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d95794ec8a
As many open source projects have started doing it, we're removing the current year from the copyright notice, so that we don't need to bump it every year. It seems like only the first year of publication is technically relevant for copyright notices, and even that seems to be something that many companies stopped listing altogether (in a version controlled codebase, the commits are a much better source of date of publication than a hardcoded copyright statement). We also now list Godot Engine contributors first as we're collectively the current maintainers of the project, and we clarify that the "exclusive" copyright of the co-founders covers the timespan before opensourcing (their further contributions are included as part of Godot Engine contributors). Also fixed "cf." Frenchism - it's meant as "refer to / see".
112 lines
5.0 KiB
C++
112 lines
5.0 KiB
C++
/**************************************************************************/
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/* json.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef JSON_H
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#define JSON_H
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#include "core/io/resource.h"
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#include "core/io/resource_loader.h"
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#include "core/io/resource_saver.h"
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#include "core/variant/variant.h"
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class JSON : public RefCounted {
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GDCLASS(JSON, RefCounted);
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enum TokenType {
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TK_CURLY_BRACKET_OPEN,
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TK_CURLY_BRACKET_CLOSE,
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TK_BRACKET_OPEN,
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TK_BRACKET_CLOSE,
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TK_IDENTIFIER,
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TK_STRING,
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TK_NUMBER,
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TK_COLON,
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TK_COMMA,
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TK_EOF,
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TK_MAX
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};
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enum Expecting {
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EXPECT_OBJECT,
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EXPECT_OBJECT_KEY,
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EXPECT_COLON,
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EXPECT_OBJECT_VALUE,
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};
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struct Token {
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TokenType type;
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Variant value;
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};
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Variant data;
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String err_str;
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int err_line = 0;
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static const char *tk_name[];
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static String _make_indent(const String &p_indent, int p_size);
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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);
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static Error _get_token(const char32_t *p_str, int &index, int p_len, Token &r_token, int &line, String &r_err_str);
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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);
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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);
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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);
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static Error _parse_string(const String &p_json, Variant &r_ret, String &r_err_str, int &r_err_line);
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protected:
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static void _bind_methods();
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public:
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Error parse(const String &p_json_string);
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static String stringify(const Variant &p_var, const String &p_indent = "", bool p_sort_keys = true, bool p_full_precision = false);
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static Variant parse_string(const String &p_json_string);
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inline Variant get_data() const { return data; }
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void set_data(const Variant &p_data);
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inline int get_error_line() const { return err_line; }
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inline String get_error_message() const { return err_str; }
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};
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class ResourceFormatLoaderJSON : public ResourceFormatLoader {
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public:
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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);
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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virtual bool handles_type(const String &p_type) const;
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virtual String get_resource_type(const String &p_path) const;
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};
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class ResourceFormatSaverJSON : public ResourceFormatSaver {
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public:
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virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
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virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
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virtual bool recognize(const Ref<Resource> &p_resource) const;
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};
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#endif // JSON_H
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