[Groonga-commit] groonga/grnxx at 34d3ab6 [master] Add Vector<GeoPoint>. (#109)

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susumu.yata null+****@clear*****
Tue Dec 16 10:43:27 JST 2014


susumu.yata	2014-11-17 16:10:44 +0900 (Mon, 17 Nov 2014)

  New Revision: 34d3ab67bb93ba121676f646a31f570c7e89231a
  https://github.com/groonga/grnxx/commit/34d3ab67bb93ba121676f646a31f570c7e89231a

  Message:
    Add Vector<GeoPoint>. (#109)

  Modified files:
    include/grnxx/data_types/vector/geo_point.hpp

  Modified: include/grnxx/data_types/vector/geo_point.hpp (+58 -1)
===================================================================
--- include/grnxx/data_types/vector/geo_point.hpp    2014-11-17 15:59:14 +0900 (55251db)
+++ include/grnxx/data_types/vector/geo_point.hpp    2014-11-17 16:10:44 +0900 (db787e1)
@@ -12,10 +12,67 @@ template <typename T> class Vector;
 template <>
 class Vector<GeoPoint> {
  public:
-  // TODO
+  Vector() = default;
+  ~Vector() = default;
+
+  constexpr Vector(const Vector &) = default;
+  Vector &operator=(const Vector &) = default;
+
+  constexpr Vector(const GeoPoint *data, size_t size)
+      : data_(data),
+        size_(size) {}
+  explicit constexpr Vector(NA) : data_(nullptr), size_(NA()) {}
+
+  const GeoPoint &operator[](size_t i) const {
+    return data_[i];
+  }
+  constexpr const GeoPoint *data() const {
+    return data_;
+  }
+  constexpr Int size() const {
+    return size_;
+  }
+
+  constexpr bool is_empty() const {
+    return size_.value() == 0;
+  }
+  constexpr bool is_na() const {
+    return size_.is_na();
+  }
+
+  // TODO: The behavior of N/A in vector is not fixed yet (#107).
+  Bool operator==(const Vector &rhs) const {
+    Bool has_equal_size = (size_ == rhs.size_);
+    if (has_equal_size.is_true()) {
+      return Bool(std::memcmp(data_, rhs.data_,
+                              sizeof(GeoPoint) * size_.value()) == 0);
+    }
+    return has_equal_size;
+  }
+  // TODO: The behavior of N/A in vector is not fixed yet (#107).
+  Bool operator!=(const Vector &rhs) const {
+    Bool has_not_equal_size = (size_ != rhs.size_);
+    if (has_not_equal_size.is_false()) {
+      return Bool(std::memcmp(data_, rhs.data_,
+                              sizeof(GeoPoint) * size_.value()) != 0);
+    }
+    return has_not_equal_size;
+  }
+
   static constexpr DataType type() {
     return GEO_POINT_VECTOR_DATA;
   }
+
+  static constexpr Vector empty() {
+    return Vector(nullptr, 0);
+  }
+  static constexpr Vector na() {
+    return Vector(NA());
+  }
+
+ private:
+  const GeoPoint *data_;
+  Int size_;
 };
 
 using GeoPointVector = Vector<GeoPoint>;
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