2 // Copyright 2010 Mikko Keinänen
4 // This file is part of EmuFront.
7 // EmuFront is free software: you can redistribute it and/or modify
8 // it under the terms of the GNU General Public License version 2 as published by
9 // the Free Software Foundation and appearing in the file gpl.txt included in the
10 // packaging of this file.
12 // EmuFront is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with EmuFront. If not, see <http://www.gnu.org/licenses/>.
24 #include "zlib.h" /* crc32 */
25 //#include "OSDaB-Zip/unzip.h"
26 #include "../exceptions/emufrontexception.h"
27 #include "../dataobjects/setup.h"
28 #include "../dataobjects/mediaimage.h"
29 #include "../dataobjects/mediaimagecontainer.h"
30 #include "../dataobjects/mediatype.h"
31 #include "../dataobjects/platform.h"
32 #include "../db/dbmediaimagecontainer.h"
34 //int FileUtil::MIC_BUFFER_SIZE = 50;
36 const QString FileUtil::UNZIP_COMMAND = "unzip ";
37 const QString FileUtil::UNZIP_LIST_ARGS = "-lv ";
39 FileUtil::FileUtil(QObject *parent) : QObject(parent)
41 buf = new char[READ_BUFFER];
49 /* Throws EmuFrontException */
50 int FileUtil::scanFilePath(FilePathObject *fp, QStringList filters, DbMediaImageContainer *dbMic)
53 throw EmuFrontException(tr("Setup not available with %1.").arg(fp->getName()));
55 else if(!fp->getSetup()->getPlatform()){
56 throw EmuFrontException(tr("No platform object available with %1.")
57 .arg(fp->getSetup()->getName()));
59 else if (!fp->getSetup()->getMediaType()){
60 throw new EmuFrontException(tr("No media type available with %1.")
61 .arg(fp->getSetup()->getName()));
64 qDebug() << QString("We have a platform %1, media type %2")
65 .arg(fp->getSetup()->getPlatform()->getName())
66 .arg(fp->getSetup()->getMediaType()->getName());
67 QDir dir(fp->getName());
68 if (!dir.exists() || !dir.isReadable())
69 throw EmuFrontException(tr("Directory %1 doesn't exists or isn't readable!").arg(fp->getName()));
71 qDebug() << QString("Scanning directory %1.").arg(fp->getName());
72 dir.setFilter(QDir::Files | QDir::NoSymLinks | QDir::NoDotAndDotDot | QDir::Readable);
74 if (filters.count() > 0) dir.setNameFilters(filters);
76 // we'll go through the filtered archive files...
77 QFileInfoList list = dir.entryInfoList();
78 // TODO: only a buffer of objects should be kept here,
79 // and write to database each time the buffer is filled.
80 QList<MediaImageContainer*> containers;
81 for (int i = 0; i < list.size(); ++i)
83 QFileInfo fileInfo = list.at(i);
84 qDebug() << QString("%1 %2").arg(fileInfo.size(), 10).arg(fileInfo.absoluteFilePath());
86 //... and collect the contents of each archive
87 QList<MediaImage*> files = listContents(fileInfo.absoluteFilePath(), fp);
89 if (files.count() > 0)
91 // read crc32 checksum for media image container
92 quint32 crc = readCrc32(fileInfo.absoluteFilePath());
93 FilePathObject *fpo = new FilePathObject(*fp);
94 MediaImageContainer *con = new MediaImageContainer (
96 QString("%1").arg(crc, 0, 16),
99 fpo // we need a copy since MediaImageContainers are deleted and the original filepath object would get deleted also.
101 containers.append(con);
103 qDebug() << "We have " << containers.count() << " containers.";
105 if (containers.count() >= MIC_BUFFER_SIZE) {
106 qDebug() << "We have " << containers.count()
107 << " containers .. storing to db.";
108 dbMic->storeContainers(containers, fp);
109 qDeleteAll(containers);
111 qDebug() << "containers now: " << containers.count();
113 qDebug() << "We have " << containers.size() << " containers.";
116 if (containers.count() > 0) {
117 qDebug() << "Storing the rest " << containers.count() << " containers.";
118 dbMic->storeContainers(containers, fp);
119 qDeleteAll(containers);
123 qDebug() << "Done scanning files!";
127 /* Uses crc32 from zlib.h to count crc32 checksum value */
128 quint32 FileUtil::readCrc32(QString filePath)
130 // todo ... use some crc32 tool for this ... or maybe use md5 or something like that!!!
131 QFile file(filePath);
132 qDebug() << "readCrc32: " << filePath;
133 if (!file.open(QIODevice::ReadOnly)) {
134 throw new EmuFrontException(QString(tr("Failed opening file %1 for reading the checksum!")).arg(filePath));
136 quint32 crc = crc32(0L, Z_NULL, 0);
138 while((read = file.read(buf, READ_BUFFER))) {
139 crc = crc32(crc, (const Bytef*) buf, read);
143 throw new EmuFrontException(QString(tr("Failed reading crc checksum for file %1!")).arg(filePath));
144 qDebug() << QString("readCrc32, crc: %1").arg(crc, 0, 16);
148 QList<MediaImage*> FileUtil::listContents(const QString filePath, const FilePathObject *fp)
150 if (!fp->getSetup()){
151 throw EmuFrontException(tr("Setup not available with %1.").arg(fp->getName()));
155 if (!fl.open(QIODevice::ReadOnly)) {
156 throw new EmuFrontException(tr("Couldn't read file %1.").arg(filePath));
159 Setup *sup = fp->getSetup();
160 QList<MediaImage*> fileList;
164 command.append(UNZIP_COMMAND);
165 command.append(UNZIP_LIST_ARGS);
166 command.append("\"");
167 command.append(filePath);
168 command.append("\"");
171 bool procOk = proc.waitForFinished();
173 throw new EmuFrontException(tr("Listing information from file %1 failed with unzip.").arg(filePath));
175 QString err = proc.readAllStandardError();
176 QString msg = proc.readAllStandardOutput();
177 qDebug() << "\nErrors:\n" << err << "\nMessage:\n" << msg;
181 The unzip output should have 8 columns, we need to collect the data from
182 size, crc-32 and name columns.
