wordreference/libjson/_internal/Source/JSONNode.cpp

356 lines
11 KiB
C++

#include "JSONNode.h"
#define IMPLEMENT_CTOR(type)\
JSONNode::JSONNode(const json_string & name_t, type value_t) json_nothrow : internal(internalJSONNode::newInternal()){\
internal -> Set(value_t);\
internal -> setname(name_t);\
LIBJSON_CTOR;\
}
IMPLEMENT_FOR_ALL_TYPES(IMPLEMENT_CTOR)
#ifndef JSON_LIBRARY
JSONNode::JSONNode(const json_string & name_t, const json_char * value_t) json_nothrow : internal(internalJSONNode::newInternal()){
internal -> Set(json_string(value_t));
internal -> setname(name_t);
LIBJSON_CTOR;
}
#endif
#if (defined(JSON_PREPARSE) && defined(JSON_READ_PRIORITY))
#include "JSONWorker.h"
JSONNode JSONNode::stringType(const json_string & str){
JSONNode res;
res.set_name(json_global(EMPTY_JSON_STRING));
#ifdef JSON_LESS_MEMORY
res = JSONWorker::FixString(str, res.internal, false);
#else
res = JSONWorker::FixString(str, res.internal -> _string_encoded);
#endif
return res;
}
void JSONNode::set_name_(const json_string & newname) json_nothrow {
#ifdef JSON_LESS_MEMORY
json_string _newname = JSONWorker::FixString(newname, internal, true);
#else
json_string _newname = JSONWorker::FixString(newname, internal -> _name_encoded);
#endif
set_name(_newname);
}
#endif
#ifdef JSON_CASTABLE
JSONNode JSONNode::as_node(void) const json_nothrow {
JSON_CHECK_INTERNAL();
if (type() == JSON_NODE){
return *this;
} else if (type() == JSON_ARRAY){
JSONNode res(duplicate());
res.internal -> _type = JSON_NODE;
return res;
}
#ifdef JSON_MUTEX_CALLBACKS
if (internal -> mylock != 0){
JSONNode res(JSON_NODE);
res.set_mutex(internal -> mylock);
return res;
}
#endif
return JSONNode(JSON_NODE);
}
JSONNode JSONNode::as_array(void) const json_nothrow {
JSON_CHECK_INTERNAL();
if (type() == JSON_ARRAY){
return *this;
} else if (type() == JSON_NODE){
JSONNode res(duplicate());
res.internal -> _type = JSON_ARRAY;
json_foreach(res.internal -> CHILDREN, runner){
(*runner) -> clear_name();
}
return res;
}
#ifdef JSON_MUTEX_CALLBACKS
if (internal -> mylock != 0){
JSONNode res(JSON_ARRAY);
res.set_mutex(internal -> mylock);
return res;
}
#endif
return JSONNode(JSON_ARRAY);
}
void JSONNode::cast(char newtype) json_nothrow {
JSON_CHECK_INTERNAL();
if (newtype == type()) return;
switch(newtype){
case JSON_NULL:
nullify();
return;
case JSON_STRING:
*this = as_string();
return;
case JSON_NUMBER:
*this = as_float();
return;
case JSON_BOOL:
*this = as_bool();
return;
case JSON_ARRAY:
*this = as_array();
return;
case JSON_NODE:
*this = as_node();
return;
}
JSON_FAIL(JSON_TEXT("cast to unknown type"));
}
#endif
//different just to supress the warning
#ifdef JSON_REF_COUNT
void JSONNode::merge(JSONNode & other) json_nothrow {
#else
void JSONNode::merge(JSONNode &) json_nothrow {
#endif
JSON_CHECK_INTERNAL();
#ifdef JSON_REF_COUNT
if (internal == other.internal) return;
JSON_ASSERT(*this == other, JSON_TEXT("merging two nodes that aren't equal"));
if (internal -> refcount < other.internal -> refcount){
*this = other;
} else {
other = *this;
}
#endif
}
#ifdef JSON_REF_COUNT
void JSONNode::merge(JSONNode * other) json_nothrow {
JSON_CHECK_INTERNAL();
if (internal == other -> internal) return;
*other = *this;
}
//different just to supress the warning
void JSONNode::merge(unsigned int num, ...) json_nothrow {
#else
void JSONNode::merge(unsigned int, ...) json_nothrow {
#endif
JSON_CHECK_INTERNAL();
