Annotation of src/usr.bin/tmux/cmd-command-prompt.c, Revision 1.65
1.65 ! nicm 1: /* $OpenBSD: cmd-command-prompt.c,v 1.64 2021/09/22 15:21:44 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:
1.62 nicm 32: static enum args_parse_type cmd_command_prompt_args_parse(struct args *,
33: u_int, char **);
34: static enum cmd_retval cmd_command_prompt_exec(struct cmd *,
35: struct cmdq_item *);
1.8 nicm 36:
1.44 nicm 37: static int cmd_command_prompt_callback(struct client *, void *,
38: const char *, int);
1.34 nicm 39: static void cmd_command_prompt_free(void *);
1.1 nicm 40:
41: const struct cmd_entry cmd_command_prompt_entry = {
1.31 nicm 42: .name = "command-prompt",
43: .alias = NULL,
44:
1.62 nicm 45: .args = { "1bFkiI:Np:t:T:", 0, 1, cmd_command_prompt_args_parse },
1.56 nicm 46: .usage = "[-1bFkiN] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE
1.54 nicm 47: " [-T type] [template]",
1.31 nicm 48:
1.51 nicm 49: .flags = CMD_CLIENT_TFLAG,
1.31 nicm 50: .exec = cmd_command_prompt_exec
1.8 nicm 51: };
52:
1.60 nicm 53: struct cmd_command_prompt_prompt {
54: char *input;
55: char *prompt;
56: };
57:
1.8 nicm 58: struct cmd_command_prompt_cdata {
1.60 nicm 59: struct cmdq_item *item;
60: struct args_command_state *state;
1.39 nicm 61:
1.60 nicm 62: int flags;
63: enum prompt_type prompt_type;
1.39 nicm 64:
1.60 nicm 65: struct cmd_command_prompt_prompt *prompts;
66: u_int count;
67: u_int current;
1.56 nicm 68:
1.60 nicm 69: int argc;
70: char **argv;
1.1 nicm 71: };
72:
1.62 nicm 73: static enum args_parse_type
74: cmd_command_prompt_args_parse(__unused struct args *args, __unused u_int idx,
75: __unused char **cause)
76: {
77: return (ARGS_PARSE_COMMANDS_OR_STRING);
78: }
79:
1.34 nicm 80: static enum cmd_retval
1.38 nicm 81: cmd_command_prompt_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 82: {
1.48 nicm 83: struct args *args = cmd_get_args(self);
1.51 nicm 84: struct client *tc = cmdq_get_target_client(item);
1.53 nicm 85: struct cmd_find_state *target = cmdq_get_target(item);
1.60 nicm 86: const char *type, *s, *input;
1.8 nicm 87: struct cmd_command_prompt_cdata *cdata;
1.60 nicm 88: char *tmp, *prompts, *prompt, *next_prompt;
1.61 nicm 89: char *inputs = NULL, *next_input;
1.58 nicm 90: u_int count = args_count(args);
1.60 nicm 91: int wait = !args_has(args, 'b'), space = 1;
1.43 nicm 92:
1.51 nicm 93: if (tc->prompt_string != NULL)
1.21 nicm 94: return (CMD_RETURN_NORMAL);
1.57 nicm 95: if (args_has(args, 'i'))
96: wait = 0;
1.1 nicm 97:
1.39 nicm 98: cdata = xcalloc(1, sizeof *cdata);
1.56 nicm 99: if (wait)
100: cdata->item = item;
1.60 nicm 101: cdata->state = args_make_commands_prepare(self, item, 0, "%1", wait,
102: args_has(args, 'F'));
1.8 nicm 103:
1.60 nicm 104: if ((s = args_get(args, 'p')) == NULL) {
105: if (count != 0) {
106: tmp = args_make_commands_get_command(cdata->state);
107: xasprintf(&prompts, "(%s)", tmp);
108: free(tmp);
109: } else {
110: prompts = xstrdup(":");
111: space = 0;
112: }
113: next_prompt = prompts;
114: } else
1.65 ! nicm 115: next_prompt = prompts = xstrdup(s);
1.60 nicm 116: if ((s = args_get(args, 'I')) != NULL)
117: next_input = inputs = xstrdup(s);
118: else
119: next_input = NULL;
120: while ((prompt = strsep(&next_prompt, ",")) != NULL) {
121: cdata->prompts = xreallocarray(cdata->prompts, cdata->count + 1,
122: sizeof *cdata->prompts);
123: if (!space)
124: tmp = xstrdup(prompt);
1.58 nicm 125: else
1.60 nicm 126: xasprintf(&tmp, "%s ", prompt);
127: cdata->prompts[cdata->count].prompt = tmp;
1.8 nicm 128:
1.60 nicm 129: if (next_input != NULL) {
130: input = strsep(&next_input, ",");
