Annotation of src/usr.bin/tmux/cmd-command-prompt.c, Revision 1.55
1.55 ! nicm 1: /* $OpenBSD: cmd-command-prompt.c,v 1.54 2021/06/10 07:50:03 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:
1.38 nicm 32: static enum cmd_retval cmd_command_prompt_exec(struct cmd *,
33: struct cmdq_item *);
1.8 nicm 34:
1.44 nicm 35: static int cmd_command_prompt_callback(struct client *, void *,
36: const char *, int);
1.34 nicm 37: static void cmd_command_prompt_free(void *);
1.1 nicm 38:
39: const struct cmd_entry cmd_command_prompt_entry = {
1.31 nicm 40: .name = "command-prompt",
41: .alias = NULL,
42:
1.55 ! nicm 43: .args = { "1FkiI:Np:t:T:", 0, 1 },
! 44: .usage = "[-1FkiN] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE
1.54 nicm 45: " [-T type] [template]",
1.31 nicm 46:
1.51 nicm 47: .flags = CMD_CLIENT_TFLAG,
1.31 nicm 48: .exec = cmd_command_prompt_exec
1.8 nicm 49: };
50:
51: struct cmd_command_prompt_cdata {
1.54 nicm 52: int flags;
53: enum prompt_type prompt_type;
1.39 nicm 54:
1.54 nicm 55: char *inputs;
56: char *next_input;
1.39 nicm 57:
1.54 nicm 58: char *prompts;
59: char *next_prompt;
1.39 nicm 60:
1.54 nicm 61: char *template;
1.55 ! nicm 62: int idx;
1.1 nicm 63: };
64:
1.34 nicm 65: static enum cmd_retval
1.38 nicm 66: cmd_command_prompt_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 67: {
1.48 nicm 68: struct args *args = cmd_get_args(self);
1.51 nicm 69: struct client *tc = cmdq_get_target_client(item);
1.53 nicm 70: struct cmd_find_state *target = cmdq_get_target(item);
1.54 nicm 71: const char *inputs, *prompts, *type;
1.8 nicm 72: struct cmd_command_prompt_cdata *cdata;
1.19 nicm 73: char *prompt, *ptr, *input = NULL;
1.8 nicm 74: size_t n;
1.43 nicm 75:
1.51 nicm 76: if (tc->prompt_string != NULL)
1.21 nicm 77: return (CMD_RETURN_NORMAL);
1.1 nicm 78:
1.39 nicm 79: cdata = xcalloc(1, sizeof *cdata);
80:
1.17 nicm 81: cdata->inputs = NULL;
82: cdata->next_input = NULL;
1.39 nicm 83:
84: cdata->prompts = NULL;
1.8 nicm 85: cdata->next_prompt = NULL;
1.39 nicm 86:
1.8 nicm 87: cdata->template = NULL;
1.39 nicm 88: cdata->idx = 1;
1.8 nicm 89:
1.55 ! nicm 90: if (args->argc != 0 && args_has(args, 'F'))
! 91: cdata->template = format_single_from_target(item, args->argv[0]);
! 92: else if (args->argc != 0)
1.14 nicm 93: cdata->template = xstrdup(args->argv[0]);
1.8 nicm 94: else
95: cdata->template = xstrdup("%1");
1.14 nicm 96:
1.17 nicm 97: if ((prompts = args_get(args, 'p')) != NULL)
1.14 nicm 98: cdata->prompts = xstrdup(prompts);
99: else if (args->argc != 0) {
100: n = strcspn(cdata->template, " ,");
101: xasprintf(&cdata->prompts, "(%.*s) ", (int) n, cdata->template);
1.8 nicm 102: } else
103: cdata->prompts = xstrdup(":");
104:
1.17 nicm 105: /* Get first prompt. */
1.8 nicm 106: cdata->next_prompt = cdata->prompts;
107: ptr = strsep(&cdata->next_prompt, ",");
1.14 nicm 108: if (prompts == NULL)
1.8 nicm 109: prompt = xstrdup(ptr);
1.19 nicm 110: else
111: xasprintf(&prompt, "%s ", ptr);
1.17 nicm 112:
113: /* Get initial prompt input. */
