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Third Party CJSON

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Third Party CJSON

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提交 f0fc6c50 编写于 作者: M Max Bruckner 提交者： GitHub
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Merge pull request #29 from DaveGamble/reformatting 

Reformatting code
上级 94df7724 ad3d5130
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Showing with 2084 addition and 649 deletion
cJSON.c
浏览文件 @ f0fc6c50
......@@ -34,13 +34,31 @@
static const char *global_ep;
const char *cJSON_GetErrorPtr(void) {return global_ep;}
const char *cJSON_GetErrorPtr(void)
{
return global_ep;
}
static int cJSON_strcasecmp(const char *s1,const char *s2)
/* case insensitive strcmp */
static int cJSON_strcasecmp(const char *s1, const char *s2)
{
if (!s1) return (s1==s2)?0:1;if (!s2) return 1;
for(; tolower(*s1) == tolower(*s2); ++s1, ++s2) if(*s1 == 0) return 0;
return tolower(*(const unsigned char *)s1) - tolower(*(const unsigned char *)s2);
if (!s1)
{
return (s1 == s2) ? 0 : 1; /* both NULL? */
}
if (!s2)
{
return 1;
}
for(; tolower(*s1) == tolower(*s2); ++s1, ++s2)
{
if (*s1 == 0)
{
return 0;
}
}
return tolower(*(const unsigned char *)s1) - tolower(*(const unsigned char *)s2);
}
static void *(*cJSON_malloc)(size_t sz) = malloc;
......@@ -48,718 +66,2125 @@ static void (*cJSON_free)(void *ptr) = free;
static char* cJSON_strdup(const char* str)
{
size_t len;
char* copy;
size_t len;
char* copy;
len = strlen(str) + 1;
if (!(copy = (char*)cJSON_malloc(len)))
{
return 0;
}
memcpy(copy, str, len);
len = strlen(str) + 1;
if (!(copy = (char*)cJSON_malloc(len))) return 0;
memcpy(copy,str,len);
return copy;
return copy;
}
void cJSON_InitHooks(cJSON_Hooks* hooks)
{
if (!hooks) { /* Reset hooks */
if (!hooks)
{
/* Reset hooks */
cJSON_malloc = malloc;
cJSON_free = free;
return;
}
cJSON_malloc = (hooks->malloc_fn)?hooks->malloc_fn:malloc;
cJSON_free = (hooks->free_fn)?hooks->free_fn:free;
cJSON_malloc = (hooks->malloc_fn) ? hooks->malloc_fn : malloc;
cJSON_free = (hooks->free_fn) ? hooks->free_fn : free;
}
/* Internal constructor. */
static cJSON *cJSON_New_Item(void)
{
cJSON* node = (cJSON*)cJSON_malloc(sizeof(cJSON));
if (node) memset(node,0,sizeof(cJSON));
return node;
cJSON* node = (cJSON*)cJSON_malloc(sizeof(cJSON));
if (node)
{
memset(node, 0, sizeof(cJSON));
}
return node;
}
/* Delete a cJSON structure. */
void cJSON_Delete(cJSON *c)
{
cJSON *next;
while (c)
{
next=c->next;
if (!(c->type&cJSON_IsReference) && c->child) cJSON_Delete(c->child);
if (!(c->type&cJSON_IsReference) && c->valuestring) cJSON_free(c->valuestring);
if (!(c->type&cJSON_StringIsConst) && c->string) cJSON_free(c->string);
cJSON_free(c);
c=next;
}
cJSON *next;
while (c)
{
next = c->next;
if (!(c->type & cJSON_IsReference) && c->child)
{
cJSON_Delete(c->child);
}
if (!(c->type & cJSON_IsReference) && c->valuestring)
{
cJSON_free(c->valuestring);
}
if (!(c->type & cJSON_StringIsConst) && c->string)
{
cJSON_free(c->string);
}
cJSON_free(c);
c = next;
}
}
/* Parse the input text to generate a number, and populate the result into item. */
static const char *parse_number(cJSON *item,const char *num)
static const char *parse_number(cJSON *item, const char *num)
{
double n=0,sign=1,scale=0;int subscale=0,signsubscale=1;
double n = 0;
double sign = 1;
double scale = 0;
int subscale = 0;
int signsubscale = 1;
/* Has sign? */
if (*num == '-')
{
sign = -1;
num++;
}
/* is zero */
if (*num == '0')
{
num++;
}
/* Number? */
if ((*num >= '1') && (*num <= '9'))
{
do
{
n = (n * 10.0) + (*num++ - '0');
}
while ((*num >= '0') && (*num<='9'));
}
/* Fractional part? */
if ((*num == '.') && (num[1] >= '0') && (num[1] <= '9'))
{
num++;
do
{
n = (n *10.0) + (*num++ - '0');
scale--;
} while ((*num >= '0') && (*num <= '9'));
}
/* Exponent? */
if ((*num == 'e') || (*num == 'E'))
{
num++;
/* With sign? */
if (*num == '+')
{
num++;
}
else if (*num == '-')
{
signsubscale = -1;
num++;
}
/* Number? */
while ((*num>='0') && (*num<='9'))
{
subscale = (subscale * 10) + (*num++ - '0');
}
}
/* number = +/- number.fraction * 10^+/- exponent */
n = sign * n * pow(10.0, (scale + subscale * signsubscale));
if (*num=='-') sign=-1,num++; /* Has sign? */
if (*num=='0') num++; /* is zero */
if (*num>='1' && *num<='9') do n=(n*10.0)+(*num++ -'0'); while (*num>='0' && *num<='9'); /* Number? */
if (*num=='.' && num[1]>='0' && num[1]<='9') {num++; do n=(n*10.0)+(*num++ -'0'),scale--; while (*num>='0' && *num<='9');} /* Fractional part? */
if (*num=='e' || *num=='E') /* Exponent? */
{ num++;if (*num=='+') num++; else if (*num=='-') signsubscale=-1,num++; /* With sign? */
while (*num>='0' && *num<='9') subscale=(subscale*10)+(*num++ - '0'); /* Number? */
}
item->valuedouble = n;
item->valueint = (int)n;
item->type = cJSON_Number;
n=sign*n*pow(10.0,(scale+subscale*signsubscale)); /* number = +/- number.fraction * 10^+/- exponent */
item->valuedouble=n;
item->valueint=(int)n;
item->type=cJSON_Number;
return num;
return num;
}
static int pow2gt (int x) { --x; x|=x>>1; x|=x>>2; x|=x>>4; x|=x>>8; x|=x>>16; return x+1; }
/* calculate the next largest power of 2 */
static int pow2gt (int x)
{
--x;
typedef struct {char *buffer; int length; int offset; } printbuffer;
x |= x >> 1;
x |= x >> 2;
x |= x >> 4;
x |= x >> 8;
x |= x >> 16;
return x + 1;
}
static char* ensure(printbuffer *p,int needed)
typedef struct
{
char *newbuffer;int newsize;
if (!p || !p->buffer) return 0;
needed+=p->offset;
if (needed<=p->length) return p->buffer+p->offset;
char *buffer;
int length;
int offset;
} printbuffer;
newsize=pow2gt(needed);
newbuffer=(char*)cJSON_malloc(newsize);
if (!newbuffer) {cJSON_free(p->buffer);p->length=0,p->buffer=0;return 0;}
if (newbuffer) memcpy(newbuffer,p->buffer,p->length);
cJSON_free(p->buffer);
p->length=newsize;
p->buffer=newbuffer;
return newbuffer+p->offset;
/* realloc printbuffer if necessary to have at least "needed" bytes more */
static char* ensure(printbuffer *p, int needed)
{
char *newbuffer;
int newsize;
if (!p || !p->buffer)
{
return 0;
}
needed += p->offset;
if (needed <= p->length)
{
return p->buffer + p->offset;
}
newsize = pow2gt(needed);
newbuffer = (char*)cJSON_malloc(newsize);
if (!newbuffer)
{
cJSON_free(p->buffer);
p->length = 0;
p->buffer = 0;
return 0;
}
if (newbuffer)
{
memcpy(newbuffer, p->buffer, p->length);
}
cJSON_free(p->buffer);
p->length = newsize;
p->buffer = newbuffer;
return newbuffer + p->offset;
}
/* calculate the new length of the string in a printbuffer */
static int update(printbuffer *p)
{
char *str;
if (!p || !p->buffer) return 0;
str=p->buffer+p->offset;
return p->offset+strlen(str);
char *str;
if (!p || !p->buffer)
{
return 0;
}
str = p->buffer + p->offset;
return p->offset + strlen(str);
}
/* Render the number nicely from the given item into a string. */
static char *print_number(cJSON *item,printbuffer *p)
{
char *str=0;
double d=item->valuedouble;
if (d==0)
{
if (p) str=ensure(p,2);
else str=(char*)cJSON_malloc(2); /* special case for 0. */
if (str) strcpy(str,"0");
}
else if (fabs(((double)item->valueint)-d)<=DBL_EPSILON && d<=INT_MAX && d>=INT_MIN)
{
if (p) str=ensure(p,21);
else str=(char*)cJSON_malloc(21); /* 2^64+1 can be represented in 21 chars. */
if (str) sprintf(str,"%d",item->valueint);
}
else
{
if (p) str=ensure(p,64);
else str=(char*)cJSON_malloc(64); /* This is a nice tradeoff. */
if (str)
{
if (d*0!=0) sprintf(str,"null"); /* This checks for NaN and Infinity */
else if (fabs(floor(d)-d)<=DBL_EPSILON && fabs(d)<1.0e60) sprintf(str,"%.0f",d);
else if (fabs(d)<1.0e-6 || fabs(d)>1.0e9) sprintf(str,"%e",d);
else sprintf(str,"%f",d);
}
}
return str;
static char *print_number(cJSON *item, printbuffer *p)
{
char *str = 0;
double d = item->valuedouble;
/* special case for 0. */
if (d == 0)
{
if (p)
{
str = ensure(p, 2);
}
else
{
str = (char*)cJSON_malloc(2);
}
if (str)
{
strcpy(str,"0");
}
}
/* value is an int */
else if ((fabs(((double)item->valueint) - d) <= DBL_EPSILON) && (d <= INT_MAX) && (d >= INT_MIN))
{
if (p)
{
