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/* $OpenBSD: cut.h,v 1.4 2002/01/31 11:10:39 hugh Exp $ */
/*-
* Copyright (c) 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
* Copyright (c) 1991, 1993, 1994, 1995, 1996
* Keith Bostic. All rights reserved.
*
* See the LICENSE file for redistribution information.
*
* @(#)cut.h 10.5 (Berkeley) 4/3/96
*/
typedef struct _texth TEXTH; /* TEXT list head structure. */
CIRCLEQ_HEAD(_texth, _text);
/* Cut buffers. */
struct _cb {
LIST_ENTRY(_cb) q; /* Linked list of cut buffers. */
TEXTH textq; /* Linked list of TEXT structures. */
CHAR_T name; /* Cut buffer name. */
size_t len; /* Total length of cut text. */
#define CB_LMODE 0x01 /* Cut was in line mode. */
u_int8_t flags;
};
/* Lines/blocks of text. */
struct _text { /* Text: a linked list of lines. */
CIRCLEQ_ENTRY(_text) q; /* Linked list of text structures. */
char *lb; /* Line buffer. */
size_t lb_len; /* Line buffer length. */
size_t len; /* Line length. */
/* These fields are used by the vi text input routine. */
recno_t lno; /* 1-N: file line. */
size_t cno; /* 0-N: file character in line. */
size_t ai; /* 0-N: autoindent bytes. */
size_t insert; /* 0-N: bytes to insert (push). */
size_t offset; /* 0-N: initial, unerasable chars. */
size_t owrite; /* 0-N: chars to overwrite. */
size_t R_erase; /* 0-N: 'R' erase count. */
size_t sv_cno; /* 0-N: Saved line cursor. */
size_t sv_len; /* 0-N: Saved line length. */
/*
* These fields returns information from the vi text input routine.
*
* The termination condition. Note, this field is only valid if the
* text input routine returns success.
* TERM_BS: User backspaced over the prompt.
* TERM_CEDIT: User entered <edit-char>.
* TERM_CR: User entered <carriage-return>; no data.
* TERM_ESC: User entered <escape>; no data.
* TERM_OK: Data available.
* TERM_SEARCH: Incremental search.
*/
enum {
TERM_BS, TERM_CEDIT, TERM_CR, TERM_ESC, TERM_OK, TERM_SEARCH
} term;
};
/*
* Get named buffer 'name'.
* Translate upper-case buffer names to lower-case buffer names.
*/
#define CBNAME(sp, cbp, nch) { \
CHAR_T L__name; \
L__name = isupper(nch) ? tolower(nch) : (nch); \
for (cbp = sp->gp->cutq.lh_first; \
cbp != NULL; cbp = cbp->q.le_next) \
if (cbp->name == L__name) \
break; \
}
/* Flags to the cut() routine. */
#define CUT_LINEMODE 0x01 /* Cut in line mode. */
#define CUT_NUMOPT 0x02 /* Numeric buffer: optional. */
#define CUT_NUMREQ 0x04 /* Numeric buffer: required. */
/* Special length to cut_line(). */
#define CUT_LINE_TO_EOL ((size_t) -1) /* Cut to the end of line. */
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