let iceberg_arrow to call api from iceberg_core

Author: wgtmac

example/demo_example.cc

@@ -27,5 +27,6 @@ int main() {
   std::cout << iceberg::Table::create()->print() << std::endl;
   std::cout << iceberg::Puffin::create()->print() << std::endl;
   std::cout << iceberg::arrow::DemoArrow().print() << std::endl;
+  std::cout << iceberg::arrow::DemoArrow().name() << std::endl;
   return 0;
 }

src/arrow/CMakeLists.txt

@@ -20,7 +20,7 @@ if(NOT ICEBERG_ARROW)
 endif()
 
 set(ICEBERG_ARROW_SOURCES demo_arrow.cc)
-set(ICEBERG_ARROW_INCLUDES "${ICEBERG_API_DIR}")
+set(ICEBERG_ARROW_INCLUDES "${ICEBERG_API_DIR}" "${CMAKE_SOURCE_DIR}/src")
 
 # Libraries to link with exported libiceberg_arrow.{so,a}.
 set(ICEBERG_ARROW_STATIC_BUILD_INTERFACE_LIBS)

src/arrow/demo_arrow.cc

@@ -21,8 +21,12 @@
 
 #include <arrow/config.h>
 
+#include "core/demo_table.h"
+
 namespace iceberg::arrow {
 
 std::string DemoArrow::print() const { return ::arrow::GetBuildInfo().version_string; }
 
+std::string_view DemoArrow::name() const { return DemoTable().name(); }
+
 }  // namespace iceberg::arrow

src/arrow/demo_arrow.h

@@ -28,6 +28,7 @@ namespace iceberg::arrow {
 class ICEBERG_EXPORT DemoArrow {
  public:
   std::string print() const;
+  std::string_view name() const;
 };
 
 }  // namespace iceberg::arrow

src/core/demo_table.cc

@@ -21,7 +21,9 @@
 
 namespace iceberg {
 
-std::string_view DemoTable::print() const { return "DemoTable"; }
+std::string_view DemoTable::print() const { return name(); }
+
+std::string_view DemoTable::name() const { return "DemoTable"; }
 
 std::unique_ptr<Table> Table::create() { return std::make_unique<DemoTable>(); }
 

src/core/demo_table.h

@@ -29,6 +29,7 @@ class ICEBERG_EXPORT DemoTable : public Table {
   ~DemoTable() override = default;
 
   std::string_view print() const override;
+  std::string_view name() const;
 };
 
 }  // namespace iceberg