str = ensure(p, 21);
}
else
{
/* 2^64+1 can be represented in 21 chars. */
str = (char*)cJSON_malloc(21);
}
if (str)
{
sprintf(str, "%d", item->valueint);
}
}
/* value is a floating point number */
else
{
if (p)
{
/* This is a nice tradeoff. */
str = ensure(p, 64);
}
else
{
/* This is a nice tradeoff. */
str=(char*)cJSON_malloc(64);
}
if (str)
{
/* This checks for NaN and Infinity */
if ((d * 0) != 0)
{
sprintf(str, "null");
}
else if ((fabs(floor(d) - d) <= DBL_EPSILON) && (fabs(d) < 1.0e60))
{
sprintf(str, "%.0f", d);
}
else if ((fabs(d) < 1.0e-6) || (fabs(d) > 1.0e9))
{
sprintf(str, "%e", d);
}
else
{
sprintf(str, "%f", d);
}
}
}
return str;
}
/* parse 4 digit hexadecimal number */
static unsigned parse_hex4(const char *str)
{
unsigned h=0;
if (*str>='0' && *str<='9') h+=(*str)-'0'; else if (*str>='A' && *str<='F') h+=10+(*str)-'A'; else if (*str>='a' && *str<='f') h+=10+(*str)-'a'; else return 0;
h=h<<4;str++;
if (*str>='0' && *str<='9') h+=(*str)-'0'; else if (*str>='A' && *str<='F') h+=10+(*str)-'A'; else if (*str>='a' && *str<='f') h+=10+(*str)-'a'; else return 0;
h=h<<4;str++;
if (*str>='0' && *str<='9') h+=(*str)-'0'; else if (*str>='A' && *str<='F') h+=10+(*str)-'A'; else if (*str>='a' && *str<='f') h+=10+(*str)-'a'; else return 0;
h=h<<4;str++;
if (*str>='0' && *str<='9') h+=(*str)-'0'; else if (*str>='A' && *str<='F') h+=10+(*str)-'A'; else if (*str>='a' && *str<='f') h+=10+(*str)-'a'; else return 0;
return h;
unsigned h = 0;
/* first digit */
if ((*str >= '0') && (*str <= '9'))
{
h += (*str) - '0';
}
else if ((*str >= 'A') && (*str <= 'F'))
{
h += 10 + (*str) - 'A';
}
else if ((*str >= 'a') && (*str <= 'f'))
{
h += 10 + (*str) - 'a';
}
else /* invalid */
{
return 0;
}
/* second digit */
h = h << 4;
str++;
if ((*str >= '0') && (*str <= '9'))
{
h += (*str) - '0';
}
else if ((*str >= 'A') && (*str <= 'F'))
{
h += 10 + (*str) - 'A';
}
else if ((*str >= 'a') && (*str <= 'f'))
{
h += 10 + (*str) - 'a';
}
else /* invalid */
{
return 0;
}
/* third digit */
h = h << 4;
str++;
if ((*str >= '0') && (*str <= '9'))
{
h += (*str) - '0';
}
else if ((*str >= 'A') && (*str <= 'F'))
{
h += 10 + (*str) - 'A';
}
else if ((*str >= 'a') && (*str <= 'f'))
{
h += 10 + (*str) - 'a';
}
else /* invalid */
{
return 0;
}
/* fourth digit */
h = h << 4;
str++;
if ((*str >= '0') && (*str <= '9'))
{
h += (*str) - '0';
}
else if ((*str >= 'A') && (*str <= 'F'))
{
h += 10 + (*str) - 'A';
}
else if ((*str >= 'a') && (*str <= 'f'))
{
h += 10 + (*str) - 'a';
}
else /* invalid */
{
return 0;
}
return h;
}
/* first bytes of UTF8 encoding for a given length in bytes */
static const unsigned char firstByteMark[7] =
{
0x00, /* should never happen */
0x00, /* 0xxxxxxx */
0xC0, /* 110xxxxx */
0xE0, /* 1110xxxx */
0xF0, /* 11110xxx */
0xF8,
0xFC
};
/* Parse the input text into an unescaped cstring, and populate item. */
static const unsigned char firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
static const char *parse_string(cJSON *item,const char *str,const char **ep)
{
const char *ptr=str+1,*end_ptr=str+1;char *ptr2;char *out;int len=0;unsigned uc,uc2;
if (*str!='\"') {*ep=str;return 0;} /* not a string! */
while (*end_ptr!='\"' && *end_ptr && ++len)
{
if (*end_ptr++ == '\\')
{
if (*end_ptr == '\0')
{
/* prevent buffer overflow when last input character is a backslash */
return 0;
}
end_ptr++; /* Skip escaped quotes. */
}
}
out=(char*)cJSON_malloc(len+1); /* This is how long we need for the string, roughly. */
if (!out) return 0;
item->valuestring=out; /* assign here so out will be deleted during cJSON_Delete() later */
item->type=cJSON_String;
ptr=str+1;ptr2=out;
while (ptr < end_ptr)
{
if (*ptr!='\\') *ptr2++=*ptr++;
else
{
ptr++;
switch (*ptr)
{
case 'b': *ptr2++='\b'; break;
case 'f': *ptr2++='\f'; break;
case 'n': *ptr2++='\n'; break;
case 'r': *ptr2++='\r'; break;
case 't': *ptr2++='\t'; break;
case 'u': /* transcode utf16 to utf8. */
uc=parse_hex4(ptr+1);ptr+=4; /* get the unicode char. */
if (ptr >= end_ptr) {*ep=str;return 0;} /* invalid */
if ((uc>=0xDC00 && uc<=0xDFFF) || uc==0) {*ep=str;return 0;} /* check for invalid. */
if (uc>=0xD800 && uc<=0xDBFF) /* UTF16 surrogate pairs. */
{
if (ptr+6 > end_ptr) {*ep=str;return 0;} /* invalid */
if (ptr[1]!='\\' || ptr[2]!='u') {*ep=str;return 0;} /* missing second-half of surrogate. */
uc2=parse_hex4(ptr+3);ptr+=6;
if (uc2<0xDC00 || uc2>0xDFFF) {*ep=str;return 0;} /* invalid second-half of surrogate. */
uc=0x10000 + (((uc&0x3FF)<<10) | (uc2&0x3FF));
}
len=4;if (uc<0x80) len=1;else if (uc<0x800) len=2;else if (uc<0x10000) len=3; ptr2+=len;
switch (len) {
case 4: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
case 3: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
case 2: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
case 1: *--ptr2 =(uc | firstByteMark[len]);
}
ptr2+=len;
break;
default: *ptr2++=*ptr; break;
}
ptr++;
}
}
*ptr2=0;
if (*ptr=='\"') ptr++;
return ptr;
static const char *parse_string(cJSON *item, const char *str, const char **ep)
{
const char *ptr = str + 1;
const char *end_ptr =str + 1;
char *ptr2;
char *out;
int len = 0;
unsigned uc;
unsigned uc2;
/* not a string! */
if (*str != '\"')
{
*ep = str;
return 0;
}
while ((*end_ptr != '\"') && *end_ptr && ++len)
{
if (*end_ptr++ == '\\')
{
if (*end_ptr == '\0')
{
/* prevent buffer overflow when last input character is a backslash */
return 0;
}
/* Skip escaped quotes. */
end_ptr++;
}
}
/* This is at most how long we need for the string, roughly. */
out = (char*)cJSON_malloc(len + 1);
if (!out)
{
return 0;
}
item->valuestring = out; /* assign here so out will be deleted during cJSON_Delete() later */
item->type = cJSON_String;
ptr = str + 1;
ptr2 = out;
/* loop through the string literal */
while (ptr < end_ptr)
{
if (*ptr != '\\')
{
*ptr2++ = *ptr++;
}
/* escape sequence */
else
{
ptr++;
switch (*ptr)
{
case 'b':
*ptr2++ = '\b';
break;
case 'f':
*ptr2++ = '\f';
break;
case 'n':
*ptr2++ = '\n';
break;
case 'r':
*ptr2++ = '\r';
break;
case 't':
*ptr2++ = '\t';
break;
case 'u':
/* transcode utf16 to utf8. See RFC2781 and RFC3629. */
uc = parse_hex4(ptr + 1); /* get the unicode char. */
ptr += 4;
if (ptr >= end_ptr)
{
/* invalid */
*ep = str;
return 0;
}
/* check for invalid. */
if (((uc >= 0xDC00) && (uc <= 0xDFFF)) || (uc == 0))
{
*ep = str;
return 0;
}
/* UTF16 surrogate pairs. */
if ((uc >= 0xD800) && (uc<=0xDBFF))
{
if ((ptr + 6) > end_ptr)
{
/* invalid */
*ep = str;
return 0;
}
if ((ptr[1] != '\\') || (ptr[2] != 'u'))
{
/* missing second-half of surrogate. */
*ep = str;
return 0;
}
uc2 = parse_hex4(ptr + 3);
ptr += 6; /* \uXXXX */
if ((uc2 < 0xDC00) || (uc2 > 0xDFFF))
{
/* invalid second-half of surrogate. */
*ep = str;
return 0;
}
/* calculate unicode codepoint from the surrogate pair */
uc = 0x10000 + (((uc & 0x3FF) << 10) | (uc2 & 0x3FF));
}
/* encode as UTF8
* takes at maximum 4 bytes to encode:
* 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
len = 4;
if (uc < 0x80)
{
/* normal ascii, encoding 0xxxxxxx */
len = 1;
}
else if (uc < 0x800)
{
/* two bytes, encoding 110xxxxx 10xxxxxx */
len = 2;
}
else if (uc < 0x10000)
{
/* three bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx */
len = 3;
}
ptr2 += len;
switch (len) {
case 4:
/* 10xxxxxx */
*--ptr2 = ((uc | 0x80) & 0xBF);
uc >>= 6;
case 3:
/* 10xxxxxx */
*--ptr2 = ((uc | 0x80) & 0xBF);
uc >>= 6;
case 2:
/* 10xxxxxx */
*--ptr2 = ((uc | 0x80) & 0xBF);
uc >>= 6;
case 1:
/* depending on the length in bytes this determines the
* encoding ofthe first UTF8 byte */
*--ptr2 = (uc | firstByteMark[len]);
}
ptr2 += len;
break;
default:
*ptr2++ = *ptr;
break;
}
ptr++;
}
}
*ptr2 = '\0';
if (*ptr == '\"')
{
ptr++;
}
return ptr;
}
/* Render the cstring provided to an escaped version that can be printed. */
static char *print_string_ptr(const char *str,printbuffer *p)
{
const char *ptr;char *ptr2,*out;int len=0,flag=0;unsigned char token;
if (!str)
{
if (p) out=ensure(p,3);
else out=(char*)cJSON_malloc(3);
if (!out) return 0;
strcpy(out,"\"\"");
return out;
}
for (ptr=str;*ptr;ptr++) flag|=((*ptr>0 && *ptr<32)||(*ptr=='\"')||(*ptr=='\\'))?1:0;
