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/*

 * This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>.

 * It is copyright by its individual contributors, as recorded in the

 * project's Git history.  See COPYING.txt at the top level for license

 * terms and a link to the Git history.

 *

 */

/*

 *

 * Command parsing and processing

 *

 */

#pragma once

#include "dxxsconf.h"

void cmd_init(void);

/* Maximum length for a single command */

#define CMD_MAX_LENGTH 2048

/* Maximum number of tokens per command */

#define CMD_MAX_TOKENS 64

/* Add some commands to the queue to be executed */

void cmd_enqueue(int insert, const char *input);

__attribute_format_printf(2, 3)

void cmd_enqueuef(int insert, const char *fmt, ...);

#define cmd_append(input) cmd_enqueue(0, (input))

#define cmd_appendf(...) cmd_enqueuef(0, __VA_ARGS__)

#define cmd_insert(input) cmd_enqueue(1, (input))

#define cmd_insertf(...) cmd_enqueuef(1, __VA_ARGS__)

/* Execute pending commands */

int cmd_queue_process(void);

/* execute until there are no commands left */

void cmd_queue_flush(void);

/* Attempt to autocomplete an input string */

const char *cmd_complete(const char *input);

typedef void (*cmd_handler_t)(unsigned long argc, const char *const *argv);

void cmd_addcommand(const char *cmd_name, cmd_handler_t cmd_func, const char *cmd_help_text);