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Diffstat (limited to 'fluent-bit/lib/librdkafka-2.1.0/src/cJSON.h')
| -rw-r--r-- | fluent-bit/lib/librdkafka-2.1.0/src/cJSON.h | 398 |
1 files changed, 398 insertions, 0 deletions
diff --git a/fluent-bit/lib/librdkafka-2.1.0/src/cJSON.h b/fluent-bit/lib/librdkafka-2.1.0/src/cJSON.h new file mode 100644 index 000000000..1b5655c7b --- /dev/null +++ b/fluent-bit/lib/librdkafka-2.1.0/src/cJSON.h @@ -0,0 +1,398 @@ +/* + Copyright (c) 2009-2017 Dave Gamble and cJSON contributors + + 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 cJSON__h +#define cJSON__h + +#ifdef __cplusplus +extern "C" { +#endif + +#if !defined(__WINDOWS__) && \ + (defined(WIN32) || defined(WIN64) || defined(_MSC_VER) || defined(_WIN32)) +#define __WINDOWS__ +#endif + +#ifdef __WINDOWS__ + +/* When compiling for windows, we specify a specific calling convention to avoid +issues where we are being called from a project with a different default calling +convention. For windows you have 3 define options: + +CJSON_HIDE_SYMBOLS - Define this in the case where you don't want to ever +dllexport symbols CJSON_EXPORT_SYMBOLS - Define this on library build when you +want to dllexport symbols (default) CJSON_IMPORT_SYMBOLS - Define this if you +want to dllimport symbol + +For *nix builds that support visibility attribute, you can define similar +behavior by + +setting default visibility to hidden by adding +-fvisibility=hidden (for gcc) +or +-xldscope=hidden (for sun cc) +to CFLAGS + +then using the CJSON_API_VISIBILITY flag to "export" the same symbols the way +CJSON_EXPORT_SYMBOLS does + +*/ + +#define CJSON_CDECL __cdecl +#define CJSON_STDCALL __stdcall + +/* export symbols by default, this is necessary for copy pasting the C and + * header file */ +#if !defined(CJSON_HIDE_SYMBOLS) && !defined(CJSON_IMPORT_SYMBOLS) && \ + !defined(CJSON_EXPORT_SYMBOLS) +#define CJSON_EXPORT_SYMBOLS +#endif + +#if defined(CJSON_HIDE_SYMBOLS) +#define CJSON_PUBLIC(type) type CJSON_STDCALL +#elif defined(CJSON_EXPORT_SYMBOLS) +#define CJSON_PUBLIC(type) __declspec(dllexport) type CJSON_STDCALL +#elif defined(CJSON_IMPORT_SYMBOLS) +#define CJSON_PUBLIC(type) __declspec(dllimport) type CJSON_STDCALL +#endif +#else /* !__WINDOWS__ */ +#define CJSON_CDECL +#define CJSON_STDCALL + +#if (defined(__GNUC__) || defined(__SUNPRO_CC) || defined(__SUNPRO_C)) && \ + defined(CJSON_API_VISIBILITY) +#define CJSON_PUBLIC(type) __attribute__((visibility("default"))) type +#else +#define CJSON_PUBLIC(type) type +#endif +#endif + +/* project version */ +#define CJSON_VERSION_MAJOR 1 +#define CJSON_VERSION_MINOR 7 +#define CJSON_VERSION_PATCH 14 + +#include <stddef.h> + +/* cJSON Types: */ +#define cJSON_Invalid (0) +#define cJSON_False (1 << 0) +#define cJSON_True (1 << 1) +#define cJSON_NULL (1 << 2) +#define cJSON_Number (1 << 3) +#define cJSON_String (1 << 4) +#define cJSON_Array (1 << 5) +#define cJSON_Object (1 << 6) +#define cJSON_Raw (1 << 7) /* raw json */ + +#define cJSON_IsReference 256 +#define cJSON_StringIsConst 512 + +/* The cJSON structure: */ +typedef struct cJSON { + /* next/prev allow you to walk array/object chains. Alternatively, use + * GetArraySize/GetArrayItem/GetObjectItem */ + struct cJSON *next; + struct cJSON *prev; + /* An array or object item will have a child pointer pointing to a chain + * of the items in the array/object. */ + struct cJSON *child; + + /* The type of the item, as above. */ + int type; + + /* The item's string, if type==cJSON_String and type == cJSON_Raw */ + char *valuestring; + /* writing to valueint is DEPRECATED, use cJSON_SetNumberValue instead + */ + int valueint; + /* The item's number, if type==cJSON_Number */ + double valuedouble; + + /* The item's name string, if this item is the child of, or is in the + * list of subitems of an object. */ + char *string; +} cJSON; + +typedef struct cJSON_Hooks { + /* malloc/free are CDECL on Windows regardless of