if (!flag)
{
len=ptr-str;
if (p) out=ensure(p,len+3);
else out=(char*)cJSON_malloc(len+3);
if (!out) return 0;
ptr2=out;*ptr2++='\"';
strcpy(ptr2,str);
ptr2[len]='\"';
ptr2[len+1]=0;
return out;
}
ptr=str;while ((token=*ptr) && ++len) {if (strchr("\"\\\b\f\n\r\t",token)) len++; else if (token<32) len+=5;ptr++;}
if (p) out=ensure(p,len+3);
else out=(char*)cJSON_malloc(len+3);
if (!out) return 0;
ptr2=out;ptr=str;
*ptr2++='\"';
while (*ptr)
{
if ((unsigned char)*ptr>31 && *ptr!='\"' && *ptr!='\\') *ptr2++=*ptr++;
else
{
*ptr2++='\\';
switch (token=*ptr++)
{
case '\\': *ptr2++='\\'; break;
case '\"': *ptr2++='\"'; break;
case '\b': *ptr2++='b'; break;
case '\f': *ptr2++='f'; break;
case '\n': *ptr2++='n'; break;
case '\r': *ptr2++='r'; break;
case '\t': *ptr2++='t'; break;
default: sprintf(ptr2,"u%04x",token);ptr2+=5; break; /* escape and print */
}
}
}
*ptr2++='\"';*ptr2++=0;
return out;
}
/* Invote print_string_ptr (which is useful) on an item. */
static char *print_string(cJSON *item,printbuffer *p) {return print_string_ptr(item->valuestring,p);}
static char *print_string_ptr(const char *str, printbuffer *p)
{
const char *ptr;
char *ptr2;
char *out;
int len = 0;
int flag = 0;
unsigned char token;
/* empty string */
if (!str)
{
if (p)
{
out = ensure(p, 3);
}
else
{
out = (char*)cJSON_malloc(3);
}
if (!out)
{
return 0;
}
strcpy(out, "\"\"");
return out;
}
/* set "flag" to 1 if something needs to be escaped */
for (ptr = str; *ptr; ptr++)
{
flag |= (((*ptr > 0) && (*ptr < 32)) /* unprintable characters */
|| (*ptr == '\"') /* double quote */
|| (*ptr == '\\')) /* backslash */
? 1
: 0;
}
/* no characters have to be escaped */
if (!flag)
{
len = ptr - str;
if (p)
{
out = ensure(p, len + 3);
}
else
{
out = (char*)cJSON_malloc(len + 3);
}
if (!out)
{
return 0;
}
ptr2 = out;
*ptr2++ = '\"';
strcpy(ptr2, str);
ptr2[len] = '\"';
ptr2[len + 1] = '\0';
return out;
}
ptr = str;
/* calculate additional space that is needed for escaping */
while ((token = *ptr) && ++len)
{
if (strchr("\"\\\b\f\n\r\t", token))
{
len++; /* +1 for the backslash */
}
else if (token < 32)
{
len += 5; /* +5 for \uXXXX */
}
ptr++;
}
if (p)
{
out = ensure(p, len + 3);
}
else
{
out = (char*)cJSON_malloc(len + 3);
}
if (!out)
{
return 0;
}
ptr2 = out;
ptr = str;
*ptr2++ = '\"';
/* copy the string */
while (*ptr)
{
if (((unsigned char)*ptr > 31) && (*ptr != '\"') && (*ptr != '\\'))
{
/* normal character, copy */
*ptr2++ = *ptr++;
}
else
{
/* character needs to be escaped */
*ptr2++ = '\\';
switch (token = *ptr++)
{
case '\\':
*ptr2++ = '\\';
break;
case '\"':
*ptr2++ = '\"';
break;
case '\b':
*ptr2++ = 'b';
break;
case '\f':
*ptr2++ = 'f';
break;
case '\n':
*ptr2++ = 'n';
break;
case '\r':
*ptr2++ = 'r';
break;
case '\t':
*ptr2++ = 't';
break;
default:
/* escape and print as unicode codepoint */
sprintf(ptr2, "u%04x", token);
ptr2 += 5;
break;
}
}
}
*ptr2++ = '\"';
*ptr2++ = '\0';
return out;
}
/* Invoke print_string_ptr (which is useful) on an item. */
static char *print_string(cJSON *item, printbuffer *p)
{
return print_string_ptr(item->valuestring, p);
}
/* Predeclare these prototypes. */
static const char *parse_value(cJSON *item,const char *value,const char **ep);
static char *print_value(cJSON *item,int depth,int fmt,printbuffer *p);
static const char *parse_array(cJSON *item,const char *value,const char **ep);
static char *print_array(cJSON *item,int depth,int fmt,printbuffer *p);
static const char *parse_object(cJSON *item,const char *value,const char **ep);
static char *print_object(cJSON *item,int depth,int fmt,printbuffer *p);
static const char *parse_value(cJSON *item, const char *value, const char **ep);
static char *print_value(cJSON *item, int depth, int fmt, printbuffer *p);
static const char *parse_array(cJSON *item, const char *value, const char **ep);
static char *print_array(cJSON *item, int depth, int fmt, printbuffer *p);
static const char *parse_object(cJSON *item, const char *value, const char **ep);
static char *print_object(cJSON *item, int depth, int fmt, printbuffer *p);
/* Utility to jump whitespace and cr/lf */
static const char *skip(const char *in) {while (in && *in && (unsigned char)*in<=32) in++; return in;}
static const char *skip(const char *in)
{
while (in && *in && ((unsigned char)*in<=32))
{
in++;
}
return in;
}
/* Parse an object - create a new root, and populate. */
cJSON *cJSON_ParseWithOpts(const char *value,const char **return_parse_end,int require_null_terminated)
cJSON *cJSON_ParseWithOpts(const char *value, const char **return_parse_end, int require_null_terminated)
{
const char *end=0,**ep=return_parse_end?return_parse_end:&global_ep;
cJSON *c=cJSON_New_Item();
*ep=0;
if (!c) return 0; /* memory fail */
const char *end = 0;
/* use global error pointer if no specific one was given */
const char **ep = return_parse_end ? return_parse_end : &global_ep;
cJSON *c = cJSON_New_Item();
*ep = 0;
if (!c) /* memory fail */
{
return 0;
}
end = parse_value(c, skip(value), ep);
if (!end)
{
/* parse failure. ep is set. */
cJSON_Delete(c);
return 0;
}
end=parse_value(c,skip(value),ep);
if (!end) {cJSON_Delete(c);return 0;} /* parse failure. ep is set. */
/* if we require null-terminated JSON without appended garbage, skip and then check for a null terminator */
if (require_null_terminated)
{
end = skip(end);
if (*end)
{
cJSON_Delete(c);
*ep = end;
return 0;
}
}
if (return_parse_end)
{
*return_parse_end = end;
}
/* if we require null-terminated JSON without appended garbage, skip and then check for a null terminator */
if (require_null_terminated) {end=skip(end);if (*end) {cJSON_Delete(c);*ep=end;return 0;}}
if (return_parse_end) *return_parse_end=end;
return c;
return c;
}
/* Default options for cJSON_Parse */
cJSON *cJSON_Parse(const char *value) {return cJSON_ParseWithOpts(value,0,0);}
cJSON *cJSON_Parse(const char *value)
{
return cJSON_ParseWithOpts(value, 0, 0);
}
/* Render a cJSON item/entity/structure to text. */
char *cJSON_Print(cJSON *item) {return print_value(item,0,1,0);}
char *cJSON_PrintUnformatted(cJSON *item) {return print_value(item,0,0,0);}
char *cJSON_Print(cJSON *item)
{
return print_value(item, 0, 1, 0);
}
char *cJSON_PrintBuffered(cJSON *item,int prebuffer,int fmt)
char *cJSON_PrintUnformatted(cJSON *item)
{
printbuffer p;
p.buffer=(char*)cJSON_malloc(prebuffer);
p.length=prebuffer;
p.offset=0;
return print_value(item,0,fmt,&p);
return print_value(item, 0, 0, 0);
}
char *cJSON_PrintBuffered(cJSON *item, int prebuffer, int fmt)
{
printbuffer p;
p.buffer = (char*)cJSON_malloc(prebuffer);
p.length = prebuffer;
p.offset = 0;
return print_value(item, 0, fmt, &p);
}
/* Parser core - when encountering text, process appropriately. */
static const char *parse_value(cJSON *item,const char *value,const char **ep)
static const char *parse_value(cJSON *item, const char *value, const char **ep)
{
if (!value) return 0; /* Fail on null. */
if (!strncmp(value,"null",4)) { item->type=cJSON_NULL; return value+4; }
if (!strncmp(value,"false",5)) { item->type=cJSON_False; return value+5; }
if (!strncmp(value,"true",4)) { item->type=cJSON_True; item->valueint=1; return value+4; }
if (*value=='\"') { return parse_string(item,value,ep); }
if (*value=='-' || (*value>='0' && *value<='9')) { return parse_number(item,value); }
if (*value=='[') { return parse_array(item,value,ep); }
if (*value=='{') { return parse_object(item,value,ep); }
if (!value)
{
/* Fail on null. */
return 0;
}
*ep=value;return 0; /* failure. */
/* parse the different types of values */
if (!strncmp(value, "null", 4))
{
item->type = cJSON_NULL;
return value + 4;
}
if (!strncmp(value, "false", 5))
{
item->type = cJSON_False;
return value + 5;
}
if (!strncmp(value, "true", 4))
{
item->type = cJSON_True;
item->valueint = 1;
return value + 4;
}
if (*value == '\"')
{
return parse_string(item, value, ep);
}
if ((*value == '-') || ((*value >= '0') && (*value <= '9')))
{
return parse_number(item, value);
}
if (*value == '[')
{
return parse_array(item, value, ep);
}
if (*value == '{')
{
