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Big reorganisation of command-line syntax.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,192 @@ | ||
| /* $Id: arg.c,v 1.1 2008-06-05 21:25:00 nicm Exp $ */ | ||
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| /* | ||
| * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net> | ||
| * | ||
| * Permission to use, copy, modify, and distribute this software for any | ||
| * purpose with or without fee is hereby granted, provided that the above | ||
| * copyright notice and this permission notice appear in all copies. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
| * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER | ||
| * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING | ||
| * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
| */ | ||
|
|
||
| #include <sys/types.h> | ||
|
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||
| #include <fnmatch.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
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| #include "tmux.h" | ||
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| struct client *arg_lookup_client(const char *); | ||
| struct session *arg_lookup_session(const char *); | ||
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| struct client * | ||
| arg_lookup_client(const char *name) | ||
| { | ||
| struct client *c; | ||
| u_int i; | ||
|
|
||
| for (i = 0; i < ARRAY_LENGTH(&clients); i++) { | ||
| c = ARRAY_ITEM(&clients, i); | ||
| if (c != NULL && strcmp(name, c->tty.path) == 0) | ||
| return (c); | ||
| } | ||
|
|
||
| return (NULL); | ||
| } | ||
|
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||
| struct session * | ||
| arg_lookup_session(const char *name) | ||
| { | ||
| struct session *s, *newest = NULL; | ||
| struct timespec *ts; | ||
| u_int i; | ||
|
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| ts = NULL; | ||
| for (i = 0; i < ARRAY_LENGTH(&sessions); i++) { | ||
| s = ARRAY_ITEM(&sessions, i); | ||
| if (s == NULL || fnmatch(name, s->name, 0) != 0) | ||
| continue; | ||
|
|
||
| if (ts == NULL || timespeccmp(&s->ts, ts, >)) { | ||
| newest = s; | ||
| ts = &s->ts; | ||
| } | ||
| } | ||
|
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| return (newest); | ||
| } | ||
|
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| struct client * | ||
| arg_parse_client(const char *arg) | ||
| { | ||
| struct client *c; | ||
| char *arg2; | ||
| size_t n; | ||
|
|
||
| if (arg != NULL && (arg[0] != ':' || arg[1] != '\0')) { | ||
| arg2 = xstrdup(arg); | ||
|
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| /* Trim a trailing : if any from the argument. */ | ||
| n = strlen(arg2); | ||
| if (arg2[n - 1] == ':') | ||
| arg2[n - 1] = '\0'; | ||
|
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||
| /* Try and lookup the client name. */ | ||
| c = arg_lookup_client(arg2); | ||
| xfree(arg2); | ||
| return (c); | ||
| } | ||
|
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| return (NULL); | ||
| } | ||
|
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| struct session * | ||
| arg_parse_session(const char *arg) | ||
| { | ||
| struct session *s; | ||
| struct client *c; | ||
| char *arg2; | ||
| size_t n; | ||
|
|
||
| if (arg != NULL && (arg[0] != ':' || arg[1] != '\0')) { | ||
| arg2 = xstrdup(arg); | ||
|
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||
| /* Trim a trailing : if any from the argument. */ | ||
| n = strlen(arg2); | ||
| if (arg2[n - 1] == ':') | ||
| arg2[n - 1] = '\0'; | ||
|
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||
| /* See if the argument matches a session. */ | ||
| if ((s = arg_lookup_session(arg2)) != NULL) { | ||
| xfree(arg2); | ||
| return (s); | ||
| } | ||
|
|
||
| /* If not try a client. */ | ||
| if ((c = arg_lookup_client(arg2)) != NULL) { | ||
| xfree(arg2); | ||
| return (c->session); | ||
| } | ||
| } | ||
|
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| return (NULL); | ||
| } | ||
|
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| int | ||
| arg_parse_window(const char *arg, struct session **s, int *idx) | ||
| { | ||
| char *arg2, *ptr; | ||
| const char *errstr; | ||
|
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| *idx = -1; | ||
|
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| /* Handle no argument or a single :. */ | ||
| if (arg == NULL || (arg[0] == ':' && arg[1] == '\0')) { | ||
| *s = arg_parse_session(NULL); | ||
| return (0); | ||
| } | ||
|
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| /* Find the separator if any. */ | ||
| arg2 = xstrdup(arg); | ||
| ptr = strrchr(arg2, ':'); | ||
|
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| /* | ||
| * If it is first, this means no session name, so use current session | ||
| * and try to convert the rest as index. | ||
| */ | ||
| if (ptr == arg2) { | ||
| *idx = strtonum(ptr + 1, 0, INT_MAX, &errstr); | ||
| if (errstr != NULL) { | ||
| xfree(arg2); | ||
| return (1); | ||
| } | ||
|
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| xfree(arg2); | ||
| *s = arg_parse_session(NULL); | ||
| return (0); | ||
| } | ||
|
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| /* If missing, try as an index, else lookup immediately. */ | ||
| if (ptr == NULL) { | ||
| *idx = strtonum(arg2, 0, INT_MAX, &errstr); | ||
| if (errstr == NULL) { | ||
| /* This is good as an index; use current session. */ | ||
| xfree(arg2); | ||
| *s = arg_parse_session(NULL); | ||
| return (0); | ||
| } | ||
|
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| *idx = -1; | ||
| goto lookup; | ||
| } | ||
|
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| /* If last, strip it and look up as a session. */ | ||
| if (ptr[1] == '\0') { | ||
| *ptr = '\0'; | ||
| goto lookup; | ||
| } | ||
|
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| /* Present but not first and not last. Break and convert both. */ | ||
| *ptr = '\0'; | ||
| *idx = strtonum(ptr + 1, 0, INT_MAX, &errstr); | ||
| if (errstr != NULL) { | ||
| xfree(arg2); | ||
| return (1); | ||
| } | ||
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| lookup: | ||
| /* Look up as session. */ | ||
| *s = arg_parse_session(arg2); | ||
| xfree(arg2); | ||
| if (*s == NULL) | ||
| return (1); | ||
| return (0); | ||
| } |
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