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zsh/Src/Zle/compctl.c
Tanaka Akira e74702b467 Initial revision
1999-04-15 18:05:38 +00:00

1086 lines
26 KiB
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/*
* compctl.c - the compctl builtin
*
* This file is part of zsh, the Z shell.
*
* Copyright (c) 1992-1997 Paul Falstad
* All rights reserved.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and to distribute modified versions of this software for any
* purpose, provided that the above copyright notice and the following
* two paragraphs appear in all copies of this software.
*
* In no event shall Paul Falstad or the Zsh Development Group be liable
* to any party for direct, indirect, special, incidental, or consequential
* damages arising out of the use of this software and its documentation,
* even if Paul Falstad and the Zsh Development Group have been advised of
* the possibility of such damage.
*
* Paul Falstad and the Zsh Development Group specifically disclaim any
* warranties, including, but not limited to, the implied warranties of
* merchantability and fitness for a particular purpose. The software
* provided hereunder is on an "as is" basis, and Paul Falstad and the
* Zsh Development Group have no obligation to provide maintenance,
* support, updates, enhancements, or modifications.
*
*/
#include "compctl.mdh"
#include "compctl.pro"
#define COMP_LIST (1<<0) /* -L */
#define COMP_COMMAND (1<<1) /* -C */
#define COMP_DEFAULT (1<<2) /* -D */
#define COMP_FIRST (1<<3) /* -T */
#define COMP_REMOVE (1<<4)
#define COMP_SPECIAL (COMP_COMMAND|COMP_DEFAULT|COMP_FIRST)
/* Flag for listing, command, default, or first completion */
static int cclist;
/* Mask for determining what to print */
static unsigned long showmask = 0;
/* Parse the basic flags for `compctl' */
/**/
static int
get_compctl(char *name, char ***av, Compctl cc, int first, int isdef)
{
/* Parse the basic flags for completion:
* first is a flag that we are not in extended completion,
* while hx indicates or (+) completion (need to know for
* default and command completion as the initial compctl is special).
* cct is a temporary just to hold flags; it never needs freeing.
*/
struct compctl cct;
char **argv = *av;
int ready = 0, hx = 0;
/* Handle `compctl + foo ...' specially: turn it into
* a default compctl by removing it from the hash table.
*/
if (first && argv[0][0] == '+' && !argv[0][1] &&
!(argv[1] && argv[1][0] == '-' && argv[1][1])) {
argv++;
if(argv[0] && argv[0][0] == '-')
argv++;
*av = argv;
freecompctl(cc);
cclist = COMP_REMOVE;
return 0;
}
memset((void *)&cct, 0, sizeof(cct));
/* Loop through the flags until we have no more: *
* those with arguments are not properly allocated yet, *
* we just hang on to the argument that was passed. */
for (; !ready && argv[0] && argv[0][0] == '-' && (argv[0][1] || !first);) {
if (!argv[0][1])
*argv = "-+";
while (!ready && *++(*argv)) {
if(**argv == Meta)
*++*argv ^= 32;
switch (**argv) {
case 'f':
cct.mask |= CC_FILES;
break;
case 'c':
cct.mask |= CC_COMMPATH;
break;
case 'm':
cct.mask |= CC_EXTCMDS;
break;
case 'w':
cct.mask |= CC_RESWDS;
break;
case 'o':
cct.mask |= CC_OPTIONS;
break;
case 'v':
cct.mask |= CC_VARS;
break;
case 'b':
cct.mask |= CC_BINDINGS;
break;
case 'A':
cct.mask |= CC_ARRAYS;
break;
case 'I':
cct.mask |= CC_INTVARS;
break;
case 'F':
cct.mask |= CC_SHFUNCS;
break;
case 'p':
cct.mask |= CC_PARAMS;
break;
case 'E':
cct.mask |= CC_ENVVARS;
break;
case 'j':
cct.mask |= CC_JOBS;
break;
case 'r':
cct.mask |= CC_RUNNING;
break;
case 'z':
cct.mask |= CC_STOPPED;
break;
case 'B':
cct.mask |= CC_BUILTINS;
break;
case 'a':
cct.mask |= CC_ALREG | CC_ALGLOB;
break;
case 'R':
cct.mask |= CC_ALREG;
break;
case 'G':
cct.mask |= CC_ALGLOB;
break;
case 'u':
cct.mask |= CC_USERS;
break;
case 'd':
cct.mask |= CC_DISCMDS;
break;
case 'e':
cct.mask |= CC_EXCMDS;
break;
case 'N':
cct.mask |= CC_SCALARS;
break;
case 'O':
cct.mask |= CC_READONLYS;
break;
case 'Z':
cct.mask |= CC_SPECIALS;
break;
case 'q':
cct.mask |= CC_REMOVE;
break;
case 'U':
