Annotation of src/usr.bin/tmux/cmd-command-prompt.c, Revision 1.39
1.39 ! nicm 1: /* $OpenBSD: cmd-command-prompt.c,v 1.38 2016/10/16 19:04:05 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:
1.39 ! nicm 35: static int cmd_command_prompt_callback(void *, const char *, int);
1.34 nicm 36: static void cmd_command_prompt_free(void *);
1.1 nicm 37:
38: const struct cmd_entry cmd_command_prompt_entry = {
1.31 nicm 39: .name = "command-prompt",
40: .alias = NULL,
41:
1.39 ! nicm 42: .args = { "1iI:Np:t:", 0, 1 },
! 43: .usage = "[-1Ni] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE " "
1.31 nicm 44: "[template]",
45:
1.32 nicm 46: .tflag = CMD_CLIENT,
47:
48: .flags = 0,
1.31 nicm 49: .exec = cmd_command_prompt_exec
1.8 nicm 50: };
51:
52: struct cmd_command_prompt_cdata {
1.1 nicm 53: struct client *c;
1.39 ! nicm 54: int flags;
! 55:
1.17 nicm 56: char *inputs;
57: char *next_input;
1.39 ! nicm 58:
! 59: char *prompts;
1.8 nicm 60: char *next_prompt;
1.39 ! nicm 61:
1.1 nicm 62: char *template;
1.8 nicm 63: int idx;
1.1 nicm 64: };
65:
1.34 nicm 66: static enum cmd_retval
1.38 nicm 67: cmd_command_prompt_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 68: {
1.14 nicm 69: struct args *args = self->args;
1.17 nicm 70: const char *inputs, *prompts;
1.8 nicm 71: struct cmd_command_prompt_cdata *cdata;
1.38 nicm 72: struct client *c = item->state.c;
1.19 nicm 73: char *prompt, *ptr, *input = NULL;
1.8 nicm 74: size_t n;
1.35 nicm 75: int flags;
1.1 nicm 76:
77: if (c->prompt_string != NULL)
1.21 nicm 78: return (CMD_RETURN_NORMAL);
1.1 nicm 79:
1.39 ! nicm 80: cdata = xcalloc(1, sizeof *cdata);
1.1 nicm 81: cdata->c = c;
1.39 ! nicm 82:
1.17 nicm 83: cdata->inputs = NULL;
84: cdata->next_input = NULL;
1.39 ! nicm 85:
! 86: cdata->prompts = NULL;
1.8 nicm 87: cdata->next_prompt = NULL;
1.39 ! nicm 88:
1.8 nicm 89: cdata->template = NULL;
1.39 ! nicm 90: cdata->idx = 1;
1.8 nicm 91:
1.14 nicm 92: if (args->argc != 0)
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:
1.35 nicm 120: flags = 0;
121: if (args_has(args, '1'))
1.39 ! nicm 122: cdata->flags |= PROMPT_SINGLE;
1.36 nicm 123: else if (args_has(args, 'N'))
1.39 ! nicm 124: cdata->flags |= PROMPT_NUMERIC;
! 125: else if (args_has(args, 'i'))
! 126: cdata->flags |= PROMPT_INCREMENTAL;
1.17 nicm 127: status_prompt_set(c, prompt, input, cmd_command_prompt_callback,
1.39 ! nicm 128: cmd_command_prompt_free, cdata, cdata->flags);
1.20 nicm 129: free(prompt);
1.1 nicm 130:
1.21 nicm 131: return (CMD_RETURN_NORMAL);
1.1 nicm 132: }
133:
1.37 nicm 134: static enum cmd_retval
1.38 nicm 135: cmd_command_prompt_error(struct cmdq_item *item, void *data)
1.37 nicm 136: {
137: char *error = data;
138:
1.38 nicm 139: cmdq_error(item, "%s", error);
1.37 nicm 140: free(error);
141:
142: return (CMD_RETURN_NORMAL);
143: }
144:
1.34 nicm 145: static int
1.39 ! nicm 146: cmd_command_prompt_callback(void *data, const char *s, int done)
1.1 nicm 147: {
1.8 nicm 148: struct cmd_command_prompt_cdata *cdata = data;
1.1 nicm 149: struct client *c = cdata->c;
150: struct cmd_list *cmdlist;
1.38 nicm 151: struct cmdq_item *new_item;
1.19 nicm 152: char *cause, *new_template, *prompt, *ptr;
153: char *input = NULL;
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:
1.26 nicm 180: if (cmd_string_parse(new_template, &cmdlist, NULL, 0, &cause) != 0) {
1.8 nicm 181: if (cause != NULL) {
1.38 nicm 182: new_item = cmdq_get_callback(cmd_command_prompt_error,
1.37 nicm 183: cause);
184: } else
1.38 nicm 185: new_item = NULL;
1.37 nicm 186: } else {
1.38 nicm 187: new_item = cmdq_get_command(cmdlist, NULL, NULL, 0);
1.37 nicm 188: cmd_list_free(cmdlist);
1.1 nicm 189: }
190:
1.38 nicm 191: if (new_item != NULL)
192: cmdq_append(c, new_item);
1.1 nicm 193:
1.39 ! nicm 194: if (!done)
! 195: free(new_template);
1.37 nicm 196: if (c->prompt_callbackfn != (void *)&cmd_command_prompt_callback)
1.1 nicm 197: return (1);
198: return (0);
1.4 nicm 199: }
200:
1.34 nicm 201: static void
1.14 nicm 202: cmd_command_prompt_free(void *data)
1.4 nicm 203: {
1.8 nicm 204: struct cmd_command_prompt_cdata *cdata = data;
1.4 nicm 205:
1.20 nicm 206: free(cdata->inputs);
207: free(cdata->prompts);
208: free(cdata->template);
209: free(cdata);
1.1 nicm 210: }
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