1 files changed, 85 insertions, 0 deletions
diff --git a/launcher/Version.cpp b/launcher/Version.cpp
new file mode 100644
index 00000000..6392a50f
--- /dev/null
+++ b/launcher/Version.cpp
@@ -0,0 +1,85 @@
+#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();
+
+    // FIXME: this is bad. versions can contain a lot more separators...
+    QStringList parts = m_string.split('.');
+
+    for (const auto &part : parts)
+    {
+        m_sections.append(Section(part));
+    }
+}