/*-
 * Copyright (c) 2005 Salvatore Sanfilippo <antirez@invece.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $Id$
 *
 * Jim - Readline bindings for Jim
 */

#define JIM_EXTENSION
#include "jim.h"

#include <readline/readline.h>
#include <readline/history.h>

static int JimRlReadlineCommand(Jim_Interp *interp, int argc, 
        Jim_Obj *const *argv)
{
    char *line;

    if (argc != 2) {
        Jim_WrongNumArgs(interp, 1, argv, "prompt");
        return JIM_ERR;
    }
    line = readline(Jim_GetString(argv[1], NULL));
    Jim_SetResult(interp, Jim_NewStringObj(interp, line, -1));
    return JIM_OK;
}

static int JimRlAddHistoryCommand(Jim_Interp *interp, int argc, 
        Jim_Obj *const *argv)
{
    if (argc != 2) {
        Jim_WrongNumArgs(interp, 1, argv, "string");
        return JIM_ERR;
    }
    add_history(Jim_GetString(argv[1], NULL));
    return JIM_OK;
}

int Jim_OnLoad(Jim_Interp *interp)
{
    Jim_InitExtension(interp);
    if (Jim_PackageProvide(interp, "readline", "1.0", JIM_ERRMSG) != JIM_OK)
        return JIM_ERR;
    Jim_CreateCommand(interp, "readline.readline", JimRlReadlineCommand, NULL,
            NULL);
    Jim_CreateCommand(interp, "readline.addhistory", JimRlAddHistoryCommand,
            NULL, NULL);
    return JIM_OK;
}