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New Json logic

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This commit is contained in:
Krad
2021-12-07 14:09:24 +08:00
parent 6627b8bb2a
commit 3db49c8cfb
4 changed files with 680 additions and 346 deletions
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591
src/json/cJSON.c
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@@ -9,110 +9,111 @@
#include "cJSON.h" #include "cJSON.h"
#ifdef WIN32 #ifdef WIN32
#pragma warning(disable:4996) #pragma warning(disable:4996)
#endif #endif
static const char *ep; static const char* ep;
const char *cJSON_GetErrorPtr() {return ep;} const char* cJSON_GetErrorPtr() { return ep; }
static int cJSON_strcasecmp(const char *s1,const char *s2) static int cJSON_strcasecmp(const char* s1, const char* s2)
{ {
if (!s1) return (s1==s2)?0:1;if (!s2) return 1; if (!s1) return (s1 == s2) ? 0 : 1; if (!s2) return 1;
for(; tolower(*s1) == tolower(*s2); ++s1, ++s2) if(*s1 == 0) return 0; for (; tolower(*s1) == tolower(*s2); ++s1, ++s2) if (*s1 == 0) return 0;
return tolower(*(const unsigned char *)s1) - tolower(*(const unsigned char *)s2); return tolower(*(const unsigned char*)s1) - tolower(*(const unsigned char*)s2);
} }
static void *(*cJSON_malloc)(size_t sz) = malloc; static void* (*cJSON_malloc)(size_t sz) = malloc;
static void (*cJSON_free)(void *ptr) = free; static void (*cJSON_free)(void* ptr) = free;
static char* cJSON_strdup(const char* str) static char* cJSON_strdup(const char* str)
{ {
size_t len; size_t len;
char* copy; char* copy;
len = strlen(str) + 1; len = strlen(str) + 1;
if (!(copy = (char*)cJSON_malloc(len))) return 0; if (!(copy = (char*)cJSON_malloc(len))) return 0;
memcpy(copy,str,len); memcpy(copy, str, len);
return copy; return copy;
} }
void cJSON_InitHooks(cJSON_Hooks* hooks) void cJSON_InitHooks(cJSON_Hooks* hooks)
{ {
if (!hooks) { /* Reset hooks */ if (!hooks) { /* Reset hooks */
cJSON_malloc = malloc; cJSON_malloc = malloc;
cJSON_free = free; cJSON_free = free;
return; return;
} }
cJSON_malloc = (hooks->malloc_fn)?hooks->malloc_fn:malloc; cJSON_malloc = (hooks->malloc_fn) ? hooks->malloc_fn : malloc;
cJSON_free = (hooks->free_fn)?hooks->free_fn:free; cJSON_free = (hooks->free_fn) ? hooks->free_fn : free;
} }
/* Internal constructor. */ /* Internal constructor. */
static cJSON *cJSON_New_Item() static cJSON* cJSON_New_Item()
{ {
cJSON* node = (cJSON*)cJSON_malloc(sizeof(cJSON)); cJSON* node = (cJSON*)cJSON_malloc(sizeof(cJSON));
if (node) memset(node,0,sizeof(cJSON)); if (node) memset(node, 0, sizeof(cJSON));
return node; return node;
} }
/* Delete a cJSON structure. */ /* Delete a cJSON structure. */
void cJSON_Delete(cJSON *c) void cJSON_Delete(cJSON* c)
{ {
cJSON *next; cJSON* next;
while (c) while (c)
{ {
next=c->next; next = c->next;
if (!(c->type&cJSON_IsReference) && c->child) cJSON_Delete(c->child); 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_IsReference) && c->valuestring) cJSON_free(c->valuestring);
if (c->string) cJSON_free(c->string); if (c->string) cJSON_free(c->string);
cJSON_free(c); cJSON_free(c);
c=next; c = next;
} }
} }
/* Parse the input text to generate a number, and populate the result into item. */ /* 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, sign = 1, scale = 0; int subscale = 0, signsubscale = 1;
/* Could use sscanf for this? */ /* Could use sscanf for this? */
if (*num=='-') sign=-1,num++; /* Has sign? */ if (*num == '-') sign = -1, num++; /* Has sign? */
if (*num=='0') num++; /* is zero */ 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 >= '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 == '.' && 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? */ 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? */ num++; if (*num == '+') num++; else if (*num == '-') signsubscale = -1, num++; /* With sign? */
while (*num >= '0' && *num <= '9') subscale = (subscale * 10) + (*num++ - '0'); /* Number? */
} }
n=sign*n*pow(10.0,(scale+subscale*signsubscale)); /* number = +/- number.fraction * 10^+/- exponent */ n = sign * n * pow(10.0, (scale + subscale * signsubscale)); /* number = +/- number.fraction * 10^+/- exponent */
item->valuedouble=n; item->valuedouble = n;
item->valueint=(int)n; item->valueint = (int)n;
item->type=cJSON_Number; item->type = cJSON_Number;
return num; return num;
} }
/* Render the number nicely from the given item into a string. */ /* Render the number nicely from the given item into a string. */
static char *print_number(cJSON *item) static char* print_number(cJSON* item)
{ {
char *str; char* str;
double d=item->valuedouble; double d = item->valuedouble;
if (fabs(((double)item->valueint)-d)<=DBL_EPSILON && d<=INT_MAX && d>=INT_MIN) 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. */ str = (char*)cJSON_malloc(21); /* 2^64+1 can be represented in 21 chars. */
if (str) sprintf(str,"%d",item->valueint); if (str) sprintf(str, "%d", item->valueint);
} }
else else
{ {
str=(char*)cJSON_malloc(64); /* This is a nice tradeoff. */ str = (char*)cJSON_malloc(64); /* This is a nice tradeoff. */
if (str) if (str)
{ {
if (fabs(floor(d)-d)<=DBL_EPSILON) sprintf(str,"%.0f",d); if (fabs(floor(d) - d) <= DBL_EPSILON) sprintf(str, "%.0f", d);
else if (fabs(d)<1.0e-6 || fabs(d)>1.0e9) sprintf(str,"%e",d); else if (fabs(d) < 1.0e-6 || fabs(d) > 1.0e9) sprintf(str, "%e", d);