cct.mask |= CC_DELETE;
break;
case 'n':
cct.mask |= CC_NAMED;
break;
case 'Q':
cct.mask |= CC_QUOTEFLAG;
break;
case '/':
cct.mask |= CC_DIRS;
break;
case 'k':
if ((*argv)[1]) {
cct.keyvar = (*argv) + 1;
*argv = "" - 1;
} else if (!argv[1]) {
zwarnnam(name, "variable name expected after -%c", NULL,
**argv);
return 1;
} else {
cct.keyvar = *++argv;
*argv = "" - 1;
}
break;
case 'K':
if ((*argv)[1]) {
cct.func = (*argv) + 1;
*argv = "" - 1;
} else if (!argv[1]) {
zwarnnam(name, "function name expected after -%c", NULL,
**argv);
return 1;
} else {
cct.func = *++argv;
*argv = "" - 1;
}
break;
case 'Y':
cct.mask |= CC_EXPANDEXPL;
goto expl;
case 'X':
cct.mask &= ~CC_EXPANDEXPL;
expl:
if ((*argv)[1]) {
cct.explain = (*argv) + 1;
*argv = "" - 1;
} else if (!argv[1]) {
zwarnnam(name, "string expected after -%c", NULL, **argv);
return 1;
} else {
cct.explain = *++argv;
*argv = "" - 1;
}
break;
case 'y':
if ((*argv)[1]) {
cct.ylist = (*argv) + 1;
*argv = "" - 1;
} else if (!argv[1]) {
zwarnnam(name, "function/variable expected after -%c",
NULL, **argv);
} else {
cct.ylist = *++argv;
*argv = "" - 1;
}
break;
case 'P':
if ((*argv)[1]) {
cct.prefix = (*argv) + 1;
*argv = "" - 1;
} else if (!argv[1]) {
zwarnnam(name, "string expected after -%c", NULL, **argv);
return 1;
} else {
cct.prefix = *++argv;
*argv = "" - 1;
}
break;
case 'S':
if ((*argv)[1]) {
cct.suffix = (*argv) + 1;
*argv = "" - 1;
} else if (!argv[1]) {
zwarnnam(name, "string expected after -%c", NULL, **argv);
return 1;
} else {
cct.suffix = *++argv;
*argv = "" - 1;
}
break;
case 'g':
if ((*argv)[1]) {
cct.glob = (*argv) + 1;
*argv = "" - 1;
} else if (!argv[1]) {
zwarnnam(name, "glob pattern expected after -%c", NULL,
**argv);
return 1;
} else {
cct.glob = *++argv;
*argv = "" - 1;
}
break;
case 's':
if ((*argv)[1]) {
cct.str = (*argv) + 1;
*argv = "" - 1;
} else if (!argv[1]) {
zwarnnam(name, "command string expected after -%c", NULL,
**argv);
return 1;
} else {
cct.str = *++argv;
*argv = "" - 1;
}
break;
case 'l':
if ((*argv)[1]) {
cct.subcmd = (*argv) + 1;
*argv = "" - 1;
} else if (!argv[1]) {
zwarnnam(name, "command name expected after -%c", NULL,
**argv);
return 1;
} else {
cct.subcmd = *++argv;
*argv = "" - 1;
}
break;
case 'W':
if ((*argv)[1]) {
cct.withd = (*argv) + 1;
*argv = "" - 1;
} else if (!argv[1]) {
zwarnnam(name, "path expected after -%c", NULL,
**argv);
return 1;
} else {
cct.withd = *++argv;
*argv = "" - 1;
}
break;
case 'H':
if ((*argv)[1])
cct.hnum = atoi((*argv) + 1);
else if (argv[1])
cct.hnum = atoi(*++argv);
else {
zwarnnam(name, "number expected after -%c", NULL,
**argv);
return 1;
}
if (!argv[1]) {
zwarnnam(name, "missing pattern after -%c", NULL,
**argv);
return 1;
}
cct.hpat = *++argv;
if (cct.hnum < 1)
cct.hnum = 0;
if (*cct.hpat == '*' && !cct.hpat[1])
cct.hpat = "";
*argv = "" - 1;
break;
case 'C':
if (first && !hx) {
cclist |= COMP_COMMAND;
} else {
zwarnnam(name, "misplaced command completion (-C) flag",
NULL, 0);
return 1;
}
break;
case 'D':
if (first && !hx) {
isdef = 1;
cclist |= COMP_DEFAULT;
} else {
zwarnnam(name, "misplaced default completion (-D) flag",
NULL, 0);
return 1;
}
break;
case 'T':
if (first && !hx) {
cclist |= COMP_FIRST;
} else {
zwarnnam(name, "misplaced first completion (-T) flag",
NULL, 0);
return 1;
}
break;
case 'L':
if (!first || hx) {
zwarnnam(name, "illegal use of -L flag", NULL, 0);
return 1;
}
cclist |= COMP_LIST;
break;
case 'x':
if (!argv[1]) {
zwarnnam(name, "condition expected after -%c", NULL,
**argv);
return 1;
}
if (first) {
argv++;
if (get_xcompctl(name, &argv, &cct, isdef)) {
if (cct.ext)
freecompctl(cct.ext);
return 1;
}
ready = 2;
} else {
zwarnnam(name, "recursive extended completion not allowed",
NULL, 0);
return 1;
}
break;
default:
if (!first && (**argv == '-' || **argv == '+'))
(*argv)--, argv--, ready = 1;
else {
zwarnnam(name, "bad option: -%c", NULL, **argv);
return 1;
}
}
}
if (*++argv && (!ready || ready == 2) &&
**argv == '+' && !argv[0][1]) {
/* There's an alternative (+) completion: assign
* what we have so far before moving on to that.
