bool Dependency::test(const Version& v) const
{
int a = v.compare(this->min);
int b = v.compare(this->max);
bool low;
if (minIncluded)
low = a >= 0;
else
low = a > 0;
bool high;
if (maxIncluded)
high = b <= 0;
else
high = b < 0;
return low && high;
}
QString InstalledPackages::findPath_npackdcl(const Dependency& dep)
{
QString ret;
QString err;
WindowsRegistry packagesWR;
LONG e;
err = packagesWR.open(HKEY_LOCAL_MACHINE,
"SOFTWARE\\Npackd\\Npackd\\Packages", false, KEY_READ, &e);
if (e == ERROR_FILE_NOT_FOUND || e == ERROR_PATH_NOT_FOUND) {
err = "";
} else if (err.isEmpty()) {
Version found = Version::EMPTY;
QStringList entries = packagesWR.list(&err);
for (int i = 0; i < entries.count(); ++i) {
QString name = entries.at(i);
int pos = name.lastIndexOf("-");
if (pos <= 0)
continue;
QString packageName = name.left(pos);
if (packageName != dep.package)
continue;
QString versionName = name.right(name.length() - pos - 1);
Version version;
if (!version.setVersion(versionName))
continue;
if (!dep.test(version))
continue;
if (found != Version::EMPTY) {
if (version.compare(found) < 0)
continue;
}
WindowsRegistry entryWR;
err = entryWR.open(packagesWR, name, KEY_READ);
if (!err.isEmpty())
continue;
QString p = entryWR.get("Path", &err).trimmed();
if (!err.isEmpty())
continue;
QString dir;
if (p.isEmpty())
dir = "";
else {
QDir d(p);
if (d.exists()) {
dir = p;
} else {
dir = "";
}
}
if (dir.isEmpty())
continue;
found = version;
ret = dir;
}
}
return ret;
}