MultiMC5/logic/Version.cpp
2015-10-05 01:47:27 +02:00

141 lines
3.1 KiB
C++

#include "Version.h"
#include <QStringList>
#include <QUrl>
#include <QRegularExpression>
#include <QRegularExpressionMatch>
Version::Version(const QString &str) : m_string(str)
{
parse();
}
bool Version::operator<(const Version &other) const
{
const int size = qMax(m_sections.size(), other.m_sections.size());
for (int i = 0; i < size; ++i)
{
const Section sec1 = (i >= m_sections.size()) ? Section("0") : m_sections.at(i);
const Section sec2 =
(i >= other.m_sections.size()) ? Section("0") : other.m_sections.at(i);
if (sec1 != sec2)
{
return sec1 < sec2;
}
}
return false;
}
bool Version::operator<=(const Version &other) const
{
return *this < other || *this == other;
}
bool Version::operator>(const Version &other) const
{
const int size = qMax(m_sections.size(), other.m_sections.size());
for (int i = 0; i < size; ++i)
{
const Section sec1 = (i >= m_sections.size()) ? Section("0") : m_sections.at(i);
const Section sec2 =
(i >= other.m_sections.size()) ? Section("0") : other.m_sections.at(i);
if (sec1 != sec2)
{
return sec1 > sec2;
}
}
return false;
}
bool Version::operator>=(const Version &other) const
{
return *this > other || *this == other;
}
bool Version::operator==(const Version &other) const
{
const int size = qMax(m_sections.size(), other.m_sections.size());
for (int i = 0; i < size; ++i)
{
const Section sec1 = (i >= m_sections.size()) ? Section("0") : m_sections.at(i);
const Section sec2 =
(i >= other.m_sections.size()) ? Section("0") : other.m_sections.at(i);
if (sec1 != sec2)
{
return false;
}
}
return true;
}
bool Version::operator!=(const Version &other) const
{
return !operator==(other);
}
void Version::parse()
{
m_sections.clear();
QStringList parts = m_string.split('.');
for (const auto part : parts)
{
m_sections.append(Section(part));
}
}
bool versionIsInInterval(const QString &version, const QString &interval)
{
return versionIsInInterval(Version(version), interval);
}
bool versionIsInInterval(const Version &version, const QString &interval)
{
if (interval.isEmpty() || version.toString() == interval)
{
return true;
}
// Interval notation is used
QRegularExpression exp(
"(?<start>[\\[\\]\\(\\)])(?<bottom>.*?)(,(?<top>.*?))?(?<end>[\\[\\]\\(\\)]),?");
QRegularExpressionMatch match = exp.match(interval);
if (match.hasMatch())
{
const QChar start = match.captured("start").at(0);
const QChar end = match.captured("end").at(0);
const QString bottom = match.captured("bottom");
const QString top = match.captured("top");
// check if in range (bottom)
if (!bottom.isEmpty())
{
const auto bottomVersion = Version(bottom);
if ((start == '[') && !(version >= bottomVersion))
{
return false;
}
else if ((start == '(') && !(version > bottomVersion))
{
return false;
}
}
// check if in range (top)
if (!top.isEmpty())
{
const auto topVersion = Version(top);
if ((end == ']') && !(version <= topVersion))
{
return false;
}
else if ((end == ')') && !(version < topVersion))
{
return false;
}
}
return true;
}
return false;
}