internalJSONNode.cpp 30 KB

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  1. #include "internalJSONNode.h"
  2. #include "NumberToString.h" //So that I can convert numbers into strings
  3. #include "JSONNode.h" //To fill in the foreward declaration
  4. #include "JSONWorker.h" //For fetching and parsing and such
  5. #include "JSONGlobals.h"
  6. internalJSONNode::internalJSONNode(const internalJSONNode & orig) json_nothrow :
  7. _type(orig._type), _name(orig._name), _name_encoded(orig._name_encoded),
  8. _string(orig._string), _string_encoded(orig._string_encoded), _value(orig._value)
  9. initializeMutex(0)
  10. initializeRefCount(1)
  11. initializeFetch(orig.fetched)
  12. initializeComment(orig._comment)
  13. initializeChildren(0){
  14. LIBJSON_COPY_CTOR;
  15. if (isContainer()){
  16. CHILDREN = jsonChildren::newChildren();
  17. if (json_likely(!orig.CHILDREN -> empty())){
  18. CHILDREN -> reserve(orig.CHILDREN -> size());
  19. json_foreach(orig.CHILDREN, myrunner){
  20. CHILDREN -> push_back(JSONNode::newJSONNode((*myrunner) -> duplicate()));
  21. }
  22. }
  23. }
  24. #ifdef JSON_MUTEX_CALLBACKS /*-> JSON_MUTEX_CALLBACKS */
  25. _set_mutex(orig.mylock, false);
  26. #endif /*<- */
  27. }
  28. #ifdef JSON_PREPARSE /*-> JSON_PREPARSE */
  29. #define SetFetchedFalseOrDo(code) code
  30. #else /*<- else */
  31. #define SetFetchedFalseOrDo(code) SetFetched(false)
  32. #endif /*<- */
  33. //this one is specialized because the root can only be array or node
  34. #ifdef JSON_READ_PRIORITY /*-> JSON_READ_PRIORITY */
  35. internalJSONNode::internalJSONNode(const json_string & unparsed) json_nothrow : _type(), _name(),_name_encoded(false), _string(unparsed), _string_encoded(), _value()
  36. initializeMutex(0)
  37. initializeRefCount(1)
  38. initializeFetch(false)
  39. initializeComment(json_global(EMPTY_JSON_STRING))
  40. initializeChildren(0){
  41. LIBJSON_CTOR;
  42. switch (unparsed[0]){
  43. case JSON_TEXT('{'): //node
  44. _type = JSON_NODE;
  45. CHILDREN = jsonChildren::newChildren();
  46. #ifdef JSON_PREPARSE
  47. FetchNode();
  48. #endif
  49. break;
  50. case JSON_TEXT('['): //array
  51. _type = JSON_ARRAY;
  52. CHILDREN = jsonChildren::newChildren();
  53. #ifdef JSON_PREPARSE
  54. FetchArray();
  55. #endif
  56. break;
  57. default:
  58. JSON_FAIL_SAFE(JSON_TEXT("root not starting with either { or ["), Nullify(););
  59. break;
  60. }
  61. }
  62. #ifndef JSON_STRICT
  63. #define LETTERCASE(x, y)\
  64. case JSON_TEXT(x):\
  65. case JSON_TEXT(y)
  66. #else
  67. #define LETTERCASE(x, y)\
  68. case JSON_TEXT(x)
  69. #endif
  70. internalJSONNode::internalJSONNode(const json_string & name_t, const json_string & value_t) json_nothrow : _type(), _name_encoded(), _name(JSONWorker::FixString(name_t, NAME_ENCODED)), _string(), _string_encoded(), _value()
  71. initializeMutex(0)
  72. initializeRefCount(1)
  73. initializeFetch(false)
  74. initializeComment(json_global(EMPTY_JSON_STRING))
  75. initializeChildren(0){
  76. LIBJSON_CTOR;
  77. #ifdef JSON_STRICT
  78. JSON_ASSERT_SAFE(!value_t.empty(), JSON_TEXT("empty node"), Nullify(); return;);
  79. #else
  80. if (json_unlikely(value_t.empty())){
  81. _type = JSON_NULL;
  82. SetFetched(true);
  83. return;
  84. }
  85. #endif
  86. _string = value_t;
  87. const json_char firstchar = value_t[0];
  88. #if defined JSON_DEBUG || defined JSON_SAFE
