#include <ctype.h>
#include "cJSON.h"
-static const char *ep;
+/* Determine the number of bits that an integer has using the preprocessor */
+#if INT_MAX == 32767
+ /* 16 bits */
+ #define INTEGER_SIZE 0x0010
+#elif INT_MAX == 2147483647
+ /* 32 bits */
+ #define INTEGER_SIZE 0x0100
+#elif INT_MAX == 9223372036854775807
+ /* 64 bits */
+ #define INTEGER_SIZE 0x1000
+#else
+ #error "Failed to determine the size of an integer"
+#endif
-const char *cJSON_GetErrorPtr(void) {return ep;}
+static const char *global_ep = NULL;
-static int cJSON_strcasecmp(const char *s1,const char *s2)
+const char *cJSON_GetErrorPtr(void)
{
- 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);
+ return global_ep;
+}
+
+/* case insensitive strcmp */
+static int cJSON_strcasecmp(const char *s1, const char *s2)
+{
+ if (!s1)
+ {
+ return (s1 == s2) ? 0 : 1; /* both NULL? */
+ }
+ if (!s2)
+ {
+ return 1;
+ }
+ for(; tolower(*(const unsigned char *)s1) == tolower(*(const unsigned char *)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;
static char* cJSON_strdup(const char* str)
{
- size_t len;
- char* copy;
+ size_t len = 0;
+ char *copy = NULL;
+
+ len = strlen(str) + 1;
+ if (!(copy = (char*)cJSON_malloc(len)))
+ {
+ return NULL;
+ }
+ 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->string) cJSON_free(c->string);
- cJSON_free(c);
- c=next;
- }
+ cJSON *next = NULL;
+ 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;
+ 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));
+
+ item->valuedouble = n;
+ item->valueint = (int)n;
+ item->type = cJSON_Number;
+
+ return num;
+}
+
+/* calculate the next largest power of 2 */
+static int pow2gt (int x)
{
- double n=0,sign=1,scale=0;int subscale=0,signsubscale=1;
+ --x;
- 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? */
- }
+ x |= x >> 1;
+ x |= x >> 2;
+ x |= x >> 4;
+#if INTEGER_SIZE & 0x1110 /* at least 16 bit */
+ x |= x >> 8;
+#endif
+#if INTEGER_SIZE & 0x1100 /* at least 32 bit */
+ x |= x >> 16;
+#endif
+#if INT_SIZE & 0x1000 /* 64 bit */
+ x |= x >> 32;
+#endif
- 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 x + 1;
+}
+
+typedef struct
+{
+ char *buffer;
+ int length;
+ int offset;
+} printbuffer;
+
+/* realloc printbuffer if necessary to have at least "needed" bytes more */
+static char* ensure(printbuffer *p, int needed)
+{
+ char *newbuffer = NULL;
+ int newsize = 0;
+ if (!p || !p->buffer)
+ {
+ return NULL;
+ }
+ 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 = NULL;
+
+ return NULL;
+ }
+ 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(const printbuffer *p)
+{
+ char *str = NULL;
+ 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)
-{
- char *str;
- double d=item->valuedouble;
- if (fabs(((double)item->valueint)-d)<=DBL_EPSILON && d<=INT_MAX && d>=INT_MIN)
- {
- str=(char*)cJSON_malloc(21); /* 2^64+1 can be represented in 21 chars. */
- if (str) sprintf(str,"%d",item->valueint);
- }
- else
- {
- str=(char*)cJSON_malloc(64); /* This is a nice tradeoff. */
- if (str)
- {
- 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(const cJSON *item, printbuffer *p)
+{
+ char *str = NULL;
+ 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 *ptr=str+1;char *ptr2;char *out;int len=0;unsigned uc,uc2;
- if (*str!='\"') {ep=str;return 0;} /* not a string! */
-
- while (*ptr!='\"' && *ptr && ++len) if (*ptr++ == '\\') ptr++; /* Skip escaped quotes. */
-
- out=(char*)cJSON_malloc(len+1); /* This is how long we need for the string, roughly. */
- if (!out) return 0;
-
- ptr=str+1;ptr2=out;
- while (*ptr!='\"' && *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 ((uc>=0xDC00 && uc<=0xDFFF) || uc==0) break; /* check for invalid. */
-
- if (uc>=0xD800 && uc<=0xDBFF) /* UTF16 surrogate pairs. */
- {
- if (ptr[1]!='\\' || ptr[2]!='u') break; /* missing second-half of surrogate. */
- uc2=parse_hex4(ptr+3);ptr+=6;
- if (uc2<0xDC00 || uc2>0xDFFF) break; /* 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++;
