start of JSON Patch implementation. cJSON gained a cJSON_InsertItemToArray which pushes elements up by one.

This is needed for JSON Patch. Everything but Test is implemented for ApplyPatches.


git-svn-id: svn://svn.code.sf.net/p/cjson/code@65 e3330c51-1366-4df0-8b21-3ccf24e3d50e
This commit is contained in:
Dave Gamble
2015-02-10 14:17:59 +00:00
parent 858671cc7f
commit 3c6b3cc617
5 changed files with 158 additions and 3 deletions

View File

@ -691,6 +691,8 @@ cJSON *cJSON_DetachItemFromObject(cJSON *object,const char *string) {int i=0;cJS
void cJSON_DeleteItemFromObject(cJSON *object,const char *string) {cJSON_Delete(cJSON_DetachItemFromObject(object,string));}
/* Replace array/object items with new ones. */
void cJSON_InsertItemInArray(cJSON *array,int which,cJSON *newitem) {cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) {cJSON_AddItemToArray(array,newitem);return;}
newitem->next=c;newitem->prev=c->prev;c->prev=newitem;if (c==array->child) array->child=newitem; else newitem->prev->next=newitem;}
void cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem) {cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) return;
newitem->next=c->next;newitem->prev=c->prev;if (newitem->next) newitem->next->prev=newitem;
if (c==array->child) array->child=newitem; else newitem->prev->next=newitem;c->next=c->prev=0;cJSON_Delete(c);}