return parse_object(item, value, ep);
}
*ep=value;return 0; /* failure. */
}
/* Render a value to text. */
static char *print_value(cJSON *item,int depth,int fmt,printbuffer *p)
{
char *out=0;
if (!item) return 0;
if (p)
{
switch ((item->type)&255)
{
case cJSON_NULL: {out=ensure(p,5); if (out) strcpy(out,"null"); break;}
case cJSON_False: {out=ensure(p,6); if (out) strcpy(out,"false"); break;}
case cJSON_True: {out=ensure(p,5); if (out) strcpy(out,"true"); break;}
case cJSON_Number: out=print_number(item,p);break;
case cJSON_String: out=print_string(item,p);break;
case cJSON_Array: out=print_array(item,depth,fmt,p);break;
case cJSON_Object: out=print_object(item,depth,fmt,p);break;
}
}
else
{
switch ((item->type)&255)
{
case cJSON_NULL: out=cJSON_strdup("null"); break;
case cJSON_False: out=cJSON_strdup("false");break;
case cJSON_True: out=cJSON_strdup("true"); break;
case cJSON_Number: out=print_number(item,0);break;
case cJSON_String: out=print_string(item,0);break;
case cJSON_Array: out=print_array(item,depth,fmt,0);break;
case cJSON_Object: out=print_object(item,depth,fmt,0);break;
}
}
return out;
static char *print_value(cJSON *item, int depth, int fmt, printbuffer *p)
{
char *out = 0;
if (!item)
{
return 0;
}
if (p)
{
switch ((item->type) & 0xFF)
{
case cJSON_NULL:
out = ensure(p, 5);
if (out)
{
strcpy(out, "null");
}
break;
case cJSON_False:
out = ensure(p, 6);
if (out)
{
strcpy(out, "false");
}
break;
case cJSON_True:
out = ensure(p, 5);
if (out)
{
strcpy(out, "true");
}
break;
case cJSON_Number:
out = print_number(item, p);
break;
case cJSON_String:
out = print_string(item, p);
break;
case cJSON_Array:
out = print_array(item, depth, fmt, p);
break;
case cJSON_Object:
out = print_object(item, depth, fmt, p);
break;
}
}
else
{
switch ((item->type) & 0xFF)
{
case cJSON_NULL:
out = cJSON_strdup("null");
break;
case cJSON_False:
out = cJSON_strdup("false");
break;
case cJSON_True:
out = cJSON_strdup("true");
break;
case cJSON_Number:
out = print_number(item, 0);
break;
case cJSON_String:
out = print_string(item, 0);
break;
case cJSON_Array:
out = print_array(item, depth, fmt, 0);
break;
case cJSON_Object:
out = print_object(item, depth, fmt, 0);
break;
}
}
return out;
}
/* Build an array from input text. */
static const char *parse_array(cJSON *item,const char *value,const char **ep)
{
cJSON *child;
if (*value!='[') {*ep=value;return 0;} /* not an array! */
cJSON *child;
if (*value != '[')
{
/* not an array! */
*ep = value;
return 0;
}
item->type = cJSON_Array;
value = skip(value + 1);
if (*value == ']')
{
/* empty array. */
return value + 1;
}
item->child = child = cJSON_New_Item();
if (!item->child)
{
/* memory fail */
return 0;
}
/* skip any spacing, get the value. */
value = skip(parse_value(child, skip(value), ep));
if (!value)
{
return 0;
}
item->type=cJSON_Array;
value=skip(value+1);
if (*value==']') return value+1; /* empty array. */
/* loop through the comma separated array elements */
while (*value == ',')
{
cJSON *new_item;
if (!(new_item = cJSON_New_Item()))
{
/* memory fail */
return 0;
}
/* add new item to end of the linked list */
child->next = new_item;
new_item->prev = child;
child = new_item;
/* go to the next comma */
value = skip(parse_value(child, skip(value + 1), ep));
if (!value)
{
/* memory fail */
return 0;
}
}
item->child=child=cJSON_New_Item();
if (!item->child) return 0; /* memory fail */
value=skip(parse_value(child,skip(value),ep)); /* skip any spacing, get the value. */
if (!value) return 0;
if (*value == ']')
{
/* end of array */
return value + 1;
}
while (*value==',')
{
cJSON *new_item;
if (!(new_item=cJSON_New_Item())) return 0; /* memory fail */
child->next=new_item;new_item->prev=child;child=new_item;
value=skip(parse_value(child,skip(value+1),ep));
if (!value) return 0; /* memory fail */
}
/* malformed. */
*ep = value;
if (*value==']') return value+1; /* end of array */
*ep=value;return 0; /* malformed. */
return 0;
}
/* Render an array to text */
static char *print_array(cJSON *item,int depth,int fmt,printbuffer *p)
{
char **entries;
char *out=0,*ptr,*ret;int len=5;
cJSON *child=item->child;
int numentries=0,i=0,fail=0;
size_t tmplen=0;
/* How many entries in the array? */
while (child) numentries++,child=child->next;
/* Explicitly handle numentries==0 */
if (!numentries)
{
if (p) out=ensure(p,3);
else out=(char*)cJSON_malloc(3);
if (out) strcpy(out,"[]");
return out;
}
if (p)
{
/* Compose the output array. */
i=p->offset;
ptr=ensure(p,1);if (!ptr) return 0; *ptr='['; p->offset++;
child=item->child;
while (child && !fail)
{
print_value(child,depth+1,fmt,p);
p->offset=update(p);
if (child->next) {len=fmt?2:1;ptr=ensure(p,len+1);if (!ptr) return 0;*ptr++=',';if(fmt)*ptr++=' ';*ptr=0;p->offset+=len;}
child=child->next;
}
ptr=ensure(p,2);if (!ptr) return 0; *ptr++=']';*ptr=0;
out=(p->buffer)+i;
}
else
{
/* Allocate an array to hold the values for each */
entries=(char**)cJSON_malloc(numentries*sizeof(char*));
if (!entries) return 0;
memset(entries,0,numentries*sizeof(char*));
/* Retrieve all the results: */
child=item->child;
while (child && !fail)
{
ret=print_value(child,depth+1,fmt,0);
entries[i++]=ret;
if (ret) len+=strlen(ret)+2+(fmt?1:0); else fail=1;
child=child->next;
}
/* If we didn't fail, try to malloc the output string */
if (!fail) out=(char*)cJSON_malloc(len);
/* If that fails, we fail. */
if (!out) fail=1;
/* Handle failure. */
if (fail)
{
for (i=0;i<numentries;i++) if (entries[i]) cJSON_free(entries[i]);
cJSON_free(entries);
return 0;
}
/* Compose the output array. */
*out='[';
ptr=out+1;*ptr=0;
for (i=0;i<numentries;i++)
{
tmplen=strlen(entries[i]);memcpy(ptr,entries[i],tmplen);ptr+=tmplen;
if (i!=numentries-1) {*ptr++=',';if(fmt)*ptr++=' ';*ptr=0;}
cJSON_free(entries[i]);
}
cJSON_free(entries);
*ptr++=']';*ptr++=0;
}
return out;
static char *print_array(cJSON *item, int depth, int fmt, printbuffer *p)
{
char **entries;
char *out = 0;
char *ptr;
char *ret;
int len = 5;
cJSON *child = item->child;
int numentries = 0;
int i = 0;
int fail = 0;
size_t tmplen = 0;
/* How many entries in the array? */
while (child)
{
numentries++;
child = child->next;
}
/* Explicitly handle numentries == 0 */
if (!numentries)
{
if (p)
{
out = ensure(p, 3);
}
else
{
out = (char*)cJSON_malloc(3);
}
if (out)
{
strcpy(out,"[]");
}
return out;
}
if (p)
{
/* Compose the output array. */
/* opening square bracket */
i = p->offset;
ptr = ensure(p, 1);
if (!ptr)
{
return 0;
}
*ptr = '[';
p->offset++;
child = item->child;
while (child && !fail)
{
print_value(child, depth + 1, fmt, p);
p->offset = update(p);
if (child->next)
{
len = fmt ? 2 : 1;
ptr = ensure(p, len + 1);
if (!ptr)
{
return 0;
}
*ptr++ = ',';
if(fmt)
{
*ptr++ = ' ';
}
*ptr = 0;
p->offset += len;
}
child = child->next;
}
ptr = ensure(p, 2);
if (!ptr)
{
return 0;
}
*ptr++ = ']';
*ptr = '\0';
out = (p->buffer) + i;
}
else
{
/* Allocate an array to hold the pointers to all printed values */
entries = (char**)cJSON_malloc(numentries * sizeof(char*));
if (!entries)
{
return 0;
}
memset(entries, 0, numentries * sizeof(char*));
/* Retrieve all the results: */
child = item->child;
while (child && !fail)
{
ret = print_value(child, depth + 1, fmt, 0);
entries[i++] = ret;
if (ret)
{
len += strlen(ret) + 2 + (fmt ? 1 : 0);
}
else
{
fail = 1;
}
child = child->next;
}
/* If we didn't fail, try to malloc the output string */
if (!fail)
{
out = (char*)cJSON_malloc(len);
}
/* If that fails, we fail. */
if (!out)
{
fail = 1;
}
/* Handle failure. */
if (fail)
{
/* free all the entries in the array */
for (i = 0; i < numentries; i++)
{
if (entries[i])
{
cJSON_free(entries[i]);
}
}
cJSON_free(entries);
return 0;
}
/* Compose the output array. */
*out='[';
ptr = out + 1;
*ptr = '\0';
for (i = 0; i < numentries; i++)
{
tmplen = strlen(entries[i]);
memcpy(ptr, entries[i], tmplen);
ptr += tmplen;
if (i != (numentries - 1))
{
*ptr++ = ',';
if(fmt)
{
*ptr++ = ' ';
}
*ptr = 0;
}
cJSON_free(entries[i]);
}
cJSON_free(entries);
*ptr++ = ']';
*ptr++ = '\0';
}
return out;
}
/* Build an object from the text. */