#ifdef JSON_REF_COUNT
va_list args;
va_start(args, num);
for(unsigned int i = 0; i < num; ++i){
merge(va_arg(args, JSONNode*));
}
va_end(args);
#endif
}
JSONNode JSONNode::duplicate(void) const json_nothrow {
JSON_CHECK_INTERNAL();
JSONNode mycopy(*this);
#ifdef JSON_REF_COUNT
JSON_ASSERT(internal == mycopy.internal, JSON_TEXT("copy ctor failed to ref count correctly"));
mycopy.makeUniqueInternal();
#endif
JSON_ASSERT(internal != mycopy.internal, JSON_TEXT("makeUniqueInternal failed"));
return mycopy;
}
JSONNode & JSONNode::at(json_index_t pos) json_throws(std::out_of_range) {
JSON_CHECK_INTERNAL();
if (json_unlikely(pos >= internal -> size())){
JSON_FAIL(JSON_TEXT("at() out of bounds"));
json_throw(std::out_of_range(json_global(EMPTY_STD_STRING)));
}
return (*this)[pos];
}
const JSONNode & JSONNode::at(json_index_t pos) const json_throws(std::out_of_range) {
JSON_CHECK_INTERNAL();
if (json_unlikely(pos >= internal -> size())){
JSON_FAIL(JSON_TEXT("at() const out of bounds"));
json_throw(std::out_of_range(json_global(EMPTY_STD_STRING)));
}
return (*this)[pos];
}
JSONNode & JSONNode::operator[](json_index_t pos) json_nothrow {
JSON_CHECK_INTERNAL();
JSON_ASSERT(pos < internal -> size(), JSON_TEXT("[] out of bounds"));
makeUniqueInternal();
return *(internal -> at(pos));
}
const JSONNode & JSONNode::operator[](json_index_t pos) const json_nothrow {
JSON_CHECK_INTERNAL();
JSON_ASSERT(pos < internal -> size(), JSON_TEXT("[] const out of bounds"));
return *(internal -> at(pos));
}
JSONNode & JSONNode::at(const json_string & name_t) json_throws(std::out_of_range) {
JSON_CHECK_INTERNAL();
JSON_ASSERT(type() == JSON_NODE, json_global(ERROR_NON_ITERATABLE) + JSON_TEXT("at"));
makeUniqueInternal();
if (JSONNode ** res = internal -> at(name_t)){
return *(*res);
}
JSON_FAIL(json_string(JSON_TEXT("at could not find child by name: ")) + name_t);
json_throw(std::out_of_range(json_global(EMPTY_STD_STRING)));
}
const JSONNode & JSONNode::at(const json_string & name_t) const json_throws(std::out_of_range) {
JSON_CHECK_INTERNAL();
JSON_ASSERT(type() == JSON_NODE, json_global(ERROR_NON_ITERATABLE) + JSON_TEXT("at"));
if (JSONNode ** res = internal -> at(name_t)){
return *(*res);
}
JSON_FAIL(json_string(JSON_TEXT("at const could not find child by name: ")) + name_t);
json_throw(std::out_of_range(json_global(EMPTY_STD_STRING)));
}
#ifdef JSON_CASE_INSENSITIVE_FUNCTIONS
JSONNode & JSONNode::at_nocase(const json_string & name_t) json_throws(std::out_of_range) {
JSON_CHECK_INTERNAL();
JSON_ASSERT(type() == JSON_NODE, json_global(ERROR_NON_ITERATABLE) + JSON_TEXT("at_nocase"));
makeUniqueInternal();
if (JSONNode ** res = internal -> at_nocase(name_t)){
return *(*res);
}
JSON_FAIL(json_string(JSON_TEXT("at_nocase could not find child by name: ")) + name_t);
json_throw(std::out_of_range(json_global(EMPTY_STD_STRING)));
}
const JSONNode & JSONNode::at_nocase(const json_string & name_t) const json_throws(std::out_of_range) {
JSON_CHECK_INTERNAL();
JSON_ASSERT(type() == JSON_NODE, json_global(ERROR_NON_ITERATABLE) + JSON_TEXT("at_nocase"));
if (JSONNode ** res = internal -> at_nocase(name_t)){
return *(*res);
}
JSON_FAIL(json_string(JSON_TEXT("at_nocase const could not find child by name: ")) + name_t);
json_throw(std::out_of_range(json_global(EMPTY_STD_STRING)));
}
#endif
#ifndef JSON_LIBRARY
struct auto_delete {
public:
auto_delete(JSONNode * node) json_nothrow : mynode(node){};
