric S. Raymond * + * and: Thomas E. Dickey 1996 on * ****************************************************************************/ /* - * tic.h - Global variables and structures for the terminfo - * compiler. - * + * $Id: tic.h,v 1.75 2017/07/29 23:21:06 tom Exp $ + * tic.h - Global variables and structures for the terminfo compiler. */ #ifndef __TIC_H #define __TIC_H - +/* *INDENT-OFF* */ #ifdef __cplusplus extern "C" { #endif +#include + #include /* for the _tracef() prototype, ERR/OK, bool defs */ /* -** The format of compiled terminfo files is as follows: +** The format of SVr2 compiled terminfo files is as follows: ** ** Header (12 bytes), containing information given below ** Names Section, containing the names of the terminal @@ -63,6 +65,11 @@ extern "C" { ** String Table, containing the actual characters of the string ** capabilities. ** +** In the SVr2 format, "short" means signed 16-bit numbers, which is sometimes +** inconvenient. The numbers are signed, to provide for absent and canceled +** values. ncurses6.1 introduced an extension to this compiled format, by +** making the Number Section a list of signed 32-bit integers. +** ** NOTE that all short integers in the file are stored using VAX/PDP-style ** byte-order, i.e., least-significant byte first. ** @@ -75,21 +82,41 @@ extern "C" { */ #define MAGIC 0432 /* first two bytes of a compiled entry */ +#define MAGIC2 01036 /* first two bytes of a compiled 32-bit entry */ + +#undef BYTE +#define BYTE(p,n) (unsigned char)((p)[n]) + +#define IS_NEG1(p) ((BYTE(p,0) == 0377) && (BYTE(p,1) == 0377)) +#define IS_NEG2(p) ((BYTE(p,0) == 0376) && (BYTE(p,1) == 0377)) +#define LOW_MSB(p) (BYTE(p,0) + 256*BYTE(p,1)) + +#define IS_TIC_MAGIC(p) (LOW_MSB(p) == MAGIC || LOW_MSB(p) == MAGIC2) + +#define quick_prefix(s) (!strncmp((s), "b64:", 4) || !strncmp((s), "hex:", 4)) /* * The "maximum" here is misleading; XSI guarantees minimum values, which a * given implementation may exceed. */ #define MAX_NAME_SIZE 512 /* maximum legal name field size (XSI:127) */ -#define MAX_ENTRY_SIZE 4096 /* maximum legal entry size */ +#define MAX_ENTRY_SIZE1 4096 /* maximum legal entry size (SVr2) */ +#define MAX_ENTRY_SIZE2 32768 /* maximum legal entry size (ncurses6.1) */ + +#if NCURSES_EXT_COLORS && HAVE_INIT_EXTENDED_COLOR +#define MAX_ENTRY_SIZE MAX_ENTRY_SIZE2 +#else +#define MAX_ENTRY_SIZE MAX_ENTRY_SIZE1 +#endif -/* The maximum size of individual name or alias is guaranteed in XSI to - * be 14, since that corresponds to the older filename lengths. Newer - * systems allow longer aliases, though not many terminal descriptions - * are written to use them. +/* + * The maximum size of individual name or alias is guaranteed in XSI to be at + * least 14, since that corresponds to the older filename lengths. Newer + * systems allow longer aliases, though not many terminal descriptions are + * written to use them. The MAX_ALIAS symbol is used for warnings. */ #if HAVE_LONG_FILE_NAMES -#define MAX_ALIAS 32 /* POSIX minimum for PATH_MAX */ +#define MAX_ALIAS 32 /* smaller than POSIX minimum for PATH_MAX */ #else #define MAX_ALIAS 14 /* SVr3 filename length */ #endif @@ -97,16 +124,26 @@ extern "C" { /* location of user's personal info directory */ #define PRIVATE_INFO "%s/.terminfo" /* plug getenv("HOME") into %s */ +/* + * Some traces are designed to be used via tic's verbose option (and similar in + * infocmp and toe) rather than the 'trace()' function. So we use the bits + * above the normal trace() parameter as a debug-level. + */ + +#define MAX_DEBUG_LEVEL 15 +#define DEBUG_LEVEL(n) ((n) << TRACE_SHIFT) + +#define set_trace_level(n) \ + _nc_tracing &= DEBUG_LEVEL(MAX_DEBUG_LEVEL) \ + + DEBUG_LEVEL(MAX_DEBUG_LEVEL) - 1, \ + _nc_tracing |= DEBUG_LEVEL(n) + #ifdef TRACE -#define DEBUG(n, a) if (_nc_tracing & (1 << (n - 1))) _tracef a +#define DEBUG(n, a) if (_nc_tracing >= DEBUG_LEVEL(n)) _tracef a #else #define DEBUG(n, a) /*nothing*/ #endif -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 @@ -123,65 +160,51 @@ extern const char *_nc_visbuf(const char *); #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. - * - */ +/* + * The global structure in which the specific parts of a + * scanned token are returned. + */ struct token { - char *tk_name; /* name of capability */ + 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; - - /* - * List of keynames with their corresponding code. - */ -struct kn { - const char *name; - int code; -}; - -extern const struct kn _nc_key_names[]; - - /* - * Offsets to string capabilities, with the corresponding functionkey - * codes. - */ +/* + * Offsets to string capabilities, with the corresponding functionkey codes. + */ struct tinfo_fkeys { unsigned offset; chtype code; }; -#ifdef BROKEN_LINKER - -#define _nc_tinfo_fkeys _nc_tinfo_fkeysf() -extern struct tinfo_fkeys *_nc_tinfo_fkeysf(void); - -#else - -extern struct tinfo_fkeys _nc_tinfo_fkeys[]; - -#endif - - /* - * 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. - */ +typedef short HashValue; +/* + * 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 */ + HashValue nte_index; /* index of associated variable in its array */ + HashValue nte_link; /* index in table of next hash, or -1 */ }; +/* + * Use this structure to hide differences between terminfo and termcap tables. + */ +typedef struct { + unsigned table_size; + const HashValue *table_data; + HashValue (*hash_of)(const char *); + int (*compare_names)(const char *, const char *); +} HashData; + struct alias { const char *from; @@ -189,30 +212,27 @@ struct alias 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); -extern const struct name_table_entry * const *_nc_get_hash_table(bool); - #define NOTFOUND ((struct name_table_entry *) 0) +/* + * The casts are required for correct sign-propagation with systems such as + * AIX, IRIX64, Solaris which default to unsigned characters. The C standard + * leaves this detail unspecified. + */ + /* out-of-band values for representing absent capabilities */ -#define ABSENT_BOOLEAN -1 -#define ABSENT_NUMERIC -1 +#define ABSENT_BOOLEAN ((signed char)-1) /* 255 */ +#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 +#define CANCELLED_BOOLEAN ((signed char)-2) /* 254 */ +#define CANCELLED_NUMERIC (-2) +#define CANCELLED_STRING (char *)(-1) -#define VALID_BOOLEAN(s) ((s) >= 0) +#define VALID_BOOLEAN(s) ((unsigned char)(s) <= 1) /* reject "-1" */ #define VALID_NUMERIC(s) ((s) >= 0) -#define VALID_STRING(s) ((s) != CANCELLED_STRING && (s) != ABSENT_STRING) +#define VALID_STRING(s) ((s) != CANCELLED_STRING && (s) != ABSENT_STRING) /* termcap entries longer than this may break old binaries */ #define MAX_TERMCAP_LENGTH 1023 @@ -224,60 +244,124 @@ extern const struct name_table_entry * const *_nc_get_hash_table(bool); #define TERMINFO "/usr/share/terminfo" #endif +#ifdef NCURSES_TERM_ENTRY_H_incl + +/* + * These entrypoints are used only by the ncurses utilities such as tic. + */ +#ifdef NCURSES_INTERNALS +/* access.c */ +extern NCURSES_EXPORT(unsigned) _nc_pathlast (const char *); +extern NCURSES_EXPORT(bool) _nc_is_abs_path (const char *); +extern NCURSES_EXPORT(bool) _nc_is_dir_path (const char *); +extern NCURSES_EXPORT(bool) _nc_is_file_path (const char *); +extern NCURSES_EXPORT(char *) _nc_basename (char *); +extern NCURSES_EXPORT(char *) _nc_rootname (char *); + +/* comp_captab.c */ +extern NCURSES_EXPORT(const struct name_table_entry *) _nc_get_table (bool); +extern NCURSES_EXPORT(const HashData *) _nc_get_hash_info (bool); +extern NCURSES_EXPORT(const struct alias *) _nc_get_alias_table (bool); + /* 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 *); +extern NCURSES_EXPORT(struct name_table_entry const *) _nc_find_type_entry + (const char *, int, bool); /* 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; +extern NCURSES_EXPORT(int) _nc_get_token (bool); +extern NCURSES_EXPORT(void) _nc_panic_mode (char); +extern NCURSES_EXPORT(void) _nc_push_token (int); +extern NCURSES_EXPORT_VAR(int) _nc_curr_col; +extern NCURSES_EXPORT_VAR(int) _nc_curr_line; +extern NCURSES_EXPORT_VAR(int) _nc_syntax; +extern NCURSES_EXPORT_VAR(int) _nc_strict_bsd; +extern NCURSES_EXPORT_VAR(long) _nc_comment_end; +extern NCURSES_EXPORT_VAR(long) _nc_comment_start; +extern NCURSES_EXPORT_VAR(long) _nc_curr_file_pos; +extern NCURSES_EXPORT_VAR(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; +extern NCURSES_EXPORT(const char *) _nc_get_source (void); +extern NCURSES_EXPORT(void) _nc_err_abort (const char *const,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN; +extern NCURSES_EXPORT(void) _nc_get_type (char *name); +extern NCURSES_EXPORT(void) _nc_set_source (const char *const); +extern NCURSES_EXPORT(void) _nc_set_type (const char *const); +extern NCURSES_EXPORT(void) _nc_syserr_abort (const char *const,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN; +extern NCURSES_EXPORT(void) _nc_warning (const char *const,...) GCC_PRINTFLIKE(1,2); +extern NCURSES_EXPORT_VAR(bool) _nc_suppress_warnings; + +/* comp_scan.c */ +extern NCURSES_EXPORT_VAR(struct token) _nc_curr_token; -/* comp_expand.c: expand string into readable form */ -extern char *_nc_tic_expand(const char *, bool, int); +/* captoinfo.c: capability conversion */ +extern NCURSES_EXPORT(char *) _nc_captoinfo (const char *, const char *, int const); +extern NCURSES_EXPORT(char *) _nc_infotocap (const char *, const char *, int const); -/* comp_scan.c: decode string from readable form */ -extern char _nc_trans_string(char *); +/* home_terminfo.c */ +extern NCURSES_EXPORT(char *) _nc_home_terminfo (void); -/* captoinfo.c: capability conversion */ -extern char *_nc_captoinfo(const char *, const char *, int const); -extern char *_nc_infotocap(const char *, const char *, int const); +/* init_keytry.c */ +#if BROKEN_LINKER +#define _nc_tinfo_fkeys _nc_tinfo_fkeysf() +extern NCURSES_EXPORT(const struct tinfo_fkeys *) _nc_tinfo_fkeysf (void); +#else +extern NCURSES_EXPORT_VAR(const struct tinfo_fkeys) _nc_tinfo_fkeys[]; +#endif + +/* lib_tparm.c */ +#define NUM_PARM 9 + +extern NCURSES_EXPORT_VAR(int) _nc_tparm_err; + +extern NCURSES_EXPORT(int) _nc_tparm_analyze(const char *, char **, int *); + +/* lib_trace.c */ +extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing; +extern NCURSES_EXPORT(const char *) _nc_visbuf (const char *); +extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *); /* lib_tputs.c */ -extern int _nc_nulls_sent; /* Add one for every null sent */ +extern NCURSES_EXPORT_VAR(int) _nc_nulls_sent; /* Add one for every null sent */ /* comp_main.c: compiler main */ -extern const char *_nc_progname; +extern const char * _nc_progname; -/* read_entry.c */ -extern const char *_nc_tic_dir(const char *); +/* db_iterator.c */ +extern NCURSES_EXPORT(const char *) _nc_next_db(DBDIRS *, int *); +extern NCURSES_EXPORT(const char *) _nc_tic_dir (const char *); +extern NCURSES_EXPORT(void) _nc_first_db(DBDIRS *, int *); +extern NCURSES_EXPORT(void) _nc_last_db(void); /* write_entry.c */ -extern int _nc_tic_written(void); +extern NCURSES_EXPORT(int) _nc_tic_written (void); + +#endif /* NCURSES_INTERNALS */ + +/* + * These entrypoints are used by tack. + */ + +/* comp_hash.c: name lookup */ +extern NCURSES_EXPORT(struct name_table_entry const *) _nc_find_entry + (const char *, const HashValue *); +extern NCURSES_EXPORT(const HashValue *) _nc_get_hash_table (bool); + +/* comp_scan.c: lexical analysis */ +extern NCURSES_EXPORT(void) _nc_reset_input (FILE *, char *); + +/* comp_expand.c: expand string into readable form */ +extern NCURSES_EXPORT(char *) _nc_tic_expand (const char *, bool, int); + +/* comp_scan.c: decode string from readable form */ +extern NCURSES_EXPORT(int) _nc_trans_string (char *, char *); + +#endif /* NCURSES_TERM_ENTRY_H_incl */ #ifdef __cplusplus } #endif +/* *INDENT-ON* */ #endif /* __TIC_H */