cJSON.cpp File Reference

#include <string.h>
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <limits.h>
#include <ctype.h>
#include <float.h>
#include "Util/cJSON.h"

Go to the source code of this file.

Classes
struct	error
struct	internal_hooks
struct	parse_buffer
struct	printbuffer

Macros
#define	true   ((cJSON_bool)1)
#define	false   ((cJSON_bool)0)
#define	isinf(d)   (isnan((d - d)) && !isnan(d))
#define	isnan(d)   (d != d)
#define	NAN   0.0/0.0
#define	internal_malloc   malloc
#define	internal_free   free
#define	internal_realloc   realloc
#define	static_strlen(string_literal)   (sizeof(string_literal) - sizeof(""))
#define	can_read(buffer, size)   ((buffer != NULL) && (((buffer)->offset + size) <= (buffer)->length))
#define	can_access_at_index(buffer, index)   ((buffer != NULL) && (((buffer)->offset + index) < (buffer)->length))
#define	cannot_access_at_index(buffer, index)   (!can_access_at_index(buffer, index))
#define	buffer_at_offset(buffer)   ((buffer)->content + (buffer)->offset)
#define	cjson_min(a, b)   (((a) < (b)) ? (a) : (b))

Typedefs
typedef struct internal_hooks	internal_hooks

Functions
	CJSON_PUBLIC (const char *) cJSON_GetErrorPtr(void)
	CJSON_PUBLIC (char *) cJSON_GetStringValue(const cJSON *const item)
	CJSON_PUBLIC (double) cJSON_GetNumberValue(const cJSON *const item)
static int	case_insensitive_strcmp (const unsigned char *string1, const unsigned char *string2)
static unsigned char *	cJSON_strdup (const unsigned char *string, const internal_hooks *const hooks)
	CJSON_PUBLIC (void) cJSON_InitHooks(cJSON_Hooks *hooks)
static cJSON *	cJSON_New_Item (const internal_hooks *const hooks)
static unsigned char	get_decimal_point (void)
static cJSON_bool	parse_number (cJSON *const item, parse_buffer *const input_buffer)
	if (!(object->type &cJSON_String)||(object->type &cJSON_IsReference))
	if (strlen(valuestring)<=strlen(object->valuestring))
	if (copy==NULL)
	if (object->valuestring !=NULL)
static unsigned char *	ensure (printbuffer *const p, size_t needed)
static void	update_offset (printbuffer *const buffer)
static cJSON_bool	compare_double (double a, double b)
static cJSON_bool	print_number (const cJSON *const item, printbuffer *const output_buffer)
static unsigned	parse_hex4 (const unsigned char *const input)
static unsigned char	utf16_literal_to_utf8 (const unsigned char *const input_pointer, const unsigned char *const input_end, unsigned char **output_pointer)
static cJSON_bool	parse_string (cJSON *const item, parse_buffer *const input_buffer)
static cJSON_bool	print_string_ptr (const unsigned char *const input, printbuffer *const output_buffer)
static cJSON_bool	print_string (const cJSON *const item, printbuffer *const p)
static cJSON_bool	parse_value (cJSON *const item, parse_buffer *const input_buffer)
static cJSON_bool	print_value (const cJSON *const item, printbuffer *const output_buffer)
static cJSON_bool	parse_array (cJSON *const item, parse_buffer *const input_buffer)
static cJSON_bool	print_array (const cJSON *const item, printbuffer *const output_buffer)
static cJSON_bool	parse_object (cJSON *const item, parse_buffer *const input_buffer)
static cJSON_bool	print_object (const cJSON *const item, printbuffer *const output_buffer)
static parse_buffer *	buffer_skip_whitespace (parse_buffer *const buffer)
static parse_buffer *	skip_utf8_bom (parse_buffer *const buffer)
	CJSON_PUBLIC (cJSON *) cJSON_ParseWithOpts(const char *value
	if (NULL==value)
return	cJSON_ParseWithLengthOpts (value, buffer_length, return_parse_end, require_null_terminated)
	if (value==NULL||0==buffer_length)
	if (item==NULL)
	if (!parse_value(item, buffer_skip_whitespace(skip_utf8_bom(&buffer))))
	if (require_null_terminated)
	if (return_parse_end)
	if (value !=NULL)
static unsigned char *	print (const cJSON *const item, cJSON_bool format, const internal_hooks *const hooks)
	if (prebuffer< 0)
	if (!p.buffer)
	if (!print_value(item, &p))
	return (char *) p.buffer
	CJSON_PUBLIC (cJSON_bool) cJSON_PrintPreallocated(cJSON *item
	if ((length< 0)||(buffer==NULL))
return	print_value (item, &p)
static cJSON *	get_array_item (const cJSON *array, size_t index)
static cJSON *	get_object_item (const cJSON *const object, const char *const name, const cJSON_bool case_sensitive)
static void	suffix_object (cJSON *prev, cJSON *item)
static cJSON *	create_reference (const cJSON *item, const internal_hooks *const hooks)
static cJSON_bool	add_item_to_array (cJSON *array, cJSON *item)
static void *	cast_away_const (const void *string)
static cJSON_bool	add_item_to_object (cJSON *const object, const char *const string, cJSON *const item, const internal_hooks *const hooks, const cJSON_bool constant_key)
	if (add_item_to_object(object, name, null, &global_hooks, false))
	cJSON_Delete (null)
	if (add_item_to_object(object, name, true_item, &global_hooks, false))
	cJSON_Delete (true_item)
	if (add_item_to_object(object, name, false_item, &global_hooks, false))
	cJSON_Delete (false_item)
	if (add_item_to_object(object, name, bool_item, &global_hooks, false))
	cJSON_Delete (bool_item)
	if (add_item_to_object(object, name, number_item, &global_hooks, false))
	cJSON_Delete (number_item)
	if (add_item_to_object(object, name, string_item, &global_hooks, false))
	cJSON_Delete (string_item)
	if (add_item_to_object(object, name, raw_item, &global_hooks, false))
	cJSON_Delete (raw_item)
	if (add_item_to_object(object, name, object_item, &global_hooks, false))
	cJSON_Delete (object_item)
	if (add_item_to_object(object, name, array, &global_hooks, false))
	cJSON_Delete (array)
return	cJSON_DetachItemViaPointer (object, to_detach)
	if (after_inserted==NULL)
	if (replacement->next !=NULL)
	if (parent->child==item)
	cJSON_Delete (item)
static cJSON_bool	replace_item_in_object (cJSON *object, const char *string, cJSON *replacement, cJSON_bool case_sensitive)
	if ((count< 0)||(numbers==NULL))
	for (i=0;a &&(i<(size_t) count);i++)
	if (a &&a->child)
	if ((count< 0)||(strings==NULL))
	if (!item)
	if (item->valuestring)
	while (child !=NULL)
	if (newitem &&newitem->child)
static void	skip_oneline_comment (char **input)
static void	skip_multiline_comment (char **input)
static void	minify_string (char **input, char **output)

Variables
static error	global_error = { NULL, 0 }
static internal_hooks	global_hooks = { internal_malloc, internal_free, internal_realloc }
double	number
const char *	valuestring
	copy = (char*) cJSON_strdup((const unsigned char*)valuestring, &global_hooks)
const char **	return_parse_end
const char cJSON_bool	require_null_terminated
	buffer_length = strlen(value) + sizeof("")
cJSON *	item = NULL
global_error	json = NULL
global_error	position = 0
buffer	content = (const unsigned char*)value
buffer	length = buffer_length
buffer	offset = 0
buffer	hooks = global_hooks
fail	__pad0__
return	NULL
int	prebuffer
int cJSON_bool	fmt
p	buffer = (unsigned char*)global_hooks.allocate((size_t)prebuffer)
p	noalloc = false
p	format = fmt
int	index
const char *const	string
const char *const	name
const char *const const cJSON_bool	boolean
const char *const const char *const	raw
item	next = NULL
int	which
int cJSON *	newitem
	after_inserted = get_array_item(array, (size_t)which)
newitem	prev = after_inserted->prev
	else
return	true
cJSON *const cJSON *	replacement
int	count
cJSON *	n = NULL
cJSON *	p = NULL
cJSON *	a = NULL
cJSON_bool	recurse
cJSON *	child = NULL
cJSON *	newchild = NULL
newitem	type = item->type & (~cJSON_IsReference)
newitem	valueint = item->valueint
newitem	valuedouble = item->valuedouble
fail	__pad1__
const cJSON *const	b

Macro Definition Documentation

buffer_at_offset

#define buffer_at_offset

(

buffer

)

((buffer)->content + (buffer)->offset)

