mirror of
git://git.code.sf.net/p/zsh/code
synced 2024-11-19 21:44:11 +01:00
1086 lines
26 KiB
C
1086 lines
26 KiB
C
/*
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* compctl.c - the compctl builtin
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*
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* This file is part of zsh, the Z shell.
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*
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* Copyright (c) 1992-1997 Paul Falstad
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* All rights reserved.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and to distribute modified versions of this software for any
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* purpose, provided that the above copyright notice and the following
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* two paragraphs appear in all copies of this software.
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*
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* In no event shall Paul Falstad or the Zsh Development Group be liable
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* to any party for direct, indirect, special, incidental, or consequential
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* damages arising out of the use of this software and its documentation,
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* even if Paul Falstad and the Zsh Development Group have been advised of
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* the possibility of such damage.
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*
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* Paul Falstad and the Zsh Development Group specifically disclaim any
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* warranties, including, but not limited to, the implied warranties of
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* merchantability and fitness for a particular purpose. The software
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* provided hereunder is on an "as is" basis, and Paul Falstad and the
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* Zsh Development Group have no obligation to provide maintenance,
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* support, updates, enhancements, or modifications.
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*
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*/
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#include "compctl.mdh"
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#include "compctl.pro"
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#define COMP_LIST (1<<0) /* -L */
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#define COMP_COMMAND (1<<1) /* -C */
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#define COMP_DEFAULT (1<<2) /* -D */
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#define COMP_FIRST (1<<3) /* -T */
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#define COMP_REMOVE (1<<4)
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#define COMP_SPECIAL (COMP_COMMAND|COMP_DEFAULT|COMP_FIRST)
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/* Flag for listing, command, default, or first completion */
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static int cclist;
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/* Mask for determining what to print */
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static unsigned long showmask = 0;
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/* Parse the basic flags for `compctl' */
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/**/
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static int
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get_compctl(char *name, char ***av, Compctl cc, int first, int isdef)
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{
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/* Parse the basic flags for completion:
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* first is a flag that we are not in extended completion,
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* while hx indicates or (+) completion (need to know for
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* default and command completion as the initial compctl is special).
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* cct is a temporary just to hold flags; it never needs freeing.
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*/
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struct compctl cct;
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char **argv = *av;
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int ready = 0, hx = 0;
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/* Handle `compctl + foo ...' specially: turn it into
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* a default compctl by removing it from the hash table.
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*/
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if (first && argv[0][0] == '+' && !argv[0][1] &&
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!(argv[1] && argv[1][0] == '-' && argv[1][1])) {
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argv++;
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if(argv[0] && argv[0][0] == '-')
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argv++;
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*av = argv;
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freecompctl(cc);
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cclist = COMP_REMOVE;
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return 0;
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}
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memset((void *)&cct, 0, sizeof(cct));
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/* Loop through the flags until we have no more: *
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* those with arguments are not properly allocated yet, *
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* we just hang on to the argument that was passed. */
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for (; !ready && argv[0] && argv[0][0] == '-' && (argv[0][1] || !first);) {
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if (!argv[0][1])
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*argv = "-+";
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while (!ready && *++(*argv)) {
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if(**argv == Meta)
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*++*argv ^= 32;
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switch (**argv) {
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case 'f':
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cct.mask |= CC_FILES;
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break;
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case 'c':
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cct.mask |= CC_COMMPATH;
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break;
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case 'm':
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cct.mask |= CC_EXTCMDS;
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break;
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case 'w':
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cct.mask |= CC_RESWDS;
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break;
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case 'o':
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cct.mask |= CC_OPTIONS;
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break;
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case 'v':
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cct.mask |= CC_VARS;
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break;
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case 'b':
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cct.mask |= CC_BINDINGS;
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break;
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case 'A':
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cct.mask |= CC_ARRAYS;
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break;
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case 'I':
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cct.mask |= CC_INTVARS;
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break;
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case 'F':
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cct.mask |= CC_SHFUNCS;
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break;
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case 'p':
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cct.mask |= CC_PARAMS;
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break;
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case 'E':
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cct.mask |= CC_ENVVARS;
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break;
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case 'j':
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cct.mask |= CC_JOBS;
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break;
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case 'r':
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cct.mask |= CC_RUNNING;
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break;
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case 'z':
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cct.mask |= CC_STOPPED;
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break;
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case 'B':
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cct.mask |= CC_BUILTINS;
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break;
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case 'a':
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cct.mask |= CC_ALREG | CC_ALGLOB;
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break;
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case 'R':
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cct.mask |= CC_ALREG;
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break;
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case 'G':
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cct.mask |= CC_ALGLOB;
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break;
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case 'u':
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cct.mask |= CC_USERS;
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break;
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case 'd':
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cct.mask |= CC_DISCMDS;
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break;
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case 'e':
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cct.mask |= CC_EXCMDS;
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break;
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case 'N':
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cct.mask |= CC_SCALARS;
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break;
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case 'O':
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cct.mask |= CC_READONLYS;
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break;
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case 'Z':
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cct.mask |= CC_SPECIALS;
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break;
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case 'q':
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cct.mask |= CC_REMOVE;
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break;
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case 'U':
