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Diffstat (limited to 'core/string/node_path.h')
| -rw-r--r-- | core/string/node_path.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/core/string/node_path.h b/core/string/node_path.h new file mode 100644 index 0000000000..b4513ddb3c --- /dev/null +++ b/core/string/node_path.h @@ -0,0 +1,99 @@ +/*************************************************************************/ +/* node_path.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef NODE_PATH_H +#define NODE_PATH_H + +#include "core/string/string_name.h" +#include "core/string/ustring.h" + +class NodePath { + struct Data { + SafeRefCount refcount; + Vector<StringName> path; + Vector<StringName> subpath; + StringName concatenated_subpath; + bool absolute; + bool has_slashes; + mutable bool hash_cache_valid; + mutable uint32_t hash_cache; + }; + + mutable Data *data = nullptr; + void unref(); + + void _update_hash_cache() const; + +public: + bool is_absolute() const; + int get_name_count() const; + StringName get_name(int p_idx) const; + int get_subname_count() const; + StringName get_subname(int p_idx) const; + Vector<StringName> get_names() const; + Vector<StringName> get_subnames() const; + StringName get_concatenated_subnames() const; + + NodePath rel_path_to(const NodePath &p_np) const; + NodePath get_as_property_path() const; + + void prepend_period(); + + NodePath get_parent() const; + + _FORCE_INLINE_ uint32_t hash() const { + if (!data) { + return 0; + } + if (!data->hash_cache_valid) { + _update_hash_cache(); + } + return data->hash_cache; + } + + operator String() const; + bool is_empty() const; + + bool operator==(const NodePath &p_path) const; + bool operator!=(const NodePath &p_path) const; + void operator=(const NodePath &p_path); + + void simplify(); + NodePath simplified() const; + + NodePath(const Vector<StringName> &p_path, bool p_absolute); + NodePath(const Vector<StringName> &p_path, const Vector<StringName> &p_subpath, bool p_absolute); + NodePath(const NodePath &p_path); + NodePath(const String &p_path); + NodePath() {} + ~NodePath(); +}; + +#endif // NODE_PATH_H |