pitrou commented on a change in pull request #11225:
URL: https://github.com/apache/arrow/pull/11225#discussion_r718422623
##########
File path: r/src/altrep.cpp
##########
@@ -496,24 +611,76 @@ void InitAltIntegerClass(DllInfo* dll, const char* name) {
InitAltIntegerMethods<AltrepClass>(AltrepClass::class_t, dll);
}
+template <typename AltrepClass>
+void InitAltStringClass(DllInfo* dll, const char* name) {
+ AltrepClass::class_t = R_make_altstring_class(name, "arrow", dll);
+ R_set_altrep_Length_method(AltrepClass::class_t, AltrepClass::Length);
+ R_set_altrep_Inspect_method(AltrepClass::class_t, AltrepClass::Inspect);
+ R_set_altrep_Duplicate_method(AltrepClass::class_t, AltrepClass::Duplicate);
+ R_set_altrep_Serialized_state_method(AltrepClass::class_t,
+ AltrepClass::Serialized_state);
+ R_set_altrep_Unserialize_method(AltrepClass::class_t,
AltrepClass::Unserialize);
+ R_set_altrep_Coerce_method(AltrepClass::class_t, AltrepClass::Coerce);
+
+ R_set_altvec_Dataptr_method(AltrepClass::class_t, AltrepClass::Dataptr);
+ R_set_altvec_Dataptr_or_null_method(AltrepClass::class_t,
AltrepClass::Dataptr_or_null);
+
+ R_set_altstring_Elt_method(AltrepClass::class_t, AltrepClass::Elt);
+ R_set_altstring_Set_elt_method(AltrepClass::class_t, AltrepClass::Set_elt);
+ R_set_altstring_No_NA_method(AltrepClass::class_t, AltrepClass::No_NA);
+ R_set_altstring_Is_sorted_method(AltrepClass::class_t,
AltrepClass::Is_sorted);
+}
+
// initialize the altrep classes
void Init_Altrep_classes(DllInfo* dll) {
- InitAltRealClass<AltrepArrayPrimitive<REALSXP>>(dll, "array_dbl_vector");
- InitAltIntegerClass<AltrepArrayPrimitive<INTSXP>>(dll, "array_int_vector");
+ InitAltRealClass<AltrepVectorPrimitive<REALSXP>>(dll,
"arrow::array_dbl_vector");
+ InitAltIntegerClass<AltrepVectorPrimitive<INTSXP>>(dll,
"arrow::array_int_vector");
+
+ InitAltStringClass<AltrepVectorString<StringType>>(dll,
"arrow::array_string_vector");
+ InitAltStringClass<AltrepVectorString<LargeStringType>>(
+ dll, "arrow::array_large_string_vector");
}
+} // namespace altrep
+} // namespace r
+} // namespace arrow
+
+#endif // HAS_ALTREP
Review comment:
Ouch, I see.
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