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cct.mask |= CC_DELETE;
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break;
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case 'n':
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cct.mask |= CC_NAMED;
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break;
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case 'Q':
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cct.mask |= CC_QUOTEFLAG;
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break;
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case '/':
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cct.mask |= CC_DIRS;
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break;
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case 'k':
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if ((*argv)[1]) {
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cct.keyvar = (*argv) + 1;
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*argv = "" - 1;
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} else if (!argv[1]) {
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zwarnnam(name, "variable name expected after -%c", NULL,
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**argv);
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return 1;
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} else {
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cct.keyvar = *++argv;
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*argv = "" - 1;
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}
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break;
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case 'K':
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if ((*argv)[1]) {
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cct.func = (*argv) + 1;
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*argv = "" - 1;
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} else if (!argv[1]) {
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zwarnnam(name, "function name expected after -%c", NULL,
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**argv);
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return 1;
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} else {
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cct.func = *++argv;
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*argv = "" - 1;
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}
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break;
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case 'Y':
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cct.mask |= CC_EXPANDEXPL;
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goto expl;
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case 'X':
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cct.mask &= ~CC_EXPANDEXPL;
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expl:
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if ((*argv)[1]) {
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cct.explain = (*argv) + 1;
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*argv = "" - 1;
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} else if (!argv[1]) {
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zwarnnam(name, "string expected after -%c", NULL, **argv);
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return 1;
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} else {
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cct.explain = *++argv;
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*argv = "" - 1;
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}
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break;
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case 'y':
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if ((*argv)[1]) {
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cct.ylist = (*argv) + 1;
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*argv = "" - 1;
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} else if (!argv[1]) {
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zwarnnam(name, "function/variable expected after -%c",
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NULL, **argv);
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} else {
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cct.ylist = *++argv;
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*argv = "" - 1;
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}
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break;
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case 'P':
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if ((*argv)[1]) {
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cct.prefix = (*argv) + 1;
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*argv = "" - 1;
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} else if (!argv[1]) {
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zwarnnam(name, "string expected after -%c", NULL, **argv);
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return 1;
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} else {
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cct.prefix = *++argv;
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*argv = "" - 1;
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}
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break;
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case 'S':
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if ((*argv)[1]) {
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cct.suffix = (*argv) + 1;
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*argv = "" - 1;
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} else if (!argv[1]) {
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zwarnnam(name, "string expected after -%c", NULL, **argv);
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return 1;
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} else {
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cct.suffix = *++argv;
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*argv = "" - 1;
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}
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break;
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case 'g':
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if ((*argv)[1]) {
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cct.glob = (*argv) + 1;
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*argv = "" - 1;
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} else if (!argv[1]) {
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zwarnnam(name, "glob pattern expected after -%c", NULL,
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**argv);
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return 1;
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} else {
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cct.glob = *++argv;
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*argv = "" - 1;
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}
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break;
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case 's':
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if ((*argv)[1]) {
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cct.str = (*argv) + 1;
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*argv = "" - 1;
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} else if (!argv[1]) {
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zwarnnam(name, "command string expected after -%c", NULL,
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**argv);
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return 1;
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} else {
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cct.str = *++argv;
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*argv = "" - 1;
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}
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break;
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case 'l':
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if ((*argv)[1]) {
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cct.subcmd = (*argv) + 1;
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*argv = "" - 1;
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} else if (!argv[1]) {
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zwarnnam(name, "command name expected after -%c", NULL,
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**argv);
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return 1;
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} else {
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cct.subcmd = *++argv;
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*argv = "" - 1;
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}
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break;
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case 'W':
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if ((*argv)[1]) {
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cct.withd = (*argv) + 1;
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*argv = "" - 1;
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} else if (!argv[1]) {
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zwarnnam(name, "path expected after -%c", NULL,
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**argv);
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return 1;
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} else {
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cct.withd = *++argv;
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*argv = "" - 1;
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}
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break;
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case 'H':
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if ((*argv)[1])
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cct.hnum = atoi((*argv) + 1);
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else if (argv[1])
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cct.hnum = atoi(*++argv);
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else {
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zwarnnam(name, "number expected after -%c", NULL,
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**argv);
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return 1;
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}
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if (!argv[1]) {
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zwarnnam(name, "missing pattern after -%c", NULL,
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**argv);
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return 1;
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}
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cct.hpat = *++argv;
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if (cct.hnum < 1)
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cct.hnum = 0;
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if (*cct.hpat == '*' && !cct.hpat[1])
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cct.hpat = "";
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*argv = "" - 1;
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break;
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case 'C':
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if (first && !hx) {
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cclist |= COMP_COMMAND;
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} else {
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zwarnnam(name, "misplaced command completion (-C) flag",
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NULL, 0);
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return 1;
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}
