Allow opening databases without loading a file

Author: CouleeApps

binaryninjaapi.h

@@ -3374,8 +3374,11 @@ namespace BinaryNinja {
 	class Database : public CoreRefCountObject<BNDatabase, BNNewDatabaseReference, BNFreeDatabase>
 	{
 	  public:
+		Database();
 		Database(BNDatabase* database);
 
+		bool OpenExisting(const std::string& path);
+
 		bool SnapshotHasData(int64_t id);
 		Ref<Snapshot> GetSnapshot(int64_t id);
 		std::vector<Ref<Snapshot>> GetSnapshots();

binaryninjacore.h

@@ -4436,6 +4436,8 @@ extern "C"
 	// Database object
 	BINARYNINJACOREAPI BNDatabase* BNNewDatabaseReference(BNDatabase* database);
 	BINARYNINJACOREAPI void BNFreeDatabase(BNDatabase* database);
+	BINARYNINJACOREAPI BNDatabase* BNCreateDatabaseInstance(void);
+	BINARYNINJACOREAPI bool BNDatabaseOpenExisting(BNDatabase* database, const char* path);
 	BINARYNINJACOREAPI void BNSetDatabaseCurrentSnapshot(BNDatabase* database, int64_t id);
 	BINARYNINJACOREAPI BNSnapshot* BNGetDatabaseCurrentSnapshot(BNDatabase* database);
 	BINARYNINJACOREAPI BNSnapshot** BNGetDatabaseSnapshots(BNDatabase* database, size_t* count);

database.cpp

@@ -374,12 +374,24 @@ bool Snapshot::HasAncestor(Ref<Snapshot> other)
 }
 
 
+Database::Database()
+{
+	m_object = BNCreateDatabaseInstance();
+}
+
+
 Database::Database(BNDatabase* database)
 {
 	m_object = database;
 }
 
 
+bool Database::OpenExisting(const std::string& path)
+{
+	return BNDatabaseOpenExisting(m_object, path.c_str());
+}
+
+
 Ref<Snapshot> Database::GetSnapshot(int64_t id)
 {
 	BNSnapshot* snap = BNGetDatabaseSnapshot(m_object, id);