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 "mediaimage.h"
24 #include "filepathobject.h"
25 #include "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 /* Throws EmuFrontException */
37 QMap<QString, EmuFrontObject*> UnzipHelper::listContents(const QString filePath, const FilePathObject *fp)
40 throw EmuFrontException(tr("Setup not available with %1.").arg(fp->getName()));
44 if (!fl.open(QIODevice::ReadOnly)) {
45 throw EmuFrontException(tr("Couldn't read file %1.").arg(filePath));
48 //Setup *sup = fp->getSetup();
49 QMap<QString, EmuFrontObject*> fileList;
52 command.append(UNZIP_COMMAND);
53 command.append(UNZIP_LIST_ARGS);
55 command.append(filePath);
57 //qDebug() << command;
59 // TODO: slot(s) for (start and) error signal(s)
60 bool procOk = waitForFinished();
62 throw EmuFrontException(tr("Listing information from file %1 failed with unzip.").arg(filePath));
64 QString err = readAllStandardError();
65 QString msg = readAllStandardOutput();
66 //qDebug() << "\nErrors:\n" << err << "\nMessage:\n" << msg;
70 The unzip output should have 8 columns, we need to collect the data from
71 size, crc-32 and name columns.
75 Length Method Size Cmpr Date Time CRC-32 Name
76 -------- ------ ------- ---- ---------- ----- -------- ----
77 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
78 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
79 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
80 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
81 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
82 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
83 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
84 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
85 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
86 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
87 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
88 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
89 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
90 -------- ------- --- -------
91 2273024 996859 56% 13 files
93 Here's a regex tested in VIM matching an entry line
94 /^\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\+.\+$
96 Here's a regex (tested in VIM) picking the three required fields, length, crc-32 and filename:
97 :%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
99 QStringList lines = msg.split('\n'
100 //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+.+$")
103 //QRegExp test("^\\s+\\d+\\s+[A-Za-z:]*\\s+\\d+\\s+\\d{1,3}%\\s+\\d{4}-\\d{2}-\\d{2}\\s+\\d{2}:\\d{2}\\s+[0-9a-f]{8}\\s+.+$");
104 QRegExp regExEntries(
106 "\\s*" // 1st empty space is optional!
107 "(\\d+)" // uncompressed "Length" in digits
109 "[A-Za-z:]*" // "Method"
111 "\\d+" // compressed "Size"
113 "\\d{1,3}%" // compression ratio
115 "\\d{2,4}-\\d{2}-\\d{2,4}" // date
117 "\\d{2}:\\d{2}" // time
119 "([0-9a-f]{8})" // CRC-32
121 "(\\S.*)" // at least one non whitespace character + optional other chars (including whitespace)
124 foreach(QString ln, lines) {
125 //if (!test.exactMatch(ln)) continue;
126 //qDebug() << "Current line is " << ln;
127 int pos = regExEntries.indexIn(ln);
129 //qDebug() << "Regex didn't match any entries.";
130 continue; // > no entries
132 entries = regExEntries.capturedTexts();
133 //qDebug() << "Got " << entries.count() << " entries.";
134 if (entries.count() < 4) continue;
135 QString filename = entries[3];
136 QString checksum = entries[2];
137 QString lenStr = entries[1];
139 int length = lenStr.toInt(&ok);
140 /*qDebug() << "Filename is " << filename << " checksum "
141 << checksum << " length " << length;*/
143 MediaImage *effo = new MediaImage(filename, checksum, length);
144 fileList[checksum] = effo;
147 //qDebug() << "File list has " << fileList.size() << " entries.";
152 Returns the exit code of the unzip process.
153 Throws EmuFrontException if filePath is not readable
154 or targetPath is not writable.
156 int UnzipHelper::extractAll(QString filePath, QString targetPath)
158 QFileInfo fp(filePath);
159 if (!fp.isReadable()) {
160 throw EmuFrontException(tr("Cannot read file %1.").arg(filePath));
162 QFileInfo tp(targetPath);
163 if (!tp.isWritable()) {
164 throw EmuFrontException(tr("Cannot write to %1.").arg(targetPath));
167 // unzip filepath -d targetpath
169 command.append(UNZIP_COMMAND);
170 command.append(UNZIP_EXTRACT_ARGS);
171 command.append("\"");
172 command.append(filePath);
173 command.append("\"");
174 command.append(" -d ");
175 command.append(targetPath);
176 //qDebug() << "Starting unzip command: " << command;
178 bool procOk = waitForFinished( ); // TODO: set timeout, now using default 30000ms
180 throw EmuFrontException(tr("Failed unzipping file '%1' to '%2'.").arg(filePath).arg(targetPath));