Annotation of src/lib/libedit/hist.h, Revision 1.13.2.1
1.13.2.1! yamt 1: /* $NetBSD: hist.h,v 1.13 2011/07/28 20:50:55 christos Exp $ */
1.3 lukem 2:
1.1 cgd 3: /*-
4: * Copyright (c) 1992, 1993
5: * The Regents of the University of California. All rights reserved.
6: *
7: * This code is derived from software contributed to Berkeley by
8: * Christos Zoulas of Cornell University.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
1.10 agc 18: * 3. Neither the name of the University nor the names of its contributors
1.1 cgd 19: * may be used to endorse or promote products derived from this software
20: * without specific prior written permission.
21: *
22: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32: * SUCH DAMAGE.
33: *
34: * @(#)hist.h 8.1 (Berkeley) 6/4/93
35: */
36:
37: /*
38: * el.hist.c: History functions
39: */
40: #ifndef _h_el_hist
1.5 lukem 41: #define _h_el_hist
1.1 cgd 42:
43: #include "histedit.h"
44:
1.13 christos 45: typedef int (*hist_fun_t)(void *, TYPE(HistEvent) *, int, ...);
1.1 cgd 46:
47: typedef struct el_history_t {
1.11 christos 48: Char *buf; /* The history buffer */
1.6 jdolecek 49: size_t sz; /* Size of history buffer */
1.11 christos 50: Char *last; /* The last character */
1.5 lukem 51: int eventno; /* Event we are looking for */
1.13 christos 52: void * ref; /* Argument for history fcns */
1.5 lukem 53: hist_fun_t fun; /* Event access */
1.11 christos 54: TYPE(HistEvent) ev; /* Event cookie */
1.1 cgd 55: } el_history_t;
56:
1.12 christos 57: #define HIST_FUN_INTERNAL(el, fn, arg) \
1.4 christos 58: ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \
59: fn, arg)) == -1) ? NULL : (el)->el_history.ev.str)
1.12 christos 60: #ifdef WIDECHAR
61: #define HIST_FUN(el, fn, arg) \
62: (((el)->el_flags & NARROW_HISTORY) ? hist_convert(el, fn, arg) : \
63: HIST_FUN_INTERNAL(el, fn, arg))
64: #else
65: #define HIST_FUN(el, fn, arg) HIST_FUN_INTERNAL(el, fn, arg)
66: #endif
67:
1.1 cgd 68:
69: #define HIST_NEXT(el) HIST_FUN(el, H_NEXT, NULL)
70: #define HIST_FIRST(el) HIST_FUN(el, H_FIRST, NULL)
71: #define HIST_LAST(el) HIST_FUN(el, H_LAST, NULL)
72: #define HIST_PREV(el) HIST_FUN(el, H_PREV, NULL)
1.8 christos 73: #define HIST_SET(el, num) HIST_FUN(el, H_SET, num)
1.2 christos 74: #define HIST_LOAD(el, fname) HIST_FUN(el, H_LOAD fname)
75: #define HIST_SAVE(el, fname) HIST_FUN(el, H_SAVE fname)
1.13.2.1! yamt 76: #define HIST_SAVE_FP(el, fp) HIST_FUN(el, H_SAVE_FP fp)
1.1 cgd 77:
1.5 lukem 78: protected int hist_init(EditLine *);
79: protected void hist_end(EditLine *);
80: protected el_action_t hist_get(EditLine *);
1.13 christos 81: protected int hist_set(EditLine *, hist_fun_t, void *);
1.11 christos 82: protected int hist_command(EditLine *, int, const Char **);
1.6 jdolecek 83: protected int hist_enlargebuf(EditLine *, size_t, size_t);
1.12 christos 84: #ifdef WIDECHAR
1.13 christos 85: protected wchar_t *hist_convert(EditLine *, int, void *);
1.12 christos 86: #endif
1.1 cgd 87:
88: #endif /* _h_el_hist */
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