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christos
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@ -1,4 +1,4 @@
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/* $NetBSD: keymacro.c,v 1.1 2011/07/28 01:56:27 christos Exp $ */
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/* $NetBSD: keymacro.c,v 1.2 2011/07/28 03:48:46 christos Exp $ */
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/*-
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* Copyright (c) 1992, 1993
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@ -35,27 +35,28 @@
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#include "config.h"
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#if !defined(lint) && !defined(SCCSID)
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#if 0
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static char sccsid[] = "@(#)key.c 8.1 (Berkeley) 6/4/93";
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static char sccsid[] = "@(#)keymacro.c 8.1 (Berkeley) 6/4/93";
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#else
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__RCSID("$NetBSD: keymacro.c,v 1.1 2011/07/28 01:56:27 christos Exp $");
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__RCSID("$NetBSD: keymacro.c,v 1.2 2011/07/28 03:48:46 christos Exp $");
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#endif
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#endif /* not lint && not SCCSID */
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/*
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* key.c: This module contains the procedures for maintaining
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* the extended-key map.
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* keymacro.c: This module contains the procedures for maintaining
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* the extended-key map.
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*
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* An extended-key (key) is a sequence of keystrokes introduced
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* with a sequence introducer and consisting of an arbitrary
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* number of characters. This module maintains a map (the el->el_keymacro.map)
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* number of characters. This module maintains a map (the
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* el->el_keymacro.map)
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* to convert these extended-key sequences into input strs
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* (XK_STR), editor functions (XK_CMD), or unix commands (XK_EXE).
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*
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* Warning:
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* If key is a substr of some other keys, then the longer
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* keys are lost!! That is, if the keys "abcd" and "abcef"
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* are in el->el_keymacro.map, adding the key "abc" will cause the first two
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* definitions to be lost.
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* are in el->el_keymacro.map, adding the key "abc" will cause
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* the first two definitions to be lost.
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*
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* Restrictions:
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* -------------
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@ -68,16 +69,16 @@ __RCSID("$NetBSD: keymacro.c,v 1.1 2011/07/28 01:56:27 christos Exp $");
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#include "el.h"
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/*
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* The Nodes of the el->el_keymacro.map. The el->el_keymacro.map is a linked list
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* of these node elements
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* The Nodes of the el->el_keymacro.map. The el->el_keymacro.map is a
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* linked list of these node elements
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*/
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struct keymacro_node_t {
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Char ch; /* single character of key */
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int type; /* node type */
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keymacro_value_t val; /* command code or pointer to str, */
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Char ch; /* single character of key */
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int type; /* node type */
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keymacro_value_t val; /* command code or pointer to str, */
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/* if this is a leaf */
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struct keymacro_node_t *next; /* ptr to next char of this key */
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struct keymacro_node_t *sibling; /* ptr to another key with same prefix*/
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struct keymacro_node_t *sibling;/* ptr to another key with same prefix*/
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};
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private int node_trav(EditLine *, keymacro_node_t *, Char *,
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@ -87,9 +88,10 @@ private int node__try(EditLine *, keymacro_node_t *, const Char *,
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private keymacro_node_t *node__get(Int);
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private void node__free(keymacro_node_t *);
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private void node__put(EditLine *, keymacro_node_t *);
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private int node__delete(EditLine *, keymacro_node_t **, const Char *);
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private int node_lookup(EditLine *, const Char *, keymacro_node_t *,
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size_t);
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private int node__delete(EditLine *, keymacro_node_t **,
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const Char *);
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private int node_lookup(EditLine *, const Char *,
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keymacro_node_t *, size_t);
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private int node_enum(EditLine *, keymacro_node_t *, size_t);
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#define KEY_BUFSIZ EL_BUFSIZ
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@ -102,7 +104,8 @@ protected int
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keymacro_init(EditLine *el)
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{
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el->el_keymacro.buf = el_malloc(KEY_BUFSIZ * sizeof(*el->el_keymacro.buf));
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el->el_keymacro.buf = el_malloc(KEY_BUFSIZ *
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sizeof(*el->el_keymacro.buf));
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if (el->el_keymacro.buf == NULL)
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return (-1);
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el->el_keymacro.map = NULL;
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@ -148,8 +151,8 @@ keymacro_map_str(EditLine *el, Char *str)
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/* keymacro_reset():
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* Takes all nodes on el->el_keymacro.map and puts them on free list. Then
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* initializes el->el_keymacro.map with arrow keys
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* Takes all nodes on el->el_keymacro.map and puts them on free list.