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break;
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case 'D':
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if (first && !hx) {
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isdef = 1;
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cclist |= COMP_DEFAULT;
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} else {
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zwarnnam(name, "misplaced default completion (-D) flag",
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NULL, 0);
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return 1;
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}
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break;
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case 'T':
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if (first && !hx) {
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cclist |= COMP_FIRST;
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} else {
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zwarnnam(name, "misplaced first completion (-T) flag",
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NULL, 0);
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return 1;
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}
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break;
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case 'L':
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if (!first || hx) {
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zwarnnam(name, "illegal use of -L flag", NULL, 0);
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return 1;
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}
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cclist |= COMP_LIST;
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break;
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case 'x':
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if (!argv[1]) {
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zwarnnam(name, "condition expected after -%c", NULL,
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**argv);
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return 1;
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}
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if (first) {
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argv++;
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if (get_xcompctl(name, &argv, &cct, isdef)) {
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if (cct.ext)
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freecompctl(cct.ext);
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return 1;
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}
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ready = 2;
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} else {
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zwarnnam(name, "recursive extended completion not allowed",
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NULL, 0);
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return 1;
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}
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break;
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default:
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if (!first && (**argv == '-' || **argv == '+'))
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(*argv)--, argv--, ready = 1;
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else {
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zwarnnam(name, "bad option: -%c", NULL, **argv);
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return 1;
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}
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}
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}
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if (*++argv && (!ready || ready == 2) &&
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**argv == '+' && !argv[0][1]) {
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/* There's an alternative (+) completion: assign
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* what we have so far before moving on to that.
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*/
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if (cc_assign(name, &cc, &cct, first && !hx))
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return 1;
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hx = 1;
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ready = 0;
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if (!*++argv || **argv != '-' ||
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(**argv == '-' && (!argv[0][1] ||
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(argv[0][1] == '-' && !argv[0][2])))) {
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/* No argument to +, which means do default completion */
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if (isdef)
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zwarnnam(name,
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"recursive xor'd default completions not allowed",
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NULL, 0);
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else
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cc->xor = &cc_default;
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} else {
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/* more flags follow: prepare to loop again */
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cc->xor = (Compctl) zcalloc(sizeof(*cc));
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cc = cc->xor;
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memset((void *)&cct, 0, sizeof(cct));
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}
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}
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}
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if (!ready && *argv && **argv == '-')
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argv++;
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if (! (cct.mask & (CC_EXCMDS | CC_DISCMDS)))
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cct.mask |= CC_EXCMDS;
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/* assign the last set of flags we parsed */
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if (cc_assign(name, &cc, &cct, first && !hx))
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return 1;
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*av = argv;
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return 0;
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}
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/* Handle the -x ... -- part of compctl. */
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/**/
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static int
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get_xcompctl(char *name, char ***av, Compctl cc, int isdef)
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{
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char **argv = *av, *t, *tt, sav;
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int n, l = 0, ready = 0;
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Compcond m, c, o;
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Compctl *next = &(cc->ext);
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while (!ready) {
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/* o keeps track of or's, m remembers the starting condition,
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* c is the current condition being parsed
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*/
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o = m = c = (Compcond) zcalloc(sizeof(*c));
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/* Loop over each condition: something like 's[...][...], p[...]' */
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for (t = *argv; *t;) {
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while (*t == ' ')
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t++;
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/* First get the condition code */
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switch (*t) {
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case 's':
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c->type = CCT_CURSUF;
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break;
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case 'S':
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c->type = CCT_CURPRE;
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break;
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case 'p':
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c->type = CCT_POS;
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break;
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case 'c':
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c->type = CCT_CURSTR;
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break;
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case 'C':
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c->type = CCT_CURPAT;
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break;
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case 'w':
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c->type = CCT_WORDSTR;
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break;
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case 'W':
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c->type = CCT_WORDPAT;
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break;
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case 'n':
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c->type = CCT_CURSUB;
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break;
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case 'N':
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c->type = CCT_CURSUBC;
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break;
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case 'm':
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c->type = CCT_NUMWORDS;
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break;
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case 'r':
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c->type = CCT_RANGESTR;
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break;
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case 'R':
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c->type = CCT_RANGEPAT;
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break;
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default:
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t[1] = '\0';
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zwarnnam(name, "unknown condition code: %s", t, 0);
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zfree(m, sizeof(struct compcond));
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|
|
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return 1;
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}
|
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/* Now get the arguments in square brackets */
|
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if (t[1] != '[') {
|
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t[1] = '\0';
|
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zwarnnam(name, "expected condition after condition code: %s", t, 0);
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zfree(m, sizeof(struct compcond));
|
|
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return 1;
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}
|
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t++;
|
|
/* First count how many or'd arguments there are,
|
|
* marking the active ]'s and ,'s with unprintable characters.