  89. const json_char lastchar = value_t[value_t.length() - 1];
  90. #endif
  91. switch (firstchar){
  92. case JSON_TEXT('\"'): //a json_string literal, still escaped and with leading and trailing quotes
  93. JSON_ASSERT_SAFE(lastchar == JSON_TEXT('\"'), JSON_TEXT("Unterminated quote"), Nullify(); return;);
  94. _type = JSON_STRING;
  95. SetFetchedFalseOrDo(FetchString());
  96. break;
  97. case JSON_TEXT('{'): //a child node, or set of children
  98. JSON_ASSERT_SAFE(lastchar == JSON_TEXT('}'), JSON_TEXT("Missing }"), Nullify(); return;);
  99. _type = JSON_NODE;
  100. CHILDREN = jsonChildren::newChildren();
  101. SetFetchedFalseOrDo(FetchNode());
  102. break;
  103. case JSON_TEXT('['): //an array
  104. JSON_ASSERT_SAFE(lastchar == JSON_TEXT(']'), JSON_TEXT("Missing ]"), Nullify(); return;);
  105. _type = JSON_ARRAY;
  106. CHILDREN = jsonChildren::newChildren();
  107. SetFetchedFalseOrDo(FetchArray());
  108. break;
  109. LETTERCASE('t', 'T'):
  110. JSON_ASSERT_SAFE(value_t == json_global(CONST_TRUE), json_string(json_global(ERROR_UNKNOWN_LITERAL) + value_t).c_str(), Nullify(); return;);
  111. _value._bool = true;
  112. _type = JSON_BOOL;
  113. SetFetched(true);
  114. break;
  115. LETTERCASE('f', 'F'):
  116. JSON_ASSERT_SAFE(value_t == json_global(CONST_FALSE), json_string(json_global(ERROR_UNKNOWN_LITERAL) + value_t).c_str(), Nullify(); return;);
  117. _value._bool = false;
  118. _type = JSON_BOOL;
  119. SetFetched(true);
  120. break;
  121. LETTERCASE('n', 'N'):
  122. JSON_ASSERT_SAFE(value_t == json_global(CONST_NULL), json_string(json_global(ERROR_UNKNOWN_LITERAL) + value_t).c_str(), Nullify(); return;);
  123. _type = JSON_NULL;
  124. SetFetched(true);
  125. break;
  126. default:
  127. JSON_ASSERT_SAFE(NumberToString::isNumeric(value_t), json_string(json_global(ERROR_UNKNOWN_LITERAL) + value_t).c_str(), Nullify(); return;);
  128. _type = JSON_NUMBER;
  129. SetFetchedFalseOrDo(FetchNumber());
  130. break;
  131. }
  132. }
  133. #endif /*<- */
  134. internalJSONNode::~internalJSONNode(void) json_nothrow {
  135. LIBJSON_DTOR;
  136. #ifdef JSON_MUTEX_CALLBACKS
  137. _unset_mutex();
  138. #endif /*<- */
  139. DELETE_CHILDREN();
  140. }
  141. #ifdef JSON_READ_PRIORITY
  142. void internalJSONNode::FetchString(void) const json_nothrow {
  143. JSON_ASSERT_SAFE(!_string.empty(), JSON_TEXT("JSON json_string type is empty?"), Nullify(); return;);
  144. JSON_ASSERT_SAFE(_string[0] == JSON_TEXT('\"'), JSON_TEXT("JSON json_string type doesn't start with a quotation?"), Nullify(); return;);
  145. JSON_ASSERT_SAFE(_string[_string.length() - 1] == JSON_TEXT('\"'), JSON_TEXT("JSON json_string type doesn't end with a quotation?"), Nullify(); return;);
  146. _string = JSONWorker::FixString(json_string(_string.begin() + 1, _string.end() - 1), STRING_ENCODED);
  147. #ifdef JSON_LESS_MEMORY
  148. JSON_ASSERT(_string.capacity() == _string.length(), JSON_TEXT("_string object too large 2"));
  149. #endif
  150. }
  151. void internalJSONNode::FetchNode(void) const json_nothrow {
  152. JSON_ASSERT_SAFE(!_string.empty(), JSON_TEXT("JSON node type is empty?"), Nullify(); return;);
  153. JSON_ASSERT_SAFE(_string[0] == JSON_TEXT('{'), JSON_TEXT("JSON node type doesn't start with a bracket?"), Nullify(); return;);
  154. JSON_ASSERT_SAFE(_string[_string.length() - 1] == JSON_TEXT('}'), JSON_TEXT("JSON node type doesn't end with a bracket?"), Nullify(); return;);