static const char *parse_object(cJSON *item,const char *value,const char **ep)
{
cJSON *child;
if (*value!='{') {*ep=value;return 0;} /* not an object! */
item->type=cJSON_Object;
value=skip(value+1);
if (*value=='}') return value+1; /* empty array. */
item->child=child=cJSON_New_Item();
if (!item->child) return 0;
value=skip(parse_string(child,skip(value),ep));
if (!value) return 0;
child->string=child->valuestring;child->valuestring=0;
if (*value!=':') {*ep=value;return 0;} /* fail! */
value=skip(parse_value(child,skip(value+1),ep)); /* skip any spacing, get the value. */
if (!value) return 0;
while (*value==',')
{
cJSON *new_item;
if (!(new_item=cJSON_New_Item())) return 0; /* memory fail */
child->next=new_item;new_item->prev=child;child=new_item;
value=skip(parse_string(child,skip(value+1),ep));
if (!value) return 0;
child->string=child->valuestring;child->valuestring=0;
if (*value!=':') {*ep=value;return 0;} /* fail! */
value=skip(parse_value(child,skip(value+1),ep)); /* skip any spacing, get the value. */
if (!value) return 0;
}
if (*value=='}') return value+1; /* end of array */
*ep=value;return 0; /* malformed. */
static const char *parse_object(cJSON *item, const char *value, const char **ep)
{
cJSON *child;
if (*value != '{')
{
/* not an object! */
*ep = value;
return 0;
}
item->type = cJSON_Object;
value = skip(value + 1);
if (*value == '}')
{
/* empty object. */
return value + 1;
}
child = cJSON_New_Item();
item->child = child;
if (!item->child)
{
return 0;
}
/* parse first key */
value = skip(parse_string(child, skip(value), ep));
if (!value)
{
return 0;
}
/* use string as key, not value */
child->string = child->valuestring;
child->valuestring = 0;
if (*value != ':')
{
/* invalid object. */
*ep = value;
return 0;
}
/* skip any spacing, get the value. */
value = skip(parse_value(child, skip(value + 1), ep));
if (!value)
{
return 0;
}
while (*value == ',')
{
cJSON *new_item;
if (!(new_item = cJSON_New_Item()))
{
/* memory fail */
return 0;
}
/* add to linked list */
child->next = new_item;
new_item->prev = child;
child = new_item;
value = skip(parse_string(child, skip(value + 1), ep));
if (!value)
{
return 0;
}
/* use string as key, not value */
child->string = child->valuestring;
child->valuestring = 0;
if (*value != ':')
{
/* invalid object. */
*ep = value;
return 0;
}
/* skip any spacing, get the value. */
value = skip(parse_value(child, skip(value + 1), ep));
if (!value)
{
return 0;
}
}
/* end of object */
if (*value == '}')
{
return value + 1;
}
/* malformed */
*ep = value;
return 0;
}
/* Render an object to text. */
static char *print_object(cJSON *item,int depth,int fmt,printbuffer *p)
{
char **entries=0,**names=0;
char *out=0,*ptr,*ret,*str;int len=7,i=0,j;
cJSON *child=item->child;
int numentries=0,fail=0;
size_t tmplen=0;
/* Count the number of entries. */
while (child) numentries++,child=child->next;
/* Explicitly handle empty object case */
if (!numentries)
{
if (p) out=ensure(p,fmt?depth+4:3);
else out=(char*)cJSON_malloc(fmt?depth+4:3);
if (!out) return 0;
ptr=out;*ptr++='{';
if (fmt) {*ptr++='\n';for (i=0;i<depth;i++) *ptr++='\t';}
*ptr++='}';*ptr++=0;
return out;
}
if (p)
{
/* Compose the output: */
i=p->offset;
len=fmt?2:1; ptr=ensure(p,len+1); if (!ptr) return 0;
*ptr++='{'; if (fmt) *ptr++='\n'; *ptr=0; p->offset+=len;
child=item->child;depth++;
while (child)
{
if (fmt)
{
ptr=ensure(p,depth); if (!ptr) return 0;
for (j=0;j<depth;j++) *ptr++='\t';
p->offset+=depth;
}
print_string_ptr(child->string,p);
p->offset=update(p);
len=fmt?2:1;
ptr=ensure(p,len); if (!ptr) return 0;
*ptr++=':';if (fmt) *ptr++='\t';
p->offset+=len;
print_value(child,depth,fmt,p);
p->offset=update(p);
len=(fmt?1:0)+(child->next?1:0);
ptr=ensure(p,len+1); if (!ptr) return 0;
if (child->next) *ptr++=',';
if (fmt) *ptr++='\n';*ptr=0;
p->offset+=len;
child=child->next;
}
ptr=ensure(p,fmt?(depth+1):2); if (!ptr) return 0;
if (fmt) for (i=0;i<depth-1;i++) *ptr++='\t';
*ptr++='}';*ptr=0;
out=(p->buffer)+i;
}
else
{
/* Allocate space for the names and the objects */
entries=(char**)cJSON_malloc(numentries*sizeof(char*));
if (!entries) return 0;
names=(char**)cJSON_malloc(numentries*sizeof(char*));
if (!names) {cJSON_free(entries);return 0;}
memset(entries,0,sizeof(char*)*numentries);
memset(names,0,sizeof(char*)*numentries);
/* Collect all the results into our arrays: */
child=item->child;depth++;if (fmt) len+=depth;
while (child && !fail)
{
names[i]=str=print_string_ptr(child->string,0);
entries[i++]=ret=print_value(child,depth,fmt,0);
if (str && ret) len+=strlen(ret)+strlen(str)+2+(fmt?2+depth:0); else fail=1;
child=child->next;
}
/* Try to allocate the output string */
if (!fail) out=(char*)cJSON_malloc(len);
if (!out) fail=1;
/* Handle failure */
if (fail)
{
for (i=0;i<numentries;i++) {if (names[i]) cJSON_free(names[i]);if (entries[i]) cJSON_free(entries[i]);}
cJSON_free(names);cJSON_free(entries);
return 0;
}
/* Compose the output: */
*out='{';ptr=out+1;if (fmt)*ptr++='\n';*ptr=0;
for (i=0;i<numentries;i++)
{
if (fmt) for (j=0;j<depth;j++) *ptr++='\t';
tmplen=strlen(names[i]);memcpy(ptr,names[i],tmplen);ptr+=tmplen;
*ptr++=':';if (fmt) *ptr++='\t';
strcpy(ptr,entries[i]);ptr+=strlen(entries[i]);
if (i!=numentries-1) *ptr++=',';
if (fmt) *ptr++='\n';*ptr=0;
cJSON_free(names[i]);cJSON_free(entries[i]);
}
cJSON_free(names);cJSON_free(entries);
if (fmt) for (i=0;i<depth-1;i++) *ptr++='\t';
*ptr++='}';*ptr++=0;
}
return out;
static char *print_object(cJSON *item, int depth, int fmt, printbuffer *p)
{
char **entries = 0;
char **names = 0;
char *out = 0;
char *ptr;
char *ret;
char *str;
int len = 7;
int i = 0;
int j;
cJSON *child = item->child;
int numentries = 0;
int fail = 0;
size_t tmplen = 0;
/* Count the number of entries. */
while (child)
{
numentries++;
child = child->next;
}
/* Explicitly handle empty object case */
if (!numentries)
{
if (p)
{
out = ensure(p, fmt ? depth + 4 : 3);
}
else
{
out = (char*)cJSON_malloc(fmt ? depth + 4 : 3);
}
if (!out)
{
return 0;
}
ptr = out;
*ptr++ = '{';
if (fmt) {
*ptr++ = '\n';
for (i = 0; i < depth; i++)
{
*ptr++ = '\t';
}
}
*ptr++ = '}';
*ptr++ = '\0';
return out;
}
if (p)
{
/* Compose the output: */
i = p->offset;
len = fmt ? 2 : 1; /* fmt: {\n */
ptr = ensure(p, len + 1);
if (!ptr)
{
return 0;
}
*ptr++ = '{';
if (fmt)
{
*ptr++ = '\n';
}
*ptr = '\0';
p->offset += len;
child = item->child;
depth++;
while (child)
{
if (fmt)
{
ptr = ensure(p, depth);
if (!ptr)
{
return 0;
}
for (j = 0; j < depth; j++)
{
*ptr++ = '\t';
}
p->offset += depth;
}
/* print key */
print_string_ptr(child->string, p);
p->offset = update(p);
len = fmt ? 2 : 1;
ptr = ensure(p, len);
if (!ptr)
{
return 0;
}
*ptr++ = ':';
if (fmt)
{
*ptr++ = '\t';
}
p->offset+=len;
/* print value */
print_value(child, depth, fmt, p);
p->offset = update(p);
/* print comma if not last */
len = (fmt ? 1 : 0) + (child->next ? 1 : 0);
ptr = ensure(p, len + 1);
if (!ptr)
{
return 0;
}
if (child->next)
{
*ptr++ = ',';
}
if (fmt)
{
*ptr++ = '\n';
}
*ptr = '\0';
p->offset += len;
child = child->next;
}
ptr = ensure(p, fmt ? (depth + 1) : 2);
if (!ptr)
{
return 0;
}
if (fmt)
{
for (i = 0; i < (depth - 1); i++)
{
*ptr++ = '\t';
}
}
*ptr++ = '}';
*ptr = '\0';
out = (p->buffer) + i;
}
else
{
/* Allocate space for the names and the objects */
entries = (char**)cJSON_malloc(numentries * sizeof(char*));
if (!entries)
{
return 0;
}
names = (char**)cJSON_malloc(numentries * sizeof(char*));
if (!names)
{
cJSON_free(entries);
return 0;
}
memset(entries,0, sizeof(char*) * numentries);
memset(names, 0, sizeof(char*) * numentries);
/* Collect all the results into our arrays: */
child = item->child;
depth++;
if (fmt)
{
len += depth;
}
while (child && !fail)
{
names[i] = str = print_string_ptr(child->string, 0); /* print key */
entries[i++] = ret = print_value(child, depth, fmt, 0);
if (str && ret)
{
len += strlen(ret) + strlen(str) + 2 + (fmt ? 2 + depth : 0);
}
else
{
fail = 1;
}
child = child->next;
}
/* Try to allocate the output string */
if (!fail)
{
out = (char*)cJSON_malloc(len);
}
if (!out)
{