114: if ((inputs = args_get(args, 'I')) != NULL) {
115: cdata->inputs = xstrdup(inputs);
116: cdata->next_input = cdata->inputs;
1.19 nicm 117: input = strsep(&cdata->next_input, ",");
1.17 nicm 118: }
119:
1.54 nicm 120: /* Get prompt type. */
121: if ((type = args_get(args, 'T')) != NULL) {
122: cdata->prompt_type = status_prompt_type(type);
123: if (cdata->prompt_type == PROMPT_TYPE_INVALID) {
124: cmdq_error(item, "unknown type: %s", type);
125: return (CMD_RETURN_ERROR);
126: }
127: } else
128: cdata->prompt_type = PROMPT_TYPE_COMMAND;
129:
1.35 nicm 130: if (args_has(args, '1'))
1.39 nicm 131: cdata->flags |= PROMPT_SINGLE;
1.36 nicm 132: else if (args_has(args, 'N'))
1.39 nicm 133: cdata->flags |= PROMPT_NUMERIC;
134: else if (args_has(args, 'i'))
135: cdata->flags |= PROMPT_INCREMENTAL;
1.47 nicm 136: else if (args_has(args, 'k'))
137: cdata->flags |= PROMPT_KEY;
1.53 nicm 138: status_prompt_set(tc, target, prompt, input,
139: cmd_command_prompt_callback, cmd_command_prompt_free, cdata,
1.54 nicm 140: cdata->flags, cdata->prompt_type);
1.20 nicm 141: free(prompt);
1.1 nicm 142:
1.21 nicm 143: return (CMD_RETURN_NORMAL);
1.1 nicm 144: }
145:
1.34 nicm 146: static int
1.44 nicm 147: cmd_command_prompt_callback(struct client *c, void *data, const char *s,
148: int done)
1.1 nicm 149: {
1.8 nicm 150: struct cmd_command_prompt_cdata *cdata = data;
1.50 nicm 151: char *new_template, *prompt, *ptr, *error;
1.19 nicm 152: char *input = NULL;
1.50 nicm 153: enum cmd_parse_status status;
1.1 nicm 154:
1.8 nicm 155: if (s == NULL)
1.1 nicm 156: return (0);
1.39 nicm 157: if (done && (cdata->flags & PROMPT_INCREMENTAL))
158: return (0);
1.1 nicm 159:
1.17 nicm 160: new_template = cmd_template_replace(cdata->template, s, cdata->idx);
1.39 nicm 161: if (done) {
162: free(cdata->template);
163: cdata->template = new_template;
164: }
1.8 nicm 165:
1.17 nicm 166: /*
167: * Check if there are more prompts; if so, get its respective input
168: * and update the prompt data.
169: */
1.39 nicm 170: if (done && (ptr = strsep(&cdata->next_prompt, ",")) != NULL) {
1.19 nicm 171: xasprintf(&prompt, "%s ", ptr);
172: input = strsep(&cdata->next_input, ",");
1.17 nicm 173: status_prompt_update(c, prompt, input);
174:
1.20 nicm 175: free(prompt);
1.8 nicm 176: cdata->idx++;
177: return (1);
178: }
1.1 nicm 179:
1.50 nicm 180: status = cmd_parse_and_append(new_template, NULL, c, NULL, &error);
181: if (status == CMD_PARSE_ERROR) {
182: cmdq_append(c, cmdq_get_error(error));
183: free(error);
1.1 nicm 184: }
185:
1.39 nicm 186: if (!done)
187: free(new_template);
1.44 nicm 188: if (c->prompt_inputcb != cmd_command_prompt_callback)
1.1 nicm 189: return (1);
190: return (0);
1.4 nicm 191: }
192:
1.34 nicm 193: static void
1.14 nicm 194: cmd_command_prompt_free(void *data)
1.4 nicm 195: {
1.8 nicm 196: struct cmd_command_prompt_cdata *cdata = data;
1.4 nicm 197:
1.20 nicm 198: free(cdata->inputs);
199: free(cdata->prompts);
200: free(cdata->template);
201: free(cdata);
1.1 nicm 202: }