  155. JSONWorker::DoNode(this, _string);
  156. clearString(_string);
  157. }
  158. void internalJSONNode::FetchArray(void) const json_nothrow {
  159. JSON_ASSERT_SAFE(!_string.empty(), JSON_TEXT("JSON node type is empty?"), Nullify(); return;);
  160. JSON_ASSERT_SAFE(_string[0] == JSON_TEXT('['), JSON_TEXT("JSON node type doesn't start with a square bracket?"), Nullify(); return;);
  161. JSON_ASSERT_SAFE(_string[_string.length() - 1] == JSON_TEXT(']'), JSON_TEXT("JSON node type doesn't end with a square bracket?"), Nullify(); return;);
  162. JSONWorker::DoArray(this, _string);
  163. clearString(_string);
  164. }
  165. #endif
  166. //This one is used by as_int and as_float, so even non-readers need it
  167. void internalJSONNode::FetchNumber(void) const json_nothrow {
  168. #ifdef JSON_STRICT
  169. _value._number = NumberToString::_atof(_string.c_str());
  170. #else
  171. #ifdef JSON_UNICODE
  172. const size_t len = _string.length();
  173. #if defined(_MSC_VER) && defined(JSON_SAFE)
  174. const size_t bytes = (len * (sizeof(json_char) / sizeof(char))) + 1;
  175. json_auto<char> temp(bytes);
  176. size_t res;
  177. errno_t err = wcstombs_s(&res, temp.ptr, bytes, _string.c_str(), len);
  178. if (err != 0){
  179. _value._number = (json_number)0.0;
  180. return;
  181. }
  182. #elif defined(JSON_SAFE)
  183. const size_t bytes = (len * (sizeof(json_char) / sizeof(char))) + 1;
  184. json_auto<char> temp(bytes);
  185. size_t res = std::wcstombs(temp.ptr, _string.c_str(), len);
  186. if (res == (size_t)-1){
  187. _value._number = (json_number)0.0;
  188. return;
  189. }
  190. #else
  191. json_auto<char> temp(len + 1);
  192. size_t res = std::wcstombs(temp.ptr, _string.c_str(), len);
  193. #endif
  194. temp.ptr[res] = '\0';
  195. _value._number = (json_number)std::atof(temp.ptr);
  196. #else
  197. _value._number = (json_number)std::atof(_string.c_str());
  198. #endif
  199. #endif
  200. #if((!defined(JSON_CASTABLE) && defined(JSON_LESS_MEMORY)) && !defined(JSON_WRITE_PRIORITY))
  201. clearString(_string);
  202. #endif
  203. }
  204. #if !defined(JSON_PREPARSE) && defined(JSON_READ_PRIORITY)
  205. void internalJSONNode::Fetch(void) const json_nothrow {
  206. if (fetched) return;
  207. switch (type()){
  208. case JSON_STRING:
  209. FetchString();
  210. break;
  211. case JSON_NODE:
  212. FetchNode();
  213. break;
  214. case JSON_ARRAY:
  215. FetchArray();
  216. break;
  217. case JSON_NUMBER:
  218. FetchNumber();
  219. break;
  220. #if defined JSON_DEBUG || defined JSON_SAFE
  221. default:
  222. JSON_FAIL(JSON_TEXT("Fetching an unknown type"));
  223. Nullify();
  224. #endif
  225. }
  226. fetched = true;
  227. }
  228. #endif
  229. void internalJSONNode::Set(const json_string & val) json_nothrow {
  230. makeNotContainer();
  231. _type = JSON_STRING;
  232. _string = val;
  233. shrinkString(_string);
  234. _string_encoded = true;
  235. SetFetched(true);
  236. }
  237. #ifdef JSON_LIBRARY
  238. void internalJSONNode::Set(json_int_t val) json_nothrow {
  239. makeNotContainer();
  240. _type = JSON_NUMBER;
  241. _value._number = (json_number)val;
  242. #if(defined(JSON_CASTABLE) || !defined(JSON_LESS_MEMORY) || defined(JSON_WRITE_PRIORITY))
  243. _string = NumberToString::_itoa<json_int_t>(val);
  244. #else
  245. clearString(_string);
  246. #endif
  247. SetFetched(true);
  248. }