|
|
*/
|
|
for (n = 0, tt = t; *tt == '['; n++) {
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|
for (l = 1, tt++; *tt && l; tt++)
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if (*tt == '\\' && tt[1])
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tt++;
|
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else if (*tt == '[')
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l++;
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else if (*tt == ']')
|
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l--;
|
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else if (l == 1 && *tt == ',')
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|
*tt = '\201';
|
|
if (tt[-1] == ']')
|
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tt[-1] = '\200';
|
|
}
|
|
|
|
if (l) {
|
|
t[1] = '\0';
|
|
zwarnnam(name, "error after condition code: %s", t, 0);
|
|
zfree(m, sizeof(struct compcond));
|
|
|
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return 1;
|
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}
|
|
c->n = n;
|
|
|
|
/* Allocate space for all the arguments of the conditions */
|
|
if (c->type == CCT_POS ||
|
|
c->type == CCT_NUMWORDS) {
|
|
c->u.r.a = (int *)zcalloc(n * sizeof(int));
|
|
c->u.r.b = (int *)zcalloc(n * sizeof(int));
|
|
} else if (c->type == CCT_CURSUF ||
|
|
c->type == CCT_CURPRE)
|
|
c->u.s.s = (char **)zcalloc(n * sizeof(char *));
|
|
|
|
else if (c->type == CCT_RANGESTR ||
|
|
c->type == CCT_RANGEPAT) {
|
|
c->u.l.a = (char **)zcalloc(n * sizeof(char *));
|
|
c->u.l.b = (char **)zcalloc(n * sizeof(char *));
|
|
} else {
|
|
c->u.s.p = (int *)zcalloc(n * sizeof(int));
|
|
c->u.s.s = (char **)zcalloc(n * sizeof(char *));
|
|
}
|
|
/* Now loop over the actual arguments */
|
|
for (l = 0; *t == '['; l++, t++) {
|
|
for (t++; *t && *t == ' '; t++);
|
|
tt = t;
|
|
if (c->type == CCT_POS ||
|
|
c->type == CCT_NUMWORDS) {
|
|
/* p[...] or m[...]: one or two numbers expected */
|
|
for (; *t && *t != '\201' && *t != '\200'; t++);
|
|
if (!(sav = *t)) {
|
|
zwarnnam(name, "error in condition", NULL, 0);
|
|
freecompcond(m);
|
|
return 1;
|
|
}
|
|
*t = '\0';
|
|
c->u.r.a[l] = atoi(tt);
|
|
/* Second argument is optional: see if it's there */
|
|
if (sav == '\200')
|
|
/* no: copy first argument */
|
|
c->u.r.b[l] = c->u.r.a[l];
|
|
else {
|
|
tt = ++t;
|
|
for (; *t && *t != '\200'; t++);
|
|
if (!*t) {
|
|
zwarnnam(name, "error in condition", NULL, 0);
|
|
freecompcond(m);
|
|
return 1;
|
|
}
|
|
*t = '\0';
|
|
c->u.r.b[l] = atoi(tt);
|
|
}
|
|
} else if (c->type == CCT_CURSUF ||
|
|
c->type == CCT_CURPRE) {
|
|
/* -s[..] or -S[..]: single string expected */
|
|
for (; *t && *t != '\200'; t++)
|
|
if (*t == '\201')
|
|
*t = ',';
|
|
if (!*t) {
|
|
zwarnnam(name, "error in condition", NULL, 0);
|
|
freecompcond(m);
|
|
return 1;
|
|
}
|
|
*t = '\0';
|
|
c->u.s.s[l] = ztrdup(tt);
|
|
} else if (c->type == CCT_RANGESTR ||
|
|
c->type == CCT_RANGEPAT) {
|
|
/* -r[..,..] or -R[..,..]: two strings expected */
|
|
for (; *t && *t != '\201'; t++);
|
|
if (!*t) {
|
|
zwarnnam(name, "error in condition", NULL, 0);
|
|
freecompcond(m);
|
|
return 1;
|
|
}
|
|
*t = '\0';
|
|
c->u.l.a[l] = ztrdup(tt);
|
|
tt = ++t;
|
|
/* any more commas are text, not active */
|
|
for (; *t && *t != '\200'; t++)
|
|
if (*t == '\201')
|
|
*t = ',';
|
|
if (!*t) {
|
|
zwarnnam(name, "error in condition", NULL, 0);
|
|
freecompcond(m);
|
|
return 1;
|
|
}
|
|
*t = '\0';