else sprintf(str,"%f",d); else sprintf(str, "%f", d);
} }
} }
return str; return str;
@@ -120,375 +121,405 @@ static char *print_number(cJSON *item)
/* Parse the input text into an unescaped cstring, and populate item. */ /* 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 unsigned char firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
static const char *parse_string(cJSON *item,const char *str) 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; const char* ptr = str + 1; char* ptr2; char* out; int len = 0; unsigned uc, uc2;
if (*str!='\"') {ep=str;return 0;} /* not a string! */ if (*str != '\"') { ep = str; return 0; } /* not a string! */
while (*ptr!='\"' && *ptr && ++len) if (*ptr++ == '\\') ptr++; /* Skip escaped quotes. */ 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. */ out = (char*)cJSON_malloc(len + 1); /* This is how long we need for the string, roughly. */
if (!out) return 0; if (!out) return 0;
ptr=str+1;ptr2=out; ptr = str + 1; ptr2 = out;
while (*ptr!='\"' && *ptr) while (*ptr != '\"' && *ptr)
{ {
if (*ptr!='\\') *ptr2++=*ptr++; if (*ptr != '\\') *ptr2++ = *ptr++;
else else
{ {
ptr++; ptr++;
switch (*ptr) switch (*ptr)
{ {
case 'b': *ptr2++='\b'; break; case 'b': *ptr2++ = '\b'; break;
case 'f': *ptr2++='\f'; break; case 'f': *ptr2++ = '\f'; break;
case 'n': *ptr2++='\n'; break; case 'n': *ptr2++ = '\n'; break;
case 'r': *ptr2++='\r'; break; case 'r': *ptr2++ = '\r'; break;
case 't': *ptr2++='\t'; break; case 't': *ptr2++ = '\t'; break;
case 'u': /* transcode utf16 to utf8. */ case 'u': /* transcode utf16 to utf8. */
sscanf(ptr+1,"%4x",&uc);ptr+=4; /* get the unicode char. */ sscanf(ptr + 1, "%4x", &uc); ptr += 4; /* get the unicode char. */
if ((uc>=0xDC00 && uc<=0xDFFF) || uc==0) break; // check for invalid. if ((uc >= 0xDC00 && uc <= 0xDFFF) || uc == 0) break; // check for invalid.
if (uc>=0xD800 && uc<=0xDBFF) // UTF16 surrogate pairs. if (uc >= 0xD800 && uc <= 0xDBFF) // UTF16 surrogate pairs.
{ {
if (ptr[1]!='\\' || ptr[2]!='u') break; // missing second-half of surrogate. if (ptr[1] != '\\' || ptr[2] != 'u') break; // missing second-half of surrogate.
sscanf(ptr+3,"%4x",&uc2);ptr+=6; sscanf(ptr + 3, "%4x", &uc2); ptr += 6;
if (uc2<0xDC00 || uc2>0xDFFF) break; // invalid second-half of surrogate. if (uc2 < 0xDC00 || uc2>0xDFFF) break; // invalid second-half of surrogate.
uc=0x10000 | ((uc&0x3FF)<<10) | (uc2&0x3FF); 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; len = 4; if (uc < 0x80) len = 1; else if (uc < 0x800) len = 2; else if (uc < 0x10000) len = 3; ptr2 += len;
switch (len) { switch (len) {
case 4: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6; case 4: *--ptr2 = ((uc | 0x80) & 0xBF); uc >>= 6;
case 3: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6; case 3: *--ptr2 = ((uc | 0x80) & 0xBF); uc >>= 6;
case 2: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6; case 2: *--ptr2 = ((uc | 0x80) & 0xBF); uc >>= 6;
case 1: *--ptr2 =(uc | firstByteMark[len]); case 1: *--ptr2 = (uc | firstByteMark[len]);
} }
ptr2+=len; ptr2 += len;
break; break;
default: *ptr2++=*ptr; break; default: *ptr2++ = *ptr; break;
} }
ptr++; ptr++;
} }
} }
*ptr2=0; *ptr2 = 0;
if (*ptr=='\"') ptr++; if (*ptr == '\"') ptr++;
item->valuestring=out; item->valuestring = out;
item->type=cJSON_String; item->type = cJSON_String;
return ptr; return ptr;
} }
/* Render the cstring provided to an escaped version that can be printed. */ /* Render the cstring provided to an escaped version that can be printed. */
static char *print_string_ptr(const char *str) static char* print_string_ptr(const char* str)
{ {
const char *ptr;char *ptr2,*out;int len=0;unsigned char token; const char* ptr; char* ptr2, * out; int len = 0; unsigned char token;
if (!str) return cJSON_strdup(""); 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++;} 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); out = (char*)cJSON_malloc(len + 3);
if (!out) return 0; if (!out) return 0;
ptr2=out;ptr=str; ptr2 = out; ptr = str;
*ptr2++='\"'; *ptr2++ = '\"';
while (*ptr) while (*ptr)
{ {
if ((unsigned char)*ptr>31 && *ptr!='\"' && *ptr!='\\') *ptr2++=*ptr++; if ((unsigned char)*ptr > 31 && *ptr != '\"' && *ptr != '\\') *ptr2++ = *ptr++;
else else
{ {
*ptr2++='\\'; *ptr2++ = '\\';
switch (token=*ptr++) switch (token = *ptr++)
{ {
case '\\': *ptr2++='\\'; break; case '\\': *ptr2++ = '\\'; break;
case '\"': *ptr2++='\"'; break; case '\"': *ptr2++ = '\"'; break;
case '\b': *ptr2++='b'; break; case '\b': *ptr2++ = 'b'; break;
case '\f': *ptr2++='f'; break; case '\f': *ptr2++ = 'f'; break;
case '\n': *ptr2++='n'; break; case '\n': *ptr2++ = 'n'; break;
case '\r': *ptr2++='r'; break; case '\r': *ptr2++ = 'r'; break;
case '\t': *ptr2++='t'; break; case '\t': *ptr2++ = 't'; break;
default: sprintf(ptr2,"u%04x",token);ptr2+=5; break; /* escape and print */ default: sprintf(ptr2, "u%04x", token); ptr2 += 5; break; /* escape and print */
} }
} }
} }
*ptr2++='\"';*ptr2++=0; *ptr2++ = '\"'; *ptr2++ = 0;
return out; return out;
} }
/* Invote print_string_ptr (which is useful) on an item. */ /* 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(cJSON* item) { return print_string_ptr(item->valuestring); }
/* Predeclare these prototypes. */ /* Predeclare these prototypes. */