  249. void internalJSONNode::Set(json_number val) json_nothrow {
  250. makeNotContainer();
  251. _type = JSON_NUMBER;
  252. _value._number = val;
  253. #if(defined(JSON_CASTABLE) || !defined(JSON_LESS_MEMORY) || defined(JSON_WRITE_PRIORITY))
  254. _string = NumberToString::_ftoa(val);
  255. #else
  256. clearString(_string);
  257. #endif
  258. SetFetched(true);
  259. }
  260. #else
  261. #if(defined(JSON_CASTABLE) || !defined(JSON_LESS_MEMORY) || defined(JSON_WRITE_PRIORITY))
  262. #define SET(converter, type)\
  263. void internalJSONNode::Set(type val) json_nothrow {\
  264. makeNotContainer();\
  265. _type = JSON_NUMBER;\
  266. _value._number = (json_number)val;\
  267. _string = NumberToString::converter<type>(val);\
  268. SetFetched(true);\
  269. }
  270. #define SET_FLOAT(type) \
  271. void internalJSONNode::Set(type val) json_nothrow {\
  272. makeNotContainer();\
  273. _type = JSON_NUMBER;\
  274. _value._number = (json_number)val;\
  275. _string = NumberToString::_ftoa(_value._number);\
  276. SetFetched(true);\
  277. }
  278. #else /*<- else */
  279. #define SET(converter, type)\
  280. void internalJSONNode::Set(type val) json_nothrow {\
  281. makeNotContainer();\
  282. _type = JSON_NUMBER;\
  283. _value._number = (json_number)val;\
  284. clearString(_string);\
  285. SetFetched(true);\
  286. }
  287. #define SET_FLOAT(type) \
  288. void internalJSONNode::Set(type val) json_nothrow {\
  289. makeNotContainer();\
  290. _type = JSON_NUMBER;\
  291. _value._number = (json_number)val;\
  292. clearString(_string);\
  293. SetFetched(true);\
  294. }
  295. #endif
  296. #define SET_INTEGER(type) SET(_itoa, type) SET(_uitoa, unsigned type)
  297. SET_INTEGER(char)
  298. SET_INTEGER(short)
  299. SET_INTEGER(int)
  300. SET_INTEGER(long)
  301. #ifndef JSON_ISO_STRICT
  302. SET_INTEGER(long long)
  303. SET_FLOAT(long double)
  304. #endif
  305. SET_FLOAT(float)
  306. SET_FLOAT(double)
  307. #endif
  308. void internalJSONNode::Set(bool val) json_nothrow {
  309. makeNotContainer();
  310. _type = JSON_BOOL;
  311. _value._bool = val;
  312. #if(defined(JSON_CASTABLE) || !defined(JSON_LESS_MEMORY) || defined(JSON_WRITE_PRIORITY))
  313. _string = val ? json_global(CONST_TRUE) : json_global(CONST_FALSE);
  314. #endif
  315. SetFetched(true);
  316. }
  317. bool internalJSONNode::IsEqualTo(const internalJSONNode * val) const json_nothrow {
  318. if (this == val) return true; //same internal object, so they must be equal (not only for ref counting)
  319. if (type() != val -> type()) return false; //aren't even same type
  320. if (_name != val -> _name) return false; //names aren't the same
  321. if (type() == JSON_NULL) return true; //both null, can't be different
  322. #if !defined(JSON_PREPARSE) && defined(JSON_READ_PRIORITY)
  323. Fetch();
  324. val -> Fetch();
  325. #endif
  326. switch (type()){
  327. case JSON_STRING:
  328. return val -> _string == _string;
  329. case JSON_NUMBER:
  330. return _floatsAreEqual(val -> _value._number, _value._number);
  331. case JSON_BOOL:
  332. return val -> _value._bool == _value._bool;
  333. };
  334. JSON_ASSERT(type() == JSON_NODE || type() == JSON_ARRAY, JSON_TEXT("Checking for equality, not sure what type"));
  335. if (CHILDREN -> size() != val -> CHILDREN -> size()) return false; //if they arne't he same size then they certainly aren't equal
  336. //make sure each children is the same