~auto_delete(void) json_nothrow { JSONNode::deleteJSONNode(mynode); };
JSONNode * mynode;
private:
auto_delete(const auto_delete &);
auto_delete & operator = (const auto_delete &);
};
#endif
JSONNode JSON_PTR_LIB JSONNode::pop_back(json_index_t pos) json_throws(std::out_of_range) {
JSON_CHECK_INTERNAL();
if (json_unlikely(pos >= internal -> size())){
JSON_FAIL(JSON_TEXT("pop_back out of bounds"));
json_throw(std::out_of_range(json_global(EMPTY_STD_STRING)));
}
makeUniqueInternal();
#ifdef JSON_LIBRARY
return internal -> pop_back(pos);
#else
auto_delete temp(internal -> pop_back(pos));
return *temp.mynode;
#endif
}
JSONNode JSON_PTR_LIB JSONNode::pop_back(const json_string & name_t) json_throws(std::out_of_range) {
JSON_CHECK_INTERNAL();
JSON_ASSERT(type() == JSON_NODE, json_global(ERROR_NON_ITERATABLE) + JSON_TEXT("pop_back"));
#ifdef JSON_LIBRARY
return internal -> pop_back(name_t);
#else
if (JSONNode * res = internal -> pop_back(name_t)){
auto_delete temp(res);
return *(temp.mynode);
}
JSON_FAIL(json_string(JSON_TEXT("pop_back const could not find child by name: ")) + name_t);
json_throw(std::out_of_range(json_global(EMPTY_STD_STRING)));
#endif
}
#ifdef JSON_CASE_INSENSITIVE_FUNCTIONS
JSONNode JSON_PTR_LIB JSONNode::pop_back_nocase(const json_string & name_t) json_throws(std::out_of_range) {
JSON_CHECK_INTERNAL();
JSON_ASSERT(type() == JSON_NODE, json_global(ERROR_NON_ITERATABLE) + JSON_TEXT("pop_back_no_case"));
#ifdef JSON_LIBRARY
return internal -> pop_back_nocase(name_t);
#else
if (JSONNode * res = internal -> pop_back_nocase(name_t)){
auto_delete temp(res);
return *(temp.mynode);
}
JSON_FAIL(json_string(JSON_TEXT("pop_back_nocase could not find child by name: ")) + name_t);
json_throw(std::out_of_range(json_global(EMPTY_STD_STRING)));
#endif
}
#endif
#ifdef JSON_MEMORY_POOL
#include "JSONMemoryPool.h"
memory_pool<NODEPOOL> json_node_mempool;
#endif
void JSONNode::deleteJSONNode(JSONNode * ptr) json_nothrow {
#ifdef JSON_MEMORY_POOL
ptr -> ~JSONNode();
json_node_mempool.deallocate((void*)ptr);
#elif defined(JSON_MEMORY_CALLBACKS)
ptr -> ~JSONNode();
libjson_free<JSONNode>(ptr);
#else
delete ptr;
#endif
}
inline JSONNode * _newJSONNode(const JSONNode & orig) {
#ifdef JSON_MEMORY_POOL
return new((JSONNode*)json_node_mempool.allocate()) JSONNode(orig);
#elif defined(JSON_MEMORY_CALLBACKS)
return new(json_malloc<JSONNode>(1)) JSONNode(orig);
#else
return new JSONNode(orig);
#endif
}
JSONNode * JSONNode::newJSONNode(const JSONNode & orig JSON_MUTEX_COPY_DECL) {
#ifdef JSON_MUTEX_CALLBACKS
if (parentMutex != 0){
JSONNode * temp = _newJSONNode(orig);
temp -> set_mutex(parentMutex);
return temp;
}
#endif
return _newJSONNode(orig);
}
JSONNode * JSONNode::newJSONNode(internalJSONNode * internal_t) {
#ifdef JSON_MEMORY_POOL
return new((JSONNode*)json_node_mempool.allocate()) JSONNode(internal_t);
#elif defined(JSON_MEMORY_CALLBACKS)
return new(json_malloc<JSONNode>(1)) JSONNode(internal_t);
#else
return new JSONNode(internal_t);
#endif
}
JSONNode * JSONNode::newJSONNode_Shallow(const JSONNode & orig) {
#ifdef JSON_MEMORY_POOL
return new((JSONNode*)json_node_mempool.allocate()) JSONNode(true, const_cast<JSONNode &>(orig));
#elif defined(JSON_MEMORY_CALLBACKS)
return new(json_malloc<JSONNode>(1)) JSONNode(true, const_cast<JSONNode &>(orig));
#else
return new JSONNode(true, const_cast<JSONNode &>(orig));
#endif
}