pollymc/launcher/Version.cpp

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#include "Version.h"
#include <QStringList>
#include <QUrl>
#include <QRegularExpression>
#include <QRegularExpressionMatch>
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Version::Version(const QString &str) : m_string(str)
{
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parse();
}
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bool Version::operator<(const Version &other) const
{
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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;
}
}
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return false;
}
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bool Version::operator<=(const Version &other) const
{
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return *this < other || *this == other;
}
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bool Version::operator>(const Version &other) const
{
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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;
}
}
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return false;
}
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bool Version::operator>=(const Version &other) const
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{
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return *this > other || *this == other;
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}
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bool Version::operator==(const Version &other) const
{
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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;
}
}
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return true;
}
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bool Version::operator!=(const Version &other) const
{
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return !operator==(other);
}
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void Version::parse()
{
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m_sections.clear();
QString currentSection;
bool lastCharWasDigit = false;
for (int i = 0; i < m_string.size(); ++i) {
if(m_string[i].isDigit()){
if(!lastCharWasDigit){
if(!currentSection.isEmpty()){
m_sections.append(Section(currentSection));
}
currentSection = "";
}
currentSection += m_string[i];
lastCharWasDigit = true;
}else if(m_string[i].isLetter()){
if(lastCharWasDigit){
if(!currentSection.isEmpty()){
m_sections.append(Section(currentSection));
}
currentSection = "";
}
currentSection += m_string[i];
lastCharWasDigit = false;
}
else if(m_string[i] == '.' || m_string[i] == '-' || m_string[i] == '_'){
if(!currentSection.isEmpty()){
m_sections.append(Section(currentSection));
}
currentSection = "";
}
}
if (!currentSection.isEmpty()) {
m_sections.append(Section(currentSection));
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}
}