154 lines
4.9 KiB
C
154 lines
4.9 KiB
C
/* $NetBSD: term_private.h,v 1.8 2010/09/22 06:10:51 roy Exp $ */
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/*
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* Copyright (c) 2009, 2010 The NetBSD Foundation, Inc.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Roy Marples.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _TERM_PRIVATE_H_
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#define _TERM_PRIVATE_H_
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/* This header should only be used by libterminfo, tic and infocmp. */
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/* The terminfo database structure is private to us,
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* so it's documented here.
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* terminfo defines the largest number as 32767 and the largest
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* compiled entry as 4093 bytes long.
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* Thus, we store all numbers as uint16_t, including string length.
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* All strings are prefixed by length, including the null terminator.
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* The largest string length we can handle is 65535 bytes,
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* including the null terminator.
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* The largest capability block we can handle is 65535 bytes.
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* This means that we exceed the current terminfo defined limits.
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* The header is version (char), name.
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* version 0 is an alias, and the name refers to the real terminfo.
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* version 1 capabilities are defined as so:
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* description,
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* cap length, num flags, index, char,
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* cap length, num numbers, index, number,
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* cap length, num strings, index, string,
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* cap lelngth, num undefined caps, name, type (char), flag, number, string
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* The database itself is created using ndbm(3) and the numbers are
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* always stored as little endian.
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*/
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#include <sys/types.h>
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#define _TERMINFO
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/* We use the same ncurses tic macros so that our data is identical
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* when a caller uses the long name macros to access te terminfo data
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* directly. */
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#define ABSENT_BOOLEAN ((signed char)-1) /* 255 */
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#define ABSENT_NUMERIC (-1)
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#define ABSENT_STRING (char *)0
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#define CANCELLED_BOOLEAN ((signed char)-2) /* 254 */
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#define CANCELLED_NUMERIC (-2)
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#define CANCELLED_STRING (char *)(-1)
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#define VALID_BOOLEAN(s) ((unsigned char)(s) <= 1) /* reject "-1" */
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#define VALID_NUMERIC(s) ((s) >= 0)
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#define VALID_STRING(s) ((s) != CANCELLED_STRING && (s) != ABSENT_STRING)
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typedef struct {
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const char *id;
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char type;
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char flag;
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short num;
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const char *str;
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} TERMUSERDEF;
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typedef struct {
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int fildes;
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/* We need to expose these so that the macros work */
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const char *name;
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const char *desc;
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signed char *flags;
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short *nums;
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const char **strs;
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/* Storage area for terminfo data */
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char *_area;
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size_t _arealen;
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size_t _nuserdefs;
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TERMUSERDEF *_userdefs;
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/* So we don't rely on the global ospeed */
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short _ospeed;
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/* Output buffer for tparm */
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char *_buf;
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size_t _buflen;
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size_t _bufpos;
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/* A-Z static variables for tparm */
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long _snums[26];
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/* aliases of the terminal, | separated */
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const char *_alias;
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} TERMINAL;
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extern const char * _ti_database;
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ssize_t _ti_flagindex(const char *);
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ssize_t _ti_numindex(const char *);
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ssize_t _ti_strindex(const char *);
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const char * _ti_flagid(ssize_t);
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const char * _ti_numid(ssize_t);
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const char * _ti_strid(ssize_t);
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int _ti_getterm(TERMINAL *, const char *, int);
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void _ti_setospeed(TERMINAL *);
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void _ti_freeterm(TERMINAL *);
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/* libterminfo can compile terminfo strings too */
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#define TIC_WARNING (1 << 0)
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#define TIC_DESCRIPTION (1 << 1)
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#define TIC_ALIAS (1 << 2)
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#define TIC_COMMENT (1 << 3)
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#define TIC_EXTRA (1 << 4)
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#define UINT16_T_MAX 0xffff
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typedef struct {
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char *buf;
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size_t buflen;
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size_t bufpos;
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size_t entries;
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} TBUF;
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typedef struct {
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char *name;
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char *alias;
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char *desc;
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TBUF flags;
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TBUF nums;
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TBUF strs;
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TBUF extras;
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} TIC;
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char *_ti_grow_tbuf(TBUF *, size_t);
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char *_ti_get_token(char **, char);
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char *_ti_find_cap(TBUF *, char, short);
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char *_ti_find_extra(TBUF *, const char *);
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size_t _ti_store_extra(TIC *, int, char *, char, char, short,
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char *, size_t, int);
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TIC *_ti_compile(char *, int);
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ssize_t _ti_flatten(uint8_t **, const TIC *);
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void _ti_freetic(TIC *);
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#endif
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