YQL-16239 Move purecalc to public

1 files changed, 28 insertions, 0 deletions

diff --git a/library/cpp/geo/polygon.cpp b/library/cpp/geo/polygon.cpp
new file mode 100644
index 00000000000..44e5c38b5f6
--- /dev/null
+++ b/library/cpp/geo/polygon.cpp
@@ -0,0 +1,28 @@
+#include "polygon.h"
+namespace NGeo {
+    TMaybe<TGeoPolygon> TGeoPolygon::TryParse(TStringBuf s, TStringBuf llDelimiter, TStringBuf pointsDelimiter) {
+        TVector<TGeoPoint> points;
+
+        for (const auto& pointString : StringSplitter(s).SplitByString(pointsDelimiter).SkipEmpty()) {
+            auto curPoint = TGeoPoint::TryParse(pointString.Token(), llDelimiter);
+            if (!curPoint) {
+                return {};
+            }
+            points.push_back(*curPoint);
+        }
+
+        if (points.size() < 3) {
+            return {};
+        }
+
+        return TGeoPolygon(points);
+    }
+
+    TGeoPolygon TGeoPolygon::Parse(TStringBuf s, TStringBuf llDelimiter, TStringBuf pointsDelimiter) {
+        auto res = TGeoPolygon::TryParse(s, llDelimiter, pointsDelimiter);
+        if (!res) {
+            ythrow yexception() << "Can't parse polygon from input string: " << s;
+        }
+        return *res;
+    }
+} // namespace NGeo