the default calling + * convention of the compiler, so ensure the hooks allow passing those + * functions directly. */ + void *(CJSON_CDECL *malloc_fn)(size_t sz); + void(CJSON_CDECL *free_fn)(void *ptr); +} cJSON_Hooks; + +typedef int cJSON_bool; + +/* Limits how deeply nested arrays/objects can be before cJSON rejects to parse + * them. This is to prevent stack overflows. */ +#ifndef CJSON_NESTING_LIMIT +#define CJSON_NESTING_LIMIT 1000 +#endif + +/* returns the version of cJSON as a string */ +CJSON_PUBLIC(const char *) cJSON_Version(void); + +/* Supply malloc, realloc and free functions to cJSON */ +CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks *hooks); + +/* Memory Management: the caller is always responsible to free the results from + * all variants of cJSON_Parse (with cJSON_Delete) and cJSON_Print (with stdlib + * free, cJSON_Hooks.free_fn, or cJSON_free as appropriate). The exception is + * cJSON_PrintPreallocated, where the caller has full responsibility of the + * buffer. */ +/* Supply a block of JSON, and this returns a cJSON object you can interrogate. + */ +CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value); +CJSON_PUBLIC(cJSON *) +cJSON_ParseWithLength(const char *value, size_t buffer_length); +/* ParseWithOpts allows you to require (and check) that the JSON is null + * terminated, and to retrieve the pointer to the final byte parsed. */ +/* If you supply a ptr in return_parse_end and parsing fails, then + * return_parse_end will contain a pointer to the error so will match + * cJSON_GetErrorPtr(). */ +CJSON_PUBLIC(cJSON *) +cJSON_ParseWithOpts(const char *value, + const char **return_parse_end, + cJSON_bool require_null_terminated); +CJSON_PUBLIC(cJSON *) +cJSON_ParseWithLengthOpts(const char *value, + size_t buffer_length, + const char **return_parse_end, + cJSON_bool require_null_terminated); + +/* Render a cJSON entity to text for transfer/storage. */ +CJSON_PUBLIC(char *) cJSON_Print(const cJSON *item); +/* Render a cJSON entity to text for transfer/storage without any formatting. */ +CJSON_PUBLIC(char *) cJSON_PrintUnformatted(const cJSON *item); +/* Render a cJSON entity to text using a buffered strategy. prebuffer is a guess + * at the final size. guessing well reduces reallocation. fmt=0 gives + * unformatted, =1 gives formatted */ +CJSON_PUBLIC(char *) +cJSON_PrintBuffered(const cJSON *item, int prebuffer, cJSON_bool fmt); +/* Render a cJSON entity to text using a buffer already allocated in memory with + * given length. Returns 1 on success and 0 on failure. */ +/* NOTE: cJSON is not always 100% accurate in estimating how much memory it will + * use, so to be safe allocate 5 bytes more than you actually need */ +CJSON_PUBLIC(cJSON_bool) +cJSON_PrintPreallocated(cJSON *item, + char *buffer, + const int length, + const cJSON_bool format); +/* Delete a cJSON entity and all subentities. */ +CJSON_PUBLIC(void) cJSON_Delete(cJSON *item); + +/* Returns the number of items in an array (or object). */ +CJSON_PUBLIC(int) cJSON_GetArraySize(const cJSON *array); +/* Retrieve item number "index" from array "array". Returns NULL if + * unsuccessful. */ +CJSON_PUBLIC(cJSON *) cJSON_GetArrayItem(const cJSON *array, int index); +/* Get item "string" from object. Case insensitive. */ +CJSON_PUBLIC(cJSON *) +cJSON_GetObjectItem(const cJSON *const object, const char *const string); +CJSON_PUBLIC(cJSON *) +cJSON_GetObjectItemCaseSensitive(const cJSON *const object, + const char *const string); +CJSON_PUBLIC(cJSON_bool) +cJSON_HasObjectItem(const cJSON *object, const char *string); +/* For analysing failed parses. This returns a pointer to the parse error. + * You'll probably need to look a few chars back to make sense of it. Defined + * when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */ +CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void); + +/* Check item type and return its value */ +CJSON_PUBLIC(char *) cJSON_GetStringValue(const