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https://github.com/fernandotcl/TinyEMU.git
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133 lines
3.3 KiB
C
133 lines
3.3 KiB
C
/*
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* Pseudo JSON parser
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*
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* Copyright (c) 2017 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* 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, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef JSON_H
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#define JSON_H
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typedef enum {
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JSON_STR,
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JSON_INT,
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JSON_OBJ,
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JSON_ARRAY,
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JSON_BOOL,
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JSON_NULL,
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JSON_UNDEFINED,
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JSON_EXCEPTION,
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} JSONTypeEnum;
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typedef struct {
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int len;
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char data[0];
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} JSONString;
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typedef struct JSONValue {
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JSONTypeEnum type;
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union {
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JSONString *str;
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int int32;
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BOOL b;
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struct JSONObject *obj;
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struct JSONArray *array;
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} u;
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} JSONValue;
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typedef struct JSONProperty {
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JSONValue name;
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JSONValue value;
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} JSONProperty;
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typedef struct JSONObject {
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int len;
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int size;
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JSONProperty *props;
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} JSONObject;
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typedef struct JSONArray {
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int len;
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int size;
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JSONValue *tab;
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} JSONArray;
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JSONValue json_string_new2(const char *str, int len);
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JSONValue json_string_new(const char *str);
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JSONValue __attribute__((format(printf, 1, 2))) json_error_new(const char *fmt, ...);
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void json_free(JSONValue val);
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JSONValue json_object_new(void);
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JSONValue json_object_get(JSONValue val, const char *name);
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int json_object_set(JSONValue val, const char *name, JSONValue prop_val);
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JSONValue json_array_new(void);
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JSONValue json_array_get(JSONValue val, unsigned int idx);
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int json_array_set(JSONValue val, unsigned int idx, JSONValue prop_val);
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static inline BOOL json_is_error(JSONValue val)
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{
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return val.type == JSON_EXCEPTION;
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}
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static inline BOOL json_is_undefined(JSONValue val)
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{
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return val.type == JSON_UNDEFINED;
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}
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static inline JSONValue json_undefined_new(void)
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{
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JSONValue val;
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val.type = JSON_UNDEFINED;
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val.u.int32 = 0;
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return val;
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}
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static inline JSONValue json_null_new(void)
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{
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JSONValue val;
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val.type = JSON_NULL;
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val.u.int32 = 0;
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return val;
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}
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static inline JSONValue json_int32_new(int v)
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{
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JSONValue val;
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val.type = JSON_INT;
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val.u.int32 = v;
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return val;
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}
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static inline JSONValue json_bool_new(BOOL v)
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{
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JSONValue val;
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val.type = JSON_BOOL;
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val.u.b = v;
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return val;
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}
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const char *json_get_str(JSONValue val);
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const char *json_get_error(JSONValue val);
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JSONValue json_parse_value(const char *p);
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JSONValue json_parse_value_len(const char *p, int len);
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#endif /* JSON_H */
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