131: if (input == NULL)
132: input = "";
133: } else
134: input = "";
135: cdata->prompts[cdata->count].input = xstrdup(input);
1.17 nicm 136:
1.60 nicm 137: cdata->count++;
1.17 nicm 138: }
1.60 nicm 139: free(inputs);
140: free(prompts);
1.17 nicm 141:
1.54 nicm 142: if ((type = args_get(args, 'T')) != NULL) {
143: cdata->prompt_type = status_prompt_type(type);
144: if (cdata->prompt_type == PROMPT_TYPE_INVALID) {
145: cmdq_error(item, "unknown type: %s", type);
146: return (CMD_RETURN_ERROR);
147: }
148: } else
149: cdata->prompt_type = PROMPT_TYPE_COMMAND;
150:
1.35 nicm 151: if (args_has(args, '1'))
1.39 nicm 152: cdata->flags |= PROMPT_SINGLE;
1.36 nicm 153: else if (args_has(args, 'N'))
1.39 nicm 154: cdata->flags |= PROMPT_NUMERIC;
155: else if (args_has(args, 'i'))
156: cdata->flags |= PROMPT_INCREMENTAL;
1.47 nicm 157: else if (args_has(args, 'k'))
158: cdata->flags |= PROMPT_KEY;
1.60 nicm 159: status_prompt_set(tc, target, cdata->prompts[0].prompt,
160: cdata->prompts[0].input, cmd_command_prompt_callback,
161: cmd_command_prompt_free, cdata, cdata->flags, cdata->prompt_type);
1.1 nicm 162:
1.56 nicm 163: if (!wait)
164: return (CMD_RETURN_NORMAL);
165: return (CMD_RETURN_WAIT);
1.1 nicm 166: }
167:
1.34 nicm 168: static int
1.44 nicm 169: cmd_command_prompt_callback(struct client *c, void *data, const char *s,
170: int done)
1.1 nicm 171: {
1.63 nicm 172: struct cmd_command_prompt_cdata *cdata = data;
173: char *error;
174: struct cmdq_item *item = cdata->item, *new_item;
175: struct cmd_list *cmdlist;
176: struct cmd_command_prompt_prompt *prompt;
177: int argc = 0;
178: char **argv = NULL;
1.1 nicm 179:
1.8 nicm 180: if (s == NULL)
1.56 nicm 181: goto out;
1.39 nicm 182: if (done) {
1.60 nicm 183: if (cdata->flags & PROMPT_INCREMENTAL)
184: goto out;
1.8 nicm 185:
1.64 nicm 186: cmd_append_argv(&cdata->argc, &cdata->argv, s);
1.60 nicm 187: if (++cdata->current != cdata->count) {
188: prompt = &cdata->prompts[cdata->current];
189: status_prompt_update(c, prompt->prompt, prompt->input);
190: return (1);
191: }
1.8 nicm 192: }
1.1 nicm 193:
1.63 nicm 194: argc = cdata->argc;
195: argv = cmd_copy_argv(cdata->argc, cdata->argv);
196: cmd_append_argv(&argc, &argv, s);
197: if (done) {
198: cdata->argc = argc;
199: cdata->argv = cmd_copy_argv(argc, argv);
200: }
201:
202: cmdlist = args_make_commands(cdata->state, argc, argv, &error);
1.60 nicm 203: if (cmdlist == NULL) {
1.50 nicm 204: cmdq_append(c, cmdq_get_error(error));
205: free(error);
1.60 nicm 206: } else if (item == NULL) {
207: new_item = cmdq_get_command(cmdlist, NULL);
208: cmdq_append(c, new_item);
209: } else {
210: new_item = cmdq_get_command(cmdlist, cmdq_get_state(item));
211: cmdq_insert_after(item, new_item);
1.1 nicm 212: }
1.63 nicm 213: cmd_free_argv(argc, argv);
1.1 nicm 214:
1.44 nicm 215: if (c->prompt_inputcb != cmd_command_prompt_callback)
1.1 nicm 216: return (1);
1.56 nicm 217:
218: out:
1.62 nicm 219: if (item != NULL)
220: cmdq_continue(item);
1.1 nicm 221: return (0);
1.4 nicm 222: }
223:
1.34 nicm 224: static void
1.14 nicm 225: cmd_command_prompt_free(void *data)
1.4 nicm 226: {
1.8 nicm 227: struct cmd_command_prompt_cdata *cdata = data;
1.60 nicm 228: u_int i;
1.4 nicm 229:
1.60 nicm 230: for (i = 0; i < cdata->count; i++) {
231: free(cdata->prompts[i].prompt);
232: free(cdata->prompts[i].input);
233: }
1.20 nicm 234: free(cdata->prompts);
1.60 nicm 235: cmd_free_argv(cdata->argc, cdata->argv);
236: args_make_commands_free(cdata->state);
1.20 nicm 237: free(cdata);
1.1 nicm 238: }
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