- item->valuestring=out;
- item->type=cJSON_String;
- 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 = NULL;
+ char *out = NULL;
+ int len = 0;
+ unsigned uc = 0;
+ unsigned uc2 = 0;
+
+ /* not a string! */
+ if (*str != '\"')
+ {
+ *ep = str;
+ return NULL;
+ }
+
+ while ((*end_ptr != '\"') && *end_ptr && ++len)
+ {
+ if (*end_ptr++ == '\\')
+ {
+ if (*end_ptr == '\0')
+ {
+ /* prevent buffer overflow when last input character is a backslash */
+ return NULL;
+ }
+ /* 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 NULL;
+ }
+ 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 '\"':
+ case '\\':
+ case '/':
+ *ptr2++ = *ptr;
+ 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 NULL;
+ }
+ /* check for invalid. */
+ if (((uc >= 0xDC00) && (uc <= 0xDFFF)) || (uc == 0))
+ {
+ *ep = str;
+ return NULL;
+ }
+
+ /* UTF16 surrogate pairs. */
+ if ((uc >= 0xD800) && (uc<=0xDBFF))
+ {
+ if ((ptr + 6) > end_ptr)
+ {
+ /* invalid */
+ *ep = str;
+ return NULL;
+ }
+ if ((ptr[1] != '\\') || (ptr[2] != 'u'))
+ {
+ /* missing second-half of surrogate. */
+ *ep = str;
+ return NULL;
+ }
+ uc2 = parse_hex4(ptr + 3);
+ ptr += 6; /* \uXXXX */
+ if ((uc2 < 0xDC00) || (uc2 > 0xDFFF))
+ {
+ /* invalid second-half of surrogate. */
+ *ep = str;
+ return NULL;
+ }
+ /* 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:
+ *ep = str;
+ return NULL;
+ }
+ 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)
-{
- const char *ptr;char *ptr2,*out;int len=0;unsigned char token;
-
- if (!str) return cJSON_strdup("");
- ptr=str;while ((token=*ptr) && ++len) {if (strchr("\"\\\b\f\n\r\t",token)) len++; else if (token<32) len+=5;ptr++;}
-
- 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) {return print_string_ptr(item->valuestring);}
+static char *print_string_ptr(const char *str, printbuffer *p)
+{
+ const char *ptr = NULL;
+ char *ptr2 = NULL;
+ char *out = NULL;
+ int len = 0;
+ int flag = 0;
+ unsigned char token = '\0';
+
+ /* empty string */
+ if (!str)
+ {
+ if (p)
+ {
+ out = ensure(p, 3);
+ }
+ else
+ {
+ out = (char*)cJSON_malloc(3);
+ }
+ if (!out)
+ {
+ return NULL;
+ }
+ 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 NULL;
+ }
+
+ 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 NULL;
+ }
+
+ 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(const cJSON *item, printbuffer *p)
+{
+ return print_string_ptr(item->valuestring, p);
+}
/* Predeclare these prototypes. */
-static const char *parse_value(cJSON *item,const char *value);
-static char *print_value(cJSON *item,int depth,int fmt);
-static const char *parse_array(cJSON *item,const char *value);
-static char *print_array(cJSON *item,int depth,int fmt);
-static const char *parse_object(cJSON *item,const char *value);
-static char *print_object(cJSON *item,int depth,int fmt);
+static const char *parse_value(cJSON *item, const char *value, const char **ep);
+static char *print_value(const 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(const 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(const 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;
- cJSON *c=cJSON_New_Item();
- ep=0;
- if (!c) return 0; /* memory fail */
+ const char *end = NULL;
+ /* 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 = NULL;
+ if (!c) /* memory fail */
+ {
+ return NULL;
+ }
- end=parse_value(c,skip(value));
- if (!end) {cJSON_Delete(c);return 0;} /* parse failure. ep is set. */
+ end = parse_value(c, skip(value), ep);
+ if (!end)
+ {
+ /* parse failure. ep is set. */
+ cJSON_Delete(c);
+ return NULL;
+ }
- /* 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;
+ /* 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 NULL;
+ }
+ }
+ if (return_parse_end)
+ {
+ *return_parse_end = end;
+ }
+
+ 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);}
-char *cJSON_PrintUnformatted(cJSON *item) {return print_value(item,0,0);}
+char *cJSON_Print(const cJSON *item)
+{
+ return print_value(item, 0, 1, 0);
