Annotation of src/usr.bin/tmux/cmd-command-prompt.c, Revision 1.36
1.36 ! nicm 1: /* $OpenBSD: cmd-command-prompt.c,v 1.35 2016/10/11 07:23:34 nicm Exp $ */
1.1 nicm 2:
3: /*
1.33 nicm 4: * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.34 nicm 32: static enum cmd_retval cmd_command_prompt_exec(struct cmd *, struct cmd_q *);
1.8 nicm 33:
1.34 nicm 34: static int cmd_command_prompt_callback(void *, const char *);
35: static void cmd_command_prompt_free(void *);
1.1 nicm 36:
37: const struct cmd_entry cmd_command_prompt_entry = {
1.31 nicm 38: .name = "command-prompt",
39: .alias = NULL,
40:
1.36 ! nicm 41: .args = { "1I:Np:t:", 0, 1 },
! 42: .usage = "[-1N] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE " "
1.31 nicm 43: "[template]",
44:
1.32 nicm 45: .tflag = CMD_CLIENT,
46:
47: .flags = 0,
1.31 nicm 48: .exec = cmd_command_prompt_exec
1.8 nicm 49: };
50:
51: struct cmd_command_prompt_cdata {
1.1 nicm 52: struct client *c;
1.17 nicm 53: char *inputs;
54: char *next_input;
1.8 nicm 55: char *next_prompt;
56: char *prompts;
1.1 nicm 57: char *template;
1.8 nicm 58: int idx;
1.1 nicm 59: };
60:
1.34 nicm 61: static enum cmd_retval
1.26 nicm 62: cmd_command_prompt_exec(struct cmd *self, struct cmd_q *cmdq)
1.1 nicm 63: {
1.14 nicm 64: struct args *args = self->args;
1.17 nicm 65: const char *inputs, *prompts;
1.8 nicm 66: struct cmd_command_prompt_cdata *cdata;
1.30 nicm 67: struct client *c = cmdq->state.c;
1.19 nicm 68: char *prompt, *ptr, *input = NULL;
1.8 nicm 69: size_t n;
1.35 nicm 70: int flags;
1.1 nicm 71:
72: if (c->prompt_string != NULL)
1.21 nicm 73: return (CMD_RETURN_NORMAL);
1.1 nicm 74:
75: cdata = xmalloc(sizeof *cdata);
76: cdata->c = c;
1.8 nicm 77: cdata->idx = 1;
1.17 nicm 78: cdata->inputs = NULL;
79: cdata->next_input = NULL;
1.8 nicm 80: cdata->next_prompt = NULL;
81: cdata->prompts = NULL;
82: cdata->template = NULL;
83:
1.14 nicm 84: if (args->argc != 0)
85: cdata->template = xstrdup(args->argv[0]);
1.8 nicm 86: else
87: cdata->template = xstrdup("%1");
1.14 nicm 88:
1.17 nicm 89: if ((prompts = args_get(args, 'p')) != NULL)
1.14 nicm 90: cdata->prompts = xstrdup(prompts);
91: else if (args->argc != 0) {
92: n = strcspn(cdata->template, " ,");
93: xasprintf(&cdata->prompts, "(%.*s) ", (int) n, cdata->template);
1.8 nicm 94: } else
95: cdata->prompts = xstrdup(":");
96:
1.17 nicm 97: /* Get first prompt. */
1.8 nicm 98: cdata->next_prompt = cdata->prompts;
99: ptr = strsep(&cdata->next_prompt, ",");
1.14 nicm 100: if (prompts == NULL)
1.8 nicm 101: prompt = xstrdup(ptr);
1.19 nicm 102: else
103: xasprintf(&prompt, "%s ", ptr);
1.17 nicm 104:
105: /* Get initial prompt input. */
106: if ((inputs = args_get(args, 'I')) != NULL) {
107: cdata->inputs = xstrdup(inputs);
108: cdata->next_input = cdata->inputs;
1.19 nicm 109: input = strsep(&cdata->next_input, ",");
1.17 nicm 110: }
111:
1.35 nicm 112: flags = 0;
113: if (args_has(args, '1'))
114: flags |= PROMPT_SINGLE;
1.36 ! nicm 115: else if (args_has(args, 'N'))
! 116: flags |= PROMPT_NUMERIC;
1.17 nicm 117: status_prompt_set(c, prompt, input, cmd_command_prompt_callback,
1.35 nicm 118: cmd_command_prompt_free, cdata, flags);
1.20 nicm 119: free(prompt);
1.1 nicm 120:
1.21 nicm 121: return (CMD_RETURN_NORMAL);
1.1 nicm 122: }
123:
1.34 nicm 124: static int
1.1 nicm 125: cmd_command_prompt_callback(void *data, const char *s)
126: {
1.8 nicm 127: struct cmd_command_prompt_cdata *cdata = data;
1.1 nicm 128: struct client *c = cdata->c;
129: struct cmd_list *cmdlist;
1.19 nicm 130: char *cause, *new_template, *prompt, *ptr;
131: char *input = NULL;
1.1 nicm 132:
1.8 nicm 133: if (s == NULL)
1.1 nicm 134: return (0);
135:
1.17 nicm 136: new_template = cmd_template_replace(cdata->template, s, cdata->idx);
1.20 nicm 137: free(cdata->template);
1.17 nicm 138: cdata->template = new_template;
1.8 nicm 139:
1.17 nicm 140: /*
141: * Check if there are more prompts; if so, get its respective input
142: * and update the prompt data.
143: */
1.8 nicm 144: if ((ptr = strsep(&cdata->next_prompt, ",")) != NULL) {
1.19 nicm 145: xasprintf(&prompt, "%s ", ptr);
146: input = strsep(&cdata->next_input, ",");
1.17 nicm 147: status_prompt_update(c, prompt, input);
148:
1.20 nicm 149: free(prompt);
1.8 nicm 150: cdata->idx++;
151: return (1);
152: }
1.1 nicm 153:
1.26 nicm 154: if (cmd_string_parse(new_template, &cmdlist, NULL, 0, &cause) != 0) {
1.8 nicm 155: if (cause != NULL) {
156: *cause = toupper((u_char) *cause);
157: status_message_set(c, "%s", cause);
1.20 nicm 158: free(cause);
1.1 nicm 159: }
1.8 nicm 160: return (0);
1.1 nicm 161: }
162:
1.29 nicm 163: cmdq_run(c->cmdq, cmdlist, NULL);
1.1 nicm 164: cmd_list_free(cmdlist);
165:
1.4 nicm 166: if (c->prompt_callbackfn != (void *) &cmd_command_prompt_callback)
1.1 nicm 167: return (1);
168: return (0);
1.4 nicm 169: }
170:
1.34 nicm 171: static void
1.14 nicm 172: cmd_command_prompt_free(void *data)
1.4 nicm 173: {
1.8 nicm 174: struct cmd_command_prompt_cdata *cdata = data;
1.4 nicm 175:
1.20 nicm 176: free(cdata->inputs);
177: free(cdata->prompts);
178: free(cdata->template);
179: free(cdata);
1.1 nicm 180: }
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