97 lines
3.9 KiB
C
97 lines
3.9 KiB
C
/*-
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* Copyright (c) 1991, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)cut.h 8.19 (Berkeley) 7/28/94
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*/
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typedef struct _texth TEXTH; /* TEXT list head structure. */
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CIRCLEQ_HEAD(_texth, _text);
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/* Cut buffers. */
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struct _cb {
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LIST_ENTRY(_cb) q; /* Linked list of cut buffers. */
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TEXTH textq; /* Linked list of TEXT structures. */
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CHAR_T name; /* Cut buffer name. */
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size_t len; /* Total length of cut text. */
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#define CB_LMODE 0x01 /* Cut was in line mode. */
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u_int8_t flags;
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};
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/* Lines/blocks of text. */
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struct _text { /* Text: a linked list of lines. */
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CIRCLEQ_ENTRY(_text) q; /* Linked list of text structures. */
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char *lb; /* Line buffer. */
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size_t lb_len; /* Line buffer length. */
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size_t len; /* Line length. */
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/* These fields are used by the vi text input routine. */
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recno_t lno; /* 1-N: line number. */
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size_t ai; /* 0-N: autoindent bytes. */
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size_t insert; /* 0-N: bytes to insert (push). */
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size_t offset; /* 0-N: initial, unerasable chars. */
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size_t owrite; /* 0-N: chars to overwrite. */
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size_t R_erase; /* 0-N: 'R' erase count. */
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size_t sv_cno; /* 0-N: Saved line cursor. */
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size_t sv_len; /* 0-N: Saved line length. */
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/* These fields are used by the ex text input routine. */
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u_char *wd; /* Width buffer. */
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size_t wd_len; /* Width buffer length. */
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};
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/*
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* Get named buffer 'name'.
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* Translate upper-case buffer names to lower-case buffer names.
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*/
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#define CBNAME(sp, cbp, nch) { \
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CHAR_T __name; \
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__name = isupper(nch) ? tolower(nch) : (nch); \
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for (cbp = sp->gp->cutq.lh_first; \
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cbp != NULL; cbp = cbp->q.le_next) \
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if (cbp->name == __name) \
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break; \
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}
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#define CUT_LINEMODE 0x01 /* Cut in line mode. */
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#define CUT_NUMOPT 0x02 /* Numeric buffer: optional. */
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#define CUT_NUMREQ 0x04 /* Numeric buffer: required. */
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int cut __P((SCR *, EXF *, CHAR_T *, MARK *, MARK *, int));
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int cut_line __P((SCR *, EXF *, recno_t, size_t, size_t, CB *));
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int delete __P((SCR *, EXF *, MARK *, MARK *, int));
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int put __P((SCR *, EXF *, CB *, CHAR_T *, MARK *, MARK *, int));
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void text_free __P((TEXT *));
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TEXT *text_init __P((SCR *, const char *, size_t, size_t));
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void text_lfree __P((TEXTH *));
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