3 ** Copyright 2010 Mikko Keinänen
5 ** This file is part of EmuFront.
8 ** EmuFront is free software: you can redistribute it and/or modify
9 ** it under the terms of the GNU General Public License version 2 as published by
10 ** the Free Software Foundation and appearing in the file gpl.txt included in the
11 ** packaging of this file.
13 ** EmuFront is distributed in the hope that it will be useful,
14 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
15 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 ** GNU General Public License for more details.
18 ** You should have received a copy of the GNU General Public License
19 ** along with EmuFront. If not, see <http://www.gnu.org/licenses/>.
23 #include "unziphelper.h"
24 #include "mediaimage.h"
25 #include "filepathobject.h"
26 #include "emufrontexception.h"
28 const QString UnzipHelper::UNZIP_COMMAND = "unzip ";
29 const QString UnzipHelper::UNZIP_LIST_ARGS = "-lv ";
30 const QString UnzipHelper::UNZIP_EXTRACT_ARGS= "-qqo ";
32 UnzipHelper::UnzipHelper(QObject *parent) :
37 /* Throws EmuFrontException */
38 QMap<QString, EmuFrontObject*> UnzipHelper::listContents(const QString filePath, const FilePathObject *fp)
41 throw EmuFrontException(tr("Setup not available with %1.").arg(fp->getName()));
45 if (!fl.open(QIODevice::ReadOnly)) {
46 throw EmuFrontException(tr("Couldn't read file %1.").arg(filePath));
49 //Setup *sup = fp->getSetup();
50 QMap<QString, EmuFrontObject*> fileList;
53 command.append(UNZIP_COMMAND);
54 command.append(UNZIP_LIST_ARGS);
56 command.append(filePath);
58 //qDebug() << command;
60 // TODO: slot(s) for (start and) error signal(s)
61 bool procOk = waitForFinished();
63 throw EmuFrontException(tr("Listing information from file %1 failed with unzip.").arg(filePath));
65 QString err = readAllStandardError();
66 QString msg = readAllStandardOutput();
67 //qDebug() << "\nErrors:\n" << err << "\nMessage:\n" << msg;
71 The unzip output should have 8 columns, we need to collect the data from
72 size, crc-32 and name columns.
76 Length Method Size Cmpr Date Time CRC-32 Name
77 -------- ------ ------- ---- ---------- ----- -------- ----
78 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
79 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
80 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
81 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
82 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
83 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
84 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
85 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
86 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
87 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
88 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
89 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
90 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
91 -------- ------- --- -------
92 2273024 996859 56% 13 files
94 Here's a regex tested in VIM matching an entry line
95 /^\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\+.\+$
97 Here's a regex (tested in VIM) picking the three required fields, length, crc-32 and filename:
98 :%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
100 QStringList lines = msg.split('\n'
101 //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+.+$")
104 //QRegExp test("^\\s+\\d+\\s+[A-Za-z:]*\\s+\\d+\\s+\\d{1,3}%\\s+\\d{4}-\\d{2}-\\d{2}\\s+\\d{2}:\\d{2}\\s+[0-9a-f]{8}\\s+.+$");
105 QRegExp regExEntries(
107 "\\s*" // 1st empty space is optional!
108 "(\\d+)" // uncompressed "Length" in digits
110 "[A-Za-z:]*" // "Method"
112 "\\d+" // compressed "Size"
114 "\\d{1,3}%" // compression ratio
116 "\\d{2,4}-\\d{2}-\\d{2,4}" // date
118 "\\d{2}:\\d{2}" // time
120 "([0-9a-f]{8})" // CRC-32
122 "(\\S.*)" // at least one non whitespace character + optional other chars (including whitespace)
125 foreach(QString ln, lines) {
126 //if (!test.exactMatch(ln)) continue;
127 //qDebug() << "Current line is " << ln;
128 int pos = regExEntries.indexIn(ln);
130 //qDebug() << "Regex didn't match any entries.";
131 continue; // > no entries
133 entries = regExEntries.capturedTexts();
134 //qDebug() << "Got " << entries.count() << " entries.";
135 if (entries.count() < 4) continue;
136 QString filename = entries[3];
137 QString checksum = entries[2];
138 QString lenStr = entries[1];
140 int length = lenStr.toInt(&ok);
141 /*qDebug() << "Filename is " << filename << " checksum "
142 << checksum << " length " << length;*/
144 MediaImage *effo = new MediaImage(filename, checksum, length);
145 fileList[checksum] = effo;
148 //qDebug() << "File list has " << fileList.size() << " entries.";
153 Returns the exit code of the unzip process.
154 Throws EmuFrontException if filePath is not readable
155 or targetPath is not writable.
157 int UnzipHelper::extractAll(QString filePath, QString targetPath)
159 QFileInfo fp(filePath);
160 if (!fp.isReadable()) {
161 throw EmuFrontException(tr("Cannot read file %1.").arg(filePath));
163 QFileInfo tp(targetPath);
164 if (!tp.isWritable()) {
165 throw EmuFrontException(tr("Cannot write to %1.").arg(targetPath));
168 // unzip filepath -d targetpath
170 command.append(UNZIP_COMMAND);
171 command.append(UNZIP_EXTRACT_ARGS);
172 command.append("\"");
173 command.append(filePath);
174 command.append("\"");
175 command.append(" -d ");
176 command.append(targetPath);
177 //qDebug() << "Starting unzip command: " << command;
179 bool procOk = waitForFinished( ); // TODO: set timeout, now using default 30000ms
181 throw EmuFrontException(tr("Failed unzipping file '%1' to '%2'.").arg(filePath).arg(targetPath));