/*                                                            -*- C -*-
 * Copyright (c) 1999-2006  Motoyuki Kasahara
 *
 * 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.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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.
 */

/*
 * 使用方法:
 *     disctype <book-path>
 * 例:
 *     disctype /cdrom
 * 説明:
 *     <book-path> で指定された CD-ROM 書籍の種類が、EB か EPWING か
 *     を調べて表示します。
 */
#include <stdio.h>
#include <stdlib.h>

#include <eb/eb.h>
#include <eb/error.h>

int
main(int argc, char *argv[])
{
    EB_Error_Code error_code;
    EB_Book book;
    EB_Disc_Code disc_code;

    /* コマンド行引数をチェック。*/
    if (argc != 2) {
	fprintf(stderr, "Usage: %s book-path\n", argv[0]);
	exit(1);
    }

    /* EB ライブラリと `book' を初期化。*/
    error_code = eb_initialize_library();
    if (error_code != EB_SUCCESS) {
	fprintf(stderr, "%s: failed to initialize EB Library, %s: %s\n",
	    argv[0], eb_error_message(error_code), argv[1]);
	goto die;
    }
    eb_initialize_book(&book);

    /* `book' を書籍に結び付ける。失敗したら終了。*/
    error_code = eb_bind(&book, argv[1]);
    if (error_code != EB_SUCCESS) {
	fprintf(stderr, "%s: failed to bind the book, %s: %s\n",
	    argv[0], eb_error_message(error_code), argv[1]);
	goto die;
    }

    /* 書籍の種類を調べて表示。*/
    error_code = eb_disc_type(&book, &disc_code);
    if (error_code != EB_SUCCESS) {
	fprintf(stderr, "%s: failed to get disc type, %s: %s\n",
	    argv[0], eb_error_message(error_code), argv[1]);
	goto die;
    }

    if (disc_code == EB_DISC_EB) {
	fputs("EB\n", stdout);
    } else if (disc_code == EB_DISC_EPWING) {
	fputs("EPWING\n", stdout);
    } else {
	fputs("unknown\n", stdout);
    }

    /* 書籍と EB ライブラリの利用を終了。*/
    eb_finalize_book(&book);
    eb_finalize_library();
    exit(0);

    /* エラー発生で終了するときの処理。*/
  die:
    eb_finalize_book(&book);
    eb_finalize_library();
    exit(1);
}