Annotation of src/usr.bin/tmux/cmd-confirm-before.c, Revision 1.9
1.9 ! nicm 1: /* $OpenBSD: cmd-confirm-before.c,v 1.8 2009/08/23 16:45:00 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <ctype.h>
20: #include <string.h>
21:
22: #include "tmux.h"
23:
24: /*
25: * Asks for confirmation before executing a command.
26: */
27:
28: int cmd_confirm_before_exec(struct cmd *, struct cmd_ctx *);
29: void cmd_confirm_before_init(struct cmd *, int);
30:
31: int cmd_confirm_before_callback(void *, const char *);
1.4 nicm 32: void cmd_confirm_before_free(void *);
1.1 nicm 33:
34: const struct cmd_entry cmd_confirm_before_entry = {
35: "confirm-before", "confirm",
36: CMD_TARGET_CLIENT_USAGE " command",
1.9 ! nicm 37: CMD_ARG1, "",
1.1 nicm 38: cmd_confirm_before_init,
39: cmd_target_parse,
40: cmd_confirm_before_exec,
41: cmd_target_free,
42: cmd_target_print
43: };
44:
1.4 nicm 45: struct cmd_confirm_before_data {
46: struct client *c;
47: char *cmd;
48: };
49:
1.1 nicm 50: void
51: cmd_confirm_before_init(struct cmd *self, int key)
52: {
53: struct cmd_target_data *data;
54:
55: cmd_target_init(self, key);
56: data = self->data;
57:
58: switch (key) {
59: case '&':
60: data->arg = xstrdup("kill-window");
61: break;
62: case 'x':
63: data->arg = xstrdup("kill-pane");
64: break;
65: }
66: }
67:
68: int
1.5 nicm 69: cmd_confirm_before_exec(struct cmd *self, struct cmd_ctx *ctx)
1.1 nicm 70: {
71: struct cmd_target_data *data = self->data;
72: struct cmd_confirm_before_data *cdata;
73: struct client *c;
74: char *buf, *cmd, *ptr;
75:
76: if (ctx->curclient == NULL) {
77: ctx->error(ctx, "must be run interactively");
78: return (-1);
79: }
80:
81: if ((c = cmd_find_client(ctx, data->target)) == NULL)
82: return (-1);
83:
84: ptr = xstrdup(data->arg);
85: if ((cmd = strtok(ptr, " \t")) == NULL)
86: cmd = ptr;
87: xasprintf(&buf, "Confirm '%s'? (y/n) ", cmd);
88: xfree(ptr);
89:
90: cdata = xmalloc(sizeof *cdata);
91: cdata->cmd = xstrdup(data->arg);
92: cdata->c = c;
1.4 nicm 93: status_prompt_set(cdata->c, buf,
94: cmd_confirm_before_callback, cmd_confirm_before_free, cdata,
95: PROMPT_SINGLE);
1.1 nicm 96:
97: xfree(buf);
98: return (1);
99: }
100:
101: int
102: cmd_confirm_before_callback(void *data, const char *s)
103: {
104: struct cmd_confirm_before_data *cdata = data;
105: struct client *c = cdata->c;
106: struct cmd_list *cmdlist;
107: struct cmd_ctx ctx;
108: char *cause;
109:
1.7 nicm 110: if (s == NULL || *s == '\0')
111: return (0);
112: if (tolower((u_char) s[0]) != 'y' || s[1] != '\0')
1.4 nicm 113: return (0);
1.1 nicm 114:
115: if (cmd_string_parse(cdata->cmd, &cmdlist, &cause) != 0) {
116: if (cause != NULL) {
117: *cause = toupper((u_char) *cause);
1.3 nicm 118: status_message_set(c, "%s", cause);
1.1 nicm 119: xfree(cause);
120: }
1.4 nicm 121: return (0);
1.1 nicm 122: }
123:
124: ctx.msgdata = NULL;
125: ctx.curclient = c;
126:
127: ctx.error = key_bindings_error;
128: ctx.print = key_bindings_print;
129: ctx.info = key_bindings_info;
130:
131: ctx.cmdclient = NULL;
132:
133: cmd_list_exec(cmdlist, &ctx);
134: cmd_list_free(cmdlist);
135:
1.4 nicm 136: return (0);
137: }
138:
139: void
140: cmd_confirm_before_free(void *data)
141: {
142: struct cmd_confirm_before_data *cdata = data;
143:
1.1 nicm 144: if (cdata->cmd != NULL)
145: xfree(cdata->cmd);
146: xfree(cdata);
147: }