freebsd-skq/contrib/nvi/common/seq.h
Peter Wemm f0957ccae4 Update nvi-1.79 to 2.1.1-4334a8297f
This is the gsoc-2011 project to clean up and backport multibyte support
from other nvi forks in a form we can use.

USE_WIDECHAR is on unless building for the rescue crunchgen. This should
allow editing in the native locale encoding.

USE_ICONV depends on make.conf having 'WITH_ICONV=YES' for now.  This
adds the ability to do things like edit a KOI8-R file while having $LANG
set to (say) en_US.UTF-8.  iconv is used to transcode the characters for
display.

Other points:
* It uses gencat and catopen/etc instead of homegrown msg catalog stuff.
* A lot of stuff has been trimmed out, eg: the perl and tcl bindings which
  we could never use in base anyway.
* It uses ncursesw when in widechar mode.  This could be interesting.

GSoC info: http://www.google-melange.com/gsoc/proposal/review/google/gsoc2011/zy/1
Repo at: https://github.com/lichray/nvi2

Obtained from:  Zhihao Yuan <lichray@gmail.com>
2013-08-11 20:03:12 +00:00

45 lines
1.6 KiB
C

/*-
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
* Copyright (c) 1992, 1993, 1994, 1995, 1996
* Keith Bostic. All rights reserved.
*
* See the LICENSE file for redistribution information.
*
* $Id: seq.h,v 10.4 2011/12/11 21:43:39 zy Exp $
*/
/*
* Map and abbreviation structures.
*
* The map structure is singly linked list, sorted by input string and by
* input length within the string. (The latter is necessary so that short
* matches will happen before long matches when the list is searched.)
* Additionally, there is a bitmap which has bits set if there are entries
* starting with the corresponding character. This keeps us from walking
* the list unless it's necessary.
*
* The name and the output fields of a SEQ can be empty, i.e. NULL.
* Only the input field is required.
*
* XXX
* The fast-lookup bits are never turned off -- users don't usually unmap
* things, though, so it's probably not a big deal.
*/
struct _seq {
SLIST_ENTRY(_seq) q; /* Linked list of all sequences. */
seq_t stype; /* Sequence type. */
CHAR_T *name; /* Sequence name (if any). */
size_t nlen; /* Name length. */
CHAR_T *input; /* Sequence input keys. */
size_t ilen; /* Input keys length. */
CHAR_T *output; /* Sequence output keys. */
size_t olen; /* Output keys length. */
#define SEQ_FUNCMAP 0x01 /* If unresolved function key.*/
#define SEQ_NOOVERWRITE 0x02 /* Don't replace existing entry. */
#define SEQ_SCREEN 0x04 /* If screen specific. */
#define SEQ_USERDEF 0x08 /* If user defined. */
u_int8_t flags;
};