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/* $OpenBSD: cmd-command-prompt.c,v 1.44 2017/05/17 15:20:23 nicm Exp $ */ |
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/* |
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* Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER |
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/types.h> |
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#include <ctype.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <time.h> |
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#include "tmux.h" |
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/* |
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* Prompt for command in client. |
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*/ |
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static enum cmd_retval cmd_command_prompt_exec(struct cmd *, |
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struct cmdq_item *); |
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static int cmd_command_prompt_callback(struct client *, void *, |
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const char *, int); |
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static void cmd_command_prompt_free(void *); |
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const struct cmd_entry cmd_command_prompt_entry = { |
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.name = "command-prompt", |
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.alias = NULL, |
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.args = { "1iI:Np:t:", 0, 1 }, |
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.usage = "[-1Ni] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE " " |
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"[template]", |
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.flags = 0, |
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.exec = cmd_command_prompt_exec |
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}; |
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struct cmd_command_prompt_cdata { |
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int flags; |
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char *inputs; |
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char *next_input; |
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char *prompts; |
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char *next_prompt; |
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char *template; |
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int idx; |
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}; |
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static enum cmd_retval |
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cmd_command_prompt_exec(struct cmd *self, struct cmdq_item *item) |
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{ |
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struct args *args = self->args; |
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const char *inputs, *prompts; |
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struct cmd_command_prompt_cdata *cdata; |
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struct client *c; |
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char *prompt, *ptr, *input = NULL; |
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size_t n; |
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if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL) |
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return (CMD_RETURN_ERROR); |
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if (c->prompt_string != NULL) |
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return (CMD_RETURN_NORMAL); |
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cdata = xcalloc(1, sizeof *cdata); |
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cdata->inputs = NULL; |
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cdata->next_input = NULL; |
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cdata->prompts = NULL; |
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cdata->next_prompt = NULL; |
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cdata->template = NULL; |
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cdata->idx = 1; |
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if (args->argc != 0) |
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cdata->template = xstrdup(args->argv[0]); |
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else |
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cdata->template = xstrdup("%1"); |
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if ((prompts = args_get(args, 'p')) != NULL) |
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cdata->prompts = xstrdup(prompts); |
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else if (args->argc != 0) { |
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n = strcspn(cdata->template, " ,"); |
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xasprintf(&cdata->prompts, "(%.*s) ", (int) n, cdata->template); |
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} else |
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cdata->prompts = xstrdup(":"); |
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/* Get first prompt. */ |
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cdata->next_prompt = cdata->prompts; |
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ptr = strsep(&cdata->next_prompt, ","); |
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if (prompts == NULL) |
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prompt = xstrdup(ptr); |
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else |
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xasprintf(&prompt, "%s ", ptr); |
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/* Get initial prompt input. */ |
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if ((inputs = args_get(args, 'I')) != NULL) { |
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cdata->inputs = xstrdup(inputs); |
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cdata->next_input = cdata->inputs; |
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input = strsep(&cdata->next_input, ","); |
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} |
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if (args_has(args, '1')) |
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cdata->flags |= PROMPT_SINGLE; |
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else if (args_has(args, 'N')) |
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cdata->flags |= PROMPT_NUMERIC; |
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else if (args_has(args, 'i')) |
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cdata->flags |= PROMPT_INCREMENTAL; |
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status_prompt_set(c, prompt, input, cmd_command_prompt_callback, |
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cmd_command_prompt_free, cdata, cdata->flags); |
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free(prompt); |
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return (CMD_RETURN_NORMAL); |
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} |
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static enum cmd_retval |
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cmd_command_prompt_error(struct cmdq_item *item, void *data) |
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{ |
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char *error = data; |
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cmdq_error(item, "%s", error); |
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free(error); |
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return (CMD_RETURN_NORMAL); |
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} |
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static int |
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cmd_command_prompt_callback(struct client *c, void *data, const char *s, |
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int done) |
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{ |
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struct cmd_command_prompt_cdata *cdata = data; |
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struct cmd_list *cmdlist; |
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struct cmdq_item *new_item; |
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char *cause, *new_template, *prompt, *ptr; |
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char *input = NULL; |
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if (s == NULL) |
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return (0); |
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if (done && (cdata->flags & PROMPT_INCREMENTAL)) |
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return (0); |
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new_template = cmd_template_replace(cdata->template, s, cdata->idx); |
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if (done) { |
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free(cdata->template); |
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cdata->template = new_template; |
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} |
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/* |
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* Check if there are more prompts; if so, get its respective input |
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* and update the prompt data. |
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*/ |
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if (done && (ptr = strsep(&cdata->next_prompt, ",")) != NULL) { |
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xasprintf(&prompt, "%s ", ptr); |
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input = strsep(&cdata->next_input, ","); |
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status_prompt_update(c, prompt, input); |
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free(prompt); |
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cdata->idx++; |
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return (1); |
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} |
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cmdlist = cmd_string_parse(new_template, NULL, 0, &cause); |
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if (cmdlist == NULL) { |
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if (cause != NULL) { |
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new_item = cmdq_get_callback(cmd_command_prompt_error, |
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cause); |
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} else |
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new_item = NULL; |
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} else { |
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new_item = cmdq_get_command(cmdlist, NULL, NULL, 0); |
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cmd_list_free(cmdlist); |
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} |
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if (new_item != NULL) |
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cmdq_append(c, new_item); |
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if (!done) |
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free(new_template); |
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if (c->prompt_inputcb != cmd_command_prompt_callback) |
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return (1); |
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return (0); |
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} |
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static void |
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cmd_command_prompt_free(void *data) |
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{ |
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struct cmd_command_prompt_cdata *cdata = data; |
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free(cdata->inputs); |
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free(cdata->prompts); |
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free(cdata->template); |
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free(cdata); |
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} |