diff options
Diffstat (limited to 'main/editline/parse.c')
| -rw-r--r-- | main/editline/parse.c | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/main/editline/parse.c b/main/editline/parse.c deleted file mode 100644 index 0a34f0b15..000000000 --- a/main/editline/parse.c +++ /dev/null @@ -1,259 +0,0 @@ -/* $NetBSD: parse.c,v 1.15 2002/03/18 16:00:56 christos Exp $ */ - -/*- - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Christos Zoulas of Cornell University. - * - * 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. - */ - -#include "config.h" -#if !defined(lint) && !defined(SCCSID) -#if 0 -static char sccsid[] = "@(#)parse.c 8.1 (Berkeley) 6/4/93"; -#else -__RCSID("$NetBSD: parse.c,v 1.15 2002/03/18 16:00:56 christos Exp $"); -#endif -#endif /* not lint && not SCCSID */ - -/* - * parse.c: parse an editline extended command - * - * commands are: - * - * bind - * echotc - * edit - * gettc - * history - * settc - * setty - */ -#include "el.h" -#include "tokenizer.h" -#include <stdlib.h> - -private const struct { - const char *name; - int (*func)(EditLine *, int, const char **); -} cmds[] = { - { "bind", map_bind }, - { "echotc", term_echotc }, - { "edit", el_editmode }, - { "history", hist_list }, - { "telltc", term_telltc }, - { "settc", term_settc }, - { "setty", tty_stty }, - { NULL, NULL } -}; - - -/* parse_line(): - * Parse a line and dispatch it - */ -protected int -parse_line(EditLine *el, const char *line) -{ - const char **argv; - int argc; - Tokenizer *tok; - - tok = tok_init(NULL); - tok_line(tok, line, &argc, &argv); - argc = el_parse(el, argc, argv); - tok_end(tok); - return (argc); -} - - -/* el_parse(): - * Command dispatcher - */ -public int -el_parse(EditLine *el, int argc, const char *argv[]) -{ - const char *ptr; - int i; - - if (argc < 1) - return (-1); - ptr = strchr(argv[0], ':'); - if (ptr != NULL) { - char *tprog; - size_t l; - - if (ptr == argv[0]) - return (0); - l = ptr - argv[0] - 1; - tprog = (char *) el_malloc(l + 1); - if (tprog == NULL) - return (0); - (void) strncpy(tprog, argv[0], l); - tprog[l] = '\0'; - ptr++; - l = el_match(el->el_prog, tprog); - el_free(tprog); - if (!l) - return (0); - } else - ptr = argv[0]; - - for (i = 0; cmds[i].name != NULL; i++) - if (strcmp(cmds[i].name, ptr) == 0) { - i = (*cmds[i].func) (el, argc, argv); - return (-i); - } - return (-1); -} - - -/* parse__escape(): - * Parse a string of the form ^<char> \<odigit> \<char> and return - * the appropriate character or -1 if the escape is not valid - */ -protected int -parse__escape(const char **const ptr) -{ - const char *p; - int c; - - p = *ptr; - - if (p[1] == 0) - return (-1); - - if (*p == '\\') { - p++; - switch (*p) { - case 'a': - c = '\007'; /* Bell */ - break; - case 'b': - c = '\010'; /* Backspace */ - break; - case 't': - c = '\011'; /* Horizontal Tab */ - break; - case 'n': - c = '\012'; /* New Line */ - break; - case 'v': - c = '\013'; /* Vertical Tab */ - break; - case 'f': - c = '\014'; /* Form Feed */ - break; - case 'r': - c = '\015'; /* Carriage Return */ - break; - case 'e': - c = '\033'; /* Escape */ - break; - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - { - int cnt, ch; - - for (cnt = 0, c = 0; cnt < 3; cnt++) { - ch = *p++; - if (ch < '0' || ch > '7') { - p--; - break; - } - c = (c << 3) | (ch - '0'); - } - if ((c & 0xffffff00) != 0) - return (-1); - --p; - break; - } - default: - c = *p; - break; - } - } else if (*p == '^' && isalpha((unsigned char) p[1])) { - p++; - c = (*p == '?') ? '\177' : (*p & 0237); - } else - c = *p; - *ptr = ++p; - return (c); -} -/* parse__string(): - * Parse the escapes from in and put the raw string out - */ -protected char * -parse__string(char *out, const char *in) -{ - char *rv = out; - int n; - - for (;;) - switch (*in) { - case '\0': - *out = '\0'; - return (rv); - - case '\\': - case '^': - if ((n = parse__escape(&in)) == -1) - return (NULL); - *out++ = n; - break; - - default: - *out++ = *in++; - break; - } -} - - -/* parse_cmd(): - * Return the command number for the command string given - * or -1 if one is not found - */ -protected int -parse_cmd(EditLine *el, const char *cmd) -{ - el_bindings_t *b; - - for (b = el->el_map.help; b->name != NULL; b++) - if (strcmp(b->name, cmd) == 0) - return (b->func); - return (-1); -} |