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7216c39 @kfebert Imported Upstream version 1.5
kfebert authored
1 /* $Id: cmd-confirm-before.c 2553 2011-07-09 09:42:33Z tcunha $ */
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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
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28 void cmd_confirm_before_key_binding(struct cmd *, int);
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29 int cmd_confirm_before_exec(struct cmd *, struct cmd_ctx *);
30
31 int cmd_confirm_before_callback(void *, const char *);
32 void cmd_confirm_before_free(void *);
33
34 const struct cmd_entry cmd_confirm_before_entry = {
35 "confirm-before", "confirm",
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36 "p:t:", 1, 1,
37 "[-p prompt] " CMD_TARGET_CLIENT_USAGE " command",
38 0,
39 cmd_confirm_before_key_binding,
40 NULL,
41 cmd_confirm_before_exec
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42 };
43
44 struct cmd_confirm_before_data {
45 struct client *c;
46 char *cmd;
47 };
48
49 void
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50 cmd_confirm_before_key_binding(struct cmd *self, int key)
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51 {
52 switch (key) {
53 case '&':
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54 self->args = args_create(1, "kill-window");
55 args_set(self->args, 'p', "kill-window #W? (y/n)");
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56 break;
57 case 'x':
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58 self->args = args_create(1, "kill-pane");
59 args_set(self->args, 'p', "kill-pane #P? (y/n)");
60 break;
61 default:
62 self->args = args_create(0);
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63 break;
64 }
65 }
66
67 int
68 cmd_confirm_before_exec(struct cmd *self, struct cmd_ctx *ctx)
69 {
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70 struct args *args = self->args;
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71 struct cmd_confirm_before_data *cdata;
72 struct client *c;
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73 char *cmd, *copy, *new_prompt, *ptr;
74 const char *prompt;
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75
76 if (ctx->curclient == NULL) {
77 ctx->error(ctx, "must be run interactively");
78 return (-1);
79 }
80
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81 if ((c = cmd_find_client(ctx, args_get(args, 't'))) == NULL)
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82 return (-1);
83
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84 if ((prompt = args_get(args, 'p')) != NULL)
85 xasprintf(&new_prompt, "%s ", prompt);
86 else {
87 ptr = copy = xstrdup(args->argv[0]);
88 cmd = strsep(&ptr, " \t");
89 xasprintf(&new_prompt, "Confirm '%s'? (y/n) ", cmd);
90 xfree(copy);
91 }
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92
93 cdata = xmalloc(sizeof *cdata);
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94 cdata->cmd = xstrdup(args->argv[0]);
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95 cdata->c = c;
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96 status_prompt_set(cdata->c, new_prompt, NULL,
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97 cmd_confirm_before_callback, cmd_confirm_before_free, cdata,
98 PROMPT_SINGLE);
99
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100 xfree(new_prompt);
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101 return (1);
102 }
103
104 int
105 cmd_confirm_before_callback(void *data, const char *s)
106 {
107 struct cmd_confirm_before_data *cdata = data;
108 struct client *c = cdata->c;
109 struct cmd_list *cmdlist;
110 struct cmd_ctx ctx;
111 char *cause;
112
113 if (s == NULL || *s == '\0')
114 return (0);
115 if (tolower((u_char) s[0]) != 'y' || s[1] != '\0')
116 return (0);
117
118 if (cmd_string_parse(cdata->cmd, &cmdlist, &cause) != 0) {
119 if (cause != NULL) {
120 *cause = toupper((u_char) *cause);
121 status_message_set(c, "%s", cause);
122 xfree(cause);
123 }
124 return (0);
125 }
126
127 ctx.msgdata = NULL;
128 ctx.curclient = c;
129
130 ctx.error = key_bindings_error;
131 ctx.print = key_bindings_print;
132 ctx.info = key_bindings_info;
133
134 ctx.cmdclient = NULL;
135
136 cmd_list_exec(cmdlist, &ctx);
137 cmd_list_free(cmdlist);
138
139 return (0);
140 }
141
142 void
143 cmd_confirm_before_free(void *data)
144 {
145 struct cmd_confirm_before_data *cdata = data;
146
147 if (cdata->cmd != NULL)
148 xfree(cdata->cmd);
149 xfree(cdata);
150 }
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