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Diffstat (limited to 'libnbtplusplus/include/nbt_visitor.h')
| -rw-r--r-- | libnbtplusplus/include/nbt_visitor.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/libnbtplusplus/include/nbt_visitor.h b/libnbtplusplus/include/nbt_visitor.h new file mode 100644 index 0000000000..e244162f83 --- /dev/null +++ b/libnbtplusplus/include/nbt_visitor.h @@ -0,0 +1,88 @@ +/* + * SPDX-FileCopyrightText: 2013, 2015 ljfa-ag <ljfa-ag@web.de> + * + * SPDX-License-Identifier: LGPL-3.0-or-later + */ + +/* + * libnbt++ - A library for the Minecraft Named Binary Tag format. + * Copyright (C) 2013, 2015 ljfa-ag + * + * This file is part of libnbt++. + * + * libnbt++ is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * libnbt++ is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with libnbt++. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef NBT_VISITOR_H_INCLUDED +#define NBT_VISITOR_H_INCLUDED + +#include "tagfwd.h" + +namespace nbt +{ + + /** + * @brief Base class for visitors of tags + * + * Implementing the Visitor pattern + */ + class nbt_visitor + { + public: + virtual ~nbt_visitor() noexcept = 0; // Abstract class + + virtual void visit(tag_byte&) {} + virtual void visit(tag_short&) {} + virtual void visit(tag_int&) {} + virtual void visit(tag_long&) {} + virtual void visit(tag_float&) {} + virtual void visit(tag_double&) {} + virtual void visit(tag_byte_array&) {} + virtual void visit(tag_string&) {} + virtual void visit(tag_list&) {} + virtual void visit(tag_compound&) {} + virtual void visit(tag_int_array&) {} + virtual void visit(tag_long_array&) {} + }; + + /** + * @brief Base class for visitors of constant tags + * + * Implementing the Visitor pattern + */ + class const_nbt_visitor + { + public: + virtual ~const_nbt_visitor() noexcept = 0; // Abstract class + + virtual void visit(const tag_byte&) {} + virtual void visit(const tag_short&) {} + virtual void visit(const tag_int&) {} + virtual void visit(const tag_long&) {} + virtual void visit(const tag_float&) {} + virtual void visit(const tag_double&) {} + virtual void visit(const tag_byte_array&) {} + virtual void visit(const tag_string&) {} + virtual void visit(const tag_list&) {} + virtual void visit(const tag_compound&) {} + virtual void visit(const tag_int_array&) {} + virtual void visit(const tag_long_array&) {} + }; + + inline nbt_visitor::~nbt_visitor() noexcept {} + + inline const_nbt_visitor::~const_nbt_visitor() noexcept {} + +} // namespace nbt + +#endif // NBT_VISITOR_H_INCLUDED |