Add support for raw JSON

CONTRIBUTORS.md

@@ -14,6 +14,7 @@ Contributors
 * Ian Mobley
 * Irwan Djadjadi
 * [IvanVoid](https://github.com/npi3pak)
+* [Jiri Zouhar](https://github.com/loigu)
 * [Jonathan Fether](https://github.com/jfether)
 * [Kevin Branigan](https://github.com/kbranigan)
 * [Kyle Chisholm](https://github.com/ChisholmKyle)

cJSON.c

@@ -88,6 +88,11 @@ static char* cJSON_strdup(const char* str)
     size_t len = 0;
     char *copy = NULL;
 
+    if (str == NULL)
+    {
+        return NULL;
+    }
+
     len = strlen(str) + 1;
     if (!(copy = (char*)cJSON_malloc(len)))
     {
@@ -989,6 +994,27 @@ static char *print_value(const cJSON *item, int depth, cjbool fmt, printbuffer *
             case cJSON_Number:
                 out = print_number(item, p);
                 break;
+            case cJSON_Raw:
+            {
+                size_t raw_length = 0;
+                if (item->valuestring == NULL)
+                {
+                    if (!p->noalloc)
+                    {
+                        cJSON_free(p->buffer);
+                    }
+                    out = NULL;
+                    break;
+                }
+
+                raw_length = strlen(item->valuestring) + sizeof('\0');
+                out = ensure(p, raw_length);
+                if (out)
+                {
+                    memcpy(out, item->valuestring, raw_length);
+                }
+                break;
+            }
             case cJSON_String:
                 out = print_string(item, p);
                 break;
@@ -1016,6 +1042,9 @@ static char *print_value(const cJSON *item, int depth, cjbool fmt, printbuffer *
             case cJSON_Number:
                 out = print_number(item, 0);
                 break;
+            case cJSON_Raw:
+                out = cJSON_strdup(item->valuestring);
+                break;
             case cJSON_String:
                 out = print_string(item, 0);
                 break;
@@ -1988,6 +2017,23 @@ cJSON *cJSON_CreateString(const char *string)
     return item;
 }
 
+extern cJSON *cJSON_CreateRaw(const char *raw)
+{
+    cJSON *item = cJSON_New_Item();
+    if(item)
+    {
+        item->type = cJSON_Raw;
+        item->valuestring = cJSON_strdup(raw);
+        if(!item->valuestring)
+        {
+            cJSON_Delete(item);
+            return NULL;
+        }
+    }
+
+    return item;
+}
+
 cJSON *cJSON_CreateArray(void)
 {
     cJSON *item = cJSON_New_Item();

cJSON.h

@@ -38,6 +38,7 @@ extern "C"
 #define cJSON_String (1 << 4)
 #define cJSON_Array  (1 << 5)
 #define cJSON_Object (1 << 6)
+#define cJSON_Raw    (1 << 7) /* raw json */
 
 #define cJSON_IsReference 256
 #define cJSON_StringIsConst 512
@@ -54,7 +55,7 @@ typedef struct cJSON
     /* The type of the item, as above. */
     int type;
 
-    /* The item's string, if type==cJSON_String */
+    /* The item's string, if type==cJSON_String  and type == cJSON_Raw */
     char *valuestring;
     /* The item's number, if type==cJSON_Number */
     int valueint;
@@ -105,6 +106,8 @@ extern cJSON *cJSON_CreateFalse(void);
 extern cJSON *cJSON_CreateBool(int b);
 extern cJSON *cJSON_CreateNumber(double num);
 extern cJSON *cJSON_CreateString(const char *string);
+/* raw json */
+extern cJSON *cJSON_CreateRaw(const char *raw);
 extern cJSON *cJSON_CreateArray(void);
 extern cJSON *cJSON_CreateObject(void);
 
@@ -155,6 +158,7 @@ extern void cJSON_Minify(char *json);
 #define cJSON_AddBoolToObject(object,name,b) cJSON_AddItemToObject(object, name, cJSON_CreateBool(b))
 #define cJSON_AddNumberToObject(object,name,n) cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n))
 #define cJSON_AddStringToObject(object,name,s) cJSON_AddItemToObject(object, name, cJSON_CreateString(s))
+#define cJSON_AddRawToObject(object,name,s) cJSON_AddItemToObject(object, name, cJSON_CreateRaw(s))
 
 /* When assigning an integer value, it needs to be propagated to valuedouble too. */
 #define cJSON_SetIntValue(object,val) ((object) ? (object)->valueint = (object)->valuedouble = (val) : (val))