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ripley |
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#include "JSONMemory.h"
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#ifdef JSON_MEMORY_MANAGE
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#include "JSONNode.h"
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void auto_expand::purge(void) json_nothrow {
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for(JSON_MAP(void *, void *)::iterator i = mymap.begin(), en = mymap.end(); i != en; ++i){
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#if defined(JSON_DEBUG) || defined(JSON_SAFE)
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void * temp = (void*)i -> first; //because its pass by reference
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libjson_free<void>(temp);
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#else
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libjson_free<void>((void*)i -> first);
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#endif
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}
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}
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void auto_expand_node::purge(void) json_nothrow {
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for(JSON_MAP(void *, JSONNode *)::iterator i = mymap.begin(), en = mymap.end(); i != en; ++i){
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JSONNode::deleteJSONNode((JSONNode *)i -> second);
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}
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}
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#ifdef JSON_STREAM
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#include "JSONStream.h"
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void auto_expand_stream::purge(void) json_nothrow {
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for(JSON_MAP(void *, JSONStream *)::iterator i = mymap.begin(), en = mymap.end(); i != en; ++i){
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JSONStream::deleteJSONStream((JSONStream *)i -> second);
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}
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}
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#endif
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#endif
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#if defined(JSON_MEMORY_CALLBACKS) || defined(JSON_MEMORY_POOL)
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#ifdef JSON_MEMORY_POOL
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#include "JSONMemoryPool.h"
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static bucket_pool_8<MEMPOOL_1, MEMPOOL_2, MEMPOOL_3, MEMPOOL_4, MEMPOOL_5, MEMPOOL_6, MEMPOOL_7, MEMPOOL_8> json_generic_mempool;
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//This class is only meant to initiate the mempool to start out using std::malloc/realloc/free
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class mempool_callback_setter {
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public:
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LIBJSON_OBJECT(mempool_callback_setter);
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inline mempool_callback_setter(void) json_nothrow {
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` LIBJSON_CTOR;
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mempool_callbacks::set(std::malloc, std::realloc, std::free);
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}
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private:
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inline mempool_callback_setter(const mempool_callback_setter & o);
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inline mempool_callback_setter & operator = (const mempool_callback_setter & o);
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};
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static mempool_callback_setter __mempoolcallbacksetter;
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#endif
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#include "JSONSingleton.h"
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void * JSONMemory::json_malloc(size_t siz) json_nothrow {
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#ifdef JSON_MEMORY_POOL
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return json_generic_mempool.allocate(siz);
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#else
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if (json_malloc_t callback = JSONSingleton<json_malloc_t>::get()){
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#if(defined(JSON_DEBUG) && (!defined(JSON_MEMORY_CALLBACKS))) //in debug mode without mem callback, see if the malloc was successful
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void * result = callback(siz);
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JSON_ASSERT(result, JSON_TEXT("Out of memory"));
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return result;
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#else
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return callback(siz);
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#endif
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}
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#if(defined(JSON_DEBUG) && (!defined(JSON_MEMORY_CALLBACKS))) //in debug mode without mem callback, see if the malloc was successful
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void * result = std::malloc(siz);
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JSON_ASSERT(result, JSON_TEXT("Out of memory"));
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return result;
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#else
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return std::malloc(siz);
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#endif
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#endif
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}
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void JSONMemory::json_free(void * ptr) json_nothrow {
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#ifdef JSON_MEMORY_POOL
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json_generic_mempool.deallocate(ptr);
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#else
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if (json_free_t callback = JSONSingleton<json_free_t>::get()){
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callback(ptr);
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} else {
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std::free(ptr);
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}
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#endif
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}
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void * JSONMemory::json_realloc(void * ptr, size_t siz) json_nothrow {
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#ifdef JSON_MEMORY_POOL
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return json_generic_mempool.reallocate(ptr, siz);
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#else
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if (json_realloc_t callback = JSONSingleton<json_realloc_t>::get()){
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#if(defined(JSON_DEBUG) && (!defined(JSON_MEMORY_CALLBACKS))) //in debug mode without mem callback, see if the malloc was successful
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void * result = callback(ptr, siz);
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JSON_ASSERT(result, JSON_TEXT("Out of memory"));
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return result;
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#else
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return callback(ptr, siz);
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#endif
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}
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#if(defined(JSON_DEBUG) && (!defined(JSON_MEMORY_CALLBACKS))) //in debug mode without mem callback, see if the malloc was successful
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void * result = std::realloc(ptr, siz);
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JSON_ASSERT(result, JSON_TEXT("Out of memory"));
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return result;
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#else
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return std::realloc(ptr, siz);
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#endif
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#endif
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}
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#ifdef JSON_MEMORY_POOL
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//it is okay to pass null to these callbacks, no make sure they function exists
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static void * malloc_proxy(size_t siz) json_nothrow {
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if (json_malloc_t callback = JSONSingleton<json_malloc_t>::get()){
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return callback(siz);
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}
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return std::malloc(siz);
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}
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static void * realloc_proxy(void * ptr, size_t siz) json_nothrow {
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if (json_realloc_t callback = JSONSingleton<json_realloc_t>::get()){
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return callback(ptr, siz);
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}
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return std::realloc(ptr, siz);
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}
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static void free_proxy(void * ptr){
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if (json_free_t callback = JSONSingleton<json_free_t>::get()){
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callback(ptr);
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} else {
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std::free(ptr);
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}
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}
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#endif
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void JSONMemory::registerMemoryCallbacks(json_malloc_t mal, json_realloc_t real, json_free_t fre) json_nothrow {
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JSONSingleton<json_malloc_t>::set(mal);
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JSONSingleton<json_realloc_t>::set(real);
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JSONSingleton<json_free_t>::set(fre);
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#ifdef JSON_MEMORY_POOL
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mempool_callbacks::set(malloc_proxy, realloc_proxy, free_proxy);
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#endif
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}
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#endif
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