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/>.
22 #include "unziphelper.h"
23 #include "../dataobjects/mediaimage.h"
24 #include "../dataobjects/filepathobject.h"
25 #include "../exceptions/emufrontexception.h"
27 const QString UnzipHelper::UNZIP_COMMAND = "unzip ";
28 const QString UnzipHelper::UNZIP_LIST_ARGS = "-lv ";
29 const QString UnzipHelper::UNZIP_EXTRACT_ARGS= "-qqo ";
31 UnzipHelper::UnzipHelper(QObject *parent) :
36 QMap<QString, EmuFrontObject*> UnzipHelper::listContents(const QString filePath, const FilePathObject *fp)
39 throw EmuFrontException(tr("Setup not available with %1.").arg(fp->getName()));
43 if (!fl.open(QIODevice::ReadOnly)) {
44 throw EmuFrontException(tr("Couldn't read file %1.").arg(filePath));
47 //Setup *sup = fp->getSetup();
48 QMap<QString, EmuFrontObject*> fileList;
51 command.append(UNZIP_COMMAND);
52 command.append(UNZIP_LIST_ARGS);
54 command.append(filePath);
56 //qDebug() << command;
58 // TODO: slot(s) for (start and) error signal(s)
59 bool procOk = waitForFinished();
61 throw EmuFrontException(tr("Listing information from file %1 failed with unzip.").arg(filePath));
63 QString err = readAllStandardError();
64 QString msg = readAllStandardOutput();
65 //qDebug() << "\nErrors:\n" << err << "\nMessage:\n" << msg;
69 The unzip output should have 8 columns, we need to collect the data from
70 size, crc-32 and name columns.
74 Length Method Size Cmpr Date Time CRC-32 Name
75 -------- ------ ------- ---- ---------- ----- -------- ----
76 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
77 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
78 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
79 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
80 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
81 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
82 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
83 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
84 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
85 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
86 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
87 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
88 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
89 -------- ------- --- -------
90 2273024 996859 56% 13 files
92 Here's a regex tested in VIM matching an entry line
93 /^\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\+.\+$
95 Here's a regex (tested in VIM) picking the three required fields, length, crc-32 and filename:
96 :%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
98 QStringList lines = msg.split('\n'
99 //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+.+$")
102 //QRegExp test("^\\s+\\d+\\s+[A-Za-z:]*\\s+\\d+\\s+\\d{1,3}%\\s+\\d{4}-\\d{2}-\\d{2}\\s+\\d{2}:\\d{2}\\s+[0-9a-f]{8}\\s+.+$");
103 QRegExp regExEntries(
105 "\\s*" // 1st empty space is optional!
106 "(\\d+)" // uncompressed "Length" in digits
108 "[A-Za-z:]*" // "Method"
110 "\\d+" // compressed "Size"
112 "\\d{1,3}%" // compression ratio
114 "\\d{2,4}-\\d{2}-\\d{2,4}" // date
116 "\\d{2}:\\d{2}" // time
118 "([0-9a-f]{8})" // CRC-32
120 "(\\S.*)" // at least one non whitespace character + optional other chars (including whitespace)
123 foreach(QString ln, lines) {
124 //if (!test.exactMatch(ln)) continue;
125 //qDebug() << "Current line is " << ln;
126 int pos = regExEntries.indexIn(ln);
128 //qDebug() << "Regex didn't match any entries.";
129 continue; // > no entries
131 entries = regExEntries.capturedTexts();
132 //qDebug() << "Got " << entries.count() << " entries.";
133 if (entries.count() < 4) continue;
134 QString filename = entries[3];
135 QString checksum = entries[2];
136 QString lenStr = entries[1];
138 int length = lenStr.toInt(&ok);
139 /*qDebug() << "Filename is " << filename << " checksum "
140 << checksum << " length " << length;*/
142 MediaImage *effo = new MediaImage(filename, checksum, length);
143 fileList[checksum] = effo;
146 //qDebug() << "File list has " << fileList.size() << " entries.";
151 Returns the exit code of the unzip process.
152 Throws EmuFrontException if filePath is not readable
153 or targetPath is not writable.
155 int UnzipHelper::extractAll(QString filePath, QString targetPath)
157 QFileInfo fp(filePath);
158 if (!fp.isReadable()) {
159 throw EmuFrontException(tr("Cannot read file %1.").arg(filePath));
161 QFileInfo tp(targetPath);
162 if (!tp.isWritable()) {
163 throw EmuFrontException(tr("Cannot write to %1.").arg(targetPath));
166 // unzip filepath -d targetpath
168 command.append(UNZIP_COMMAND);
169 command.append(UNZIP_EXTRACT_ARGS);
170 command.append("\"");
171 command.append(filePath);
172 command.append("\"");
173 command.append(" -d ");
174 command.append(targetPath);
175 //qDebug() << "Starting unzip command: " << command;
177 bool procOk = waitForFinished( ); // TODO: set timeout, now using default 30000ms
179 throw EmuFrontException(tr("Failed unzipping file '%1' to '%2'.").arg(filePath).arg(targetPath));