Annotation of src/usr.bin/tmux/cmd-command-prompt.c, Revision 1.45
1.45 ! nicm 1: /* $OpenBSD: cmd-command-prompt.c,v 1.44 2017/05/17 15:20:23 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:
1.39 nicm 43: .args = { "1iI:Np:t:", 0, 1 },
44: .usage = "[-1Ni] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE " "
1.31 nicm 45: "[template]",
46:
1.32 nicm 47: .flags = 0,
1.31 nicm 48: .exec = cmd_command_prompt_exec
1.8 nicm 49: };
50:
51: struct cmd_command_prompt_cdata {
1.44 nicm 52: int flags;
1.39 nicm 53:
1.44 nicm 54: char *inputs;
55: char *next_input;
1.39 nicm 56:
1.44 nicm 57: char *prompts;
58: char *next_prompt;
1.39 nicm 59:
1.44 nicm 60: char *template;
61: int idx;
1.1 nicm 62: };
63:
1.34 nicm 64: static enum cmd_retval
1.38 nicm 65: cmd_command_prompt_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 66: {
1.14 nicm 67: struct args *args = self->args;
1.17 nicm 68: const char *inputs, *prompts;
1.8 nicm 69: struct cmd_command_prompt_cdata *cdata;
1.43 nicm 70: struct client *c;
1.19 nicm 71: char *prompt, *ptr, *input = NULL;
1.8 nicm 72: size_t n;
1.43 nicm 73:
74: if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL)
75: return (CMD_RETURN_ERROR);
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);
81:
1.17 nicm 82: cdata->inputs = NULL;
83: cdata->next_input = NULL;
1.39 nicm 84:
85: cdata->prompts = NULL;
1.8 nicm 86: cdata->next_prompt = NULL;
1.39 nicm 87:
1.8 nicm 88: cdata->template = NULL;
1.39 nicm 89: cdata->idx = 1;
1.8 nicm 90:
1.14 nicm 91: if (args->argc != 0)
92: cdata->template = xstrdup(args->argv[0]);
1.8 nicm 93: else
94: cdata->template = xstrdup("%1");
1.14 nicm 95:
1.17 nicm 96: if ((prompts = args_get(args, 'p')) != NULL)
1.14 nicm 97: cdata->prompts = xstrdup(prompts);
98: else if (args->argc != 0) {
99: n = strcspn(cdata->template, " ,");
100: xasprintf(&cdata->prompts, "(%.*s) ", (int) n, cdata->template);
1.8 nicm 101: } else
102: cdata->prompts = xstrdup(":");
103:
1.17 nicm 104: /* Get first prompt. */
1.8 nicm 105: cdata->next_prompt = cdata->prompts;
106: ptr = strsep(&cdata->next_prompt, ",");
1.14 nicm 107: if (prompts == NULL)
1.8 nicm 108: prompt = xstrdup(ptr);
1.19 nicm 109: else
110: xasprintf(&prompt, "%s ", ptr);
1.17 nicm 111:
112: /* Get initial prompt input. */
113: if ((inputs = args_get(args, 'I')) != NULL) {
114: cdata->inputs = xstrdup(inputs);
115: cdata->next_input = cdata->inputs;
1.19 nicm 116: input = strsep(&cdata->next_input, ",");
1.17 nicm 117: }
118:
1.35 nicm 119: if (args_has(args, '1'))
1.39 nicm 120: cdata->flags |= PROMPT_SINGLE;
1.36 nicm 121: else if (args_has(args, 'N'))
1.39 nicm 122: cdata->flags |= PROMPT_NUMERIC;
123: else if (args_has(args, 'i'))
124: cdata->flags |= PROMPT_INCREMENTAL;
1.17 nicm 125: status_prompt_set(c, prompt, input, cmd_command_prompt_callback,
1.39 nicm 126: cmd_command_prompt_free, cdata, cdata->flags);
1.20 nicm 127: free(prompt);
1.1 nicm 128:
1.21 nicm 129: return (CMD_RETURN_NORMAL);
1.1 nicm 130: }
131:
1.34 nicm 132: static int
1.44 nicm 133: cmd_command_prompt_callback(struct client *c, void *data, const char *s,
134: int done)
1.1 nicm 135: {
1.8 nicm 136: struct cmd_command_prompt_cdata *cdata = data;
1.1 nicm 137: struct cmd_list *cmdlist;
1.38 nicm 138: struct cmdq_item *new_item;
1.19 nicm 139: char *cause, *new_template, *prompt, *ptr;
140: char *input = NULL;
1.1 nicm 141:
1.8 nicm 142: if (s == NULL)
1.1 nicm 143: return (0);
1.39 nicm 144: if (done && (cdata->flags & PROMPT_INCREMENTAL))
145: return (0);
1.1 nicm 146:
1.17 nicm 147: new_template = cmd_template_replace(cdata->template, s, cdata->idx);
1.39 nicm 148: if (done) {
149: free(cdata->template);
150: cdata->template = new_template;
151: }
1.8 nicm 152:
1.17 nicm 153: /*
154: * Check if there are more prompts; if so, get its respective input
155: * and update the prompt data.
156: */
1.39 nicm 157: if (done && (ptr = strsep(&cdata->next_prompt, ",")) != NULL) {
1.19 nicm 158: xasprintf(&prompt, "%s ", ptr);
159: input = strsep(&cdata->next_input, ",");
1.17 nicm 160: status_prompt_update(c, prompt, input);
161:
1.20 nicm 162: free(prompt);
1.8 nicm 163: cdata->idx++;
164: return (1);
165: }
1.1 nicm 166:
1.41 nicm 167: cmdlist = cmd_string_parse(new_template, NULL, 0, &cause);
168: if (cmdlist == NULL) {
1.45 ! nicm 169: if (cause != NULL)
! 170: new_item = cmdq_get_error(cause);
! 171: else
1.38 nicm 172: new_item = NULL;
1.45 ! nicm 173: free(cause);
1.37 nicm 174: } else {
1.38 nicm 175: new_item = cmdq_get_command(cmdlist, NULL, NULL, 0);
1.37 nicm 176: cmd_list_free(cmdlist);
1.1 nicm 177: }
178:
1.38 nicm 179: if (new_item != NULL)
180: cmdq_append(c, new_item);
1.1 nicm 181:
1.39 nicm 182: if (!done)
183: free(new_template);
1.44 nicm 184: if (c->prompt_inputcb != cmd_command_prompt_callback)
1.1 nicm 185: return (1);
186: return (0);
1.4 nicm 187: }
188:
1.34 nicm 189: static void
1.14 nicm 190: cmd_command_prompt_free(void *data)
1.4 nicm 191: {
1.8 nicm 192: struct cmd_command_prompt_cdata *cdata = data;
1.4 nicm 193:
1.20 nicm 194: free(cdata->inputs);
195: free(cdata->prompts);
196: free(cdata->template);
197: free(cdata);
1.1 nicm 198: }
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