+}
+
+char *cJSON_PrintUnformatted(const cJSON *item)
+{
+ return print_value(item, 0, 0, 0);
+}
+
+char *cJSON_PrintBuffered(const cJSON *item, int prebuffer, int fmt)
+{
+ printbuffer p;
+ p.buffer = (char*)cJSON_malloc(prebuffer);
+ if (!p.buffer)
+ {
+ return NULL;
+ }
+ 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)
+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); }
- if (*value=='-' || (*value>='0' && *value<='9')) { return parse_number(item,value); }
- if (*value=='[') { return parse_array(item,value); }
- if (*value=='{') { return parse_object(item,value); }
+ if (!value)
+ {
+ /* Fail on null. */
+ return NULL;
+ }
- 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);
+ }
+
+ /* failure. */
+ *ep = value;
+ return NULL;
}
/* Render a value to text. */
-static char *print_value(cJSON *item,int depth,int fmt)
-{
- char *out=0;
- if (!item) return 0;
- 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);break;
- case cJSON_String: out=print_string(item);break;
- case cJSON_Array: out=print_array(item,depth,fmt);break;
- case cJSON_Object: out=print_object(item,depth,fmt);break;
- }
- return out;
+static char *print_value(const cJSON *item, int depth, int fmt, printbuffer *p)
+{
+ char *out = NULL;
+
+ if (!item)
+ {
+ return NULL;
+ }
+ 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)
+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 = NULL;
+ if (*value != '[')
+ {
+ /* not an array! */
+ *ep = value;
+ return NULL;
+ }
+
+ 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 NULL;
+ }
+ /* skip any spacing, get the value. */
+ value = skip(parse_value(child, skip(value), ep));
+ if (!value)
+ {
+ return NULL;
+ }
- 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 = NULL;
+ if (!(new_item = cJSON_New_Item()))
+ {
+ /* memory fail */
+ return NULL;
+ }
+ /* add new item to end of the linked list */
+ child->next = new_item;
+ new_item->prev = child;
+ child = new_item;
- item->child=child=cJSON_New_Item();
- if (!item->child) return 0; /* memory fail */
- value=skip(parse_value(child,skip(value))); /* skip any spacing, get the value. */
- if (!value) return 0;
+ /* go to the next comma */
+ value = skip(parse_value(child, skip(value + 1), ep));
+ if (!value)
+ {
+ /* memory fail */
+ return NULL;
+ }
+ }
- 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)));
- if (!value) return 0; /* memory fail */
- }
+ if (*value == ']')
+ {
+ /* end of array */
+ return value + 1;
+ }
- if (*value==']') return value+1; /* end of array */
- ep=value;return 0; /* malformed. */
+ /* malformed. */
+ *ep = value;
+
+ return NULL;
}
/* Render an array to text */
-static char *print_array(cJSON *item,int depth,int fmt)
-{
- char **entries;
- char *out=0,*ptr,*ret;int len=5;
- cJSON *child=item->child;
- int numentries=0,i=0,fail=0;
-
- /* How many entries in the array? */
- while (child) numentries++,child=child->next;
- /* Explicitly handle numentries==0 */
- if (!numentries)
- {
- out=(char*)cJSON_malloc(3);
- if (out) strcpy(out,"[]");
- return out;
- }
- /* 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);
- 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++)
- {
- strcpy(ptr,entries[i]);ptr+=strlen(entries[i]);
- 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(const cJSON *item, int depth, int fmt, printbuffer *p)
+{
+ char **entries;
+ char *out = NULL;
+ char *ptr = NULL;
+ char *ret = NULL;
+ 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 NULL;
+ }
+ *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 NULL;
+ }
+ *ptr++ = ',';
+ if(fmt)
+ {
+ *ptr++ = ' ';
+ }
+ *ptr = '\0';
+ p->offset += len;
+ }
+ child = child->next;
+ }
+ ptr = ensure(p, 2);
+ if (!ptr)
+ {
+ return NULL;
+ }
+ *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 NULL;
+ }
+ 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 NULL;
+ }
+
+ /* 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)
-{