fail = 1;
}
/* Handle failure */
if (fail)
{
/* free all the printed keys and values */
for (i = 0; i < numentries; i++)
{
if (names[i])
{
cJSON_free(names[i]);
}
if (entries[i])
{
cJSON_free(entries[i]);
}
}
cJSON_free(names);
cJSON_free(entries);
return 0;
}
/* Compose the output: */
*out = '{';
ptr = out + 1;
if (fmt)
{
*ptr++ = '\n';
}
*ptr = 0;
for (i = 0; i < numentries; i++)
{
if (fmt)
{
for (j = 0; j < depth; j++)
{
*ptr++='\t';
}
}
tmplen = strlen(names[i]);
memcpy(ptr, names[i], tmplen);
ptr += tmplen;
*ptr++ = ':';
if (fmt)
{
*ptr++ = '\t';
}
strcpy(ptr, entries[i]);
ptr += strlen(entries[i]);
if (i != (numentries - 1))
{
*ptr++ = ',';
}
if (fmt)
{
*ptr++ = '\n';
}
*ptr = 0;
cJSON_free(names[i]);
cJSON_free(entries[i]);
}
cJSON_free(names);
cJSON_free(entries);
if (fmt)
{
for (i = 0; i < (depth - 1); i++)
{
*ptr++ = '\t';
}
}
*ptr++ = '}';
*ptr++ = '\0';
}
return out;
}
/* Get Array size/item / object item. */
int cJSON_GetArraySize(cJSON *array) {cJSON *c=array->child;int i=0;while(c)i++,c=c->next;return i;}
cJSON *cJSON_GetArrayItem(cJSON *array,int item) {cJSON *c=array?array->child:0;while (c && item>0) item--,c=c->next; return c;}
cJSON *cJSON_GetObjectItem(cJSON *object,const char *string) {cJSON *c=object?object->child:0;while (c && cJSON_strcasecmp(c->string,string)) c=c->next; return c;}
int cJSON_HasObjectItem(cJSON *object,const char *string) {return cJSON_GetObjectItem(object,string)?1:0;}
int cJSON_GetArraySize(cJSON *array)
{
cJSON *c = array->child;
int i = 0;
while(c)
{
i++;
c = c->next;
}
return i;
}
cJSON *cJSON_GetArrayItem(cJSON *array, int item)
{
cJSON *c = array ? array->child : 0;
while (c && item > 0)
{
item--;
c = c->next;
}
return c;
}
cJSON *cJSON_GetObjectItem(cJSON *object, const char *string)
{
cJSON *c = object ? object->child : 0;
while (c && cJSON_strcasecmp(c->string, string))
{
c = c->next;
}
return c;
}
int cJSON_HasObjectItem(cJSON *object,const char *string)
{
return cJSON_GetObjectItem(object, string) ? 1 : 0;
}
/* Utility for array list handling. */
static void suffix_object(cJSON *prev,cJSON *item) {prev->next=item;item->prev=prev;}
static void suffix_object(cJSON *prev, cJSON *item)
{
prev->next = item;
item->prev = prev;
}
/* Utility for handling references. */
static cJSON *create_reference(cJSON *item) {cJSON *ref=cJSON_New_Item();if (!ref) return 0;memcpy(ref,item,sizeof(cJSON));ref->string=0;ref->type|=cJSON_IsReference;ref->next=ref->prev=0;return ref;}
static cJSON *create_reference(cJSON *item)
{
cJSON *ref = cJSON_New_Item();
if (!ref)
{
return 0;
}
memcpy(ref, item, sizeof(cJSON));
ref->string = 0;
ref->type |= cJSON_IsReference;
ref->next = ref->prev = 0;
return ref;
}
/* Add item to array/object. */
void cJSON_AddItemToArray(cJSON *array, cJSON *item) {cJSON *c=array->child;if (!item) return; if (!c) {array->child=item;} else {while (c && c->next) c=c->next; suffix_object(c,item);}}
void cJSON_AddItemToObject(cJSON *object,const char *string,cJSON *item) {if (!item) return; if (item->string) cJSON_free(item->string);item->string=cJSON_strdup(string);cJSON_AddItemToArray(object,item);}
void cJSON_AddItemToObjectCS(cJSON *object,const char *string,cJSON *item) {if (!item) return; if (!(item->type&cJSON_StringIsConst) && item->string) cJSON_free(item->string);item->string=(char*)string;item->type|=cJSON_StringIsConst;cJSON_AddItemToArray(object,item);}
void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item) {cJSON_AddItemToArray(array,create_reference(item));}
void cJSON_AddItemReferenceToObject(cJSON *object,const char *string,cJSON *item) {cJSON_AddItemToObject(object,string,create_reference(item));}
cJSON *cJSON_DetachItemFromArray(cJSON *array,int which) {cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) return 0;
if (c->prev) c->prev->next=c->next;if (c->next) c->next->prev=c->prev;if (c==array->child) array->child=c->next;c->prev=c->next=0;return c;}
void cJSON_DeleteItemFromArray(cJSON *array,int which) {cJSON_Delete(cJSON_DetachItemFromArray(array,which));}
cJSON *cJSON_DetachItemFromObject(cJSON *object,const char *string) {int i=0;cJSON *c=object->child;while (c && cJSON_strcasecmp(c->string,string)) i++,c=c->next;if (c) return cJSON_DetachItemFromArray(object,i);return 0;}
void cJSON_DeleteItemFromObject(cJSON *object,const char *string) {cJSON_Delete(cJSON_DetachItemFromObject(object,string));}
void cJSON_AddItemToArray(cJSON *array, cJSON *item)
{
cJSON *c = array->child;
if (!item)
{
return;
}
if (!c)
{
/* list is empty, start new one */
array->child = item;
}
else
{
/* append to the end */
while (c && c->next)
{
c = c->next;
}
suffix_object(c, item);
}
}
void cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item)
{
if (!item)
{
return;
}
/* free old key and set new one */
if (item->string)
{
cJSON_free(item->string);
}
item->string = cJSON_strdup(string);
cJSON_AddItemToArray(object,item);
}
/* Add an item to an object with constant string as key */
void cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item)
{
if (!item)
{
return;
}
if (!(item->type & cJSON_StringIsConst) && item->string)
{
cJSON_free(item->string);
}
item->string = (char*)string;
item->type |= cJSON_StringIsConst;
cJSON_AddItemToArray(object, item);
}
void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item)
{
cJSON_AddItemToArray(array, create_reference(item));
}
void cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item)
{
cJSON_AddItemToObject(object, string, create_reference(item));
}
cJSON *cJSON_DetachItemFromArray(cJSON *array, int which)
{
cJSON *c = array->child;
while (c && (which > 0))
{
c = c->next;
which--;
}
if (!c)
{
/* item doesn't exist */
return 0;
}
if (c->prev)
{
/* not the first element */
c->prev->next = c->next;
}
if (c->next)
{
c->next->prev = c->prev;
}
if (c==array->child)
{
array->child = c->next;
}
/* make sure the detached item doesn't point anywhere anymore */
c->prev = c->next = 0;
return c;
}
void cJSON_DeleteItemFromArray(cJSON *array, int which)
{
cJSON_Delete(cJSON_DetachItemFromArray(array, which));
}
cJSON *cJSON_DetachItemFromObject(cJSON *object, const char *string)
{
int i = 0;
cJSON *c = object->child;
while (c && cJSON_strcasecmp(c->string,string))
{
i++;
c = c->next;
}
if (c)
{
return cJSON_DetachItemFromArray(object, i);
}
return 0;
}
void cJSON_DeleteItemFromObject(cJSON *object, const char *string)
{
cJSON_Delete(cJSON_DetachItemFromObject(object, string));
}
/* Replace array/object items with new ones. */
void cJSON_InsertItemInArray(cJSON *array,int which,cJSON *newitem) {cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) {cJSON_AddItemToArray(array,newitem);return;}
newitem->next=c;newitem->prev=c->prev;c->prev=newitem;if (c==array->child) array->child=newitem; else newitem->prev->next=newitem;}
void cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem) {cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) return;
newitem->next=c->next;newitem->prev=c->prev;if (newitem->next) newitem->next->prev=newitem;
if (c==array->child) array->child=newitem; else newitem->prev->next=newitem;c->next=c->prev=0;cJSON_Delete(c);}
void cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem){int i=0;cJSON *c=object->child;while(c && cJSON_strcasecmp(c->string,string))i++,c=c->next;if(c){newitem->string=cJSON_strdup(string);cJSON_ReplaceItemInArray(object,i,newitem);}}
void cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem)
{
cJSON *c = array->child;
while (c && (which > 0))
{
c = c->next;
which--;
}
if (!c)
{
cJSON_AddItemToArray(array, newitem);
return;
}
newitem->next = c;
newitem->prev = c->prev;
c->prev = newitem;
if (c == array->child)
{
array->child = newitem;
}
else
{
newitem->prev->next = newitem;
}
}
void cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem)
{
cJSON *c = array->child;
while (c && (which > 0))
{
c = c->next;
which--;
}
if (!c)
{
return;
}
newitem->next = c->next;
newitem->prev = c->prev;
if (newitem->next)
{
newitem->next->prev = newitem;
}
if (c == array->child)
{
array->child = newitem;
}
else
{