|
|
c->u.l.b[l] = ztrdup(tt);
|
|
} else {
|
|
/* remaining patterns are number followed by string */
|
|
for (; *t && *t != '\200' && *t != '\201'; t++);
|
|
if (!*t || *t == '\200') {
|
|
zwarnnam(name, "error in condition", NULL, 0);
|
|
freecompcond(m);
|
|
return 1;
|
|
}
|
|
*t = '\0';
|
|
c->u.s.p[l] = atoi(tt);
|
|
tt = ++t;
|
|
for (; *t && *t != '\200'; t++)
|
|
if (*t == '\201')
|
|
*t = ',';
|
|
if (!*t) {
|
|
zwarnnam(name, "error in condition", NULL, 0);
|
|
freecompcond(m);
|
|
return 1;
|
|
}
|
|
*t = '\0';
|
|
c->u.s.s[l] = ztrdup(tt);
|
|
}
|
|
}
|
|
while (*t == ' ')
|
|
t++;
|
|
if (*t == ',') {
|
|
/* Another condition to `or' */
|
|
o->or = c = (Compcond) zcalloc(sizeof(*c));
|
|
o = c;
|
|
t++;
|
|
} else if (*t) {
|
|
/* Another condition to `and' */
|
|
c->and = (Compcond) zcalloc(sizeof(*c));
|
|
c = c->and;
|
|
}
|
|
}
|
|
/* Assign condition to current compctl */
|
|
*next = (Compctl) zcalloc(sizeof(*cc));
|
|
(*next)->cond = m;
|
|
argv++;
|
|
/* End of the condition; get the flags that go with it. */
|
|
if (get_compctl(name, &argv, *next, 0, isdef))
|
|
return 1;
|
|
if ((!argv || !*argv) && (cclist & COMP_SPECIAL))
|
|
/* default, first, or command completion finished */
|
|
ready = 1;
|
|
else {
|
|
/* see if we are looking for more conditions or are
|
|
* ready to return (ready = 1)
|
|
*/
|
|
if (!argv || !*argv || **argv != '-' ||
|
|
((!argv[0][1] || argv[0][1] == '+') && !argv[1])) {
|
|
zwarnnam(name, "missing command names", NULL, 0);
|
|
return 1;
|
|
}
|
|
if (!strcmp(*argv, "--"))
|
|
ready = 1;
|
|
else if (!strcmp(*argv, "-+") && argv[1] &&
|
|
!strcmp(argv[1], "--")) {
|
|
ready = 1;
|
|
argv++;
|
|
}
|
|
argv++;
|
|
/* prepare to put the next lot of conditions on the end */
|
|
next = &((*next)->next);
|
|
}
|
|
}
|
|
/* save position at end of parsing */
|
|
*av = argv - 1;
|
|
return 0;
|
|
}
|
|
|
|
/**/
|
|
static int
|
|
cc_assign(char *name, Compctl *ccptr, Compctl cct, int reass)
|
|
{
|
|
/* Copy over the details from the values in cct to those in *ccptr */
|
|
Compctl cc;
|
|
|
|
if (cct->subcmd && (cct->keyvar || cct->glob || cct->str ||
|
|
cct->func || cct->explain || cct->ylist ||
|
|
cct->prefix)) {
|
|
zwarnnam(name, "illegal combination of options", NULL, 0);
|
|
return 1;
|
|
}
|
|
|
|
/* Handle assignment of new default or command completion */
|
|
if (reass && !(cclist & COMP_LIST)) {
|
|
/* if not listing */
|
|
if (cclist == (COMP_COMMAND|COMP_DEFAULT)
|
|
|| cclist == (COMP_COMMAND|COMP_FIRST)
|
|
|| cclist == (COMP_DEFAULT|COMP_FIRST)
|
|
|| cclist == COMP_SPECIAL) {
|
|
zwarnnam(name, "can't set -D, -T, and -C simultaneously", NULL, 0);
|
|
/* ... because the following code wouldn't work. */
|
|
return 1;
|
|
}
|
|
if (cclist & COMP_COMMAND) {
|
|
/* command */
|
|
*ccptr = &cc_compos;
|
|
cc_reassign(*ccptr);
|
|
} else if (cclist & COMP_DEFAULT) {
|
|
/* default */
|
|
*ccptr = &cc_default;
|
|
cc_reassign(*ccptr);
|
|
} else if (cclist & COMP_FIRST) {
|
|
/* first */
|
|
*ccptr = &cc_first;
|
|
cc_reassign(*ccptr);
|
|
}
|
|
}
|
|
|
|
/* Free the old compctl */
|
|
cc = *ccptr;
|
|
zsfree(cc->keyvar);
|
|
zsfree(cc->glob);
|
|
zsfree(cc->str);
|
|
zsfree(cc->func);
|
|
zsfree(cc->explain);
|
|
zsfree(cc->ylist);
|
|
zsfree(cc->prefix);
|
|
zsfree(cc->suffix);
|
|
zsfree(cc->subcmd);
|
|
zsfree(cc->withd);
|
|
zsfree(cc->hpat);
|
|
|
|
/* and copy over the new stuff, (permanently) allocating
|
|
* space for strings.
