Hide some private friend functions from swig (#1565)

* Hide some private auth functions from swig

* Hide more methods

Author: a-maurice

auth/src/include/firebase/auth.h

@@ -669,10 +669,12 @@ class Auth {
   friend class UserDesktopTest;
   friend class AuthDesktopTest;
 
+#ifndef SWIG
   friend void EnableTokenAutoRefresh(AuthData* authData);
   friend void DisableTokenAutoRefresh(AuthData* authData);
   friend void ResetTokenRefreshCounter(AuthData* authData);
   friend void LogHeartbeat(Auth* auth);
+#endif  // not SWIG
   /// @endcond
 
   // Find Auth instance using App.  Return null if the instance does not exist.

database/src/include/firebase/database.h

@@ -181,8 +181,10 @@ class Database {
   LogLevel log_level() const;
 
  private:
+#ifndef SWIG
   friend Database* GetDatabaseInstance(::firebase::App* app, const char* url,
                                        InitResult* init_result_out);
+#endif  // not SWIG
   Database(::firebase::App* app, internal::DatabaseInternal* internal);
   Database(const Database& src);
   Database& operator=(const Database& src);

database/src/include/firebase/database/mutable_data.h

@@ -148,7 +148,9 @@ class MutableData {
   friend class internal::DatabaseInternal;
   friend class internal::MutableDataInternal;
   friend class internal::Repo;
+#ifndef SWIG
   friend MutableData GetInvalidMutableData();
+#endif  // not SWIG
   /// @endcond
 
   explicit MutableData(internal::MutableDataInternal* internal);

firestore/src/include/firebase/firestore/aggregate_query_snapshot.h

@@ -126,8 +126,10 @@ class AggregateQuerySnapshot {
 
   friend bool operator==(const AggregateQuerySnapshot& lhs,
                          const AggregateQuerySnapshot& rhs);
+#ifndef SWIG
   friend std::size_t AggregateQuerySnapshotHash(
       const AggregateQuerySnapshot& snapshot);
+#endif  // not SWIG
   friend struct ConverterImpl;
   friend class AggregateQuerySnapshotTest;
 

firestore/src/include/firebase/firestore/document_change.h

@@ -176,7 +176,9 @@ class DocumentChange {
   std::size_t Hash() const;
 
   friend bool operator==(const DocumentChange& lhs, const DocumentChange& rhs);
+#ifndef SWIG
   friend std::size_t DocumentChangeHash(const DocumentChange& change);
+#endif  // not SWIG
 
   friend class FirestoreInternal;
   friend class Wrapper;

firestore/src/include/firebase/firestore/document_snapshot.h

@@ -265,7 +265,9 @@ class DocumentSnapshot {
 
   friend bool operator==(const DocumentSnapshot& lhs,
                          const DocumentSnapshot& rhs);
+#ifndef SWIG
   friend std::size_t DocumentSnapshotHash(const DocumentSnapshot& snapshot);
+#endif  // not SWIG
 
   friend class DocumentChangeInternal;
   friend class EventListenerInternal;

firestore/src/include/firebase/firestore/query.h

@@ -678,7 +678,9 @@ class Query {
   size_t Hash() const;
 
   friend bool operator==(const Query& lhs, const Query& rhs);
+#ifndef SWIG
   friend size_t QueryHash(const Query& query);
+#endif  // not SWIG
 
   friend class FirestoreInternal;
   friend class QueryInternal;

firestore/src/include/firebase/firestore/query_snapshot.h

@@ -167,7 +167,9 @@ class QuerySnapshot {
   std::size_t Hash() const;
 
   friend bool operator==(const QuerySnapshot& lhs, const QuerySnapshot& rhs);
+#ifndef SWIG
   friend std::size_t QuerySnapshotHash(const QuerySnapshot& snapshot);
+#endif  // not SWIG
 
   friend class EventListenerInternal;
   friend class FirestoreInternal;