Definition at line 303 of file cJSON.cpp.

can_access_at_index

#define can_access_at_index	(		buffer,
			index
	)		((buffer != NULL) && (((buffer)->offset + index) < (buffer)->length))

Definition at line 300 of file cJSON.cpp.

can_read

#define can_read	(		buffer,
			size
	)		((buffer != NULL) && (((buffer)->offset + size) <= (buffer)->length))

Definition at line 298 of file cJSON.cpp.

cannot_access_at_index

#define cannot_access_at_index	(		buffer,
			index
	)		(!can_access_at_index(buffer, index))

Definition at line 301 of file cJSON.cpp.

cjson_min

#define cjson_min	(		a,
			b
	)		(((a) < (b)) ? (a) : (b))

Definition at line 1187 of file cJSON.cpp.

false

#define false   ((cJSON_bool)0)

Definition at line 70 of file cJSON.cpp.

internal_free

#define internal_free   free

Definition at line 180 of file cJSON.cpp.

internal_malloc

#define internal_malloc   malloc

Definition at line 179 of file cJSON.cpp.

internal_realloc

#define internal_realloc   realloc

Definition at line 181 of file cJSON.cpp.

isinf

#define isinf

(

d

)

(isnan((d - d)) && !isnan(d))

Definition at line 74 of file cJSON.cpp.

isnan

#define isnan

(

d

)

(d != d)

Definition at line 77 of file cJSON.cpp.

NAN

#define NAN   0.0/0.0

Definition at line 84 of file cJSON.cpp.

static_strlen

#define static_strlen

(

string_literal

)

(sizeof(string_literal) - sizeof(""))

Definition at line 185 of file cJSON.cpp.

true

return true   ((cJSON_bool)1)

Definition at line 65 of file cJSON.cpp.

Typedef Documentation

internal_hooks

typedef struct internal_hooks internal_hooks

Function Documentation

add_item_to_array()

static cJSON_bool add_item_to_array ( cJSON *  array, cJSON *  item  )

static

Definition at line 1962 of file cJSON.cpp.

{
    cJSON *child = NULL;
 
    if ((item == NULL) || (array == NULL) || (array == item))
    {
        return false;
    }
 
    child = array->child;
    /*
     * To find the last item in array quickly, we use prev in array
     */
    if (child == NULL)
    {
        /* list is empty, start new one */
        array->child = item;
        item->prev = item;
        item->next = NULL;
    }
    else
    {
        /* append to the end */
        if (child->prev)
        {
            suffix_object(child->prev, item);
            array->child->prev = item;
        }
    }
 
    return true;
}

add_item_to_object()

static cJSON_bool add_item_to_object ( cJSON *const  object, const char *const  string, cJSON *const  item, const internal_hooks *const  hooks, const cJSON_bool  constant_key  )

static

Definition at line 2017 of file cJSON.cpp.

{
    char *new_key = NULL;
    int new_type = cJSON_Invalid;
 
    if ((object == NULL) || (string == NULL) || (item == NULL) || (object == item))
    {
        return false;
    }
 
    if (constant_key)
    {
        new_key = (char*)cast_away_const(string);
        new_type = item->type | cJSON_StringIsConst;
    }
    else
    {
        new_key = (char*)cJSON_strdup((const unsigned char*)string, hooks);
        if (new_key == NULL)
        {
            return false;
        }
 
        new_type = item->type & ~cJSON_StringIsConst;
    }
 
    if (!(item->type & cJSON_StringIsConst) && (item->string != NULL))
    {
        hooks->deallocate(item->string);
    }
 
    item->string = new_key;
    item->type = new_type;
 
    return add_item_to_array(object, item);
}

buffer_skip_whitespace()

static parse_buffer * buffer_skip_whitespace ( parse_buffer *const  buffer )

static

Definition at line 1040 of file cJSON.cpp.

{
    if ((buffer == NULL) || (buffer->content == NULL))
    {
        return NULL;
    }
 
    if (cannot_access_at_index(buffer, 0))
    {
        return buffer;
    }
 
    while (can_access_at_index(buffer, 0) && (buffer_at_offset(buffer)[0] <= 32))
    {
        buffer->offset++;
    }
 
    if (buffer->offset == buffer->length)
    {
        buffer->offset--;
    }
 
    return buffer;
}

case_insensitive_strcmp()

static int case_insensitive_strcmp ( const unsigned char *  string1, const unsigned char *  string2  )

static

Definition at line 134 of file cJSON.cpp.

{
    if ((string1 == NULL) || (string2 == NULL))
    {
        return 1;
    }
 
    if (string1 == string2)
    {
        return 0;
    }
 
    for(; tolower(*string1) == tolower(*string2); (void)string1++, string2++)
    {
        if (*string1 == '\0')
        {
            return 0;
        }
    }
 
    return tolower(*string1) - tolower(*string2);
}

cast_away_const()

static void * cast_away_const ( const void *  string )

static

Definition at line 2008 of file cJSON.cpp.

{
    return (void*)string;
}

cJSON_Delete() [1/10]

cJSON_Delete

(

array

)

cJSON_Delete() [2/10]

cJSON_Delete

(

bool_item

)

cJSON_Delete() [3/10]

cJSON_Delete

(

false_item

)

cJSON_Delete() [4/10]

cJSON_Delete

(

item

)

cJSON_Delete() [5/10]

cJSON_Delete

(

null

)

cJSON_Delete() [6/10]

cJSON_Delete

(

number_item

)

cJSON_Delete() [7/10]

cJSON_Delete

(

object_item

)

cJSON_Delete() [8/10]

cJSON_Delete

(

raw_item

)

cJSON_Delete() [9/10]

cJSON_Delete

(

string_item

)

cJSON_Delete() [10/10]

cJSON_Delete

(

true_item

)

cJSON_DetachItemViaPointer()

return cJSON_DetachItemViaPointer	(	object	,
		to_detach
	)

cJSON_New_Item()

static cJSON * cJSON_New_Item ( const internal_hooks *const  hooks )

static

Definition at line 242 of file cJSON.cpp.

{
    cJSON* node = (cJSON*)hooks->allocate(sizeof(cJSON));
    if (node)
    {
        memset(node, '\0', sizeof(cJSON));
    }
 
    return node;
}

cJSON_ParseWithLengthOpts()

return cJSON_ParseWithLengthOpts	(	value	,
		buffer_length	,
		return_parse_end	,
		require_null_terminated
	)

CJSON_PUBLIC() [1/6]

CJSON_PUBLIC

(

char *

)

const

Definition at line 100 of file cJSON.cpp.

{
    if (!cJSON_IsString(item))
    {
        return NULL;
    }
 
    return item->valuestring;
}

CJSON_PUBLIC() [2/6]

CJSON_PUBLIC

(

cJSON *

)

const

Definition at line 1177 of file cJSON.cpp.

{
    return cJSON_ParseWithOpts(value, 0, 0);
}

CJSON_PUBLIC() [3/6]

CJSON_PUBLIC

(

cJSON_bool

)

Definition at line 1833 of file cJSON.cpp.

{
    cJSON *child = NULL;
    size_t size = 0;
 
    if (array == NULL)
    {
        return 0;
    }
 
    child = array->child;
 
    while(child != NULL)
    {
        size++;
        child = child->next;
    }
 
    /* FIXME: Can overflow here. Cannot be fixed without breaking the API */
 
    return (int)size;
}

CJSON_PUBLIC() [4/6]

CJSON_PUBLIC

(

const char *

)

Definition at line 95 of file cJSON.cpp.

{
    return (const char*) (global_error.json + global_error.position);
}

CJSON_PUBLIC() [5/6]

CJSON_PUBLIC

(

double

)

const

Definition at line 110 of file cJSON.cpp.

{
    if (!cJSON_IsNumber(item))
    {
        return (double) NAN;
    }
 
    return item->valuedouble;
}

CJSON_PUBLIC() [6/6]

CJSON_PUBLIC

(

void

)

Definition at line 210 of file cJSON.cpp.

{
    if (hooks == NULL)
    {
        /* Reset hooks */
        global_hooks.allocate = malloc;
        global_hooks.deallocate = free;
        global_hooks.reallocate = realloc;
        return;
    }
 
    global_hooks.allocate = malloc;
    if (hooks->malloc_fn != NULL)
    {
        global_hooks.allocate = hooks->malloc_fn;
    }
 
    global_hooks.deallocate = free;
    if (hooks->free_fn != NULL)
    {
        global_hooks.deallocate = hooks->free_fn;
    }
 
    /* use realloc only if both free and malloc are used */
    global_hooks.reallocate = NULL;
    if ((global_hooks.allocate == malloc) && (global_hooks.deallocate == free))
    {
        global_hooks.reallocate = realloc;
    }
}

cJSON_strdup()

static unsigned char * cJSON_strdup ( const unsigned char *  string, const internal_hooks *const  hooks  )

static

Definition at line 189 of file cJSON.cpp.