  337. JSONNode ** valrunner = val -> CHILDREN -> begin();
  338. json_foreach(CHILDREN, myrunner){
  339. JSON_ASSERT(*myrunner != NULL, json_global(ERROR_NULL_IN_CHILDREN));
  340. JSON_ASSERT(*valrunner != NULL, json_global(ERROR_NULL_IN_CHILDREN));
  341. JSON_ASSERT(valrunner != val -> CHILDREN -> end(), JSON_TEXT("at the end of other one's children, but they're the same size?"));
  342. if (**myrunner != **valrunner) return false;
  343. ++valrunner;
  344. }
  345. return true;
  346. }
  347. void internalJSONNode::Nullify(void) const json_nothrow {
  348. _type = JSON_NULL;
  349. #if(defined(JSON_CASTABLE) || !defined(JSON_LESS_MEMORY) || defined(JSON_WRITE_PRIORITY)) /*-> JSON_CASTABLE || !JSON_LESS_MEMORY || JSON_WRITE_PRIORITY */
  350. _string = json_global(CONST_NULL);
  351. #else /*<- else */
  352. clearString(_string);
  353. #endif /*<- */
  354. SetFetched(true);
  355. }
  356. #ifdef JSON_MUTEX_CALLBACKS /*-> JSON_MUTEX_CALLBACKS */
  357. #define JSON_MUTEX_COPY ,mylock
  358. #else /*<- else */
  359. #define JSON_MUTEX_COPY
  360. #endif /*<- */
  361. #ifdef JSON_LIBRARY /*-> JSON_LIBRARY */
  362. void internalJSONNode::push_back(JSONNode * node) json_nothrow {
  363. #else /*<- else */
  364. void internalJSONNode::push_back(const JSONNode & node) json_nothrow {
  365. #endif /*<- */
  366. JSON_ASSERT_SAFE(isContainer(), json_global(ERROR_NON_CONTAINER) + JSON_TEXT("push_back"), return;);
  367. #ifdef JSON_LIBRARY /*-> JSON_LIBRARY */
  368. #ifdef JSON_MUTEX_CALLBACKS /*-> JSON_MUTEX_CALLBACKS */
  369. if (mylock != 0) node -> set_mutex(mylock);
  370. #endif /*<- */
  371. CHILDREN -> push_back(node);
  372. #else /*<- else */
  373. CHILDREN -> push_back(JSONNode::newJSONNode(node JSON_MUTEX_COPY));
  374. #endif /*<- */
  375. }
  376. void internalJSONNode::push_front(const JSONNode & node) json_nothrow {
  377. JSON_ASSERT_SAFE(isContainer(), json_global(ERROR_NON_CONTAINER) + JSON_TEXT("push_front"), return;);
  378. CHILDREN -> push_front(JSONNode::newJSONNode(node JSON_MUTEX_COPY));
  379. }
  380. JSONNode * internalJSONNode::pop_back(json_index_t pos) json_nothrow {
  381. JSON_ASSERT_SAFE(isContainer(), json_global(ERROR_NON_CONTAINER) + JSON_TEXT("pop_back"), return 0;);
  382. JSONNode * result = (*CHILDREN)[pos];
  383. JSONNode ** temp = CHILDREN -> begin() + pos;
  384. CHILDREN -> erase(temp);
  385. return result;
  386. }
  387. JSONNode * internalJSONNode::pop_back(const json_string & name_t) json_nothrow {
  388. JSON_ASSERT_SAFE(isContainer(), json_global(ERROR_NON_CONTAINER) + JSON_TEXT("pop_back(str)"), return 0;);
  389. if (JSONNode ** res = at(name_t)){
  390. JSONNode * result = *res;
  391. CHILDREN -> erase(res);
  392. return result;
  393. }
  394. return 0;
  395. }
  396. #ifdef JSON_CASE_INSENSITIVE_FUNCTIONS /*-> JSON_CASE_INSENSITIVE_FUNCTIONS */
  397. JSONNode * internalJSONNode::pop_back_nocase(const json_string & name_t) json_nothrow {
  398. JSON_ASSERT_SAFE(isContainer(), json_global(ERROR_NON_CONTAINER) + JSON_TEXT("pop_back_nocase"), return 0;);
  399. if (JSONNode ** res = at_nocase(name_t)){
  400. JSONNode * result = *res;
  401. CHILDREN -> erase(res);
  402. return result;
  403. }
  404. return 0;
  405. }
  406. #endif /*<- */
  407. JSONNode ** internalJSONNode::at(const json_string & name_t) json_nothrow {
  408. JSON_ASSERT_SAFE(isContainer(), json_global(ERROR_NON_CONTAINER) + JSON_TEXT("at"), return 0;);
