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load_testing_tool
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include/ujdecode.h
261 строка
9 KB
Ianwarets
Modifications for unix build and run.
15 окт 2019, 11:18
15 окт 2019, 11:18
9e335ad
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/* ujson4c decoder helper 1.0 Developed by ESN, an Electronic Arts Inc. studio. Copyright (c) 2013, Electronic Arts Inc. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of ESN, Electronic Arts Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ELECTRONIC ARTS INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Uses UltraJSON library: Copyright (c) 2013, Electronic Arts Inc. All rights reserved. www.github.com/esnme/ultrajson */ #pragma once #ifdef __cplusplus extern "C" { #endif enum UJTypes { UJT_Null, UJT_True, UJT_False, UJT_Long, UJT_LongLong, UJT_Double, UJT_String, UJT_Array, UJT_Object }; #include <wchar.h> typedef void * UJObject; typedef struct __UJString { wchar_t *ptr; size_t cchLen; } UJString; typedef struct __UJHeapFuncs { void *initalHeap; size_t cbInitialHeap; void *(*malloc)(size_t cbSize); void (*free)(void *ptr); void *(*realloc)(void *ptr, size_t cbSize); } UJHeapFuncs; /* =============================================================================== Decodes an input text octet stream into a JSON object structure Arguments: input - JSON data to decode in ANSI or UTF-8 format cbInput - Length of input in bytes hf - Heap functions, see UJHeapFuncs. Optional may be NULL outState - Outputs the decoder state. Not about heap functions: Declare a UJHeapFuncs structure on the stack if you want to manage your own heap and pass it as the hf argument to UJDecode. initalHeap - Pointer to a buffer for the initial heap handled by the caller. Preferably stored on the stack. MUST not be smaller than 1024 bytes cbInitialHeap - Size of the initial heap in bytes malloc - Pointer to malloc function free - Pointer to free function realloc - Pointer to realloc function Returns a JSON object structure representation or NULL in case of error. Use UJGetError get obtain error message. Example usage: const char *input; size_t cbInput; void *state; obj = UJDecode(input, cbInput, NULL, &state); if (obj == NULL) printf ("Error: %s\n", UJGetError(state)); ...Poke around in returned obj... UJFree(state); =============================================================================== */ UJObject UJDecode(const char *input, size_t cbInput, UJHeapFuncs *hf, void **outState); /* =============================================================================== Called to free the decoder state =============================================================================== */ void UJFree(void *state); /* =============================================================================== Check if object is of certain type =============================================================================== */ int UJIsNull(UJObject obj); int UJIsTrue(UJObject obj); int UJIsFalse(UJObject obj); int UJIsLong(UJObject obj); int UJIsLongLong(UJObject obj); int UJIsInteger(UJObject *obj); int UJIsDouble(UJObject obj); int UJIsString(UJObject obj); int UJIsArray(UJObject obj); int UJIsObject(UJObject obj); /* =============================================================================== See UJTypes enum for possible return values =============================================================================== */ int UJGetType(UJObject obj); /* =============================================================================== Called to initiate the iterator of an array object May return NULL in case array is empty =============================================================================== */ void *UJBeginArray(UJObject arrObj); /* =============================================================================== Iterates an array object Arguments: iter - Anonymous iterator outObj - Object in array Usage: Get initial iterator from call to UJBeginArray. Call this function until it returns 0 =============================================================================== */ int UJIterArray(void **iter, UJObject *outObj); /* =============================================================================== Called to initiate the iterator of an Object (key-value structure) May return NULL in case Object is empty =============================================================================== */ void *UJBeginObject(UJObject objObj); /* =============================================================================== Iterates an Object Arguments: iter - Anonymous iterator outKey - Key name outValue - Value object Usage: Get initial iterator from call to UJBeginObject Call this function until it returns 0 =============================================================================== */ int UJIterObject(void **iter, UJString *outKey, UJObject *outValue); /* =============================================================================== Unpacks an Object by matching the key name with the requested format Each key name needs to be matched by the character in the format string representing the desired type of the value for that key B - Boolean N - Numeric S - String A - Array O - Object U - Unknown/any Use lower case to accept JSON Null in place of the expected value. Arguments: objObj - The object to unpack (JSON Object) keys - Number of keys to match. Keys can not exceed 64. format - Specified the expected types for the key value. keyNames - An array of key names ... - Output value objects (as UJObject *) Return value: Returns number of key pairs matched or -1 on error =============================================================================== */ int UJObjectUnpack(UJObject objObj, int keys, const char *format, const wchar_t **keyNames, ...); /* =============================================================================== Returns the value of a double, long or long long value as a double. If value is not any of these 0.0 is returned. =============================================================================== */ double UJNumericFloat(UJObject obj); /* =============================================================================== Returns the value of a double, long or long long value as an integer. If value is not any of these types 0 is returned. Truncation may arrise from word sizes and the presence of decimals when converting doubles to integers. =============================================================================== */ long long UJNumericLongLong(UJObject obj); int UJNumericInt(UJObject obj); /* =============================================================================== Returns the value of a string value as a wide character string pointer. Caller must NOT free returned pointer. cchOutBuffer contains the character length of the returned string. If the value is not a string an empty string is returned. =============================================================================== */ const wchar_t *UJReadString(UJObject obj, size_t *cchOutBuffer); /* =============================================================================== Returns last error message if any as a string or NULL. Caller must NOT free returned pointer. =============================================================================== */ const char *UJGetError(void *state); #ifdef __cplusplus } #endif