{
    size_t length = 0;
    unsigned char *copy = NULL;
 
    if (string == NULL)
    {
        return NULL;
    }
 
    length = strlen((const char*)string) + sizeof("");
    copy = (unsigned char*)hooks->allocate(length);
    if (copy == NULL)
    {
        return NULL;
    }
    memcpy(copy, string, length);
 
    return copy;
}

compare_double()

static cJSON_bool compare_double ( double  a, double  b  )

static

Definition at line 540 of file cJSON.cpp.

{
    double maxVal = fabs(a) > fabs(b) ? fabs(a) : fabs(b);
    return (fabs(a - b) <= maxVal * DBL_EPSILON);
}

create_reference()

static cJSON * create_reference ( const cJSON *  item, const internal_hooks *const  hooks  )

static

Definition at line 1941 of file cJSON.cpp.

{
    cJSON *reference = NULL;
    if (item == NULL)
    {
        return NULL;
    }
 
    reference = cJSON_New_Item(hooks);
    if (reference == NULL)
    {
        return NULL;
    }
 
    memcpy(reference, item, sizeof(cJSON));
    reference->string = NULL;
    reference->type |= cJSON_IsReference;
    reference->next = reference->prev = NULL;
    return reference;
}

ensure()

static unsigned char * ensure ( printbuffer *const  p, size_t  needed  )

static

Definition at line 440 of file cJSON.cpp.

{
    unsigned char *newbuffer = NULL;
    size_t newsize = 0;
 
    if ((p == NULL) || (p->buffer == NULL))
    {
        return NULL;
    }
 
    if ((p->length > 0) && (p->offset >= p->length))
    {
        /* make sure that offset is valid */
        return NULL;
    }
 
    if (needed > INT_MAX)
    {
        /* sizes bigger than INT_MAX are currently not supported */
        return NULL;
    }
 
    needed += p->offset + 1;
    if (needed <= p->length)
    {
        return p->buffer + p->offset;
    }
 
    if (p->noalloc)
    {
        return NULL;
    }
 
    /* calculate new buffer size */
    if (needed > (INT_MAX / 2))
    {
        /* overflow of int, use INT_MAX if possible */
        if (needed <= INT_MAX)
        {
            newsize = INT_MAX;
        }
        else
        {
            return NULL;
        }
    }
    else
    {
        newsize = needed * 2;
    }
 
    if (p->hooks.reallocate != NULL)
    {
        /* reallocate with realloc if available */
        newbuffer = (unsigned char*)p->hooks.reallocate(p->buffer, newsize);
        if (newbuffer == NULL)
        {
            p->hooks.deallocate(p->buffer);
            p->length = 0;
            p->buffer = NULL;
 
            return NULL;
        }
    }
    else
    {
        /* otherwise reallocate manually */
        newbuffer = (unsigned char*)p->hooks.allocate(newsize);
        if (!newbuffer)
        {
            p->hooks.deallocate(p->buffer);
            p->length = 0;
            p->buffer = NULL;
 
            return NULL;
        }
 
        memcpy(newbuffer, p->buffer, p->offset + 1);
        p->hooks.deallocate(p->buffer);
    }
    p->length = newsize;
    p->buffer = newbuffer;
 
    return newbuffer + p->offset;
}

for()

for

(

i

= 0; a && (i < (size_t)count); i++

)

Definition at line 2569 of file cJSON.cpp.

    {
        n = cJSON_CreateNumber(numbers[i]);
        if (!n)
        {
            cJSON_Delete(a);
            return NULL;
        }
        if(!i)
        {
            a->child = n;
        }
        else
        {
            suffix_object(p, n);
        }
        p = n;
    }

get_array_item()

static cJSON * get_array_item ( const cJSON *  array, size_t  index  )

static

Definition at line 1856 of file cJSON.cpp.

{
    cJSON *current_child = NULL;
 
    if (array == NULL)
    {
        return NULL;
    }
 
    current_child = array->child;
    while ((current_child != NULL) && (index > 0))
    {
        index--;
        current_child = current_child->next;
    }
 
    return current_child;
}

get_decimal_point()

static unsigned char get_decimal_point ( void  )

static

Definition at line 278 of file cJSON.cpp.

{
#ifdef ENABLE_LOCALES
    struct lconv *lconv = localeconv();
    return (unsigned char) lconv->decimal_point[0];
#else
    return '.';
#endif
}

get_object_item()

static cJSON * get_object_item ( const cJSON *const  object, const char *const  name, const cJSON_bool  case_sensitive  )

static

Definition at line 1885 of file cJSON.cpp.

{
    cJSON *current_element = NULL;
 
    if ((object == NULL) || (name == NULL))
    {
        return NULL;
    }
 
    current_element = object->child;
    if (case_sensitive)
    {
        while ((current_element != NULL) && (current_element->string != NULL) && (strcmp(name, current_element->string) != 0))
        {
            current_element = current_element->next;
        }
    }
    else
    {
        while ((current_element != NULL) && (case_insensitive_strcmp((const unsigned char*)name, (const unsigned char*)(current_element->string)) != 0))
        {
            current_element = current_element->next;
        }
    }
 
    if ((current_element == NULL) || (current_element->string == NULL))
    {
        return NULL;
    }
 
    return current_element;
}

if() [1/33]

if

(

!

object->type &cJSON_String)||(object->type &cJSON_IsReference

)

Definition at line 405 of file cJSON.cpp.

    {
        return NULL;
    }

if() [2/33]

if

(

!

item

)

Definition at line 2728 of file cJSON.cpp.

    {
        goto fail;
    }

if() [3/33]

if

(

!p.

buffer

)

Definition at line 1275 of file cJSON.cpp.

    {
        return NULL;
    }

if() [4/33]

if

(

!

parse_valueitem, buffer_skip_whitespace(skip_utf8_bom(&buffer))

)

Definition at line 1122 of file cJSON.cpp.

    {
        /* parse failure. ep is set. */
        goto fail;
    }

if() [5/33]

if

(

!

print_valueitem, &p

)

Definition at line 1286 of file cJSON.cpp.

    {
        global_hooks.deallocate(p.buffer);
        return NULL;
    }

if() [6/33]

if

(

(count< 0)||(numbers==NULL)

)

Definition at line 2562 of file cJSON.cpp.

    {
        return NULL;
    }

if() [7/33]

if

(

(count< 0)||(strings==NULL)

)

Definition at line 2685 of file cJSON.cpp.

    {
        return NULL;
    }

if() [8/33]

if

(

(length< 0)||(buffer==NULL)

)

Definition at line 1299 of file cJSON.cpp.

    {
        return false;
    }

if() [9/33]

if

(

a &&a->

child

)

Definition at line 2588 of file cJSON.cpp.

    {
        a->child->prev = n;
    }

if() [10/33]

if

(

add_item_to_object(object, name, array, &global_hooks, false)

)

Definition at line 2184 of file cJSON.cpp.

    {
        return array;
    }

if() [11/33]

if

(

add_item_to_object(object, name, bool_item, &global_hooks, false)

)

Definition at line 2124 of file cJSON.cpp.

    {
        return bool_item;
    }

if() [12/33]

if

(

add_item_to_object(object, name, false_item, &global_hooks, false)

)

Definition at line 2112 of file cJSON.cpp.

    {
        return false_item;
    }

if() [13/33]

if

(

add_item_to_object(object, name, null, &global_hooks, false)

)

Definition at line 2088 of file cJSON.cpp.

    {
        return null;
    }

if() [14/33]

if

(

add_item_to_object(object, name, number_item, &global_hooks, false)

)

Definition at line 2136 of file cJSON.cpp.

    {
        return number_item;
    }

if() [15/33]

if

(

add_item_to_object(object, name, object_item, &global_hooks, false)

)

Definition at line 2172 of file cJSON.cpp.

    {
        return object_item;
    }

if() [16/33]

if

(

add_item_to_object(object, name, raw_item, &global_hooks, false)

)

Definition at line 2160 of file cJSON.cpp.

    {
        return raw_item;
    }

if() [17/33]

if

(

add_item_to_object(object, name, string_item, &global_hooks, false)

)

Definition at line 2148 of file cJSON.cpp.

    {
        return string_item;
    }

if() [18/33]

if

(

add_item_to_object(object, name, true_item, &global_hooks, false)

)

Definition at line 2100 of file cJSON.cpp.