|
|
*/
|
|
cc->mask = cct->mask;
|
|
cc->keyvar = ztrdup(cct->keyvar);
|
|
cc->glob = ztrdup(cct->glob);
|
|
cc->str = ztrdup(cct->str);
|
|
cc->func = ztrdup(cct->func);
|
|
cc->explain = ztrdup(cct->explain);
|
|
cc->ylist = ztrdup(cct->ylist);
|
|
cc->prefix = ztrdup(cct->prefix);
|
|
cc->suffix = ztrdup(cct->suffix);
|
|
cc->subcmd = ztrdup(cct->subcmd);
|
|
cc->withd = ztrdup(cct->withd);
|
|
cc->hpat = ztrdup(cct->hpat);
|
|
cc->hnum = cct->hnum;
|
|
|
|
/* careful with extended completion: it's already allocated */
|
|
cc->ext = cct->ext;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**/
|
|
static void
|
|
cc_reassign(Compctl cc)
|
|
{
|
|
/* Free up a new default or command completion:
|
|
* this is a hack to free up the parts which should be deleted,
|
|
* without removing the basic variable which is statically allocated
|
|
*/
|
|
Compctl c2;
|
|
|
|
c2 = (Compctl) zcalloc(sizeof *cc);
|
|
c2->xor = cc->xor;
|
|
c2->ext = cc->ext;
|
|
c2->refc = 1;
|
|
|
|
freecompctl(c2);
|
|
|
|
cc->ext = cc->xor = NULL;
|
|
}
|
|
|
|
/**/
|
|
static void
|
|
compctl_process_cc(char **s, Compctl cc)
|
|
{
|
|
Compctlp ccp;
|
|
|
|
if (cclist & COMP_REMOVE) {
|
|
/* Delete entries for the commands listed */
|
|
for (; *s; s++) {
|
|
if ((ccp = (Compctlp) compctltab->removenode(compctltab, *s)))
|
|
compctltab->freenode((HashNode) ccp);
|
|
}
|
|
} else {
|
|
/* Add the compctl just read to the hash table */
|
|
|
|
cc->refc = 0;
|
|
for (; *s; s++) {
|
|
cc->refc++;
|
|
ccp = (Compctlp) zalloc(sizeof *ccp);
|
|
ccp->cc = cc;
|
|
compctltab->addnode(compctltab, ztrdup(*s), ccp);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Print a `compctl' */
|
|
|
|
/**/
|
|
static void
|
|
printcompctl(char *s, Compctl cc, int printflags)
|
|
{
|
|
Compctl cc2;
|
|
char *css = "fcqovbAIFpEjrzBRGudeNOZUnQmw/";
|
|
char *mss = " pcCwWsSnNmrR";
|
|
unsigned long t = 0x7fffffff;
|
|
unsigned long flags = cc->mask;
|
|
unsigned long oldshowmask;
|
|
|
|
if ((flags & CC_EXCMDS) && !(flags & CC_DISCMDS))
|
|
flags &= ~CC_EXCMDS;
|
|
|
|
/* If showmask is non-zero, then print only those *
|
|
* commands with that flag set. */
|
|
if (showmask && !(flags & showmask))
|
|
return;
|
|
|
|
/* Temporarily clear showmask in case we make *
|
|
* recursive calls to printcompctl. */
|
|
oldshowmask = showmask;
|
|
showmask = 0;
|
|
|
|
/* print either command name or start of compctl command itself */
|
|
if (s) {
|
|
if (cclist & COMP_LIST) {
|
|
printf("compctl");
|
|
if (cc == &cc_compos)
|
|
printf(" -C");
|
|
if (cc == &cc_default)
|
|
printf(" -D");
|
|
if (cc == &cc_first)
|
|
printf(" -T");
|
|
} else
|
|
quotedzputs(s, stdout);
|
|
}
|
|
|
|
/* loop through flags w/o args that are set, printing them if so */
|
|
if (flags & t) {
|
|
printf(" -");