cJSON *const item); +CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON *const item); + +/* These functions check the type of an item */ +CJSON_PUBLIC(cJSON_bool) cJSON_IsInvalid(const cJSON *const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsFalse(const cJSON *const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsTrue(const cJSON *const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsBool(const cJSON *const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsNull(const cJSON *const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsNumber(const cJSON *const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsString(const cJSON *const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsArray(const cJSON *const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsObject(const cJSON *const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsRaw(const cJSON *const item); + +/* These calls create a cJSON item of the appropriate type. */ +CJSON_PUBLIC(cJSON *) cJSON_CreateNull(void); +CJSON_PUBLIC(cJSON *) cJSON_CreateTrue(void); +CJSON_PUBLIC(cJSON *) cJSON_CreateFalse(void); +CJSON_PUBLIC(cJSON *) cJSON_CreateBool(cJSON_bool boolean); +CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num); +CJSON_PUBLIC(cJSON *) cJSON_CreateString(const char *string); +/* raw json */ +CJSON_PUBLIC(cJSON *) cJSON_CreateRaw(const char *raw); +CJSON_PUBLIC(cJSON *) cJSON_CreateArray(void); +CJSON_PUBLIC(cJSON *) cJSON_CreateObject(void); + +/* Create a string where valuestring references a string so + * it will not be freed by cJSON_Delete */ +CJSON_PUBLIC(cJSON *) cJSON_CreateStringReference(const char *string); +/* Create an object/array that only references it's elements so + * they will not be freed by cJSON_Delete */ +CJSON_PUBLIC(cJSON *) cJSON_CreateObjectReference(const cJSON *child); +CJSON_PUBLIC(cJSON *) cJSON_CreateArrayReference(const cJSON *child); + +/* These utilities create an Array of count items. + * The parameter count cannot be greater than the number of elements in the + * number array, otherwise array access will be out of bounds.*/ +CJSON_PUBLIC(cJSON *) cJSON_CreateIntArray(const int *numbers, int count); +CJSON_PUBLIC(cJSON *) cJSON_CreateFloatArray(const float *numbers, int count); +CJSON_PUBLIC(cJSON *) cJSON_CreateDoubleArray(const double *numbers, int count); +CJSON_PUBLIC(cJSON *) +cJSON_CreateStringArray(const char *const *strings, int count); + +/* Append item to the specified array/object. */ +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToArray(cJSON *array, cJSON *item); +CJSON_PUBLIC(cJSON_bool) +cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item); +/* Use this when string is definitely const (i.e. a literal, or as good as), and + * will definitely survive the cJSON object. WARNING: When this function was + * used, make sure to always check that (item->type & cJSON_StringIsConst) is + * zero before writing to `item->string` */ +CJSON_PUBLIC(cJSON_bool) +cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item); +/* Append reference to item to the specified array/object. Use this when you + * want to add an existing cJSON to a new cJSON, but don't want to corrupt your + * existing cJSON. */ +CJSON_PUBLIC(cJSON_bool) +cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item); +CJSON_PUBLIC(cJSON_bool) +cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item); + +/* Remove/Detach items from Arrays/Objects. */ +CJSON_PUBLIC(cJSON *) +cJSON_DetachItemViaPointer(cJSON *parent, cJSON *const item); +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromArray(cJSON *array, int which); +CJSON_PUBLIC(void) cJSON_DeleteItemFromArray(cJSON *array, int which); +CJSON_PUBLIC(cJSON *) +cJSON_DetachItemFromObject(cJSON *object, const char *string); +CJSON_PUBLIC(cJSON *) +cJSON_DetachItemFromObjectCaseSensitive(cJSON *object, const char *string); +CJSON_PUBLIC(void) +cJSON_DeleteItemFromObject(cJSON *object, const char *string); +CJSON_PUBLIC(void) +cJSON_DeleteItemFromObjectCaseSensitive(cJSON *object, const char *string); + +/* Update array items. */ +CJSON_PUBLIC(cJSON_bool) +cJSON_InsertItemInArray( + cJSON *array, + int which, + cJSON *newitem); /* Shifts pre-existing items to the right. */ +CJSON_PUBLIC(cJSON_bool) +cJSON_ReplaceItemViaPointer(cJSON *const parent, + cJSON *const item, + cJSON *replacement); +CJSON_PUBLIC(cJSON_bool) +cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem); +CJSON_PUBLIC(cJSON_bool) +cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem); +CJSON_PUBLIC(cJSON_bool) +cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object, + const char *string, + cJSON *newitem); + +/* Duplicate a cJSON item */ +CJSON_PUBLIC(cJSON *) cJSON_Duplicate(const cJSON *item, cJSON_bool recurse); +/* Duplicate will create a new, identical cJSON item to the one you pass, in new + * memory that will need to be released. With recurse!=0, it will duplicate any + * children connected to the item. + * The item->next and ->prev pointers are always zero on return from Duplicate. + */ +/* Recursively compare two cJSON items for equality. If either a or b is NULL or + * invalid, they will be considered unequal. + * case_sensitive determines if object keys are treated case sensitive (1) or + * case insensitive (0) */ +CJSON_PUBLIC(cJSON_bool) +cJSON_Compare(const cJSON *const a, + const cJSON *const b, + const cJSON_bool case_sensitive); + +/* Minify a strings, remove blank characters(such as ' ', '\t', '\r', '\n') from + * strings. The input pointer json cannot point to a read-only address area, + * such as a string constant, + * but should point to a readable and writable adress area. */ +CJSON_PUBLIC(void) cJSON_Minify(char *json); + +/* Helper functions for creating and adding items to an object at the same time. + * They return the added item or NULL on failure. */ +CJSON_PUBLIC(cJSON *) +cJSON_AddNullToObject(cJSON *const object, const char *const name); +CJSON_PUBLIC(cJSON *) +cJSON_AddTrueToObject(cJSON *const object, const char *const name); +CJSON_PUBLIC(cJSON *) +cJSON_AddFalseToObject(cJSON *const object, const char *const name); +CJSON_PUBLIC(cJSON *) +cJSON_AddBoolToObject(cJSON *const object, + const char *const name, + const cJSON_bool boolean); +CJSON_PUBLIC(cJSON *) +cJSON_AddNumberToObject(cJSON *const object, + const char *const name, + const double number); +CJSON_PUBLIC(cJSON *) +cJSON_AddStringToObject(cJSON *const object, + const char *const name, + const char *const string); +CJSON_PUBLIC(cJSON *) +cJSON_AddRawToObject(cJSON *const object, + const char *const name, + const char *const raw); +CJSON_PUBLIC(cJSON *) +cJSON_AddObjectToObject(cJSON *const object, const char *const name); +CJSON_PUBLIC(cJSON *) +cJSON_AddArrayToObject(cJSON *const object, const char *const name); + +/* When assigning an integer value, it needs to be propagated to valuedouble + * too. */ +#define cJSON_SetIntValue(object, number) \ + ((object) ? (object)->valueint = (object)->valuedouble = (number) \ + : (number)) +/* helper for the cJSON_SetNumberValue macro */ +CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number); +#define cJSON_SetNumberValue(object, number) \ + ((object != NULL) ? cJSON_SetNumberHelper(object, (double)number) \ + : (number)) +/* Change the valuestring of a cJSON_String object, only takes effect when type + * of object is cJSON_String */ +CJSON_PUBLIC(char *) +cJSON_SetValuestring(cJSON *object, const char *valuestring); + +/* Macro for iterating over an array or object */ +#define cJSON_ArrayForEach(element, array) \ + for (element = (array != NULL) ? (array)->child : NULL; \ + element != NULL; element = element->next) + +/* malloc/free objects using the malloc/free functions that have been set with + * cJSON_InitHooks */ +CJSON_PUBLIC(void *) cJSON_malloc(size_t size); +CJSON_PUBLIC(void) cJSON_free(void *object); + +#ifdef __cplusplus +} +#endif + +#endif |