    {
        return true_item;
    }

if() [19/33]

if

(

after_inserted

= = NULL

)

Definition at line 2279 of file cJSON.cpp.

    {
        return add_item_to_array(array, newitem);
    }

if() [20/33]

if

(

copy

= = NULL

)

Definition at line 415 of file cJSON.cpp.

    {
        return NULL;
    }

if() [21/33]

if

(

item->

valuestring

)

Definition at line 2742 of file cJSON.cpp.

    {
        newitem->valuestring = (char*)cJSON_strdup((unsigned char*)item->valuestring, &global_hooks);
        if (!newitem->valuestring)
        {
            goto fail;
        }
    }

if() [22/33]

if

(

item

= = NULL

)

Definition at line 1117 of file cJSON.cpp.

    {
        goto fail;
    }

if() [23/33]

if

(

newitem &&newitem->

child

)

Definition at line 2787 of file cJSON.cpp.

    {
        newitem->child->prev = newchild;
    }

if() [24/33]

if

(

NULL

= = value

)

Definition at line 1085 of file cJSON.cpp.

    {
        return NULL;
    }

if() [25/33]

if

(

object->valuestring !

= NULL

)

Definition at line 419 of file cJSON.cpp.

    {
        cJSON_free(object->valuestring);
    }

if() [26/33]

if

(

parent->

child = = item

)

Definition at line 2317 of file cJSON.cpp.

    {
        if (parent->child->prev == parent->child)
        {
            replacement->prev = replacement;
        }
        parent->child = replacement;
    }

if() [27/33]

if

(

)

Definition at line 1269 of file cJSON.cpp.

    {
        return NULL;
    }

if() [28/33]

if

(

replacement->next !

= NULL

)

Definition at line 2313 of file cJSON.cpp.

    {
        replacement->next->prev = replacement;
    }

if() [29/33]

if

(

require_null_terminated

)

Definition at line 1129 of file cJSON.cpp.

    {
        buffer_skip_whitespace(&buffer);
        if ((buffer.offset >= buffer.length) || buffer_at_offset(&buffer)[0] != '\0')
        {
            goto fail;
        }
    }

if() [30/33]

if

(

return_parse_end

)

Definition at line 1137 of file cJSON.cpp.

    {
        *return_parse_end = (const char*)buffer_at_offset(&buffer);
    }

if() [31/33]

if

(

strlen(valuestring)<=strlen(object->valuestring)

)

Definition at line 409 of file cJSON.cpp.

    {
        strcpy(object->valuestring, valuestring);
        return object->valuestring;
    }

if() [32/33]

if

(

value !

= NULL

)

Definition at line 1150 of file cJSON.cpp.

    {
        error local_error;
        local_error.json = (const unsigned char*)value;
        local_error.position = 0;
 
        if (buffer.offset < buffer.length)
        {
            local_error.position = buffer.offset;
        }
        else if (buffer.length > 0)
        {
            local_error.position = buffer.length - 1;
        }
 
        if (return_parse_end != NULL)
        {
            *return_parse_end = (const char*)local_error.json + local_error.position;
        }
 
        global_error = local_error;
    }

if() [33/33]

if

(

value

= = NULL || 0 == buffer_length

)

Definition at line 1106 of file cJSON.cpp.

    {
        goto fail;
    }

minify_string()

static void minify_string ( char **  input, char **  output  )

static

Definition at line 2831 of file cJSON.cpp.

{
    (*output)[0] = (*input)[0];
    *input += static_strlen("\"");
    *output += static_strlen("\"");
 
 
    for (; (*input)[0] != '\0'; (void)++(*input), ++(*output))
    {
        (*output)[0] = (*input)[0];
 
        if ((*input)[0] == '\"')
        {
            (*output)[0] = '\"';
            *input += static_strlen("\"");
            *output += static_strlen("\"");
            return;
        }
        else if (((*input)[0] == '\\') && ((*input)[1] == '\"'))
        {
            (*output)[1] = (*input)[1];
            *input += static_strlen("\"");
            *output += static_strlen("\"");
        }
    }
}

parse_array()

static cJSON_bool parse_array ( cJSON *const  item, parse_buffer *const  input_buffer  )

static

Definition at line 1444 of file cJSON.cpp.

{
    cJSON *head = NULL; /* head of the linked list */
    cJSON *current_item = NULL;
 
    if (input_buffer->depth >= CJSON_NESTING_LIMIT)
    {
        return false; /* to deeply nested */
    }
    input_buffer->depth++;
 
    if (buffer_at_offset(input_buffer)[0] != '[')
    {
        /* not an array */
        goto fail;
    }
 
    input_buffer->offset++;
    buffer_skip_whitespace(input_buffer);
    if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ']'))
    {
        /* empty array */
        goto success;
    }
 
    /* check if we skipped to the end of the buffer */
    if (cannot_access_at_index(input_buffer, 0))
    {
        input_buffer->offset--;
        goto fail;
    }
 
    /* step back to character in front of the first element */
    input_buffer->offset--;
    /* loop through the comma separated array elements */
    do
    {
        /* allocate next item */
        cJSON *new_item = cJSON_New_Item(&(input_buffer->hooks));
        if (new_item == NULL)
        {
            goto fail; /* allocation failure */
        }
 
        /* attach next item to list */
        if (head == NULL)
        {
            /* start the linked list */
            current_item = head = new_item;
        }
        else
        {
            /* add to the end and advance */
            current_item->next = new_item;
            new_item->prev = current_item;
            current_item = new_item;
        }
 
        /* parse next value */
        input_buffer->offset++;
        buffer_skip_whitespace(input_buffer);
        if (!parse_value(current_item, input_buffer))
        {
            goto fail; /* failed to parse value */
        }
        buffer_skip_whitespace(input_buffer);
    }
    while (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ','));
 
    if (cannot_access_at_index(input_buffer, 0) || buffer_at_offset(input_buffer)[0] != ']')
    {
        goto fail; /* expected end of array */
    }
 
success:
    input_buffer->depth--;
 
    if (head != NULL)
    {
        head->prev = current_item;
    }
 
    item->type = cJSON_Array;
    item->child = head;
 
    input_buffer->offset++;
 
    return true;
 
fail:
    if (head != NULL)
    {
        cJSON_Delete(head);
    }
 
    return false;
}

parse_hex4()

static unsigned parse_hex4 ( const unsigned char *const  input )

static

Definition at line 617 of file cJSON.cpp.

{
    unsigned int h = 0;
    size_t i = 0;
 
    for (i = 0; i < 4; i++)
    {
        /* parse digit */
        if ((input[i] >= '0') && (input[i] <= '9'))
        {
            h += (unsigned int) input[i] - '0';
        }
        else if ((input[i] >= 'A') && (input[i] <= 'F'))
        {
            h += (unsigned int) 10 + input[i] - 'A';
        }
        else if ((input[i] >= 'a') && (input[i] <= 'f'))
        {
            h += (unsigned int) 10 + input[i] - 'a';
        }
        else /* invalid */
        {
            return 0;
        }
 
        if (i < 3)
        {
            /* shift left to make place for the next nibble */
            h = h << 4;
        }
    }
 
    return h;
}

parse_number()

static cJSON_bool parse_number ( cJSON *const  item, parse_buffer *const  input_buffer  )

static

Definition at line 306 of file cJSON.cpp.

{
    double number = 0;
    unsigned char *after_end = NULL;
    unsigned char number_c_string[64];
    unsigned char decimal_point = get_decimal_point();
    size_t i = 0;
 
    if ((input_buffer == NULL) || (input_buffer->content == NULL))
    {
        return false;
    }
 
    /* copy the number into a temporary buffer and replace '.' with the decimal point
     * of the current locale (for strtod)
     * This also takes care of '\0' not necessarily being available for marking the end of the input */
    for (i = 0; (i < (sizeof(number_c_string) - 1)) && can_access_at_index(input_buffer, i); i++)
    {
        switch (buffer_at_offset(input_buffer)[i])
        {
        case '0':
        case '1':
        case '2':
        case '3':
        case '4':
        case '5':
        case '6':
        case '7':
        case '8':
        case '9':
        case '+':
        case '-':
        case 'e':
        case 'E':
            number_c_string[i] = buffer_at_offset(input_buffer)[i];
            break;
 
        case '.':
            number_c_string[i] = decimal_point;
            break;
 
        default:
            goto loop_end;
        }
    }
loop_end:
    number_c_string[i] = '\0';
 
    number = strtod((const char*)number_c_string, (char**)&after_end);
    if (number_c_string == after_end)
    {
        return false; /* parse_error */
    }
 
    item->valuedouble = number;
 
    /* use saturation in case of overflow */
    if (number >= INT_MAX)
    {
        item->valueint = INT_MAX;
    }
    else if (number <= (double)INT_MIN)
    {
        item->valueint = INT_MIN;
    }
    else
    {
        item->valueint = (int)number;
    }
 
    item->type = cJSON_Number;
 
    input_buffer->offset += (size_t)(after_end - number_c_string);
    return true;
}

parse_object()

static cJSON_bool parse_object ( cJSON *const  item, parse_buffer *const  input_buffer  )

static

Definition at line 1605 of file cJSON.cpp.