static const char *parse_value(cJSON *item,const char *value); static const char* parse_value(cJSON* item, const char* value);
static char *print_value(cJSON *item,int depth,int fmt); static char* print_value(cJSON* item, int depth, int fmt);
static const char *parse_array(cJSON *item,const char *value); static const char* parse_array(cJSON* item, const char* value);
static char *print_array(cJSON *item,int depth,int fmt); static char* print_array(cJSON* item, int depth, int fmt);
static const char *parse_object(cJSON *item,const char *value); static const char* parse_object(cJSON* item, const char* value);
static char *print_object(cJSON *item,int depth,int fmt); static char* print_object(cJSON* item, int depth, int fmt);
/* Utility to jump whitespace and cr/lf */ /* 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. */ /* Parse an object - create a new root, and populate. */
cJSON *cJSON_Parse(const char *value) cJSON* cJSON_Parse(const char* value)
{ {
cJSON *c=cJSON_New_Item(); cJSON* c = cJSON_New_Item();
ep=0; ep = 0;
if (!c) return 0; /* memory fail */ if (!c) return 0; /* memory fail */
if (!parse_value(c,skip(value))) {cJSON_Delete(c);return 0;} if (!parse_value(c, skip(value))) { cJSON_Delete(c); return 0; }
return c; return c;
} }
/* Render a cJSON item/entity/structure to text. */ /* Render a cJSON item/entity/structure to text. */
char *cJSON_Print(cJSON *item) {return print_value(item,0,1);} char* cJSON_Print(cJSON* item) { return print_value(item, 0, 1); }
char *cJSON_PrintUnformatted(cJSON *item) {return print_value(item,0,0);} char* cJSON_PrintUnformatted(cJSON* item) { return print_value(item, 0, 0); }
/* Parser core - when encountering text, process appropriately. */ /* 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)
{ {
if (!value) return 0; /* Fail on null. */ if (!value) return 0; /* Fail on null. */
if (!strncmp(value,"null",4)) { item->type=cJSON_NULL; return value+4; } 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, "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 (!strncmp(value, "true", 4)) { item->type = cJSON_True; item->valueint = 1; return value + 4; }
if (*value=='\"') { return parse_string(item,value); } if (*value == '\"') { return parse_string(item, value); }
if (*value=='-' || (*value>='0' && *value<='9')) { return parse_number(item,value); } if (*value == '-' || (*value >= '0' && *value <= '9')) { return parse_number(item, value); }
if (*value=='[') { return parse_array(item,value); } if (*value == '[') { return parse_array(item, value); }
if (*value=='{') { return parse_object(item,value); } if (*value == '{') { return parse_object(item, value); }
ep=value;return 0; /* failure. */ ep = value; return 0; /* failure. */
} }
/* Render a value to text. */ /* Render a value to text. */
static char *print_value(cJSON *item,int depth,int fmt) static char* print_value(cJSON* item, int depth, int fmt)
{ {
char *out=0; char* out = 0;
if (!item) return 0; if (!item) return 0;
switch ((item->type)&255) switch ((item->type) & 255)
{ {
case cJSON_NULL: out=cJSON_strdup("null"); break; case cJSON_NULL: out = cJSON_strdup("null"); break;
case cJSON_False: out=cJSON_strdup("false");break; case cJSON_False: out = cJSON_strdup("false"); break;
case cJSON_True: out=cJSON_strdup("true"); break; case cJSON_True: out = cJSON_strdup("true"); break;
case cJSON_Number: out=print_number(item);break; case cJSON_Number: out = print_number(item); break;
case cJSON_String: out=print_string(item);break; case cJSON_String: out = print_string(item); break;
case cJSON_Array: out=print_array(item,depth,fmt);break; case cJSON_Array: out = print_array(item, depth, fmt); break;
case cJSON_Object: out=print_object(item,depth,fmt);break; case cJSON_Object: out = print_object(item, depth, fmt); break;
} }
return out; return out;
} }
/* Build an array from input text. */ /* 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)
{ {
cJSON *child; cJSON* child;
if (*value!='[') {ep=value;return 0;} /* not an array! */ if (*value != '[') { ep = value; return 0; } /* not an array! */
item->type=cJSON_Array; item->type = cJSON_Array;
value=skip(value+1); value = skip(value + 1);
if (*value==']') return value+1; /* empty array. */ if (*value == ']') return value + 1; /* empty array. */
item->child=child=cJSON_New_Item(); item->child = child = cJSON_New_Item();
if (!item->child) return 0; /* memory fail */ if (!item->child) return 0; /* memory fail */
value=skip(parse_value(child,skip(value))); /* skip any spacing, get the value. */ value = skip(parse_value(child, skip(value))); /* skip any spacing, get the value. */
if (!value) return 0; if (!value) return 0;
while (*value==',') while (*value == ',')
{ {
cJSON *new_item; cJSON* new_item;
if (!(new_item=cJSON_New_Item())) return 0; /* memory fail */ if (!(new_item = cJSON_New_Item())) return 0; /* memory fail */
child->next=new_item;new_item->prev=child;child=new_item; child->next = new_item; new_item->prev = child; child = new_item;
value=skip(parse_value(child,skip(value+1))); value = skip(parse_value(child, skip(value + 1)));
if (!value) return 0; /* memory fail */ if (!value) return 0; /* memory fail */
} }
if (*value==']') return value+1; /* end of array */ if (*value == ']') return value + 1; /* end of array */
