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Diffstat (limited to 'core/extension/native_extension.h')
| -rw-r--r-- | core/extension/native_extension.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/core/extension/native_extension.h b/core/extension/native_extension.h new file mode 100644 index 0000000000..0a23848eb2 --- /dev/null +++ b/core/extension/native_extension.h @@ -0,0 +1,94 @@ +/*************************************************************************/ +/* native_extension.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 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 NATIVE_EXTENSION_H +#define NATIVE_EXTENSION_H + +#include "core/extension/gdnative_interface.h" +#include "core/io/resource_loader.h" +#include "core/object/ref_counted.h" + +class NativeExtension : public RefCounted { + GDCLASS(NativeExtension, RefCounted) + + void *library = nullptr; // pointer if valid, + + struct Extension { + ObjectNativeExtension native_extension; + }; + + Map<StringName, Extension> extension_classes; + + static void _register_extension_class(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_parent_class_name, const GDNativeExtensionClassCreationInfo *p_extension_funcs); + static void _register_extension_class_method(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const GDNativeExtensionClassMethodInfo *p_method_info); + static void _register_extension_class_integer_constant(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_enum_name, const char *p_constant_name, uint32_t p_constant_value); + static void _register_extension_class_property(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const GDNativePropertyInfo *p_info, const char *p_setter, const char *p_getter); + static void _register_extension_class_signal(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_signal_name, const GDNativePropertyInfo *p_argument_info, GDNativeInt p_argument_count); + static void _unregister_extension_class(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name); + + GDNativeInitialization initialization; + int32_t level_initialized = -1; + +protected: + static void _bind_methods(); + +public: + Error open_library(const String &p_path, const String &p_entry_symbol); + void close_library(); + + enum InitializationLevel { + INITIALIZATION_LEVEL_CORE, + INITIALIZATION_LEVEL_SERVERS, + INITIALIZATION_LEVEL_SCENE, + INITIALIZATION_LEVEL_EDITOR, + }; + + bool is_library_open() const; + + InitializationLevel get_minimum_library_initialization_level() const; + void initialize_library(InitializationLevel p_level); + void deinitialize_library(InitializationLevel p_level); + + static void initialize_native_extensions(); + NativeExtension(); + ~NativeExtension(); +}; + +VARIANT_ENUM_CAST(NativeExtension::InitializationLevel) + +class NativeExtensionResourceLoader : public ResourceFormatLoader { +public: + virtual RES load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE); + virtual void get_recognized_extensions(List<String> *p_extensions) const; + virtual bool handles_type(const String &p_type) const; + virtual String get_resource_type(const String &p_path) const; +}; + +#endif // NATIVEEXTENSION_H |