{
    cJSON *head = NULL; /* linked list head */
    cJSON *current_item = NULL;
 
    if (input_buffer->depth >= CJSON_NESTING_LIMIT)
    {
        return false; /* to deeply nested */
    }
    input_buffer->depth++;
 
    if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != '{'))
    {
        goto fail; /* not an object */
    }
 
    input_buffer->offset++;
    buffer_skip_whitespace(input_buffer);
    if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '}'))
    {
        goto success; /* empty object */
    }
 
    /* check if we skipped to the end of the buffer */
    if (cannot_access_at_index(input_buffer, 0))
    {
        input_buffer->offset--;
        goto fail;
    }
 
    /* step back to character in front of the first element */
    input_buffer->offset--;
    /* loop through the comma separated array elements */
    do
    {
        /* allocate next item */
        cJSON *new_item = cJSON_New_Item(&(input_buffer->hooks));
        if (new_item == NULL)
        {
            goto fail; /* allocation failure */
        }
 
        /* attach next item to list */
        if (head == NULL)
        {
            /* start the linked list */
            current_item = head = new_item;
        }
        else
        {
            /* add to the end and advance */
            current_item->next = new_item;
            new_item->prev = current_item;
            current_item = new_item;
        }
 
        /* parse the name of the child */
        input_buffer->offset++;
        buffer_skip_whitespace(input_buffer);
        if (!parse_string(current_item, input_buffer))
        {
            goto fail; /* failed to parse name */
        }
        buffer_skip_whitespace(input_buffer);
 
        /* swap valuestring and string, because we parsed the name */
        current_item->string = current_item->valuestring;
        current_item->valuestring = NULL;
 
        if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != ':'))
        {
            goto fail; /* invalid object */
        }
 
        /* parse the value */
        input_buffer->offset++;
        buffer_skip_whitespace(input_buffer);
        if (!parse_value(current_item, input_buffer))
        {
            goto fail; /* failed to parse value */
        }
        buffer_skip_whitespace(input_buffer);
    }
    while (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ','));
 
    if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != '}'))
    {
        goto fail; /* expected end of object */
    }
 
success:
    input_buffer->depth--;
 
    if (head != NULL)
    {
        head->prev = current_item;
    }
 
    item->type = cJSON_Object;
    item->child = head;
 
    input_buffer->offset++;
    return true;
 
fail:
    if (head != NULL)
    {
        cJSON_Delete(head);
    }
 
    return false;
}

parse_string()

static cJSON_bool parse_string ( cJSON *const  item, parse_buffer *const  input_buffer  )

static

Definition at line 775 of file cJSON.cpp.

{
    const unsigned char *input_pointer = buffer_at_offset(input_buffer) + 1;
    const unsigned char *input_end = buffer_at_offset(input_buffer) + 1;
    unsigned char *output_pointer = NULL;
    unsigned char *output = NULL;
 
    /* not a string */
    if (buffer_at_offset(input_buffer)[0] != '\"')
    {
        goto fail;
    }
 
    {
        /* calculate approximate size of the output (overestimate) */
        size_t allocation_length = 0;
        size_t skipped_bytes = 0;
        while (((size_t)(input_end - input_buffer->content) < input_buffer->length) && (*input_end != '\"'))
        {
            /* is escape sequence */
            if (input_end[0] == '\\')
            {
                if ((size_t)(input_end + 1 - input_buffer->content) >= input_buffer->length)
                {
                    /* prevent buffer overflow when last input character is a backslash */
                    goto fail;
                }
                skipped_bytes++;
                input_end++;
            }
            input_end++;
        }
        if (((size_t)(input_end - input_buffer->content) >= input_buffer->length) || (*input_end != '\"'))
        {
            goto fail; /* string ended unexpectedly */
        }
 
        /* This is at most how much we need for the output */
        allocation_length = (size_t) (input_end - buffer_at_offset(input_buffer)) - skipped_bytes;
        output = (unsigned char*)input_buffer->hooks.allocate(allocation_length + sizeof(""));
        if (output == NULL)
        {
            goto fail; /* allocation failure */
        }
    }
 
    output_pointer = output;
    /* loop through the string literal */
    while (input_pointer < input_end)
    {
        if (*input_pointer != '\\')
        {
            *output_pointer++ = *input_pointer++;
        }
        /* escape sequence */
        else
        {
            unsigned char sequence_length = 2;
            if ((input_end - input_pointer) < 1)
            {
                goto fail;
            }
 
            switch (input_pointer[1])
            {
            case 'b':
                *output_pointer++ = '\b';
                break;
            case 'f':
                *output_pointer++ = '\f';
                break;
            case 'n':
                *output_pointer++ = '\n';
                break;
            case 'r':
                *output_pointer++ = '\r';
                break;
            case 't':
                *output_pointer++ = '\t';
                break;
            case '\"':
            case '\\':
            case '/':
                *output_pointer++ = input_pointer[1];
                break;
 
            /* UTF-16 literal */
            case 'u':
                sequence_length = utf16_literal_to_utf8(input_pointer, input_end, &output_pointer);
                if (sequence_length == 0)
                {
                    /* failed to convert UTF16-literal to UTF-8 */
                    goto fail;
                }
                break;
 
            default:
                goto fail;
            }
            input_pointer += sequence_length;
        }
    }
 
    /* zero terminate the output */
    *output_pointer = '\0';
 
    item->type = cJSON_String;
    item->valuestring = (char*)output;
 
    input_buffer->offset = (size_t) (input_end - input_buffer->content);
    input_buffer->offset++;
 
    return true;
 
fail:
    if (output != NULL)
    {
        input_buffer->hooks.deallocate(output);
    }
 
    if (input_pointer != NULL)
    {
        input_buffer->offset = (size_t)(input_pointer - input_buffer->content);
    }
 
    return false;
}

parse_value()

static cJSON_bool parse_value ( cJSON *const  item, parse_buffer *const  input_buffer  )

static

Definition at line 1315 of file cJSON.cpp.

{
    if ((input_buffer == NULL) || (input_buffer->content == NULL))
    {
        return false; /* no input */
    }
 
    /* parse the different types of values */
    /* null */
    if (can_read(input_buffer, 4) && (strncmp((const char*)buffer_at_offset(input_buffer), "null", 4) == 0))
    {
        item->type = cJSON_NULL;
        input_buffer->offset += 4;
        return true;
    }
    /* false */
    if (can_read(input_buffer, 5) && (strncmp((const char*)buffer_at_offset(input_buffer), "false", 5) == 0))
    {
        item->type = cJSON_False;
        input_buffer->offset += 5;
        return true;
    }
    /* true */
    if (can_read(input_buffer, 4) && (strncmp((const char*)buffer_at_offset(input_buffer), "true", 4) == 0))
    {
        item->type = cJSON_True;
        item->valueint = 1;
        input_buffer->offset += 4;
        return true;
    }
    /* string */
    if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '\"'))
    {
        return parse_string(item, input_buffer);
    }
    /* number */
    if (can_access_at_index(input_buffer, 0) && ((buffer_at_offset(input_buffer)[0] == '-') || ((buffer_at_offset(input_buffer)[0] >= '0') && (buffer_at_offset(input_buffer)[0] <= '9'))))
    {
        return parse_number(item, input_buffer);
    }
    /* array */
    if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '['))
    {
        return parse_array(item, input_buffer);
    }
    /* object */
    if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '{'))
    {
        return parse_object(item, input_buffer);
    }
 
    return false;
}

print()

static unsigned char * print ( const cJSON *const  item, cJSON_bool  format, const internal_hooks *const  hooks  )

static

Definition at line 1189 of file cJSON.cpp.

