GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/tmux/cmd-command-prompt.c Lines: 0 81 0.0 %
Date: 2017-11-13 Branches: 0 42 0.0 %

Line Branch Exec Source
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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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}