newitem->prev->next = newitem;
}
c->next = c->prev = 0;
cJSON_Delete(c);
}
void cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem)
{
int i = 0;
cJSON *c = object->child;
while(c && cJSON_strcasecmp(c->string, string))
{
i++;
c = c->next;
}
if(c)
{
newitem->string = cJSON_strdup(string);
cJSON_ReplaceItemInArray(object, i, newitem);
}
}
/* Create basic types: */
cJSON *cJSON_CreateNull(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_NULL;return item;}
cJSON *cJSON_CreateTrue(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_True;return item;}
cJSON *cJSON_CreateFalse(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_False;return item;}
cJSON *cJSON_CreateBool(int b) {cJSON *item=cJSON_New_Item();if(item)item->type=b?cJSON_True:cJSON_False;return item;}
cJSON *cJSON_CreateNumber(double num) {cJSON *item=cJSON_New_Item();if(item){item->type=cJSON_Number;item->valuedouble=num;item->valueint=(int)num;}return item;}
cJSON *cJSON_CreateString(const char *string) {cJSON *item=cJSON_New_Item();if(item){item->type=cJSON_String;item->valuestring=cJSON_strdup(string);if(!item->valuestring){cJSON_Delete(item);return 0;}}return item;}
cJSON *cJSON_CreateArray(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_Array;return item;}
cJSON *cJSON_CreateObject(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_Object;return item;}
cJSON *cJSON_CreateNull(void)
{
cJSON *item = cJSON_New_Item();
if(item)
{
item->type = cJSON_NULL;
}
return item;
}
cJSON *cJSON_CreateTrue(void)
{
cJSON *item = cJSON_New_Item();
if(item)
{
item->type = cJSON_True;
}
return item;
}
cJSON *cJSON_CreateFalse(void)
{
cJSON *item = cJSON_New_Item();
if(item)
{
item->type = cJSON_False;
}
return item;
}
cJSON *cJSON_CreateBool(int b)
{
cJSON *item = cJSON_New_Item();
if(item)
{
item->type = b ? cJSON_True : cJSON_False;
}
return item;
}
cJSON *cJSON_CreateNumber(double num)
{
cJSON *item = cJSON_New_Item();
if(item)
{
item->type = cJSON_Number;
item->valuedouble = num;
item->valueint = (int)num;
}
return item;
}
cJSON *cJSON_CreateString(const char *string)
{
cJSON *item = cJSON_New_Item();
if(item)
{
item->type = cJSON_String;
item->valuestring = cJSON_strdup(string);
if(!item->valuestring)
{
cJSON_Delete(item);
return 0;
}
}
return item;
}
cJSON *cJSON_CreateArray(void)
{
cJSON *item = cJSON_New_Item();
if(item)
{
item->type=cJSON_Array;
}
return item;
}
cJSON *cJSON_CreateObject(void)
{
cJSON *item = cJSON_New_Item();
if (item)
{
item->type = cJSON_Object;
}
return item;
}
/* Create Arrays: */
cJSON *cJSON_CreateIntArray(const int *numbers,int count) {int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;a && i<count;i++){n=cJSON_CreateNumber(numbers[i]);if(!n){cJSON_Delete(a);return 0;}if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
cJSON *cJSON_CreateFloatArray(const float *numbers,int count) {int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;a && i<count;i++){n=cJSON_CreateNumber(numbers[i]);if(!n){cJSON_Delete(a);return 0;}if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
cJSON *cJSON_CreateDoubleArray(const double *numbers,int count) {int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;a && i<count;i++){n=cJSON_CreateNumber(numbers[i]);if(!n){cJSON_Delete(a);return 0;}if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
cJSON *cJSON_CreateStringArray(const char **strings,int count) {int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;a && i<count;i++){n=cJSON_CreateString(strings[i]);if(!n){cJSON_Delete(a);return 0;}if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
cJSON *cJSON_CreateIntArray(const int *numbers, int count)
{
int i;
cJSON *n = 0;
cJSON *p = 0;
cJSON *a = cJSON_CreateArray();
for(i = 0; a && (i < count); i++)
{
n = cJSON_CreateNumber(numbers[i]);
if (!n)
{
cJSON_Delete(a);
return 0;
}
if(!i)
{
a->child = n;
}
else
{
suffix_object(p, n);
}
p = n;
}
return a;
}
cJSON *cJSON_CreateFloatArray(const float *numbers, int count)
{
int i;
cJSON *n = 0;
cJSON *p = 0;
cJSON *a = cJSON_CreateArray();
for(i = 0; a && (i < count); i++)
{
n = cJSON_CreateNumber(numbers[i]);
if(!n)
{
cJSON_Delete(a);
return 0;
}
if(!i)
{
a->child = n;
}
else
{
suffix_object(p, n);
}
p = n;
}
return a;
}
cJSON *cJSON_CreateDoubleArray(const double *numbers, int count)
{
int i;
cJSON *n = 0;
cJSON *p = 0;
cJSON *a = cJSON_CreateArray();
for(i = 0;a && (i < count); i++)
{
n = cJSON_CreateNumber(numbers[i]);
if(!n)
{
cJSON_Delete(a);
return 0;
}
if(!i)
{
a->child = n;
}
else
{
suffix_object(p, n);
}
p = n;
}
return a;
}
cJSON *cJSON_CreateStringArray(const char **strings, int count)
{
int i;
cJSON *n = 0;
cJSON *p = 0;
cJSON *a = cJSON_CreateArray();
for (i = 0; a && (i < count); i++)
{
n = cJSON_CreateString(strings[i]);
if(!n)
{
cJSON_Delete(a);
return 0;
}
if(!i)
{
a->child = n;
}
else
{
suffix_object(p,n);
}
p = n;
}
return a;
}
/* Duplication */
cJSON *cJSON_Duplicate(cJSON *item,int recurse)
{
cJSON *newitem,*cptr,*nptr=0,*newchild;
/* Bail on bad ptr */
if (!item) return 0;
/* Create new item */
newitem=cJSON_New_Item();
if (!newitem) return 0;
/* Copy over all vars */
newitem->type=item->type&(~cJSON_IsReference),newitem->valueint=item->valueint,newitem->valuedouble=item->valuedouble;
if (item->valuestring) {newitem->valuestring=cJSON_strdup(item->valuestring); if (!newitem->valuestring) {cJSON_Delete(newitem);return 0;}}
if (item->string) {newitem->string=cJSON_strdup(item->string); if (!newitem->string) {cJSON_Delete(newitem);return 0;}}
/* If non-recursive, then we're done! */
if (!recurse) return newitem;
/* Walk the ->next chain for the child. */
cptr=item->child;
while (cptr)
{
newchild=cJSON_Duplicate(cptr,1); /* Duplicate (with recurse) each item in the ->next chain */
if (!newchild) {cJSON_Delete(newitem);return 0;}
if (nptr) {nptr->next=newchild,newchild->prev=nptr;nptr=newchild;} /* If newitem->child already set, then crosswire ->prev and ->next and move on */
else {newitem->child=newchild;nptr=newchild;} /* Set newitem->child and move to it */
cptr=cptr->next;
}
return newitem;
cJSON *cJSON_Duplicate(cJSON *item, int recurse)
{
cJSON *newitem;
cJSON *cptr;
cJSON *nptr = 0;
cJSON *newchild;
/* Bail on bad ptr */
if (!item)
{
return 0;
}
/* Create new item */
newitem = cJSON_New_Item();
if (!newitem)
{
return 0;
}
/* Copy over all vars */
newitem->type = item->type & (~cJSON_IsReference);
newitem->valueint = item->valueint;
newitem->valuedouble = item->valuedouble;
if (item->valuestring)
{
newitem->valuestring = cJSON_strdup(item->valuestring);
if (!newitem->valuestring)
{
cJSON_Delete(newitem);
return 0;
}
}
if (item->string)
{
newitem->string = cJSON_strdup(item->string);
if (!newitem->string)
{
cJSON_Delete(newitem);
return 0;
}
}
/* If non-recursive, then we're done! */
if (!recurse)
{
return newitem;
}
/* Walk the ->next chain for the child. */
cptr = item->child;
while (cptr)
{
newchild = cJSON_Duplicate(cptr, 1); /* Duplicate (with recurse) each item in the ->next chain */
if (!newchild)
{
cJSON_Delete(newitem);
return 0;
}
if (nptr)
{
/* If newitem->child already set, then crosswire ->prev and ->next and move on */
nptr->next = newchild;
newchild->prev = nptr;
nptr = newchild;
}
else
{
/* Set newitem->child and move to it */
newitem->child = newchild; nptr = newchild;
}
cptr = cptr->next;
}
return newitem;
}
void cJSON_Minify(char *json)
{
char *into=json;
while (*json)
{
if (*json==' ') json++;
else if (*json=='\t') json++; /* Whitespace characters. */
else if (*json=='\r') json++;
else if (*json=='\n') json++;
else if (*json=='/' && json[1]=='/') while (*json && *json!='\n') json++; /* double-slash comments, to end of line. */
else if (*json=='/' && json[1]=='*') {while (*json && !(*json=='*' && json[1]=='/')) json++;json+=2;} /* multiline comments. */
else if (*json=='\"'){*into++=*json++;while (*json && *json!='\"'){if (*json=='\\') *into++=*json++;*into++=*json++;}*into++=*json++;} /* string literals, which are \" sensitive. */
else *into++=*json++; /* All other characters. */
}
*into=0; /* and null-terminate. */
char *into = json;
while (*json)