{
    static const size_t default_buffer_size = 256;
    printbuffer buffer[1];
    unsigned char *printed = NULL;
 
    memset(buffer, 0, sizeof(buffer));
 
    /* create buffer */
    buffer->buffer = (unsigned char*) hooks->allocate(default_buffer_size);
    buffer->length = default_buffer_size;
    buffer->format = format;
    buffer->hooks = *hooks;
    if (buffer->buffer == NULL)
    {
        goto fail;
    }
 
    /* print the value */
    if (!print_value(item, buffer))
    {
        goto fail;
    }
    update_offset(buffer);
 
    /* check if reallocate is available */
    if (hooks->reallocate != NULL)
    {
        printed = (unsigned char*) hooks->reallocate(buffer->buffer, buffer->offset + 1);
        if (printed == NULL)
        {
            goto fail;
        }
        buffer->buffer = NULL;
    }
    else /* otherwise copy the JSON over to a new buffer */
    {
        printed = (unsigned char*) hooks->allocate(buffer->offset + 1);
        if (printed == NULL)
        {
            goto fail;
        }
        memcpy(printed, buffer->buffer, cjson_min(buffer->length, buffer->offset + 1));
        printed[buffer->offset] = '\0'; /* just to be sure */
 
        /* free the buffer */
        hooks->deallocate(buffer->buffer);
    }
 
    return printed;
 
fail:
    if (buffer->buffer != NULL)
    {
        hooks->deallocate(buffer->buffer);
    }
 
    if (printed != NULL)
    {
        hooks->deallocate(printed);
    }
 
    return NULL;
}

print_array()

static cJSON_bool print_array ( const cJSON *const  item, printbuffer *const  output_buffer  )

static

Definition at line 1543 of file cJSON.cpp.

{
    unsigned char *output_pointer = NULL;
    size_t length = 0;
    cJSON *current_element = item->child;
 
    if (output_buffer == NULL)
    {
        return false;
    }
 
    /* Compose the output array. */
    /* opening square bracket */
    output_pointer = ensure(output_buffer, 1);
    if (output_pointer == NULL)
    {
        return false;
    }
 
    *output_pointer = '[';
    output_buffer->offset++;
    output_buffer->depth++;
 
    while (current_element != NULL)
    {
        if (!print_value(current_element, output_buffer))
        {
            return false;
        }
        update_offset(output_buffer);
        if (current_element->next)
        {
            length = (size_t) (output_buffer->format ? 2 : 1);
            output_pointer = ensure(output_buffer, length + 1);
            if (output_pointer == NULL)
            {
                return false;
            }
            *output_pointer++ = ',';
            if(output_buffer->format)
            {
                *output_pointer++ = ' ';
            }
            *output_pointer = '\0';
            output_buffer->offset += length;
        }
        current_element = current_element->next;
    }
 
    output_pointer = ensure(output_buffer, 2);
    if (output_pointer == NULL)
    {
        return false;
    }
    *output_pointer++ = ']';
    *output_pointer = '\0';
    output_buffer->depth--;
 
    return true;
}

print_number()

static cJSON_bool print_number ( const cJSON *const  item, printbuffer *const  output_buffer  )

static

Definition at line 547 of file cJSON.cpp.

{
    unsigned char *output_pointer = NULL;
    double d = item->valuedouble;
    int length = 0;
    size_t i = 0;
    unsigned char number_buffer[26] = {0}; /* temporary buffer to print the number into */
    unsigned char decimal_point = get_decimal_point();
    double test = 0.0;
 
    if (output_buffer == NULL)
    {
        return false;
    }
 
    /* This checks for NaN and Infinity */
    if (isnan(d) || isinf(d))
    {
        length = snprintf((char*)number_buffer, sizeof(number_buffer), "null");
    }
    else if(d == (double)item->valueint)
    {
        length = snprintf((char*)number_buffer, sizeof(number_buffer), "%d", item->valueint);
    }
    else
    {
        /* Try 15 decimal places of precision to avoid nonsignificant nonzero digits */
        length = snprintf((char*)number_buffer, sizeof(number_buffer), "%1.15g", d);
 
        /* Check whether the original double can be recovered */
        if ((sscanf((char*)number_buffer, "%lg", &test) != 1) || !compare_double((double)test, d))
        {
            /* If not, print with 17 decimal places of precision */
            length = snprintf((char*)number_buffer, sizeof(number_buffer), "%1.17g", d);
        }
    }
 
    /* sprintf failed or buffer overrun occurred */
    if ((length < 0) || (length > (int)(sizeof(number_buffer) - 1)))
    {
        return false;
    }
 
    /* reserve appropriate space in the output */
    output_pointer = ensure(output_buffer, (size_t)length + sizeof(""));
    if (output_pointer == NULL)
    {
        return false;
    }
 
    /* copy the printed number to the output and replace locale
     * dependent decimal point with '.' */
    for (i = 0; i < ((size_t)length); i++)
    {
        if (number_buffer[i] == decimal_point)
        {
            output_pointer[i] = '.';
            continue;
        }
 
        output_pointer[i] = number_buffer[i];
    }
    output_pointer[i] = '\0';
 
    output_buffer->offset += (size_t)length;
 
    return true;
}

print_object()

static cJSON_bool print_object ( const cJSON *const  item, printbuffer *const  output_buffer  )

static

Definition at line 1719 of file cJSON.cpp.

{
    unsigned char *output_pointer = NULL;
    size_t length = 0;
    cJSON *current_item = item->child;
 
    if (output_buffer == NULL)
    {
        return false;
    }
 
    /* Compose the output: */
    length = (size_t) (output_buffer->format ? 2 : 1); /* fmt: {\n */
    output_pointer = ensure(output_buffer, length + 1);
    if (output_pointer == NULL)
    {
        return false;
    }
 
    *output_pointer++ = '{';
    output_buffer->depth++;
    if (output_buffer->format)
    {
        *output_pointer++ = '\n';
    }
    output_buffer->offset += length;
 
    while (current_item)
    {
        if (output_buffer->format)
        {
            size_t i;
            output_pointer = ensure(output_buffer, output_buffer->depth);
            if (output_pointer == NULL)
            {
                return false;
            }
            for (i = 0; i < output_buffer->depth; i++)
            {
                *output_pointer++ = '\t';
            }
            output_buffer->offset += output_buffer->depth;
        }
 
        /* print key */
        if (!print_string_ptr((unsigned char*)current_item->string, output_buffer))
        {
            return false;
        }
        update_offset(output_buffer);
 
        length = (size_t) (output_buffer->format ? 2 : 1);
        output_pointer = ensure(output_buffer, length);
        if (output_pointer == NULL)
        {
            return false;
        }
        *output_pointer++ = ':';
        if (output_buffer->format)
        {
            *output_pointer++ = '\t';
        }
        output_buffer->offset += length;
 
        /* print value */
        if (!print_value(current_item, output_buffer))
        {
            return false;
        }
        update_offset(output_buffer);
 
        /* print comma if not last */
        length = ((size_t)(output_buffer->format ? 1 : 0) + (size_t)(current_item->next ? 1 : 0));
        output_pointer = ensure(output_buffer, length + 1);
        if (output_pointer == NULL)
        {
            return false;
        }
        if (current_item->next)
        {
            *output_pointer++ = ',';
        }
 
        if (output_buffer->format)
        {
            *output_pointer++ = '\n';
        }
        *output_pointer = '\0';
        output_buffer->offset += length;
 
        current_item = current_item->next;
    }
 
    output_pointer = ensure(output_buffer, output_buffer->format ? (output_buffer->depth + 1) : 2);
    if (output_pointer == NULL)
    {
        return false;
    }
    if (output_buffer->format)
    {
        size_t i;
        for (i = 0; i < (output_buffer->depth - 1); i++)
        {
            *output_pointer++ = '\t';
        }
    }
    *output_pointer++ = '}';
    *output_pointer = '\0';
    output_buffer->depth--;
 
    return true;
}

print_string()

static cJSON_bool print_string ( const cJSON *const  item, printbuffer *const  p  )

static

Definition at line 1026 of file cJSON.cpp.

{
    return print_string_ptr((unsigned char*)item->valuestring, p);
}

print_string_ptr()

static cJSON_bool print_string_ptr ( const unsigned char *const  input, printbuffer *const  output_buffer  )

static

Definition at line 904 of file cJSON.cpp.