|
|
if ((flags & (CC_ALREG | CC_ALGLOB)) == (CC_ALREG | CC_ALGLOB))
|
|
putchar('a'), flags &= ~(CC_ALREG | CC_ALGLOB);
|
|
while (*css) {
|
|
if (flags & t & 1)
|
|
putchar(*css);
|
|
css++;
|
|
flags >>= 1;
|
|
t >>= 1;
|
|
}
|
|
}
|
|
|
|
/* now flags with arguments */
|
|
flags = cc->mask;
|
|
printif(cc->keyvar, 'k');
|
|
printif(cc->func, 'K');
|
|
printif(cc->explain, (cc->mask & CC_EXPANDEXPL) ? 'Y' : 'X');
|
|
printif(cc->ylist, 'y');
|
|
printif(cc->prefix, 'P');
|
|
printif(cc->suffix, 'S');
|
|
printif(cc->glob, 'g');
|
|
printif(cc->str, 's');
|
|
printif(cc->subcmd, 'l');
|
|
printif(cc->withd, 'W');
|
|
if (cc->hpat) {
|
|
printf(" -H %d ", cc->hnum);
|
|
quotedzputs(cc->hpat, stdout);
|
|
}
|
|
|
|
/* now the -x ... -- extended completion part */
|
|
if (cc->ext) {
|
|
Compcond c, o;
|
|
int i;
|
|
|
|
cc2 = cc->ext;
|
|
printf(" -x");
|
|
|
|
while (cc2) {
|
|
/* loop over conditions */
|
|
c = cc2->cond;
|
|
|
|
printf(" '");
|
|
for (c = cc2->cond; c;) {
|
|
/* loop over or's */
|
|
o = c->or;
|
|
while (c) {
|
|
/* loop over and's */
|
|
putchar(mss[c->type]);
|
|
|
|
for (i = 0; i < c->n; i++) {
|
|
/* for all [...]'s of a given condition */
|
|
putchar('[');
|
|
switch (c->type) {
|
|
case CCT_POS:
|
|
case CCT_NUMWORDS:
|
|
printf("%d,%d", c->u.r.a[i], c->u.r.b[i]);
|
|
break;
|
|
case CCT_CURSUF:
|
|
case CCT_CURPRE:
|
|
printqt(c->u.s.s[i]);
|
|
break;
|
|
case CCT_RANGESTR:
|
|
case CCT_RANGEPAT:
|
|
printqt(c->u.l.a[i]);
|
|
putchar(',');
|
|
printqt(c->u.l.b[i]);
|
|
break;
|
|
default:
|
|
printf("%d,", c->u.s.p[i]);
|
|
printqt(c->u.s.s[i]);
|
|
}
|
|
putchar(']');
|
|
}
|
|
if ((c = c->and))
|
|
putchar(' ');
|
|
}
|
|
if ((c = o))
|
|
printf(" , ");
|
|
}
|
|
putchar('\'');
|
|
c = cc2->cond;
|
|
cc2->cond = NULL;
|
|
/* now print the flags for the current condition */
|
|
printcompctl(NULL, cc2, 0);
|
|
cc2->cond = c;
|
|
if ((cc2 = (Compctl) (cc2->next)))
|
|
printf(" -");
|
|
}
|
|
if (cclist & COMP_LIST)
|
|
printf(" --");
|
|
}
|
|
if (cc && cc->xor) {
|
|
/* print xor'd (+) completions */
|
|
printf(" +");
|
|
if (cc->xor != &cc_default)
|
|
printcompctl(NULL, cc->xor, 0);
|
|
}
|
|
if (s) {
|
|
if ((cclist & COMP_LIST) && (cc != &cc_compos)
|
|
&& (cc != &cc_default) && (cc != &cc_first)) {
|
|
if(s[0] == '-' || s[0] == '+')
|
|
printf(" -");
|
|
putchar(' ');
|
|
quotedzputs(s, stdout);
|
|
}
|
|
putchar('\n');
|
|
}
|
|
|
|
showmask = oldshowmask;
|
|
}
|
|
|
|
/**/
|
|
static void
|
|
printcompctlp(HashNode hn, int printflags)
|
|
{
|
|
Compctlp ccp = (Compctlp) hn;
|
|
|
|
/* Function needed for use by scanhashtable() */
|
|
printcompctl(ccp->nam, ccp->cc, printflags);
|
|
}
|
|
|
|
/* Main entry point for the `compctl' builtin */
|
|
|
|
/**/
|
|
static int
|
|