- 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)));
- 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))); /* 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)));
- 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))); /* 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 = NULL;
+ if (*value != '{')
+ {
+ /* not an object! */
+ *ep = value;
+ return NULL;
+ }
+
+ 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 NULL;
+ }
+ /* parse first key */
+ value = skip(parse_string(child, skip(value), ep));
+ if (!value)
+ {
+ return NULL;
+ }
+ /* use string as key, not value */
+ child->string = child->valuestring;
+ child->valuestring = NULL;
+
+ if (*value != ':')
+ {
+ /* invalid object. */
+ *ep = value;
+ return NULL;
+ }
+ /* skip any spacing, get the value. */
+ value = skip(parse_value(child, skip(value + 1), ep));
+ if (!value)
+ {
+ return NULL;
+ }
+
+ while (*value == ',')
+ {
+ cJSON *new_item = NULL;
+ if (!(new_item = cJSON_New_Item()))
+ {
+ /* memory fail */
+ return NULL;
+ }
+ /* 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 NULL;
+ }
+
+ /* use string as key, not value */
+ child->string = child->valuestring;
+ child->valuestring = NULL;
+
+ if (*value != ':')
+ {
+ /* invalid object. */
+ *ep = value;
+ return NULL;
+ }
+ /* skip any spacing, get the value. */
+ value = skip(parse_value(child, skip(value + 1), ep));
+ if (!value)
+ {
+ return NULL;
+ }
+ }
+ /* end of object */
+ if (*value == '}')
+ {
+ return value + 1;
+ }
+
+ /* malformed */
+ *ep = value;
+ return NULL;
}
/* Render an object to text. */
-static char *print_object(cJSON *item,int depth,int fmt)
-{
- 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;
- /* Count the number of entries. */
- while (child) numentries++,child=child->next;
- /* Explicitly handle empty object case */
- if (!numentries)
- {
- out=(char*)cJSON_malloc(fmt?depth+4:3);
- if (!out) return 0;
- ptr=out;*ptr++='{';
- if (fmt) {*ptr++='\n';for (i=0;i<depth-1;i++) *ptr++='\t';}
- *ptr++='}';*ptr++=0;
- return out;
- }
- /* 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)
- {
- names[i]=str=print_string_ptr(child->string);
- entries[i++]=ret=print_value(child,depth,fmt);
- 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';
- strcpy(ptr,names[i]);ptr+=strlen(names[i]);
- *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(const cJSON *item, int depth, int fmt, printbuffer *p)
+{
+ char **entries = NULL;
+ char **names = NULL;
+ char *out = NULL;
+ char *ptr = NULL;
+ char *ret = NULL;
+ char *str = NULL;
+ int len = 7;
+ int i = 0;
+ int j = 0;
+ 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 NULL;
+ }
+ 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 NULL;
+ }
+
+ *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 NULL;
+ }
+ 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 NULL;
+ }
+ *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 NULL;
+ }
+ 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 NULL;
+ }
+ 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 NULL;
+ }
+ names = (char**)cJSON_malloc(numentries * sizeof(char*));
+ if (!names)
+ {
+ cJSON_free(entries);
+ return NULL;
+ }
+ 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 NULL;
+ }
+
+ /* 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->child; while (c && item>0) item--,c=c->next; return c;}
-cJSON *cJSON_GetObjectItem(cJSON *object,const char *string) {cJSON *c=object->child; while (c && cJSON_strcasecmp(c->string,string)) c=c->next; return c;}
+int cJSON_GetArraySize(const cJSON *array)
+{
+ cJSON *c = array->child;
+ int i = 0;
+ while(c)
+ {
+ i++;
+ c = c->next;
+ }
+ return i;
+}
+
+cJSON *cJSON_GetArrayItem(const cJSON *array, int item)
+{
+ cJSON *c = array ? array->child : NULL;
+ while (c && item > 0)
+ {
+ item--;
+ c = c->next;
+ }
+
+ return c;
+}
+
+cJSON *cJSON_GetObjectItem(const cJSON *object, const char *string)
+{
+ cJSON *c = object ? object->child : NULL;