{
if (*json == ' ')
{
json++;
}
else if (*json == '\t')
{
/* Whitespace characters. */
json++;
}
else if (*json == '\r')
{
json++;
}
else if (*json=='\n')
{
json++;
}
else if ((*json == '/') && (json[1] == '/'))
{
/* double-slash comments, to end of line. */
while (*json && (*json != '\n'))
{
json++;
}
}
else if ((*json == '/') && (json[1] == '*'))
{
/* multiline comments. */
while (*json && !((*json == '*') && (json[1] == '/')))
{
json++;
}
json += 2;
}
else if (*json == '\"')
{
/* string literals, which are \" sensitive. */
*into++ = *json++;
while (*json && (*json != '\"'))
{
if (*json == '\\')
{
*into++=*json++;
}
*into++ = *json++;
}
*into++ = *json++;
}
else
{
/* All other characters. */
*into++ = *json++;
}
}
/* and null-terminate. */
*into = '\0';
}
cJSON.h
浏览文件 @ f0fc6c50
......@@ -41,20 +41,30 @@ extern "C"
#define cJSON_StringIsConst 512
/* The cJSON structure: */
typedef struct cJSON {
struct cJSON *next,*prev; /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */
struct cJSON *child; /* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */
int type; /* The type of the item, as above. */
char *valuestring; /* The item's string, if type==cJSON_String */
int valueint; /* The item's number, if type==cJSON_Number */
double valuedouble; /* The item's number, if type==cJSON_Number */
char *string; /* The item's name string, if this item is the child of, or is in the list of subitems of an object. */
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 */
char *valuestring;
/* The item's number, if type==cJSON_Number */
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 {
typedef struct cJSON_Hooks
{
void *(*malloc_fn)(size_t sz);
void (*free_fn)(void *ptr);
} cJSON_Hooks;
......@@ -70,17 +80,17 @@ extern char *cJSON_Print(cJSON *item);
/* Render a cJSON entity to text for transfer/storage without any formatting. Free the char* when finished. */
extern char *cJSON_PrintUnformatted(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 */
extern char *cJSON_PrintBuffered(cJSON *item,int prebuffer,int fmt);
extern char *cJSON_PrintBuffered(cJSON *item, int prebuffer, int fmt);
/* Delete a cJSON entity and all subentities. */
extern void cJSON_Delete(cJSON *c);
/* Returns the number of items in an array (or object). */
extern int cJSON_GetArraySize(cJSON *array);
/* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */
extern cJSON *cJSON_GetArrayItem(cJSON *array,int item);
extern cJSON *cJSON_GetArrayItem(cJSON *array, int item);
/* Get item "string" from object. Case insensitive. */
extern cJSON *cJSON_GetObjectItem(cJSON *object,const char *string);
extern int cJSON_HasObjectItem(cJSON *object,const char *string);
extern cJSON *cJSON_GetObjectItem(cJSON *object, const char *string);
extern int cJSON_HasObjectItem(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. */
extern const char *cJSON_GetErrorPtr(void);
......@@ -95,56 +105,56 @@ extern cJSON *cJSON_CreateArray(void);
extern cJSON *cJSON_CreateObject(void);
/* These utilities create an Array of count items. */
extern cJSON *cJSON_CreateIntArray(const int *numbers,int count);
extern cJSON *cJSON_CreateFloatArray(const float *numbers,int count);
extern cJSON *cJSON_CreateDoubleArray(const double *numbers,int count);
extern cJSON *cJSON_CreateStringArray(const char **strings,int count);
extern cJSON *cJSON_CreateIntArray(const int *numbers, int count);
extern cJSON *cJSON_CreateFloatArray(const float *numbers, int count);
extern cJSON *cJSON_CreateDoubleArray(const double *numbers, int count);
extern cJSON *cJSON_CreateStringArray(const char **strings, int count);
/* Append item to the specified array/object. */
extern void cJSON_AddItemToArray(cJSON *array, cJSON *item);
extern void cJSON_AddItemToObject(cJSON *object,const char *string,cJSON *item);
extern void cJSON_AddItemToObjectCS(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 */
extern void cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item);
extern void cJSON_AddItemToObjectCS(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 */
/* 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. */
extern void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item);
extern void cJSON_AddItemReferenceToObject(cJSON *object,const char *string,cJSON *item);
extern void cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item);
/* Remove/Detatch items from Arrays/Objects. */
extern cJSON *cJSON_DetachItemFromArray(cJSON *array,int which);
extern void cJSON_DeleteItemFromArray(cJSON *array,int which);
extern cJSON *cJSON_DetachItemFromObject(cJSON *object,const char *string);
extern void cJSON_DeleteItemFromObject(cJSON *object,const char *string);
extern cJSON *cJSON_DetachItemFromArray(cJSON *array, int which);
extern void cJSON_DeleteItemFromArray(cJSON *array, int which);
extern cJSON *cJSON_DetachItemFromObject(cJSON *object, const char *string);
extern void cJSON_DeleteItemFromObject(cJSON *object, const char *string);
/* Update array items. */
extern void cJSON_InsertItemInArray(cJSON *array,int which,cJSON *newitem); /* Shifts pre-existing items to the right. */
extern void cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem);
extern void cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem); /* Shifts pre-existing items to the right. */
extern void cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem);
extern void cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem);
/* Duplicate a cJSON item */
extern cJSON *cJSON_Duplicate(cJSON *item,int recurse);
extern cJSON *cJSON_Duplicate(cJSON *item, int 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. */
/* 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. If not, then cJSON_GetErrorPtr() does the job. */
extern cJSON *cJSON_ParseWithOpts(const char *value,const char **return_parse_end,int require_null_terminated);
extern cJSON *cJSON_ParseWithOpts(const char *value, const char **return_parse_end, int require_null_terminated);
extern void cJSON_Minify(char *json);
/* Macros for creating things quickly. */
#define cJSON_AddNullToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateNull())
#define cJSON_AddTrueToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateTrue())
#define cJSON_AddFalseToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateFalse())
#define cJSON_AddBoolToObject(object,name,b) cJSON_AddItemToObject(object, name, cJSON_CreateBool(b))
#define cJSON_AddNumberToObject(object,name,n) cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n))
#define cJSON_AddStringToObject(object,name,s) cJSON_AddItemToObject(object, name, cJSON_CreateString(s))
#define cJSON_AddNullToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateNull())
#define cJSON_AddTrueToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateTrue())
#define cJSON_AddFalseToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateFalse())
#define cJSON_AddBoolToObject(object,name,b) cJSON_AddItemToObject(object, name, cJSON_CreateBool(b))
#define cJSON_AddNumberToObject(object,name,n) cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n))
#define cJSON_AddStringToObject(object,name,s) cJSON_AddItemToObject(object, name, cJSON_CreateString(s))
/* When assigning an integer value, it needs to be propagated to valuedouble too. */
#define cJSON_SetIntValue(object,val) ((object)?(object)->valueint=(object)->valuedouble=(val):(val))
#define cJSON_SetNumberValue(object,val) ((object)?(object)->valueint=(object)->valuedouble=(val):(val))
#define cJSON_SetIntValue(object,val) ((object) ? (object)->valueint = (object)->valuedouble = (val) : (val))
#define cJSON_SetNumberValue(object,val) ((object) ? (object)->valueint = (object)->valuedouble = (val) : (val))
/* Macro for iterating over an array */
#define cJSON_ArrayForEach(pos, head) for(pos = (head)->child; pos != NULL; pos = pos->next)
#define cJSON_ArrayForEach(pos, head) for(pos = (head)->child; pos != NULL; pos = pos->next)
#ifdef __cplusplus
}
......
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