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The C and C++ Include Header Files

cat -n /usr/include/nodejs/src/node_webstorage.h

     1	#ifndef SRC_NODE_WEBSTORAGE_H_
     2	#define SRC_NODE_WEBSTORAGE_H_
     3	
     4	#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
     5	
     6	#include "base_object.h"
     7	#include "node_mem.h"
     8	#include "sqlite3.h"
     9	#include "util.h"
    10	
    11	namespace node {
    12	namespace webstorage {
    13	
    14	struct conn_deleter {
    15	  void operator()(sqlite3* conn) const noexcept {
    16	    CHECK_EQ(sqlite3_close(conn), SQLITE_OK);
    17	  }
    18	};
    19	using conn_unique_ptr = std::unique_ptr<sqlite3, conn_deleter>;
    20	
    21	struct stmt_deleter {
    22	  void operator()(sqlite3_stmt* stmt) const noexcept { sqlite3_finalize(stmt); }
    23	};
    24	using stmt_unique_ptr = std::unique_ptr<sqlite3_stmt, stmt_deleter>;
    25	
    26	static constexpr std::string_view kInMemoryPath = ":memory:";
    27	
    28	class Storage : public BaseObject {
    29	 public:
    30	  Storage(Environment* env,
    31	          v8::Local<v8::Object> object,
    32	          std::string_view location);
    33	  void MemoryInfo(MemoryTracker* tracker) const override;
    34	  static void New(const v8::FunctionCallbackInfo<v8::Value>& args);
    35	
    36	  v8::Maybe<void> Clear();
    37	  v8::MaybeLocal<v8::Array> Enumerate();
    38	  v8::MaybeLocal<v8::Value> Length();
    39	  v8::MaybeLocal<v8::Value> Load(v8::Local<v8::Name> key);
    40	  v8::MaybeLocal<v8::Value> LoadKey(const int index);
    41	  v8::Maybe<void> Remove(v8::Local<v8::Name> key);
    42	  v8::Maybe<void> Store(v8::Local<v8::Name> key, v8::Local<v8::Value> value);
    43	
    44	  SET_MEMORY_INFO_NAME(Storage)
    45	  SET_SELF_SIZE(Storage)
    46	
    47	 private:
    48	  v8::Maybe<void> Open();
    49	
    50	  ~Storage() override;
    51	  std::string location_;
    52	  conn_unique_ptr db_;
    53	  v8::Global<v8::Map> symbols_;
    54	};
    55	
    56	}  // namespace webstorage
    57	}  // namespace node
    58	
    59	#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
    60	#endif  // SRC_NODE_WEBSTORAGE_H_