/*************************************************************************/ /* json.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2022 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 JSON_H #define JSON_H #include "core/io/resource.h" #include "core/io/resource_loader.h" #include "core/io/resource_saver.h" #include "core/variant/variant.h" class JSON : public RefCounted { GDCLASS(JSON, RefCounted); enum TokenType { TK_CURLY_BRACKET_OPEN, TK_CURLY_BRACKET_CLOSE, TK_BRACKET_OPEN, TK_BRACKET_CLOSE, TK_IDENTIFIER, TK_STRING, TK_NUMBER, TK_COLON, TK_COMMA, TK_EOF, TK_MAX }; enum Expecting { EXPECT_OBJECT, EXPECT_OBJECT_KEY, EXPECT_COLON, EXPECT_OBJECT_VALUE, }; struct Token { TokenType type; Variant value; }; Variant data; String err_str; int err_line = 0; static const char *tk_name[]; static String _make_indent(const String &p_indent, int p_size); static String _stringify(const Variant &p_var, const String &p_indent, int p_cur_indent, bool p_sort_keys, HashSet<const void *> &p_markers, bool p_full_precision = false); static Error _get_token(const char32_t *p_str, int &index, int p_len, Token &r_token, int &line, String &r_err_str); static Error _parse_value(Variant &value, Token &token, const char32_t *p_str, int &index, int p_len, int &line, int p_depth, String &r_err_str); static Error _parse_array(Array &array, const char32_t *p_str, int &index, int p_len, int &line, int p_depth, String &r_err_str); static Error _parse_object(Dictionary &object, const char32_t *p_str, int &index, int p_len, int &line, int p_depth, String &r_err_str); static Error _parse_string(const String &p_json, Variant &r_ret, String &r_err_str, int &r_err_line); protected: static void _bind_methods(); public: Error parse(const String &p_json_string); static String stringify(const Variant &p_var, const String &p_indent = "", bool p_sort_keys = true, bool p_full_precision = false); static Variant parse_string(const String &p_json_string); inline Variant get_data() const { return data; } void set_data(const Variant &p_data); inline int get_error_line() const { return err_line; } inline String get_error_message() const { return err_str; } }; class ResourceFormatLoaderJSON : public ResourceFormatLoader { public: virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, 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; }; class ResourceFormatSaverJSON : public ResourceFormatSaver { public: virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0); virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const; virtual bool recognize(const Ref<Resource> &p_resource) const; }; #endif // JSON_H