ep=value;return 0; /* malformed. */ ep = value; return 0; /* malformed. */
} }
/* Render an array to text */ /* Render an array to text */
static char *print_array(cJSON *item,int depth,int fmt) static char* print_array(cJSON* item, int depth, int fmt)
{ {
char **entries; char** entries;
char *out=0,*ptr,*ret;int len=5; char* out = 0, * ptr, * ret; int len = 5;
cJSON *child=item->child; cJSON* child = item->child;
int numentries=0,i=0,fail=0; int numentries = 0, i = 0, fail = 0;
/* How many entries in the array? */ /* How many entries in the array? */
while (child) numentries++,child=child->next; while (child) numentries++, child = child->next;
/* Allocate an array to hold the values for each */ /* Allocate an array to hold the values for each */
entries=(char**)cJSON_malloc(numentries*sizeof(char*)); entries = (char**)cJSON_malloc(numentries * sizeof(char*));
if (!entries) return 0; if (!entries) return 0;
memset(entries,0,numentries*sizeof(char*)); memset(entries, 0, numentries * sizeof(char*));
/* Retrieve all the results: */ /* Retrieve all the results: */
child=item->child; child = item->child;
while (child && !fail) while (child && !fail)
{ {
ret=print_value(child,depth+1,fmt); ret = print_value(child, depth + 1, fmt);
entries[i++]=ret; entries[i++] = ret;
if (ret) len+=strlen(ret)+2+(fmt?1:0); else fail=1; if (ret) len += strlen(ret) + 2 + (fmt ? 1 : 0); else fail = 1;
child=child->next; child = child->next;
} }
/* If we didn't fail, try to malloc the output string */ /* If we didn't fail, try to malloc the output string */
if (!fail) out=(char*)cJSON_malloc(len); if (!fail) out = (char*)cJSON_malloc(len);
/* If that fails, we fail. */ /* If that fails, we fail. */
if (!out) fail=1; if (!out) fail = 1;
/* Handle failure. */ /* Handle failure. */
if (fail) if (fail)
{ {
for (i=0;i<numentries;i++) if (entries[i]) cJSON_free(entries[i]); for (i = 0; i < numentries; i++) if (entries[i]) cJSON_free(entries[i]);
cJSON_free(entries); cJSON_free(entries);
return 0; return 0;
} }
/* Compose the output array. */ /* Compose the output array. */
*out='['; *out = '[';
ptr=out+1;*ptr=0; ptr = out + 1; *ptr = 0;
for (i=0;i<numentries;i++) for (i = 0; i < numentries; i++)
{ {
strcpy(ptr,entries[i]);ptr+=strlen(entries[i]); strcpy(ptr, entries[i]); ptr += strlen(entries[i]);
if (i!=numentries-1) {*ptr++=',';if(fmt)*ptr++=' ';*ptr=0;} if (i != numentries - 1) { *ptr++ = ','; if (fmt)*ptr++ = ' '; *ptr = 0; }
cJSON_free(entries[i]); cJSON_free(entries[i]);
} }
cJSON_free(entries); cJSON_free(entries);
*ptr++=']';*ptr++=0; *ptr++ = ']'; *ptr++ = 0;
return out; return out;
} }
/* Build an object from the text. */ /* Build an object from the text. */
static const char *parse_object(cJSON *item,const char *value) static const char* parse_object(cJSON* item, const char* value)
{ {
cJSON *child; cJSON* child;
if (*value!='{') {ep=value;return 0;} /* not an object! */ if (*value != '{') { ep = value; return 0; } /* not an object! */
item->type=cJSON_Object; item->type = cJSON_Object;
value=skip(value+1); value = skip(value + 1);
if (*value=='}') return value+1; /* empty array. */ if (*value == '}') return value + 1; /* empty array. */
item->child=child=cJSON_New_Item(); item->child = child = cJSON_New_Item();
if (!item->child) return 0; if (!item->child) return 0;
value=skip(parse_string(child,skip(value))); value = skip(parse_string(child, skip(value)));
if (!value) return 0; if (!value) return 0;
child->string=child->valuestring;child->valuestring=0; child->string = child->valuestring; child->valuestring = 0;
if (*value!=':') {ep=value;return 0;} /* fail! */ if (*value != ':') { ep = value; return 0; } /* fail! */
value=skip(parse_value(child,skip(value+1))); /* skip any spacing, get the value. */ value = skip(parse_value(child, skip(value + 1))); /* skip any spacing, get the value. */
if (!value) return 0; if (!value) return 0;
while (*value==',') while (*value == ',')
{ {
cJSON *new_item; cJSON* new_item;
if (!(new_item=cJSON_New_Item())) return 0; /* memory fail */ if (!(new_item = cJSON_New_Item())) return 0; /* memory fail */
child->next=new_item;new_item->prev=child;child=new_item; child->next = new_item; new_item->prev = child; child = new_item;
value=skip(parse_string(child,skip(value+1))); value = skip(parse_string(child, skip(value + 1)));
if (!value) return 0; if (!value) return 0;
child->string=child->valuestring;child->valuestring=0; child->string = child->valuestring; child->valuestring = 0;
if (*value!=':') {ep=value;return 0;} /* fail! */ if (*value != ':') { ep = value; return 0; } /* fail! */
value=skip(parse_value(child,skip(value+1))); /* skip any spacing, get the value. */ value = skip(parse_value(child, skip(value + 1))); /* skip any spacing, get the value. */
if (!value) return 0; if (!value) return 0;
} }
if (*value=='}') return value+1; /* end of array */ if (*value == '}') return value + 1; /* end of array */
ep=value;return 0; /* malformed. */ ep = value; return 0; /* malformed. */
} }
/* Render an object to text. */ /* Render an object to text. */
static char *print_object(cJSON *item,int depth,int fmt) static char* print_object(cJSON* item, int depth, int fmt)
{ {
char **entries=0,**names=0; char** entries = 0, ** names = 0;
