Initial commit

engines/ags/shared/util/version.h

@@ -0,0 +1,104 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+//=============================================================================
+//
+// Class, depicting version of the AGS engine
+//
+//=============================================================================
+
+#ifndef AGS_SHARED_UTIL_VERSION_H
+#define AGS_SHARED_UTIL_VERSION_H
+
+#include "ags/shared/util/string.h"
+
+namespace AGS3 {
+namespace AGS {
+namespace Shared {
+
+using Shared::String;
+
+struct Version {
+	int32_t Major;
+	int32_t Minor;
+	int32_t Release;
+	int32_t Revision;
+	String  Special;
+	String  BuildInfo;
+
+	String  LongString;
+	String  ShortString;
+	String  BackwardCompatibleString;
+
+	Version();
+	Version(int32_t major, int32_t minor, int32_t release);
+	Version(int32_t major, int32_t minor, int32_t release, int32_t revision);
+	Version(int32_t major, int32_t minor, int32_t release, int32_t revision, const String &special);
+	Version(int32_t major, int32_t minor, int32_t release, int32_t revision, const String &special, const String &build_info);
+	Version(const String &version_string);
+
+	inline int32_t AsNumber() const {
+		return Major * 10000 + Minor * 100 + Release;
+	}
+
+	inline int64_t AsLongNumber() const {
+		return (int64_t)Major * 100000000L + (int64_t)Minor * 1000000L + (int64_t)Release * 10000L + Revision;
+	}
+
+	inline int32_t AsSmallNumber() const {
+		return Major * 100 + Minor;
+	}
+
+	void SetFromString(const String &version_string);
+
+	inline bool operator < (const Version &other) const {
+		return AsLongNumber() < other.AsLongNumber();
+	}
+
+	inline bool operator <= (const Version &other) const {
+		return AsLongNumber() <= other.AsLongNumber();
+	}
+
+	inline bool operator > (const Version &other) const {
+		return AsLongNumber() > other.AsLongNumber();
+	}
+
+	inline bool operator >= (const Version &other) const {
+		return AsLongNumber() >= other.AsLongNumber();
+	}
+
+	inline bool operator == (const Version &other) const {
+		return AsLongNumber() == other.AsLongNumber();
+	}
+
+	inline bool operator != (const Version &other) const {
+		return AsLongNumber() != other.AsLongNumber();
+	}
+
+private:
+	void MakeString();
+};
+
+} // namespace Shared
+} // namespace AGS
+} // namespace AGS3
+
+#endif