*/
if (cc_assign(name, &cc, &cct, first && !hx))
return 1;
hx = 1;
ready = 0;
if (!*++argv || **argv != '-' ||
(**argv == '-' && (!argv[0][1] ||
(argv[0][1] == '-' && !argv[0][2])))) {
/* No argument to +, which means do default completion */
if (isdef)
zwarnnam(name,
"recursive xor'd default completions not allowed",
NULL, 0);
else
cc->xor = &cc_default;
} else {
/* more flags follow: prepare to loop again */
cc->xor = (Compctl) zcalloc(sizeof(*cc));
cc = cc->xor;
memset((void *)&cct, 0, sizeof(cct));
}
}
}
if (!ready && *argv && **argv == '-')
argv++;
if (! (cct.mask & (CC_EXCMDS | CC_DISCMDS)))
cct.mask |= CC_EXCMDS;
/* assign the last set of flags we parsed */
if (cc_assign(name, &cc, &cct, first && !hx))
return 1;
*av = argv;
return 0;
}
/* Handle the -x ... -- part of compctl. */
/**/
static int
get_xcompctl(char *name, char ***av, Compctl cc, int isdef)
{
char **argv = *av, *t, *tt, sav;
int n, l = 0, ready = 0;
Compcond m, c, o;
Compctl *next = &(cc->ext);
while (!ready) {
/* o keeps track of or's, m remembers the starting condition,
* c is the current condition being parsed
*/
o = m = c = (Compcond) zcalloc(sizeof(*c));
/* Loop over each condition: something like 's[...][...], p[...]' */
for (t = *argv; *t;) {
while (*t == ' ')
t++;
/* First get the condition code */
switch (*t) {
case 's':
c->type = CCT_CURSUF;
break;
case 'S':
c->type = CCT_CURPRE;
break;
case 'p':
c->type = CCT_POS;
break;
case 'c':
c->type = CCT_CURSTR;
break;
case 'C':
c->type = CCT_CURPAT;
break;
case 'w':
c->type = CCT_WORDSTR;
break;
case 'W':
c->type = CCT_WORDPAT;
break;
case 'n':
c->type = CCT_CURSUB;
break;
case 'N':
c->type = CCT_CURSUBC;
break;
case 'm':
c->type = CCT_NUMWORDS;
break;
case 'r':
c->type = CCT_RANGESTR;
break;
case 'R':
c->type = CCT_RANGEPAT;
break;
default:
t[1] = '\0';
zwarnnam(name, "unknown condition code: %s", t, 0);
zfree(m, sizeof(struct compcond));
return 1;
}
/* Now get the arguments in square brackets */
if (t[1] != '[') {
t[1] = '\0';
zwarnnam(name, "expected condition after condition code: %s", t, 0);
zfree(m, sizeof(struct compcond));
return 1;
}
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++) {
for (l = 1, tt++; *tt && l; tt++)
if (*tt == '\\' && tt[1])
tt++;
else if (*tt == '[')
l++;
else if (*tt == ']')
l--;
else if (l == 1 && *tt == ',')
*tt = '\201';
if (tt[-1] == ']')
tt[-1] = '\200';
}
if (l) {
t[1] = '\0';
zwarnnam(name, "error after condition code: %s", t, 0);
zfree(m, sizeof(struct compcond));
return 1;
}
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
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