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/*************************************************************************/
/* 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
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