{
    const unsigned char *input_pointer = NULL;
    unsigned char *output = NULL;
    unsigned char *output_pointer = NULL;
    size_t output_length = 0;
    /* numbers of additional characters needed for escaping */
    size_t escape_characters = 0;
 
    if (output_buffer == NULL)
    {
        return false;
    }
 
    /* empty string */
    if (input == NULL)
    {
        output = ensure(output_buffer, sizeof("\"\""));
        if (output == NULL)
        {
            return false;
        }
        strcpy((char*)output, "\"\"");
 
        return true;
    }
 
    /* set "flag" to 1 if something needs to be escaped */
    for (input_pointer = input; *input_pointer; input_pointer++)
    {
        switch (*input_pointer)
        {
        case '\"':
        case '\\':
        case '\b':
        case '\f':
        case '\n':
        case '\r':
        case '\t':
            /* one character escape sequence */
            escape_characters++;
            break;
        default:
            if (*input_pointer < 32)
            {
                /* UTF-16 escape sequence uXXXX */
                escape_characters += 5;
            }
            break;
        }
    }
    output_length = (size_t)(input_pointer - input) + escape_characters;
 
    output = ensure(output_buffer, output_length + sizeof("\"\""));
    if (output == NULL)
    {
        return false;
    }
 
    /* no characters have to be escaped */
    if (escape_characters == 0)
    {
        output[0] = '\"';
        memcpy(output + 1, input, output_length);
        output[output_length + 1] = '\"';
        output[output_length + 2] = '\0';
 
        return true;
    }
 
    output[0] = '\"';
    output_pointer = output + 1;
    /* copy the string */
    for (input_pointer = input; *input_pointer != '\0'; (void)input_pointer++, output_pointer++)
    {
        if ((*input_pointer > 31) && (*input_pointer != '\"') && (*input_pointer != '\\'))
        {
            /* normal character, copy */
            *output_pointer = *input_pointer;
        }
        else
        {
            /* character needs to be escaped */
            *output_pointer++ = '\\';
            switch (*input_pointer)
            {
            case '\\':
                *output_pointer = '\\';
                break;
            case '\"':
                *output_pointer = '\"';
                break;
            case '\b':
                *output_pointer = 'b';
                break;
            case '\f':
                *output_pointer = 'f';
                break;
            case '\n':
                *output_pointer = 'n';
                break;
            case '\r':
                *output_pointer = 'r';
                break;
            case '\t':
                *output_pointer = 't';
                break;
            default:
                /* escape and print as unicode codepoint */
                snprintf((char*)output_pointer, sizeof(output_pointer), "u%04x", *input_pointer);
                output_pointer += 4;
                break;
            }
        }
    }
    output[output_length + 1] = '\"';
    output[output_length + 2] = '\0';
 
    return true;
}

print_value() [1/2]

static cJSON_bool print_value ( const cJSON *const  item, printbuffer *const  output_buffer  )

static

Definition at line 1370 of file cJSON.cpp.

{
    unsigned char *output = NULL;
 
    if ((item == NULL) || (output_buffer == NULL))
    {
        return false;
    }
 
    switch ((item->type) & 0xFF)
    {
    case cJSON_NULL:
        output = ensure(output_buffer, 5);
        if (output == NULL)
        {
            return false;
        }
        strcpy((char*)output, "null");
        return true;
 
    case cJSON_False:
        output = ensure(output_buffer, 6);
        if (output == NULL)
        {
            return false;
        }
        strcpy((char*)output, "false");
        return true;
 
    case cJSON_True:
        output = ensure(output_buffer, 5);
        if (output == NULL)
        {
            return false;
        }
        strcpy((char*)output, "true");
        return true;
 
    case cJSON_Number:
        return print_number(item, output_buffer);
 
    case cJSON_Raw:
    {
        size_t raw_length = 0;
        if (item->valuestring == NULL)
        {
            return false;
        }
 
        raw_length = strlen(item->valuestring) + sizeof("");
        output = ensure(output_buffer, raw_length);
        if (output == NULL)
        {
            return false;
        }
        memcpy(output, item->valuestring, raw_length);
        return true;
    }
 
    case cJSON_String:
        return print_string(item, output_buffer);
 
    case cJSON_Array:
        return print_array(item, output_buffer);
 
    case cJSON_Object:
        return print_object(item, output_buffer);
 
    default:
        return false;
    }
}

print_value() [2/2]

return print_value	(	item	,
		&	p
	)

replace_item_in_object()

static cJSON_bool replace_item_in_object ( cJSON *  object, const char *  string, cJSON *  replacement, cJSON_bool  case_sensitive  )

static

Definition at line 2358 of file cJSON.cpp.

{
    if ((replacement == NULL) || (string == NULL))
    {
        return false;
    }
 
    /* replace the name in the replacement */
    if (!(replacement->type & cJSON_StringIsConst) && (replacement->string != NULL))
    {
        cJSON_free(replacement->string);
    }
    replacement->string = (char*)cJSON_strdup((const unsigned char*)string, &global_hooks);
    if (replacement->string == NULL)
    {
        return false;
    }
 
    replacement->type &= ~cJSON_StringIsConst;
 
    return cJSON_ReplaceItemViaPointer(object, get_object_item(object, string, case_sensitive), replacement);
}

return()

return

(

char *

)

skip_multiline_comment()

static void skip_multiline_comment ( char **  input )

static

Definition at line 2817 of file cJSON.cpp.

{
    *input += static_strlen("/*");
 
    for (; (*input)[0] != '\0'; ++(*input))
    {
        if (((*input)[0] == '*') && ((*input)[1] == '/'))
        {
            *input += static_strlen("*/");
            return;
        }
    }
}

skip_oneline_comment()

static void skip_oneline_comment ( char **  input )

static

Definition at line 2803 of file cJSON.cpp.

{
    *input += static_strlen("//");
 
    for (; (*input)[0] != '\0'; ++(*input))
    {
        if ((*input)[0] == '\n')
        {
            *input += static_strlen("\n");
            return;
        }
    }
}

skip_utf8_bom()

static parse_buffer * skip_utf8_bom ( parse_buffer *const  buffer )

static

Definition at line 1066 of file cJSON.cpp.

{
    if ((buffer == NULL) || (buffer->content == NULL) || (buffer->offset != 0))
    {
        return NULL;
    }
 
    if (can_access_at_index(buffer, 4) && (strncmp((const char*)buffer_at_offset(buffer), "\xEF\xBB\xBF", 3) == 0))
    {
        buffer->offset += 3;
    }
 
    return buffer;
}

suffix_object()

static void suffix_object ( cJSON *  prev, cJSON *  item  )

static

Definition at line 1934 of file cJSON.cpp.

{
    prev->next = item;
    item->prev = prev;
}

update_offset()

static void update_offset ( printbuffer *const  buffer )

static

Definition at line 527 of file cJSON.cpp.

{
    const unsigned char *buffer_pointer = NULL;
    if ((buffer == NULL) || (buffer->buffer == NULL))
    {
        return;
    }
    buffer_pointer = buffer->buffer + buffer->offset;
 
    buffer->offset += strlen((const char*)buffer_pointer);
}

utf16_literal_to_utf8()

static unsigned char utf16_literal_to_utf8 ( const unsigned char *const  input_pointer, const unsigned char *const  input_end, unsigned char **  output_pointer  )

static

Definition at line 654 of file cJSON.cpp.

{
    long unsigned int codepoint = 0;
    unsigned int first_code = 0;
    const unsigned char *first_sequence = input_pointer;
    unsigned char utf8_length = 0;
    unsigned char utf8_position = 0;
    unsigned char sequence_length = 0;
    unsigned char first_byte_mark = 0;
 
    if ((input_end - first_sequence) < 6)
    {
        /* input ends unexpectedly */
        goto fail;
    }
 
    /* get the first utf16 sequence */
    first_code = parse_hex4(first_sequence + 2);
 
    /* check that the code is valid */
    if (((first_code >= 0xDC00) && (first_code <= 0xDFFF)))
    {
        goto fail;
    }
 
    /* UTF16 surrogate pair */
    if ((first_code >= 0xD800) && (first_code <= 0xDBFF))
    {
        const unsigned char *second_sequence = first_sequence + 6;
        unsigned int second_code = 0;
        sequence_length = 12; /* \uXXXX\uXXXX */
 
        if ((input_end - second_sequence) < 6)
        {
            /* input ends unexpectedly */
            goto fail;
        }
 
        if ((second_sequence[0] != '\\') || (second_sequence[1] != 'u'))
        {
            /* missing second half of the surrogate pair */
            goto fail;
        }
 
        /* get the second utf16 sequence */
        second_code = parse_hex4(second_sequence + 2);
        /* check that the code is valid */
        if ((second_code < 0xDC00) || (second_code > 0xDFFF))
        {
            /* invalid second half of the surrogate pair */
            goto fail;
        }
 
 
        /* calculate the unicode codepoint from the surrogate pair */
        codepoint = 0x10000 + (((first_code & 0x3FF) << 10) | (second_code & 0x3FF));
    }
    else
    {
        sequence_length = 6; /* \uXXXX */
        codepoint = first_code;
    }
 