bin_compctl(char *name, char **argv, char *ops, int func)
|
|
{
|
|
Compctl cc = NULL;
|
|
int ret = 0;
|
|
|
|
/* clear static flags */
|
|
cclist = 0;
|
|
showmask = 0;
|
|
|
|
/* Parse all the arguments */
|
|
if (*argv) {
|
|
cc = (Compctl) zcalloc(sizeof(*cc));
|
|
if (get_compctl(name, &argv, cc, 1, 0)) {
|
|
freecompctl(cc);
|
|
return 1;
|
|
}
|
|
|
|
/* remember flags for printing */
|
|
showmask = cc->mask;
|
|
if ((showmask & CC_EXCMDS) && !(showmask & CC_DISCMDS))
|
|
showmask &= ~CC_EXCMDS;
|
|
|
|
/* if no command arguments or just listing, we don't want cc */
|
|
if (!*argv || (cclist & COMP_LIST))
|
|
freecompctl(cc);
|
|
}
|
|
|
|
/* If no commands and no -C, -T, or -D, print all the compctl's *
|
|
* If some flags (other than -C, -T, or -D) were given, then *
|
|
* only print compctl containing those flags. */
|
|
if (!*argv && !(cclist & COMP_SPECIAL)) {
|
|
scanhashtable(compctltab, 1, 0, 0, compctltab->printnode, 0);
|
|
printcompctl((cclist & COMP_LIST) ? "" : "COMMAND", &cc_compos, 0);
|
|
printcompctl((cclist & COMP_LIST) ? "" : "DEFAULT", &cc_default, 0);
|
|
printcompctl((cclist & COMP_LIST) ? "" : "FIRST", &cc_first, 0);
|
|
return ret;
|
|
}
|
|
|
|
/* If we're listing and we've made it to here, then there are arguments *
|
|
* or a COMP_SPECIAL flag (-D, -C, -T), so print only those. */
|
|
if (cclist & COMP_LIST) {
|
|
HashNode hn;
|
|
char **ptr;
|
|
|
|
showmask = 0;
|
|
for (ptr = argv; *ptr; ptr++) {
|
|
if ((hn = compctltab->getnode(compctltab, *ptr))) {
|
|
compctltab->printnode(hn, 0);
|
|
} else {
|
|
zwarnnam(name, "no compctl defined for %s", *ptr, 0);
|
|
ret = 1;
|
|
}
|
|
}
|
|
if (cclist & COMP_COMMAND)
|
|
printcompctl("", &cc_compos, 0);
|
|
if (cclist & COMP_DEFAULT)
|
|
printcompctl("", &cc_default, 0);
|
|
if (cclist & COMP_FIRST)
|
|
printcompctl("", &cc_first, 0);
|
|
return ret;
|
|
}
|
|
|
|
/* Assign the compctl to the commands given */
|
|
if (*argv) {
|
|
if(cclist & COMP_SPECIAL)
|
|
/* Ideally we'd handle this properly, setting both the *
|
|
* special and normal completions. For the moment, *
|
|
* this is better than silently failing. */
|
|
zwarnnam(name, "extraneous commands ignored", NULL, 0);
|
|
else
|
|
compctl_process_cc(argv, cc);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static struct builtin bintab[] = {
|
|
BUILTIN("compctl", 0, bin_compctl, 0, -1, 0, NULL, NULL),
|
|
};
|
|
|
|
/**/
|
|
int
|
|
boot_compctl(Module m)
|
|
{
|
|
if(!addbuiltins(m->nam, bintab, sizeof(bintab)/sizeof(*bintab)))
|
|
return 1;
|
|
compctltab->printnode = printcompctlp;
|
|
return 0;
|
|
}
|
|
|
|
#ifdef MODULE
|
|
|
|
/**/
|
|
int
|
|
cleanup_compctl(Module m)
|
|
{
|
|
compctltab->printnode = NULL;
|
|
deletebuiltins(m->nam, bintab, sizeof(bintab)/sizeof(*bintab));
|
|
return 0;
|
|
}
|
|
#endif
|