+ while (c && cJSON_strcasecmp(c->string, string))
+ {
+ c = c->next;
+ }
+ return c;
+}
+
+int cJSON_HasObjectItem(const 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(const cJSON *item)
+{
+ cJSON *ref = cJSON_New_Item();
+ if (!ref)
+ {
+ return NULL;
+ }
+ memcpy(ref, item, sizeof(cJSON));
+ ref->string = NULL;
+ ref->type |= cJSON_IsReference;
+ ref->next = ref->prev = NULL;
+ 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_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));}
+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->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 NULL;
+ }
+ 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 = NULL;
-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));}
+ 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 NULL;
+}
+
+void cJSON_DeleteItemFromObject(cJSON *object, const char *string)
+{
+ cJSON_Delete(cJSON_DetachItemFromObject(object, string));
+}
/* Replace array/object items with new ones. */
-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 = NULL;
+ 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)
+ {
+ /* free the old string if not const */
+ if (!(newitem->type & cJSON_StringIsConst) && newitem->string)
+ {
+ cJSON_free(newitem->string);
+ }
+
+ 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);}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 NULL;
+ }
+ }
+
+ 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(!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(!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(!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(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
+cJSON *cJSON_CreateIntArray(const int *numbers, int count)
+{
+ int i = 0;
+ cJSON *n = NULL;
+ cJSON *p = NULL;
+ cJSON *a = cJSON_CreateArray();
+ for(i = 0; a && (i < count); i++)
+ {
+ n = cJSON_CreateNumber(numbers[i]);
+ if (!n)
+ {
+ cJSON_Delete(a);
+ return NULL;
+ }
+ if(!i)
+ {
+ a->child = n;
+ }
+ else
+ {
+ suffix_object(p, n);
+ }
+ p = n;
+ }
+
+ return a;
+}
+
+cJSON *cJSON_CreateFloatArray(const float *numbers, int count)
+{
+ int i = 0;
+ cJSON *n = NULL;
+ cJSON *p = NULL;
+ cJSON *a = cJSON_CreateArray();
+ for(i = 0; a && (i < count); i++)
+ {
+ n = cJSON_CreateNumber(numbers[i]);
+ if(!n)
+ {
+ cJSON_Delete(a);
+ return NULL;
+ }
+ if(!i)
+ {
+ a->child = n;
+ }
+ else
+ {
+ suffix_object(p, n);
+ }
+ p = n;
+ }
+
+ return a;
+}
+
+cJSON *cJSON_CreateDoubleArray(const double *numbers, int count)
+{
+ int i = 0;
+ cJSON *n = NULL;
+ cJSON *p = NULL;
+ cJSON *a = cJSON_CreateArray();
+ for(i = 0;a && (i < count); i++)
+ {
+ n = cJSON_CreateNumber(numbers[i]);
+ if(!n)
+ {
+ cJSON_Delete(a);
+ return NULL;
+ }
+ if(!i)
+ {
+ a->child = n;
+ }
+ else
+ {
+ suffix_object(p, n);
+ }
+ p = n;
+ }
+
+ return a;
+}
+
+cJSON *cJSON_CreateStringArray(const char **strings, int count)
+{
+ int i = 0;
+ cJSON *n = NULL;
+ cJSON *p = NULL;
+ cJSON *a = cJSON_CreateArray();
+ for (i = 0; a && (i < count); i++)
+ {
+ n = cJSON_CreateString(strings[i]);
+ if(!n)
+ {
+ cJSON_Delete(a);
+ return NULL;
+ }
+ 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(const cJSON *item, int recurse)
+{
+ cJSON *newitem = NULL;
+ cJSON *cptr = NULL;
+ cJSON *nptr = NULL;
+ cJSON *newchild = NULL;
+
+ /* Bail on bad ptr */
+ if (!item)
+ {
+ return NULL;
+ }
+ /* Create new item */
+ newitem = cJSON_New_Item();
+ if (!newitem)
+ {
+ return NULL;
+ }
+ /* 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 NULL;
+ }
+ }
+ if (item->string)
+ {
+ newitem->string = cJSON_strdup(item->string);
+ if (!newitem->string)
+ {
+ cJSON_Delete(newitem);
+ return NULL;
+ }
+ }
+ /* 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 NULL;
+ }
+ 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.
-}
\ No newline at end of file
+ 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';
+}
projects / platform / upstream / iotivity.git / blobdiff