Annotation of src/usr.bin/tmux/cmd-command-prompt.c, Revision 1.28
1.28 ! nicm 1: /* $OpenBSD: cmd-command-prompt.c,v 1.27 2013/10/10 12:00:19 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
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 <sys/types.h>
20:
21: #include <ctype.h>
1.20 nicm 22: #include <stdlib.h>
1.1 nicm 23: #include <string.h>
1.17 nicm 24: #include <time.h>
1.1 nicm 25:
26: #include "tmux.h"
27:
28: /*
29: * Prompt for command in client.
30: */
31:
1.26 nicm 32: enum cmd_retval cmd_command_prompt_exec(struct cmd *, struct cmd_q *);
1.8 nicm 33:
1.14 nicm 34: int cmd_command_prompt_callback(void *, const char *);
35: void cmd_command_prompt_free(void *);
1.1 nicm 36:
37: const struct cmd_entry cmd_command_prompt_entry = {
38: "command-prompt", NULL,
1.17 nicm 39: "I:p:t:", 0, 1,
40: "[-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE " [template]",
1.14 nicm 41: 0,
42: cmd_command_prompt_exec
1.8 nicm 43: };
44:
45: struct cmd_command_prompt_cdata {
1.1 nicm 46: struct client *c;
1.17 nicm 47: char *inputs;
48: char *next_input;
1.8 nicm 49: char *next_prompt;
50: char *prompts;
1.1 nicm 51: char *template;
1.8 nicm 52: int idx;
1.1 nicm 53: };
54:
1.21 nicm 55: enum cmd_retval
1.26 nicm 56: cmd_command_prompt_exec(struct cmd *self, struct cmd_q *cmdq)
1.1 nicm 57: {
1.14 nicm 58: struct args *args = self->args;
1.17 nicm 59: const char *inputs, *prompts;
1.8 nicm 60: struct cmd_command_prompt_cdata *cdata;
1.1 nicm 61: struct client *c;
1.19 nicm 62: char *prompt, *ptr, *input = NULL;
1.8 nicm 63: size_t n;
1.1 nicm 64:
1.26 nicm 65: if ((c = cmd_find_client(cmdq, args_get(args, 't'), 0)) == NULL)
1.21 nicm 66: return (CMD_RETURN_ERROR);
1.1 nicm 67:
68: if (c->prompt_string != NULL)
1.21 nicm 69: return (CMD_RETURN_NORMAL);
1.1 nicm 70:
71: cdata = xmalloc(sizeof *cdata);
72: cdata->c = c;
1.8 nicm 73: cdata->idx = 1;
1.17 nicm 74: cdata->inputs = NULL;
75: cdata->next_input = NULL;
1.8 nicm 76: cdata->next_prompt = NULL;
77: cdata->prompts = NULL;
78: cdata->template = NULL;
79:
1.14 nicm 80: if (args->argc != 0)
81: cdata->template = xstrdup(args->argv[0]);
1.8 nicm 82: else
83: cdata->template = xstrdup("%1");
1.14 nicm 84:
1.17 nicm 85: if ((prompts = args_get(args, 'p')) != NULL)
1.14 nicm 86: cdata->prompts = xstrdup(prompts);
87: else if (args->argc != 0) {
88: n = strcspn(cdata->template, " ,");
89: xasprintf(&cdata->prompts, "(%.*s) ", (int) n, cdata->template);
1.8 nicm 90: } else
91: cdata->prompts = xstrdup(":");
92:
1.17 nicm 93: /* Get first prompt. */
1.8 nicm 94: cdata->next_prompt = cdata->prompts;
95: ptr = strsep(&cdata->next_prompt, ",");
1.14 nicm 96: if (prompts == NULL)
1.8 nicm 97: prompt = xstrdup(ptr);
1.19 nicm 98: else
99: xasprintf(&prompt, "%s ", ptr);
1.17 nicm 100:
101: /* Get initial prompt input. */
102: if ((inputs = args_get(args, 'I')) != NULL) {
103: cdata->inputs = xstrdup(inputs);
104: cdata->next_input = cdata->inputs;
1.19 nicm 105: input = strsep(&cdata->next_input, ",");
1.17 nicm 106: }
107:
108: status_prompt_set(c, prompt, input, cmd_command_prompt_callback,
1.14 nicm 109: cmd_command_prompt_free, cdata, 0);
1.20 nicm 110: free(prompt);
1.1 nicm 111:
1.21 nicm 112: return (CMD_RETURN_NORMAL);
1.1 nicm 113: }
114:
115: int
116: cmd_command_prompt_callback(void *data, const char *s)
117: {
1.8 nicm 118: struct cmd_command_prompt_cdata *cdata = data;
1.1 nicm 119: struct client *c = cdata->c;
120: struct cmd_list *cmdlist;
1.19 nicm 121: char *cause, *new_template, *prompt, *ptr;
122: char *input = NULL;
1.1 nicm 123:
1.8 nicm 124: if (s == NULL)
1.1 nicm 125: return (0);
126:
1.17 nicm 127: new_template = cmd_template_replace(cdata->template, s, cdata->idx);
1.20 nicm 128: free(cdata->template);
1.17 nicm 129: cdata->template = new_template;
1.8 nicm 130:
1.17 nicm 131: /*
132: * Check if there are more prompts; if so, get its respective input
133: * and update the prompt data.
134: */
1.8 nicm 135: if ((ptr = strsep(&cdata->next_prompt, ",")) != NULL) {
1.19 nicm 136: xasprintf(&prompt, "%s ", ptr);
137: input = strsep(&cdata->next_input, ",");
1.17 nicm 138: status_prompt_update(c, prompt, input);
139:
1.20 nicm 140: free(prompt);
1.8 nicm 141: cdata->idx++;
142: return (1);
143: }
1.1 nicm 144:
1.26 nicm 145: if (cmd_string_parse(new_template, &cmdlist, NULL, 0, &cause) != 0) {
1.8 nicm 146: if (cause != NULL) {
147: *cause = toupper((u_char) *cause);
148: status_message_set(c, "%s", cause);
1.20 nicm 149: free(cause);
1.1 nicm 150: }
1.8 nicm 151: return (0);
1.1 nicm 152: }
153:
1.26 nicm 154: cmdq_run(c->cmdq, cmdlist);
1.1 nicm 155: cmd_list_free(cmdlist);
156:
1.4 nicm 157: if (c->prompt_callbackfn != (void *) &cmd_command_prompt_callback)
1.1 nicm 158: return (1);
159: return (0);
1.4 nicm 160: }
161:
162: void
1.14 nicm 163: cmd_command_prompt_free(void *data)
1.4 nicm 164: {
1.8 nicm 165: struct cmd_command_prompt_cdata *cdata = data;
1.4 nicm 166:
1.20 nicm 167: free(cdata->inputs);
168: free(cdata->prompts);
169: free(cdata->template);
170: free(cdata);
1.1 nicm 171: }
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