115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
#pragma once
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#include <QString>
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#include <QStringView>
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#include <QList>
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class QUrl;
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class Version
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{
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public:
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Version(const QString &str);
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Version() {}
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bool operator<(const Version &other) const;
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bool operator<=(const Version &other) const;
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bool operator>(const Version &other) const;
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bool operator>=(const Version &other) const;
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bool operator==(const Version &other) const;
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bool operator!=(const Version &other) const;
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QString toString() const
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{
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return m_string;
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}
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private:
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QString m_string;
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struct Section
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{
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explicit Section(const QString &fullString)
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{
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m_fullString = fullString;
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int cutoff = m_fullString.size();
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for(int i = 0; i < m_fullString.size(); i++)
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{
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if(!m_fullString[i].isDigit())
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{
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cutoff = i;
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break;
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}
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}
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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auto numPart = QStringView{m_fullString}.left(cutoff);
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#else
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auto numPart = m_fullString.leftRef(cutoff);
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#endif
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if(numPart.size())
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{
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numValid = true;
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m_numPart = numPart.toInt();
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}
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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auto stringPart = QStringView{m_fullString}.mid(cutoff);
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#else
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auto stringPart = m_fullString.midRef(cutoff);
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#endif
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if(stringPart.size())
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{
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m_stringPart = stringPart.toString();
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}
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}
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explicit Section() {}
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bool numValid = false;
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int m_numPart = 0;
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QString m_stringPart;
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QString m_fullString;
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inline bool operator!=(const Section &other) const
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{
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if(numValid && other.numValid)
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{
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return m_numPart != other.m_numPart || m_stringPart != other.m_stringPart;
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}
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else
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{
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return m_fullString != other.m_fullString;
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}
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}
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inline bool operator<(const Section &other) const
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{
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if(numValid && other.numValid)
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{
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if(m_numPart < other.m_numPart)
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return true;
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if(m_numPart == other.m_numPart && m_stringPart < other.m_stringPart)
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return true;
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return false;
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}
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else
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{
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return m_fullString < other.m_fullString;
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}
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}
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inline bool operator>(const Section &other) const
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{
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if(numValid && other.numValid)
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{
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if(m_numPart > other.m_numPart)
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return true;
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if(m_numPart == other.m_numPart && m_stringPart > other.m_stringPart)
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return true;
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return false;
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}
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else
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{
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return m_fullString > other.m_fullString;
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}
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}
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};
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QList<Section> m_sections;
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void parse();
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};
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