Add a MMC-depend field (soft/hard) for version checking

3 files changed, 251 insertions, 0 deletions

diff --git a/depends/util/CMakeLists.txt b/depends/util/CMakeLists.txt
index db7d70e6..7f6573bd 100644
--- a/depends/util/CMakeLists.txt
+++ b/depends/util/CMakeLists.txt
@@ -35,6 +35,9 @@ src/userutils.cpp
 
 include/cmdutils.h
 src/cmdutils.cpp
+
+include/modutils.h
+src/modutils.cpp
 )
 
 # Set the include dir path.
diff --git a/depends/util/include/modutils.h b/depends/util/include/modutils.h
new file mode 100644
index 00000000..e04db66f
--- /dev/null
+++ b/depends/util/include/modutils.h
@@ -0,0 +1,32 @@
+#pragma once
+
+#include <QString>
+#include "libutil_config.h"
+
+class QUrl;
+
+namespace Util
+{
+struct Version
+{
+	Version(const QString &str);
+
+	bool operator<(const Version &other) const;
+	bool operator<=(const Version &other) const;
+	bool operator>(const Version &other) const;
+	bool operator==(const Version &other) const;
+	bool operator!=(const Version &other) const;
+
+	QString toString() const
+	{
+		return m_string;
+	}
+
+private:
+	QString m_string;
+};
+
+LIBUTIL_EXPORT QUrl expandQMURL(const QString &in);
+LIBUTIL_EXPORT bool versionIsInInterval(const QString &version, const QString &interval);
+}
+
diff --git a/depends/util/src/modutils.cpp b/depends/util/src/modutils.cpp
new file mode 100644
index 00000000..44a04b72
--- /dev/null
+++ b/depends/util/src/modutils.cpp
@@ -0,0 +1,216 @@
+#include "include/modutils.h"
+
+#include <QStringList>
+#include <QUrl>
+#include <QRegularExpression>
+#include <QRegularExpressionMatch>
+
+Util::Version::Version(const QString &str) : m_string(str)
+{
+}
+
+bool Util::Version::operator<(const Version &other) const
+{
+	QStringList parts1 = m_string.split('.');
+	QStringList parts2 = other.m_string.split('.');
+
+	while (!parts1.isEmpty() && !parts2.isEmpty())
+	{
+		QString part1 = parts1.isEmpty() ? "0" : parts1.takeFirst();
+		QString part2 = parts2.isEmpty() ? "0" : parts2.takeFirst();
+		bool ok1 = false;
+		bool ok2 = false;
+		int int1 = part1.toInt(&ok1);
+		int int2 = part2.toInt(&ok2);
+		if (ok1 && ok2)
+		{
+			if (int1 == int2)
+			{
+				continue;
+			}
+			else
+			{
+				return int1 < int2;
+			}
+		}
+		else
+		{
+			if (part1 == part2)
+			{
+				continue;
+			}
+			else
+			{
+				return part1 < part2;
+			}
+		}
+	}
+
+	return false;
+}
+bool Util::Version::operator<=(const Util::Version &other) const
+{
+	return *this < other || *this == other;
+}
+bool Util::Version::operator>(const Version &other) const
+{
+	QStringList parts1 = m_string.split('.');
+	QStringList parts2 = other.m_string.split('.');
+
+	while (!parts1.isEmpty() && !parts2.isEmpty())
+	{
+		QString part1 = parts1.isEmpty() ? "0" : parts1.takeFirst();
+		QString part2 = parts2.isEmpty() ? "0" : parts2.takeFirst();
+		bool ok1 = false;
+		bool ok2 = false;
+		int int1 = part1.toInt(&ok1);
+		int int2 = part2.toInt(&ok2);
+		if (ok1 && ok2)
+		{
+			if (int1 == int2)
+			{
+				continue;
+			}
+			else
+			{
+				return int1 > int2;
+			}
+		}
+		else
+		{
+			if (part1 == part2)
+			{
+				continue;
+			}
+			else
+			{
+				return part1 > part2;
+			}
+		}
+	}
+
+	return false;
+}
+bool Util::Version::operator==(const Version &other) const
+{
+	QStringList parts1 = m_string.split('.');
+	QStringList parts2 = other.m_string.split('.');
+
+	while (!parts1.isEmpty() && !parts2.isEmpty())
+	{
+		QString part1 = parts1.isEmpty() ? "0" : parts1.takeFirst();
+		QString part2 = parts2.isEmpty() ? "0" : parts2.takeFirst();
+		bool ok1 = false;
+		bool ok2 = false;
+		int int1 = part1.toInt(&ok1);
+		int int2 = part2.toInt(&ok2);
+		if (ok1 && ok2)
+		{
+			if (int1 == int2)
+			{
+				continue;
+			}
+			else
+			{
+				return false;
+			}
+		}
+		else
+		{
+			if (part1 == part2)
+			{
+				continue;
+			}
+			else
+			{
+				return false;
+			}
+		}
+	}
+
+	return true;
+}
+bool Util::Version::operator!=(const Version &other) const
+{
+	return !operator==(other);
+}
+
+QUrl Util::expandQMURL(const QString &in)
+{
+	QUrl inUrl(in);
+	if (inUrl.scheme() == "github")
+	{
+		// needed because QUrl makes the host all lower cases
+		const QString repo = in.mid(in.indexOf(inUrl.host(), 0, Qt::CaseInsensitive), inUrl.host().size());
+		QUrl out;
+		out.setScheme("https");
+		out.setHost("raw.github.com");
+		out.setPath(QString("/%1/%2/%3%4")
+						.arg(inUrl.userInfo(), repo,
+							 inUrl.fragment().isEmpty() ? "master" : inUrl.fragment(), inUrl.path()));
+		return out;
+	}
+	else if (inUrl.scheme() == "mcf")
+	{
+		QUrl out;
+		out.setScheme("http");
+		out.setHost("www.minecraftforum.net");
+		out.setPath(QString("/topic/%1-").arg(inUrl.path()));
+		return out;
+	}
+	else
+	{
+		return in;
+	}
+}
+
+bool Util::versionIsInInterval(const QString &version, const QString &interval)
+{
+	if (interval.isEmpty() || version == 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())
+		{
+			if ((start == '[') && !(version >= bottom))
+			{
+				return false;
+			}
+			else if ((start == '(') && !(version > bottom))
+			{
+				return false;
+			}
+		}
+
+		// check if in range (top)
+		if (!top.isEmpty())
+		{
+			if ((end == ']') && !(version <= top))
+			{
+				return false;
+			}
+			else if ((end == ')') && !(version < top))
+			{
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	return false;
+}
+