    /* encode as UTF-8
     * takes at maximum 4 bytes to encode:
     * 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
    if (codepoint < 0x80)
    {
        /* normal ascii, encoding 0xxxxxxx */
        utf8_length = 1;
    }
    else if (codepoint < 0x800)
    {
        /* two bytes, encoding 110xxxxx 10xxxxxx */
        utf8_length = 2;
        first_byte_mark = 0xC0; /* 11000000 */
    }
    else if (codepoint < 0x10000)
    {
        /* three bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx */
        utf8_length = 3;
        first_byte_mark = 0xE0; /* 11100000 */
    }
    else if (codepoint <= 0x10FFFF)
    {
        /* four bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx 10xxxxxx */
        utf8_length = 4;
        first_byte_mark = 0xF0; /* 11110000 */
    }
    else
    {
        /* invalid unicode codepoint */
        goto fail;
    }
 
    /* encode as utf8 */
    for (utf8_position = (unsigned char)(utf8_length - 1); utf8_position > 0; utf8_position--)
    {
        /* 10xxxxxx */
        (*output_pointer)[utf8_position] = (unsigned char)((codepoint | 0x80) & 0xBF);
        codepoint >>= 6;
    }
    /* encode first byte */
    if (utf8_length > 1)
    {
        (*output_pointer)[0] = (unsigned char)((codepoint | first_byte_mark) & 0xFF);
    }
    else
    {
        (*output_pointer)[0] = (unsigned char)(codepoint & 0x7F);
    }
 
    *output_pointer += utf8_length;
 
    return sequence_length;
 
fail:
    return 0;
}

while()

while

(

child !

= NULL

)

Definition at line 2765 of file cJSON.cpp.

    {
        newchild = cJSON_Duplicate(child, true); /* Duplicate (with recurse) each item in the ->next chain */
        if (!newchild)
        {
            goto fail;
        }
        if (next != NULL)
        {
            /* If newitem->child already set, then crosswire ->prev and ->next and move on */
            next->next = newchild;
            newchild->prev = next;
            next = newchild;
        }
        else
        {
            /* Set newitem->child and move to it */
            newitem->child = newchild;
            next = newchild;
        }
        child = child->next;
    }

Variable Documentation

__pad0__

fail __pad0__

Definition at line 1144 of file cJSON.cpp.

__pad1__

fail __pad1__

Definition at line 2794 of file cJSON.cpp.

a

return a = NULL

Definition at line 2560 of file cJSON.cpp.

after_inserted

after_inserted = get_array_item(array, (size_t)which)

Definition at line 2278 of file cJSON.cpp.

b

const cJSON* const b

Definition at line 3008 of file cJSON.cpp.

boolean

const char* const const cJSON_bool boolean

Initial value:

{
    cJSON *bool_item = cJSON_CreateBool(boolean)

Definition at line 2121 of file cJSON.cpp.

buffer

p buffer = (unsigned char*)global_hooks.allocate((size_t)prebuffer)

Definition at line 1274 of file cJSON.cpp.

buffer_length

size_t buffer_length = strlen(value) + sizeof("")

Definition at line 1091 of file cJSON.cpp.

child

child = NULL

Definition at line 2723 of file cJSON.cpp.

content

buffer content = (const unsigned char*)value

Definition at line 1111 of file cJSON.cpp.

copy

return copy = (char*) cJSON_strdup((const unsigned char*)valuestring, &global_hooks)

Definition at line 414 of file cJSON.cpp.

count

int count

Initial value:

{
    size_t i = 0

Definition at line 2555 of file cJSON.cpp.

else

else

Initial value:

{
        newitem->prev->next = newitem

Definition at line 2291 of file cJSON.cpp.

fmt

int cJSON_bool fmt

Initial value:

{
    printbuffer p = { 0, 0, 0, 0, 0, 0, { 0, 0, 0 } }

Definition at line 1265 of file cJSON.cpp.

{
    printbuffer p = { 0, 0, 0, 0, 0, 0, { 0, 0, 0 } };

format

p format = fmt

Definition at line 1283 of file cJSON.cpp.

global_error

error global_error = { NULL, 0 }

static

Definition at line 93 of file cJSON.cpp.

{ NULL, 0 };

global_hooks

internal_hooks global_hooks = { internal_malloc, internal_free, internal_realloc }

static

Definition at line 187 of file cJSON.cpp.

{ internal_malloc, internal_free, internal_realloc };

hooks

p hooks = global_hooks

Definition at line 1114 of file cJSON.cpp.

index

int index

Initial value:

{
    if (index < 0)
    {
        return NULL;
    }
 
    return get_array_item(array, (size_t)index)

Definition at line 1875 of file cJSON.cpp.

{
    if (index < 0)
    {
        return NULL;
    }

item

cJSON* const item = NULL

Definition at line 1100 of file cJSON.cpp.

json

global_error json = NULL

Definition at line 1103 of file cJSON.cpp.

length

p length = buffer_length

Definition at line 1112 of file cJSON.cpp.

n

cJSON * n = NULL

Definition at line 2558 of file cJSON.cpp.

name

const char* const name

Initial value:

{
    cJSON *null = cJSON_CreateNull()

Definition at line 2085 of file cJSON.cpp.

newchild

cJSON* newchild = NULL

Definition at line 2725 of file cJSON.cpp.

newitem

return newitem

Initial value:

{
    cJSON *after_inserted = NULL

Definition at line 2269 of file cJSON.cpp.

next

cJSON * next = NULL

Definition at line 2224 of file cJSON.cpp.

noalloc

p noalloc = false

Definition at line 1282 of file cJSON.cpp.

NULL

return NULL

Definition at line 1173 of file cJSON.cpp.

number

const char* const const double number

Initial value:

{
    if (number >= INT_MAX)
    {
        object->valueint = INT_MAX;
    }
    else if (number <= (double)INT_MIN)
    {
        object->valueint = INT_MIN;
    }
    else
    {
        object->valueint = (int)number;
    }
 
    return object->valuedouble = number

Definition at line 383 of file cJSON.cpp.

{
    if (number >= INT_MAX)
    {
        object->valueint = INT_MAX;
    }
    else if (number <= (double)INT_MIN)
    {
        object->valueint = INT_MIN;
    }
    else
    {
        object->valueint = (int)number;
    }

offset

p offset = 0

Definition at line 1113 of file cJSON.cpp.

p

cJSON * p = NULL

Definition at line 2559 of file cJSON.cpp.

position

global_error position = 0

Definition at line 1104 of file cJSON.cpp.

prebuffer

int prebuffer

Definition at line 1265 of file cJSON.cpp.

prev

item prev = after_inserted->prev

Definition at line 2285 of file cJSON.cpp.

raw

const char* const const char* const raw

Initial value:

{
    cJSON *raw_item = cJSON_CreateRaw(raw)

Definition at line 2157 of file cJSON.cpp.

recurse

cJSON_bool recurse

Initial value:

{
    cJSON *newitem = NULL

Definition at line 2720 of file cJSON.cpp.

replacement

cJSON* const cJSON* replacement

Initial value:

{
    if ((parent == NULL) || (replacement == NULL) || (item == NULL))
    {
        return false;
    }
 
    if (replacement == item)
    {
        return true;
    }
 
    replacement->next = item->next

Definition at line 2298 of file cJSON.cpp.

{
    if ((parent == NULL) || (replacement == NULL) || (item == NULL))
    {
        return false;
    }
 
    if (replacement == item)
    {
        return true;
    }

require_null_terminated

size_t const char cJSON_bool require_null_terminated

Initial value:

{
    size_t buffer_length

Definition at line 1081 of file cJSON.cpp.

return_parse_end

size_t const char** return_parse_end

Definition at line 1081 of file cJSON.cpp.

string

const char* string

Initial value:

{
    return get_object_item(object, string, false)

Definition at line 1918 of file cJSON.cpp.

true

return true

Definition at line 2295 of file cJSON.cpp.

type

newitem type = item->type & (~cJSON_IsReference)

Definition at line 2739 of file cJSON.cpp.

valuedouble

newitem valuedouble = item->valuedouble

Definition at line 2741 of file cJSON.cpp.

valueint

newitem valueint = item->valueint

Definition at line 2740 of file cJSON.cpp.

valuestring

object valuestring

Initial value:

{
    char *copy = NULL

Definition at line 401 of file cJSON.cpp.

which

int which

Initial value:

{
    if (which < 0)
    {
        return NULL;
    }
 
    return cJSON_DetachItemViaPointer(array, get_array_item(array, (size_t)which))

Definition at line 2229 of file cJSON.cpp.

{
    if (which < 0)
    {
        return NULL;
    }