186 Length Method Size Cmpr Date Time CRC-32 Name
187 -------- ------ ------- ---- ---------- ----- -------- ----
188 174848 Defl:N 21936 88% 1996-12-24 23:32 cd68329c Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 1 of 2 Side A)(Boot).d64
189 174848 Defl:N 21949 87% 1996-12-24 23:32 dc0d89f8 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 1 of 2 Side A)(Boot)[a].d64
190 174848 Defl:N 81818 53% 1996-12-24 23:32 a11bc616 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 1 of 2 Side A)(Boot)[cr ESI].d64
191 174848 Defl:N 48833 72% 1996-12-24 23:32 0815053d Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 1 of 2 Side A)(Boot)[cr SCI].d64
192 174848 Defl:N 105964 39% 1996-12-24 23:32 0c943d80 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 1 of 2 Side A)[cr Ikari].d64
193 174848 Defl:N 17876 90% 1996-12-24 23:32 51397eb8 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 1 of 2 Side B)[cr SCI].d64
194 174848 Defl:N 106231 39% 1996-12-24 23:32 0efadb0a Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side A).d64
195 174848 Defl:N 105974 39% 1996-12-24 23:32 6935c3e7 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side A)[a].d64
196 174848 Defl:N 105963 39% 1996-12-24 23:32 1e9c31de Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side A)[cr ESI].d64
197 174848 Defl:N 26294 85% 1996-12-24 23:32 ba5fdfdd Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side A)[cr Ikari].d64
198 174848 Defl:N 117996 33% 1996-12-24 23:32 efbf3fd6 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side B).d64
199 174848 Defl:N 118015 33% 1996-12-24 23:32 c9541ecd Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side B)[a].d64
200 174848 Defl:N 118010 33% 1996-12-24 23:32 68341056 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side B)[cr ESI].d64
201 -------- ------- --- -------
202 2273024 996859 56% 13 files
204 Here's a regex tested in VIM matching an entry line
205 /^\s\+\d\+\s\+[A-Za-z:]*\s\+\d\+\s\+\d\{1,3}%\s\+\d\{4}-\d\{2}-\d\{2}\s\+\d\{2}:\d\{2}\s\+[0-9a-f]\{8}\s\+.\+$
207 Here's a regex (tested in VIM) picking the three required fields, length, crc-32 and filename:
208 :%s/^\s\+\(\d\+\)\s\+[A-Za-z:]*\s\+\d\+\s\+\d\{1,3}%\s\+\d\{4}-\d\{2}-\d\{2}\s\+\d\{2}:\d\{2}\s\+\([0-9a-f]\{8}\)\s\+\(.*$\)/\1 \2 \3/gc
210 QStringList lines = msg.split('\n'
211 //QRegExp("^\\s+\\d+\\s+[A-Za-z:]*\\s+\\d+\\s+\\d{1,3}%\\s+\\d{4}-\\d{2}-\\d{2}\\s+\\d{2}:\\d{2}\\s+[0-9a-f]{8}\\s+.+$")
214 QRegExp test("^\\s+\\d+\\s+[A-Za-z:]*\\s+\\d+\\s+\\d{1,3}%\\s+\\d{4}-\\d{2}-\\d{2}\\s+\\d{2}:\\d{2}\\s+[0-9a-f]{8}\\s+.+$");
215 QRegExp regExEntries("^\\s+(\\d+)\\s+[A-Za-z:]*\\s+\\d+\\s+\\d{1,3}%\\s+\\d{4}-\\d{2}-\\d{2}\\s+\\d{2}:\\d{2}\\s+([0-9a-f]{8})\\s+(.+)$");
216 foreach(QString ln, lines) {
217 if (!test.exactMatch(ln)) continue;
218 int pos = regExEntries.indexIn(ln);
219 if (regExEntries.captureCount() != 3) {
221 //throw new EmuFrontException(tr("Failed to read needed data from file %1.").arg(filePath));
223 entries = regExEntries.capturedTexts();
224 if (entries.count() < 4) continue;
225 QString filename = entries[3];
226 QString checksum = entries[2];
227 QString lenStr = entries[1];
229 int length = lenStr.toInt(&ok);
231 MediaImage *effo = new MediaImage(filename, checksum, length);
235 UnZip::ErrorCode ec = uz.openArchive(filePath);
237 throw EmuFrontException(tr("Error while opening zip-file %1, error code %2").arg(filePath).arg(ec));
239 QList<UnZip::ZipEntry> list = uz.entryList();
240 foreach(UnZip::ZipEntry entry, list)
242 qDebug() << "Zip entry " << entry.filename;
243 if (isSupportedFile(entry.filename, sup->getSupportedFileTypeExtensions()))
245 QString checksum = QString("%1").arg(entry.crc32, 0, 16);
246 qDebug() << "Checksum " << checksum;
247 MediaImage *effo = new MediaImage(entry.filename,
248 checksum, entry.uncompressedSize);
253 qDebug() << "File list has " << fileList.size() << " entries.";
258 bool FileUtil::isSupportedFile(const QString filename, const QStringList supportedFileExtensions)
260 QString ext = filename.section('.', -1);
261 return supportedFileExtensions.contains(ext, Qt::CaseInsensitive);