char *out=0,*ptr,*ret,*str;int len=7,i=0,j; char* out = 0, * ptr, * ret, * str; int len = 7, i = 0, j;
cJSON *child=item->child; cJSON* child = item->child;
int numentries=0,fail=0; int numentries = 0, fail = 0;
/* Count the number of entries. */ /* Count the number of entries. */
while (child) numentries++,child=child->next; while (child) numentries++, child = child->next;
/* Allocate space for the names and the objects */ /* Allocate space for the names and the objects */
entries=(char**)cJSON_malloc(numentries*sizeof(char*)); entries = (char**)cJSON_malloc(numentries * sizeof(char*));
if (!entries) return 0; if (!entries) return 0;
names=(char**)cJSON_malloc(numentries*sizeof(char*)); names = (char**)cJSON_malloc(numentries * sizeof(char*));
if (!names) {cJSON_free(entries);return 0;} if (!names) { cJSON_free(entries); return 0; }
memset(entries,0,sizeof(char*)*numentries); memset(entries, 0, sizeof(char*) * numentries);
memset(names,0,sizeof(char*)*numentries); memset(names, 0, sizeof(char*) * numentries);
/* Collect all the results into our arrays: */ /* Collect all the results into our arrays: */
child=item->child;depth++;if (fmt) len+=depth; child = item->child; depth++; if (fmt) len += depth;
while (child) while (child)
{ {
names[i]=str=print_string_ptr(child->string); names[i] = str = print_string_ptr(child->string);
entries[i++]=ret=print_value(child,depth,fmt); entries[i++] = ret = print_value(child, depth, fmt);
if (str && ret) len+=strlen(ret)+strlen(str)+2+(fmt?2+depth:0); else fail=1; if (str && ret) len += strlen(ret) + strlen(str) + 2 + (fmt ? 2 + depth : 0); else fail = 1;
child=child->next; child = child->next;
} }
/* Try to allocate the output string */ /* Try to allocate the output string */
if (!fail) out=(char*)cJSON_malloc(len); if (!fail) out = (char*)cJSON_malloc(len);
if (!out) fail=1; if (!out) fail = 1;
/* Handle failure */ /* Handle failure */
if (fail) if (fail)
{ {
for (i=0;i<numentries;i++) {if (names[i]) cJSON_free(names[i]);if (entries[i]) cJSON_free(entries[i]);} 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); cJSON_free(names); cJSON_free(entries);
return 0; return 0;
} }
/* Compose the output: */ /* Compose the output: */
*out='{';ptr=out+1;if (fmt)*ptr++='\n';*ptr=0; *out = '{'; ptr = out + 1; if (fmt)*ptr++ = '\n'; *ptr = 0;
for (i=0;i<numentries;i++) for (i = 0; i < numentries; i++)
{ {
if (fmt) for (j=0;j<depth;j++) *ptr++='\t'; if (fmt) for (j = 0; j < depth; j++) *ptr++ = '\t';
strcpy(ptr,names[i]);ptr+=strlen(names[i]); strcpy(ptr, names[i]); ptr += strlen(names[i]);
*ptr++=':';if (fmt) *ptr++='\t'; *ptr++ = ':'; if (fmt) *ptr++ = '\t';
strcpy(ptr,entries[i]);ptr+=strlen(entries[i]); strcpy(ptr, entries[i]); ptr += strlen(entries[i]);
if (i!=numentries-1) *ptr++=','; if (i != numentries - 1) *ptr++ = ',';
if (fmt) *ptr++='\n';*ptr=0; if (fmt) *ptr++ = '\n'; *ptr = 0;
cJSON_free(names[i]);cJSON_free(entries[i]); cJSON_free(names[i]); cJSON_free(entries[i]);
} }
cJSON_free(names);cJSON_free(entries); cJSON_free(names); cJSON_free(entries);
if (fmt) for (i=0;i<depth-1;i++) *ptr++='\t'; if (fmt) for (i = 0; i < depth - 1; i++) *ptr++ = '\t';
*ptr++='}';*ptr++=0; *ptr++ = '}'; *ptr++ = 0;
return out; return out;
} }
/* Get Array size/item / object item. */ /* 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;} 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_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;} cJSON* cJSON_GetObjectItem(cJSON* object, const char* string) { cJSON* c = object->child; while (c && cJSON_strcasecmp(c->string, string)) c = c->next; return c; }
/* Utility for array list handling. */ /* 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. */ /* 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. */ /* 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_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_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_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_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; cJSON* cJSON_DetachItemFromArray(cJSON* array, int which) {
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;} cJSON* c = array->child; while (c && which > 0) c = c->next, which--; if (!c) return 0;
void cJSON_DeleteItemFromArray(cJSON *array,int which) {cJSON_Delete(cJSON_DetachItemFromArray(array,which));} 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;
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_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. */ /* 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; void cJSON_ReplaceItemInArray(cJSON* array, int which, cJSON* newitem) {
newitem->next=c->next;newitem->prev=c->prev;if (newitem->next) newitem->next->prev=newitem; cJSON* c = array->child; while (c && which > 0) c = c->next, which--; if (!c) return;
if (c==array->child) array->child=newitem; else newitem->prev->next=newitem;c->next=c->prev=0;cJSON_Delete(c);} newitem->next = c->next; newitem->prev = c->prev; if (newitem->next) newitem->next->prev = newitem;
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);}} if (c == array->child) array->child = newitem; else newitem->prev->next = newitem; c->next = c->prev = 0; cJSON_Delete(c);
}
cJSON* cJSON_FindItemInArray(cJSON* array, int which)
{
cJSON* c = array->child;
