99 lines
3.9 KiB
C++
99 lines
3.9 KiB
C++
/*************************************************************************/
|
|
/* json.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 JSON_H
|
|
#define JSON_H
|
|
|
|
#include "core/object/reference.h"
|
|
#include "core/variant/variant.h"
|
|
class JSON {
|
|
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;
|
|
};
|
|
|
|
static const char *tk_name[TK_MAX];
|
|
|
|
static String _print_var(const Variant &p_var, const String &p_indent, int p_cur_indent, bool p_sort_keys);
|
|
|
|
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, String &r_err_str);
|
|
static Error _parse_array(Array &array, const char32_t *p_str, int &index, int p_len, int &line, String &r_err_str);
|
|
static Error _parse_object(Dictionary &object, const char32_t *p_str, int &index, int p_len, int &line, String &r_err_str);
|
|
|
|
public:
|
|
static String print(const Variant &p_var, const String &p_indent = "", bool p_sort_keys = true);
|
|
static Error parse(const String &p_json, Variant &r_ret, String &r_err_str, int &r_err_line);
|
|
};
|
|
|
|
class JSONParser : public Reference {
|
|
GDCLASS(JSONParser, Reference);
|
|
|
|
Variant data;
|
|
String string;
|
|
String err_text;
|
|
int err_line = 0;
|
|
|
|
protected:
|
|
static void _bind_methods();
|
|
|
|
public:
|
|
Error parse_string(const String &p_json_string);
|
|
String get_error_text() const;
|
|
int get_error_line() const;
|
|
Variant get_data() const;
|
|
|
|
Error decode_data(const Variant &p_data, const String &p_indent = "", bool p_sort_keys = true);
|
|
String get_string() const;
|
|
};
|
|
|
|
#endif // JSON_H
|