--- a/ucx/cx/json.h Fri Dec 12 12:00:34 2025 +0100 +++ b/ucx/cx/json.h Fri Dec 12 12:28:32 2025 +0100 @@ -41,6 +41,7 @@ #include "string.h" #include "buffer.h" #include "array_list.h" +#include "map.h" #include <string.h> @@ -188,9 +189,10 @@ */ typedef struct cx_json_array_s CxJsonArray; /** - * Type alias for the JSON object struct. + * Type alias for the map representing a JSON object. + * The map contains pointers of type @c CxJsonValue. */ -typedef struct cx_json_object_s CxJsonObject; +typedef CxMap* CxJsonObject; /** * Type alias for a JSON string. */ @@ -209,46 +211,13 @@ typedef enum cx_json_literal CxJsonLiteral; /** - * Type alias for a key/value pair in a JSON object. - */ -typedef struct cx_json_obj_value_s CxJsonObjValue; - -/** * JSON array structure. */ struct cx_json_array_s { /** * The array data. */ - CX_ARRAY_DECLARE(CxJsonValue*, array); -}; - -/** - * JSON object structure. - */ -struct cx_json_object_s { - /** - * The key/value entries. - */ - CX_ARRAY_DECLARE(CxJsonObjValue, values); - /** - * The original indices to reconstruct the order in which the members were added. - */ - size_t *indices; -}; - -/** - * Structure for a key/value entry in a JSON object. - */ -struct cx_json_obj_value_s { - /** - * The key (or name in JSON terminology) of the value. - */ - cxmutstr name; - /** - * The value. - */ - CxJsonValue *value; + CX_ARRAY_DECLARE(CxJsonValue*, data); }; /** @@ -295,7 +264,7 @@ * The literal type if the type is #CX_JSON_LITERAL. */ CxJsonLiteral literal; - } value; + }; }; /** @@ -349,11 +318,11 @@ CxJsonValue *parsed; /** - * A pointer to an intermediate state of a currently parsed object member. + * The name of a not yet completely parsed object member. * * Never access this value manually. */ - CxJsonObjValue uncompleted_member; + cxmutstr uncompleted_member_name; /** * State stack. @@ -439,10 +408,6 @@ */ bool pretty; /** - * Set false to output the members in the order in which they were added. - */ - bool sort_members; - /** * The maximum number of fractional digits in a number value. * The default value is 6 and values larger than 15 are reduced to 15. * Note that the actual number of digits may be lower, depending on the concrete number. @@ -530,8 +495,8 @@ /** * Destroys and re-initializes the JSON interface. * - * You might want to use this to reset the parser after - * encountering a syntax error. + * You must use this to reset the parser after encountering a syntax error + * if you want to continue using it. * * @param json the JSON interface */ @@ -592,6 +557,36 @@ */ #define cxJsonFill(json, str) cx_json_fill(json, cx_strcast(str)) + +/** + * Internal function - use cxJsonFromString() instead. + * + * @param allocator the allocator for the JSON value + * @param str the string to parse + * @param value a pointer where the JSON value shall be stored to + * @return status code + */ +cx_attr_nonnull_arg(3) +CX_EXPORT CxJsonStatus cx_json_from_string(const CxAllocator *allocator, + cxstring str, CxJsonValue **value); + +/** + * Parses a string into a JSON value. + * + * @param allocator (@c CxAllocator*) the allocator for the JSON value + * @param str (any string) the string to parse + * @param value (@c CxJsonValue**) a pointer where the JSON value shall be stored to + * @retval CX_JSON_NO_ERROR success + * @retval CX_JSON_NO_DATA the string was empty or blank + * @retval CX_JSON_INCOMPLETE_DATA the string unexpectedly ended + * @retval CX_JSON_BUFFER_ALLOC_FAILED allocating internal buffer space failed + * @retval CX_JSON_VALUE_ALLOC_FAILED allocating memory for the CxJsonValue failed + * @retval CX_JSON_FORMAT_ERROR_NUMBER the JSON text contains an illegally formatted number + * @retval CX_JSON_FORMAT_ERROR_UNEXPECTED_TOKEN JSON syntax error + */ +#define cxJsonFromString(allocator, str, value) \ + cx_json_from_string(allocator, cx_strcast(str), value) + /** * Creates a new (empty) JSON object. * @@ -1077,7 +1072,7 @@ */ cx_attr_nonnull CX_INLINE bool cxJsonIsBool(const CxJsonValue *value) { - return cxJsonIsLiteral(value) && value->value.literal != CX_JSON_NULL; + return cxJsonIsLiteral(value) && value->literal != CX_JSON_NULL; } /** @@ -1094,7 +1089,7 @@ */ cx_attr_nonnull CX_INLINE bool cxJsonIsTrue(const CxJsonValue *value) { - return cxJsonIsLiteral(value) && value->value.literal == CX_JSON_TRUE; + return cxJsonIsLiteral(value) && value->literal == CX_JSON_TRUE; } /** @@ -1111,7 +1106,7 @@ */ cx_attr_nonnull CX_INLINE bool cxJsonIsFalse(const CxJsonValue *value) { - return cxJsonIsLiteral(value) && value->value.literal == CX_JSON_FALSE; + return cxJsonIsLiteral(value) && value->literal == CX_JSON_FALSE; } /** @@ -1124,7 +1119,7 @@ */ cx_attr_nonnull CX_INLINE bool cxJsonIsNull(const CxJsonValue *value) { - return cxJsonIsLiteral(value) && value->value.literal == CX_JSON_NULL; + return cxJsonIsLiteral(value) && value->literal == CX_JSON_NULL; } /** @@ -1202,7 +1197,7 @@ */ cx_attr_nonnull CX_INLINE bool cxJsonAsBool(const CxJsonValue *value) { - return value->value.literal == CX_JSON_TRUE; + return value->literal == CX_JSON_TRUE; } /** @@ -1216,7 +1211,7 @@ */ cx_attr_nonnull CX_INLINE size_t cxJsonArrSize(const CxJsonValue *value) { - return value->value.array.array_size; + return value->array.data_size; } /** @@ -1277,14 +1272,14 @@ */ cx_attr_nonnull CX_INLINE size_t cxJsonObjSize(const CxJsonValue *value) { - return value->value.object.values_size; + return cxCollectionSize(value->object); } /** - * Returns an iterator over the JSON object members. + * Returns a map iterator over the JSON object members. * - * The iterator yields values of type @c CxJsonObjValue* which - * contain the name and value of the member. + * The iterator yields values of type @c CxMapEntry* which + * contain the name and the @c CxJsonObjValue* of the member. * * If the @p value is not a JSON object, the behavior is undefined. * @@ -1293,7 +1288,7 @@ * @see cxJsonIsObject() */ cx_attr_nonnull cx_attr_nodiscard -CX_EXPORT CxIterator cxJsonObjIter(const CxJsonValue *value); +CX_EXPORT CxMapIterator cxJsonObjIter(const CxJsonValue *value); /** * Internal function, do not use.