while (c && which > 0) c = c->next, which--;
return 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);
}
}
cJSON* cJSON_FindItemInObject(cJSON* object, const char* string)
{
int i = 0;
cJSON* c = object->child;
while (c && cJSON_strcasecmp(c->string, string))i++, c = c->next;
return c;
}
/* Create basic types: */ /* Create basic types: */
cJSON *cJSON_CreateNull() {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_NULL;return item;} cJSON* cJSON_CreateNull() { cJSON* item = cJSON_New_Item(); if (item)item->type = cJSON_NULL; return item; }
cJSON *cJSON_CreateTrue() {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_True;return item;} cJSON* cJSON_CreateTrue() { cJSON* item = cJSON_New_Item(); if (item)item->type = cJSON_True; return item; }
cJSON *cJSON_CreateFalse() {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_False;return item;} cJSON* cJSON_CreateFalse() { 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_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_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_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() {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_Array;return item;} cJSON* cJSON_CreateArray() { cJSON* item = cJSON_New_Item(); if (item)item->type = cJSON_Array; return item; }
cJSON *cJSON_CreateObject() {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_Object;return item;} cJSON* cJSON_CreateObject() { cJSON* item = cJSON_New_Item(); if (item)item->type = cJSON_Object; return item; }
/* Create Arrays: */ /* Create Arrays: */
cJSON *cJSON_CreateIntArray(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_CreateIntArray(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(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_CreateFloatArray(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(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_CreateDoubleArray(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_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; }

136
src/json/cJSON.h
View File

@@ -1,16 +1,16 @@
/* /*
Copyright (c) 2009 Dave Gamble Copyright (c) 2009 Dave Gamble
Permission is hereby granted, free of charge, to any person obtaining a copy Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions: furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software. all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ -28,7 +28,7 @@ extern "C"
{ {
#endif #endif
/* cJSON Types: */ /* cJSON Types: */
#define cJSON_False 0 #define cJSON_False 0
#define cJSON_True 1 #define cJSON_True 1
#define cJSON_NULL 2 #define cJSON_NULL 2
@@ -36,83 +36,87 @@ extern "C"
#define cJSON_String 4 #define cJSON_String 4
#define cJSON_Array 5 #define cJSON_Array 5
#define cJSON_Object 6 #define cJSON_Object 6
#define cJSON_IsReference 256 #define cJSON_IsReference 256
/* The cJSON structure: */ /* The cJSON structure: */
typedef struct cJSON { typedef struct cJSON {
struct cJSON *next,*prev; /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */ 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. */ 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. */ int type; /* The type of the item, as above. */
char *valuestring; /* The item's string, if type==cJSON_String */ char* valuestring; /* The item's string, if type==cJSON_String */
int valueint; /* The item's number, if type==cJSON_Number */ int valueint; /* The item's number, if type==cJSON_Number */
double valuedouble; /* 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. */ char* string; /* The item's name string, if this item is the child of, or is in the list of subitems of an object. */
} cJSON; } cJSON;
typedef struct cJSON_Hooks { typedef struct cJSON_Hooks {
void *(*malloc_fn)(size_t sz); void* (*malloc_fn)(size_t sz);
void (*free_fn)(void *ptr); void (*free_fn)(void* ptr);
} cJSON_Hooks; } cJSON_Hooks;
/* Supply malloc, realloc and free functions to cJSON */ /* Supply malloc, realloc and free functions to cJSON */
extern void cJSON_InitHooks(cJSON_Hooks* hooks); extern void cJSON_InitHooks(cJSON_Hooks* hooks);
/* Supply a block of JSON, and this returns a cJSON object you can interrogate. Call cJSON_Delete when finished. */ /* Supply a block of JSON, and this returns a cJSON object you can interrogate. Call cJSON_Delete when finished. */
extern cJSON *cJSON_Parse(const char *value); extern cJSON* cJSON_Parse(const char* value);
/* Render a cJSON entity to text for transfer/storage. Free the char* when finished. */ /* Render a cJSON entity to text for transfer/storage. Free the char* when finished. */
extern char *cJSON_Print(cJSON *item); extern char* cJSON_Print(cJSON* item);
/* Render a cJSON entity to text for transfer/storage without any formatting. Free the char* when finished. */ /* Render a cJSON entity to text for transfer/storage without any formatting. Free the char* when finished. */
extern char *cJSON_PrintUnformatted(cJSON *item); extern char* cJSON_PrintUnformatted(cJSON* item);
/* Delete a cJSON entity and all subentities. */ /* Delete a cJSON entity and all subentities. */
extern void cJSON_Delete(cJSON *c); extern void cJSON_Delete(cJSON* c);
/* Returns the number of items in an array (or object). */ /* Returns the number of items in an array (or object). */
extern int cJSON_GetArraySize(cJSON *array); extern int cJSON_GetArraySize(cJSON* array);
/* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */ /* 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. */ /* Get item "string" from object. Case insensitive. */
extern cJSON *cJSON_GetObjectItem(cJSON *object,const char *string); extern cJSON* cJSON_GetObjectItem(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. */ /* 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(); extern const char* cJSON_GetErrorPtr();
/* These calls create a cJSON item of the appropriate type. */
extern cJSON *cJSON_CreateNull();
extern cJSON *cJSON_CreateTrue();
extern cJSON *cJSON_CreateFalse();
extern cJSON *cJSON_CreateBool(int b);
extern cJSON *cJSON_CreateNumber(double num);
extern cJSON *cJSON_CreateString(const char *string);
extern cJSON *cJSON_CreateArray();
extern cJSON *cJSON_CreateObject();
/* These utilities create an Array of count items. */ /* These calls create a cJSON item of the appropriate type. */
extern cJSON *cJSON_CreateIntArray(int *numbers,int count); extern cJSON* cJSON_CreateNull();
extern cJSON *cJSON_CreateFloatArray(float *numbers,int count); extern cJSON* cJSON_CreateTrue();
extern cJSON *cJSON_CreateDoubleArray(double *numbers,int count); extern cJSON* cJSON_CreateFalse();
extern cJSON *cJSON_CreateStringArray(const char **strings,int count); extern cJSON* cJSON_CreateBool(int b);
extern cJSON* cJSON_CreateNumber(double num);
extern cJSON* cJSON_CreateString(const char* string);
extern cJSON* cJSON_CreateArray();
extern cJSON* cJSON_CreateObject();
/* Append item to the specified array/object. */ /* These utilities create an Array of count items. */
extern void cJSON_AddItemToArray(cJSON *array, cJSON *item); extern cJSON* cJSON_CreateIntArray(int* numbers, int count);
extern void cJSON_AddItemToObject(cJSON *object,const char *string,cJSON *item); extern cJSON* cJSON_CreateFloatArray(float* numbers, int count);
/* 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 cJSON* cJSON_CreateDoubleArray(double* numbers, int count);
extern void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item); extern cJSON* cJSON_CreateStringArray(const char** strings, int count);
extern void cJSON_AddItemReferenceToObject(cJSON *object,const char *string,cJSON *item);
/* Remove/Detatch items from Arrays/Objects. */ /* Append item to the specified array/object. */
extern cJSON *cJSON_DetachItemFromArray(cJSON *array,int which); extern void cJSON_AddItemToArray(cJSON* array, cJSON* item);
extern void cJSON_DeleteItemFromArray(cJSON *array,int which); extern void cJSON_AddItemToObject(cJSON* object, const char* string, cJSON* item);
extern cJSON *cJSON_DetachItemFromObject(cJSON *object,const char *string); /* 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_DeleteItemFromObject(cJSON *object,const char *string); extern void cJSON_AddItemReferenceToArray(cJSON* array, cJSON* item);
extern void cJSON_AddItemReferenceToObject(cJSON* object, const char* string, cJSON* item);
/* Update array items. */
extern void cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem); /* Remove/Detatch items from Arrays/Objects. */
extern void cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem); 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_ReplaceItemInArray(cJSON* array, int which, cJSON* newitem);
extern void cJSON_ReplaceItemInObject(cJSON* object, const char* string, cJSON* newitem);
/*created by huxy*/
extern cJSON* cJSON_FindItemInObject(cJSON* object, const char* string);
extern cJSON* cJSON_FindItemInArray(cJSON* array, int which);
#define cJSON_AddNullToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateNull()) #define cJSON_AddNullToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateNull())
#define cJSON_AddTrueToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateTrue()) #define cJSON_AddTrueToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateTrue())

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src/json/jsonobject.cpp Normal file
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#include "jsonobject.h"
#include <fstream>
#include <sstream>
#include <QDateTime>
#include <vector>
#include <QTranslator>
#include <QDebug>
#include <QApplication>
const char* strProductFileName = "./cfgs/usct-product.json";
JsonObject::JsonObject()
{
loadcfg();
}
JsonObject::~JsonObject()
{
savecfg();
}
void JsonObject::setJsonString(const char* catergory, const char* stringName, const char* stringValue)
{
if (!loadcfg())
return;
cJSON* first = cJSON_FindItemInObject(json_root, catergory);
if (!first) return;
cJSON* Item = cJSON_CreateString(stringValue);
cJSON_ReplaceItemInObject(first, stringName, Item);
savecfg();
}
char* JsonObject::getJsonString(const char* catergory, const char* stringName)
{
if (!loadcfg())
return "";
cJSON* first = cJSON_FindItemInObject(json_root, catergory);
if (!first) return "";
cJSON* second = cJSON_FindItemInObject(first, stringName);
return second->valuestring;
}
QStringList JsonObject::protocals()
{
if (!loadcfg())
return QStringList();
cJSON* first = cJSON_FindItemInObject(json_root, "protocol");
if (!first) return QStringList();
cJSON* second = cJSON_FindItemInObject(first, "lists");
std::string lans = second->valuestring;
QString str = QString::fromLocal8Bit(QByteArray::fromRawData(lans.c_str(), lans.size()));