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* Then initializes el->el_keymacro.map with arrow keys
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* [Always bind the ansi arrow keys?]
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*/
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protected void
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@ -179,10 +182,10 @@ keymacro_get(EditLine *el, Char *ch, keymacro_value_t *val)
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/* keymacro_add():
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* Adds key to the el->el_keymacro.map and associates the value in val with it.
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* If key is already is in el->el_keymacro.map, the new code is applied to the
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* existing key. Ntype specifies if code is a command, an
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* out str or a unix command.
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* Adds key to the el->el_keymacro.map and associates the value in
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* val with it. If key is already is in el->el_keymacro.map, the new
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* code is applied to the existing key. Ntype specifies if code is a
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* command, an out str or a unix command.
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*/
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protected void
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keymacro_add(EditLine *el, const Char *key, keymacro_value_t *val, int ntype)
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@ -264,8 +267,8 @@ keymacro_print(EditLine *el, const Char *key)
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el->el_keymacro.buf[0] = '"';
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if (node_lookup(el, key, el->el_keymacro.map, 1) <= -1)
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/* key is not bound */
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(void) fprintf(el->el_errfile, "Unbound extended key \"" FSTR "\"\n",
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key);
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(void) fprintf(el->el_errfile, "Unbound extended key \"" FSTR
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"\"\n", key);
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return;
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}
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@ -312,7 +315,8 @@ node_trav(EditLine *el, keymacro_node_t *ptr, Char *ch, keymacro_value_t *val)
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* Find a node that matches *str or allocate a new one
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*/
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private int
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node__try(EditLine *el, keymacro_node_t *ptr, const Char *str, keymacro_value_t *val, int ntype)
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node__try(EditLine *el, keymacro_node_t *ptr, const Char *str,
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keymacro_value_t *val, int ntype)
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{
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if (ptr->ch != *str) {
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@ -510,8 +514,9 @@ node_lookup(EditLine *el, const Char *str, keymacro_node_t *ptr, size_t cnt)
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else {
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/* next node is null so key should be complete */
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if (str[1] == 0) {
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el->el_keymacro.buf[cnt + used ] = '"';
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el->el_keymacro.buf[cnt + used + 1] = '\0';
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size_t px = cnt + used;
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el->el_keymacro.buf[px] = '"';
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el->el_keymacro.buf[px + 1] = '\0';
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keymacro_kprint(el, el->el_keymacro.buf,
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&ptr->val, ptr->type);
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return (0);
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@ -544,7 +549,8 @@ node_enum(EditLine *el, keymacro_node_t *ptr, size_t cnt)
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el->el_keymacro.buf[++cnt] = '\0';
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(void) fprintf(el->el_errfile,
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"Some extended keys too long for internal print buffer");
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(void) fprintf(el->el_errfile, " \"" FSTR "...\"\n", el->el_keymacro.buf);
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(void) fprintf(el->el_errfile, " \"" FSTR "...\"\n",
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el->el_keymacro.buf);
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return (0);
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}
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if (ptr == NULL) {
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@ -555,7 +561,8 @@ node_enum(EditLine *el, keymacro_node_t *ptr, size_t cnt)
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return (-1);
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}
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/* put this char at end of str */
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used = ct_visual_char(el->el_keymacro.buf + cnt, KEY_BUFSIZ - cnt, ptr->ch);
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used = ct_visual_char(el->el_keymacro.buf + cnt, KEY_BUFSIZ - cnt,
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ptr->ch);
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if (ptr->next == NULL) {
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/* print this key and function */
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el->el_keymacro.buf[cnt + used ] = '"';
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@ -662,4 +669,3 @@ add_endsep:
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buf[len - 1] = '\0';
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return (size_t)(b - buf);
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}
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