Using cJSON for the LSP

1 files changed, 354 insertions, 0 deletions

diff --git a/src/lsp/cJSON.h b/src/lsp/cJSON.h
new file mode 100644
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--- /dev/null
+++ b/src/lsp/cJSON.h
@@ -0,0 +1,354 @@
+/*
+  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 19
+
+#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
+
+/* Limits the length of circular references can be before cJSON rejects to parse them.
+ * This is to prevent stack overflows. */
+#ifndef CJSON_CIRCULAR_LIMIT
+#define CJSON_CIRCULAR_LIMIT 10000
+#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 address 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);
+
+/* If the object is not a boolean type this does nothing and returns cJSON_Invalid else it returns
+ * the new type*/
+#define cJSON_SetBoolValue(object, boolValue)                                                      \
+    ((object != NULL && ((object)->type & (cJSON_False | cJSON_True)))                             \
+         ? (object)->type = ((object)->type & (~(cJSON_False | cJSON_True))) |                     \
+                            ((boolValue) ? cJSON_True : cJSON_False)                               \
+         : cJSON_Invalid)
+
+/* 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