pollymc/launcher/Version.cpp
Rachel Powers 7ed993b54e
fix: proper null padded version comparison
Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com>
2023-01-19 09:51:11 +02:00

116 lines
3.1 KiB
C++

#include "Version.h"
#include <QDebug>
#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("") : m_sections.at(i);
const Section sec2 =
(i >= other.m_sections.size()) ? Section("") : 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("") : m_sections.at(i);
const Section sec2 =
(i >= other.m_sections.size()) ? Section("") : 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("") : m_sections.at(i);
const Section sec2 =
(i >= other.m_sections.size()) ? Section("") : 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();
QString currentSection;
auto classChange = [](QChar lastChar, QChar currentChar) {
return !lastChar.isNull() && ((!lastChar.isDigit() && currentChar.isDigit()) || (lastChar.isDigit() && !currentChar.isDigit()));
};
for (int i = 0; i < m_string.size(); ++i) {
const auto& current_char = m_string.at(i);
if ((i > 0 && classChange(m_string.at(i - 1), current_char)) || current_char == '.' || current_char == '-' || current_char == '+') {
if (!currentSection.isEmpty()) {
m_sections.append(Section(currentSection));
}
currentSection = "";
}
currentSection += current_char;
}
if (!currentSection.isEmpty()) {
m_sections.append(Section(currentSection));
}
}
/// qDebug print support for the BlockedMod struct
QDebug operator<<(QDebug debug, const Version& v)
{
QDebugStateSaver saver(debug);
debug.nospace() << "Version{ string: " << v.toString() << ", sections: [ ";
bool first = true;
for (auto s : v.m_sections) {
if (!first) debug.nospace() << ", ";
debug.nospace() << s.m_fullString;
first = false;
}
debug.nospace() << " ]" << " }";
return debug;
}