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1 files changed, 40 insertions, 0 deletions

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+#ifndef VERSION_H_C757E53C
+#define VERSION_H_C757E53C
+
+#include <iostream>
+#include <regex>
+
+struct Version {
+  int major = 0;
+  int minor = 0;
+  int revision = 0;
+
+  constexpr Version(int major_arg, int minor_arg, int rev_arg)
+      : major(major_arg), minor(minor_arg), revision(rev_arg) {}
+
+  Version(const std::string& ver_str) {
+    const std::regex version_regex("v([0-9]*)\.([0-9]*)\.([0-9]*)");
+    std::smatch version_match;
+
+    if (std::regex_match(ver_str, version_match, version_regex)) {
+      major = std::atoi(version_match[1].str().c_str());
+      minor = std::atoi(version_match[2].str().c_str());
+      revision = std::atoi(version_match[3].str().c_str());
+    }
+  }
+
+  bool operator<(const Version& rhs) const {
+    return (major < rhs.major) ||
+           (major == rhs.major &&
+            (minor < rhs.minor ||
+             (minor == rhs.minor && revision < rhs.revision)));
+  }
+};
+
+std::ostream& operator<<(std::ostream& out, const Version& ver) {
+  return out << "v" << ver.major << "." << ver.minor << "." << ver.revision;
+}
+
+constexpr const Version kTrackerVersion = Version(0, 1, 0);
+
+#endif /* end of include guard: VERSION_H_C757E53C */
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