freebsd-src/usr.bin/vi/common/cut.h
Sean Eric Fagan 18fd508d01 Latest public release of nvi, from Keith Bostic. I hope I got this
right ;).
Reviewed by:	Sean Eric Fagan
1994-08-16 23:36:45 +00:00

97 lines
3.9 KiB
C

/*-
* Copyright (c) 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)cut.h 8.19 (Berkeley) 7/28/94
*/
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: line number. */
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 are used by the ex text input routine. */
u_char *wd; /* Width buffer. */
size_t wd_len; /* Width buffer length. */
};
/*
* Get named buffer 'name'.
* Translate upper-case buffer names to lower-case buffer names.
*/
#define CBNAME(sp, cbp, nch) { \
CHAR_T __name; \
__name = isupper(nch) ? tolower(nch) : (nch); \
for (cbp = sp->gp->cutq.lh_first; \
cbp != NULL; cbp = cbp->q.le_next) \
if (cbp->name == __name) \
break; \
}
#define CUT_LINEMODE 0x01 /* Cut in line mode. */
#define CUT_NUMOPT 0x02 /* Numeric buffer: optional. */
#define CUT_NUMREQ 0x04 /* Numeric buffer: required. */
int cut __P((SCR *, EXF *, CHAR_T *, MARK *, MARK *, int));
int cut_line __P((SCR *, EXF *, recno_t, size_t, size_t, CB *));
int delete __P((SCR *, EXF *, MARK *, MARK *, int));
int put __P((SCR *, EXF *, CB *, CHAR_T *, MARK *, MARK *, int));
void text_free __P((TEXT *));
TEXT *text_init __P((SCR *, const char *, size_t, size_t));
void text_lfree __P((TEXTH *));