return str.split(";");
}
QString JsonObject::defaultProtocal()
{
char* str = getJsonString("protocol", "default");
return QString(str);
}
void JsonObject::setDefaultProtocal(QString str)
{
setJsonString("protocol", "default", str.toStdString().c_str());
}
QString JsonObject::defaultFilter()
{
char* str = getJsonString("worklistfilter", "default");
return QString(str);
}
void JsonObject::setDefaultFilter(QString str)
{
setJsonString("worklistfilter", "default", str.toStdString().c_str());
}
QStringList JsonObject::worklistFilters()
{
if (!loadcfg())
return QStringList();
cJSON* first = cJSON_FindItemInObject(json_root, "worklistfilter");
if (!first) return QStringList();
cJSON* second = cJSON_FindItemInObject(first, "lists");
std::string lans = second->valuestring;
QString str = QString::fromLocal8Bit(QByteArray::fromRawData(lans.c_str(), lans.size()));
return str.split(";");
}
QStringList JsonObject::language()
{
if (!loadcfg())
return QStringList();
cJSON* first = cJSON_FindItemInObject(json_root, "general");
if (!first) return QStringList();
cJSON* second = cJSON_FindItemInObject(first, "language");
std::string lans = second->valuestring;
QString str = QString::fromLocal8Bit(QByteArray::fromRawData(lans.c_str(), lans.size()));
return str.split(";");
}
void JsonObject::setDefaultLanguage(QString str)
{
setJsonString("general", "defaultlanguage", str.toStdString().c_str());
}
QString JsonObject::defaultLanguage()
{
char* str = getJsonString("general", "defaultlanguage");
return QString(str);
}
QString JsonObject::institutionName()
{
char* str = getJsonString("general", "institutionName");
return QString(str);
}
void JsonObject::setInstitutionName(QString str)
{
setJsonString("general", "institutionName", str.toStdString().c_str());
}
QString JsonObject::institutionAddr()
{
char* str = getJsonString("general", "institutionAddr");
return QString(str);
}
void JsonObject::setInstitutionAddr(QString str)
{
setJsonString("general", "institutionAddr", str.toStdString().c_str());
}
int JsonObject::lockerCount()
{
char* str = getJsonString("general", "lockscreen");
int interval = QString(str).toInt() * 1000;
return interval;
}
QString JsonObject::lockScreenTimeout()
{
char* str = getJsonString("general", "lockscreen");
return QString(str);
}
void JsonObject::setLockScreenTimeout(QString str)
{
setJsonString("general", "lockscreen", str.toStdString().c_str());
}
bool JsonObject::loadcfg()
{
if (m_bLoaded)
return true;
std::ifstream inFile(strProductFileName);
if (!inFile.is_open())
{
return -1;
}
std::stringstream ss;
ss << inFile.rdbuf();
std::string strJsonData = ss.str();
json_root = cJSON_Parse(strJsonData.c_str());
//modify somthing
//QJsonValueRef ref = m_JsonRootObject.find("general").value();
//QJsonObject obj = ref.toObject();
//obj["language"] = language;
//cJSON* parent = cJSON_FindItemInObject(json_root, "waitinglist");
//if (parent)
//{
// //const char* newtime = QDateTime::currentDateTime().toString("yyyyMMdd").toStdString().c_str();
// cJSON* Item = cJSON_CreateString(QDateTime::currentDateTime().toString("yyyy-MM-dd").toStdString().c_str());
// cJSON_ReplaceItemInObject(parent, "waitinglistDefaultDate", Item);
//}
//cJSON* parent = cJSON_FindItemInObject(json_root, "pacsservers");
//if (parent)
//{
// cJSON* p2 = cJSON_FindItemInArray(parent, 1);
// cJSON* Item = cJSON_CreateString("KISS");
// //const char* newtime = QDateTime::currentDateTime().toString("yyyyMMdd").toStdString().c_str();
// cJSON_ReplaceItemInObject(p2, "ae", Item);
//}
inFile.close();
m_bLoaded = true;
return true;
}
bool JsonObject::savecfg()
{
if (!m_bLoaded)
return false;
std::ofstream outFile(strProductFileName);
if (!outFile.is_open())
{
return -1;
}
char* strJsonData = cJSON_Print(json_root);
std::stringstream ss;
ss << strJsonData;
outFile << ss.rdbuf();
outFile.close();
m_bLoaded = false;
return true;
}

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#ifndef JSONOBJECT_H
#define JSONOBJECT_H
//#include <QObject>
#include "json/cJSON.h"
class QString;
class QStringList;
class QTranslator;
//#define setJsonString(catergory,stringName,stringValue)\
// if (!loadcfg())\
// return;\
// cJSON* first = cJSON_FindItemInObject(json_root, #catergory);\
// if (first){\
// cJSON* Item = cJSON_CreateString(#stringValue);\
// cJSON_ReplaceItemInObject(first, #stringName, Item);\
// }\
// savecfg();
class JsonObject
{
public:
static JsonObject* Instance()
{
static JsonObject obj;
return &obj;
}
QStringList language();
void setDefaultLanguage(QString str);
QString defaultLanguage();
QString institutionName();
void setInstitutionName(QString str);
QString institutionAddr();
void setInstitutionAddr(QString str);
int lockerCount();
QString lockScreenTimeout();
void setLockScreenTimeout(QString str);
QStringList protocals();
QString defaultProtocal();
void setDefaultProtocal(QString str);
QStringList worklistFilters();
QString defaultFilter();
void setDefaultFilter(QString str);
private:
void setJsonString(const char* catergory, const char* stringName, const char* stringValue);
char* getJsonString(const char* catergory, const char* stringName);
bool loadcfg();
bool savecfg();
JsonObject();
~JsonObject();
cJSON* json_root = nullptr;
bool m_bLoaded = false;
int counter;
};
#endif // JSONOBJECT_H