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conversion.cpp
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conversion.cpp
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/*
DskToWoz2
Copyright © 2019, Christopher Alan Mosher, Shelton, CT, USA. <[email protected]>
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, either version 3 of the License, or
(at your option) any later version.
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. If not, see <http://www.gnu.org/licenses/>.
*/
#include "conversion.h"
#include <QString>
#include <QFile>
#include <QDir>
#include <QFileInfo>
static QFileInfo abs(const QFileInfo &f) {
QFileInfo t(f);
t.makeAbsolute();
return t;
}
static QString readDos(const QFileInfo &dsk) {
const qint64 size = dsk.size();
const bool d16 = (size == 0x23000u);
const bool d13 = (size == 0x1C700u);
if (!(d16 || d13)) {
return "";
}
QFile f(dsk.filePath());
if (!f.open(QIODevice::ReadOnly)) {
return "";
}
if (!f.seek(d16 ? 0x11001u : 0x0DD01u)) {
return "";
}
char b = 0;
f.read(&b, 1);
if (b != 0x11) {
return "";
}
if (!f.seek(d16 ? 0x11027 : 0x0DD27)) {
return "";
}
b = 0;
f.read(&b, 1);
if (b != 0x7A) {
return "";
}
f.seek(d16 ? 0x11003u : 0x0DD03u);
b = 0;
f.read(&b, 1);
b += '0';
if (b < '0' || '9' < b) {
b = '?';
}
return "DOS 3." + QString(b);
}
static bool calc13(const QFileInfo &dsk) {
const qint64 size = dsk.size();
return size == 0x1C700u;
}
Conversion::Conversion(const QFileInfo &filePath, const QFileInfo &root):
_root(abs(root)),
_dsk(abs(filePath)),
_woz(abs(filePath.filePath()+".woz")),
_dos(readDos(_dsk)),
_13(calc13(_dsk)) {
}
QFileInfo Conversion::dsk() const {
return this->_dsk;
}
QFileInfo Conversion::woz() const {
return this->_woz;
}
QFileInfo Conversion::root() const {
return this->_root;
}
QString Conversion::dos() const {
return this->_dos;
}
bool Conversion::ok() const {
return !this->_dos.isEmpty() && !this->_woz.exists();
}
bool Conversion::is13() const {
return this->_13;
}