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Diffstat (limited to 'usr.bin/vi/common/cut.h')
| -rw-r--r-- | usr.bin/vi/common/cut.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/usr.bin/vi/common/cut.h b/usr.bin/vi/common/cut.h new file mode 100644 index 000000000000..3113411a5242 --- /dev/null +++ b/usr.bin/vi/common/cut.h @@ -0,0 +1,96 @@ +/*- + * 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 *)); |