1 /*

     2  * CDDL HEADER START

     3  *

     4  * The contents of this file are subject to the terms of the

     5  * Common Development and Distribution License (the "License").

     6  * You may not use this file except in compliance with the License.

     7  *

     8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

     9  * or http://www.opensolaris.org/os/licensing.

    10  * See the License for the specific language governing permissions

    11  * and limitations under the License.

    12  *

    13  * When distributing Covered Code, include this CDDL HEADER in each

    14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

    15  * If applicable, add the following below this CDDL HEADER, with the

    16  * fields enclosed by brackets "[]" replaced with your own identifying

    17  * information: Portions Copyright [yyyy] [name of copyright owner]

    18  *

    19  * CDDL HEADER END

    20  */

    21 

    22 /*

    23  * Copyright 2008 Sun Microsystems, Inc. All rights reserved.

    24  * Use is subject to license terms.

    25  */

    26 

    27 #ifndef _FSEXAM_HISTORY_

    28 #define _FSEXAM_HISTORY_

    29 

    30 #define HIST_LEN 100

    31 

    32 typedef struct _History_item

    33 {

    34     gint32    serial;           /* used by undo */

    35     ConvType  convtype;

    36     gint      from_encoding;

    37     gint      to_encoding;

    38     gchar     *uri;             /* always is uri */

    39 }Hist_item;

    40 

    41 /* 

    42  * defined to History_info in header file 

    43  *

    44  * 1) Empty state:

    45  *      head = 0;

    46  *      current = -1;

    47  *      last_serial = 0;

    48  *

    49  * 2) Only one element:

    50  *      head = 0;

    51  *      current = -1

    52  *

    53  * 3) Full

    54  *      current + 1 == head

    55  */

    56 struct _History_info

    57 {

    58     FILE      *fp;              /* FILE stream pointer for ~/.fsexam.history */

    59     GList     **hist_array;     /* the list of History_item */

    60     gint32    max_len;         /* The total length of history */

    61     gint32    head;             /* always point to NUL element as condition  */

    62     gint32    current;          /* the last used element */

    63     gint32    last_serial;

    64     gboolean  changed;

    65 };

    66 

    67 typedef struct _History_info Hist_info;

    68 

    69 /* 

    70  * to make life easier, history use uri internally 

    71  * both in disk and in memory 

    72  */

    73 

    74 Hist_info * fsexam_history_open (const gchar *filename, gint max_len);

    75 gboolean    fsexam_history_close (Hist_info *);

    76 void        fsexam_history_remove_last (Hist_info *);

    77 gint32      fsexam_history_get_serial (Hist_info *info);

    78 GList     * fsexam_history_get_last_list (Hist_info *info, ConvType *type);

    79 Hist_item * fsexam_history_search (Hist_info *info, 

    80                                    const gchar *path, 

    81                                    gboolean convname);

    82 void        fsexam_history_put (Hist_info *,

    83                                 ConvType convtype,

    84                                 const gchar *filename,

    85                                 gint from_encoding,

    86                                 gint to_encoding,

    87                                 gboolean same_serial);

    88 

    89 #endif