summaryrefslogtreecommitdiffstats
path: root/kfile-plugins/sid/kfile_sid.cpp
blob: 3bdaf681cc1e7c105472e27d80012889a10c87be (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/* This file is part of the KDE project
 * Copyright (C) 2003 Rolf Magnus <ramagnus@kde.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation version 2.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "kfile_sid.h"

#include <klocale.h>
#include <kgenericfactory.h>
#include <kstringvalidator.h>
#include <kdebug.h>

#include <tqfile.h>
#include <tqvalidator.h>
#include <tqwidget.h>

#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

typedef KGenericFactory<KSidPlugin> SidFactory;

K_EXPORT_COMPONENT_FACTORY(kfile_sid, SidFactory("kfile_sid"))

KSidPlugin::KSidPlugin(TQObject *tqparent, const char *name,
                       const TQStringList &args)
    
    : KFilePlugin(tqparent, name, args)
{
    kdDebug(7034) << "sid plugin\n";
    
    KFileMimeTypeInfo* info = addMimeTypeInfo("audio/prs.sid");

    KFileMimeTypeInfo::GroupInfo* group = 0L;

    // General group
    group = addGroupInfo(info, "General", i18n("General"));

    KFileMimeTypeInfo::ItemInfo* item;

    item = addItemInfo(group, "Title", i18n("Title"), TQVariant::String);
    setAttributes(item, KFileMimeTypeInfo::Modifiable);
    setHint(item,  KFileMimeTypeInfo::Name);

    item = addItemInfo(group, "Artist", i18n("Artist"), TQVariant::String);
    setAttributes(item, KFileMimeTypeInfo::Modifiable);
    setHint(item,  KFileMimeTypeInfo::Author);

    item = addItemInfo(group, "Copyright", i18n("Copyright"), TQVariant::String);
    setAttributes(item, KFileMimeTypeInfo::Modifiable);
    setHint(item,  KFileMimeTypeInfo::Description);

    // technical group
    group = addGroupInfo(info, "Technical", i18n("Technical Details"));

    item = addItemInfo(group, "Version", i18n("Version"), TQVariant::Int);
    setPrefix(item,  i18n("PSID v"));

    addItemInfo(group, "Number of Songs", i18n("Number of Songs"), TQVariant::Int);
    item = addItemInfo(group, "Start Song", i18n("Start Song"), TQVariant::Int);
}

bool KSidPlugin::readInfo(KFileMetaInfo& info, uint /*what*/)
{
    if ( info.path().isEmpty() ) // remote file
        return false;
    TQFile file(info.path());
    if ( !file.open(IO_ReadOnly) )
        return false;

    int version;
    int num_songs;
    int start_song;
    TQString name;
    TQString artist;
    TQString copyright;
    
    char buf[64] = { 0 };
    
    if (4 != file.readBlock(buf, 4))
        return false;
    if (strncmp(buf, "PSID", 4))
        return false;

    //read version
    int ch;
    if (0 > (ch = file.getch()))
        return false;
    version = ch << 8;
    if (0 > (ch = file.getch()))
        return false;
    version+= ch;

    //read number of songs
    file.at(0xE);
    if (0 > (ch = file.getch()))
        return false;
    num_songs = ch << 8;
    if (0 > (ch = file.getch()))
        return false;
    num_songs += ch;

    //start song
    if (0 > (ch = file.getch()))
        return false;
    start_song = ch << 8;
    if (0 > (ch = file.getch()))
        return false;
    start_song += ch;

    //name
    file.at(0x16);
    if (32 != file.readBlock(buf, 32))
        return false;
    name = buf;

    //artist
    if (32 != file.readBlock(buf, 32))
        return false;
    artist = buf;

    //copyright
    if (32 != file.readBlock(buf, 32))
        return false;
    copyright = buf;

    TQString TODO("TODO");
    kdDebug(7034) << "sid plugin readInfo\n";
    
    KFileMetaInfoGroup general = appendGroup(info, "General");

    appendItem(general, "Title",     name);
    appendItem(general, "Artist",    artist);
    appendItem(general, "Copyright", copyright);

    KFileMetaInfoGroup tech = appendGroup(info, "Technical");

    appendItem(tech, "Version",         version);
    appendItem(tech, "Number of Songs", num_songs);
    appendItem(tech, "Start Song", start_song);

    kdDebug(7034) << "reading finished\n";
    return true;
}

bool KSidPlugin::writeInfo(const KFileMetaInfo& info) const
{
    kdDebug(7034) << k_funcinfo << endl;

    char name[32] = {0};
    char artist[32] = {0};
    char copyright[32] = {0};

    int file = 0;
    TQString s;
        
    KFileMetaInfoGroup group = info.group("General");
    if (!group.isValid())
        goto failure;

    s = group.item("Title").value().toString();
    if (s.isNull()) goto failure;
    strncpy(name, s.local8Bit(), 31);
    
    s = group.item("Artist").value().toString();
    if (s.isNull()) goto failure;
    strncpy(artist, s.local8Bit(), 31);
    
    s = group.item("Copyright").value().toString();
    if (s.isNull()) goto failure;
    strncpy(copyright, s.local8Bit(), 31);
    
    kdDebug(7034) << "Opening sid file " << info.path() << endl;
    file = ::open(TQFile::encodeName(info.path()), O_WRONLY);
    //name
    if (-1 == ::lseek(file, 0x16, SEEK_SET))
        goto failure;
    if (32 != ::write(file, name, 32))
        goto failure;

    //artist
    if (32 != ::write(file, artist, 32))
        goto failure;

    //copyright
    if (32 != write(file, copyright, 32))
        goto failure;

    close(file);
    return true;

failure:
    if (file) close(file);
    kdDebug(7034) << "something went wrong writing to sid file\n";
    return false;
}

TQValidator*
KSidPlugin::createValidator(const TQString& /*mimetype*/, const TQString& group,
                            const TQString& /*key*/, TQObject* tqparent,
                            const char* name) const
{
    kdDebug(7034) << k_funcinfo << endl;
    // all items in "General" group are strings of max lenght 31
    if (group == "General")
        return new TQRegExpValidator(TQRegExp(".{,31}"), tqparent, name);
    // all others are read-only
    return 0;
}



#include "kfile_sid.moc"