  409. Fetch();
  410. json_foreach(CHILDREN, myrunner){
  411. JSON_ASSERT(*myrunner != NULL, json_global(ERROR_NULL_IN_CHILDREN));
  412. if (json_unlikely((*myrunner) -> name() == name_t)) return myrunner;
  413. }
  414. return 0;
  415. }
  416. #ifdef JSON_CASE_INSENSITIVE_FUNCTIONS /*-> JSON_CASE_INSENSITIVE_FUNCTIONS */
  417. bool internalJSONNode::AreEqualNoCase(const json_char * ch_one, const json_char * ch_two) json_nothrow {
  418. while (*ch_one){ //only need to check one, if the other one terminates early, the check will cause it to fail
  419. const json_char c_one = *ch_one;
  420. const json_char c_two = *ch_two;
  421. if (c_one != c_two){
  422. if ((c_two > 64) && (c_two < 91)){ //A - Z
  423. if (c_one != (json_char)(c_two + 32)) return false;
  424. } else if ((c_two > 96) && (c_two < 123)){ //a - z
  425. if (c_one != (json_char)(c_two - 32)) return false;
  426. } else { //not a letter, so return false
  427. return false;
  428. }
  429. }
  430. ++ch_one;
  431. ++ch_two;
  432. }
  433. return *ch_two == '\0'; //this one has to be null terminated too, or else json_string two is longer, hence, not equal
  434. }
  435. JSONNode ** internalJSONNode::at_nocase(const json_string & name_t) json_nothrow {
  436. JSON_ASSERT_SAFE(isContainer(), json_global(ERROR_NON_CONTAINER) + JSON_TEXT("at_nocase"), return 0;);
  437. Fetch();
  438. json_foreach(CHILDREN, myrunner){
  439. JSON_ASSERT(*myrunner, json_global(ERROR_NULL_IN_CHILDREN));
  440. if (json_unlikely(AreEqualNoCase((*myrunner) -> name().c_str(), name_t.c_str()))) return myrunner;
  441. }
  442. return 0;
  443. }
  444. #endif /*<- */
  445. #if !defined(JSON_PREPARSE) && defined(JSON_READ_PRIORITY) /*-> JSON_PREPARSE && JSON_READ_PRIORITY */
  446. void internalJSONNode::preparse(void) json_nothrow {
  447. Fetch();
  448. if (isContainer()){
  449. json_foreach(CHILDREN, myrunner){
  450. (*myrunner) -> preparse();
  451. }
  452. }
  453. }
  454. #endif /*<- */
  455. internalJSONNode::operator bool() const json_nothrow {
  456. Fetch();
  457. #ifdef JSON_CASTABLE /*-> JSON_CASTABLE */
  458. switch(type()){
  459. case JSON_NUMBER:
  460. return !_floatsAreEqual(_value._number, (json_number)0.0);
  461. case JSON_NULL:
  462. return false;
  463. }
  464. #endif /*<- */
  465. JSON_ASSERT(type() == JSON_BOOL, json_global(ERROR_UNDEFINED) + JSON_TEXT("(bool)"));
  466. return _value._bool;
  467. }
  468. #ifdef JSON_LIBRARY /*-> JSON_LIBRARY */
  469. internalJSONNode::operator json_number() const json_nothrow {
  470. Fetch();
  471. #ifdef JSON_CASTABLE /*-> JSON_CASTABLE */
  472. switch(type()){
  473. case JSON_NULL:
  474. return (json_number)0.0;
  475. case JSON_BOOL:
  476. return (json_number)(_value._bool ? 1.0 : 0.0);
  477. case JSON_STRING:
  478. FetchNumber();
  479. }
  480. #endif /*<- */
  481. JSON_ASSERT(type() == JSON_NUMBER, json_global(ERROR_UNDEFINED) + JSON_TEXT("as_float"));
  482. return (json_number)_value._number;
  483. }
  484. internalJSONNode::operator json_int_t() const json_nothrow {
  485. Fetch();
  486. #ifdef JSON_CASTABLE /*-> JSON_CASTABLE */
  487. switch(type()){
  488. case JSON_NULL:
  489. return 0;
  490. case JSON_BOOL:
  491. return _value._bool ? 1 : 0;
  492. case JSON_STRING:
  493. FetchNumber();
  494. }
  495. #endif /*<- */
  496. JSON_ASSERT(type() == JSON_NUMBER, json_global(ERROR_UNDEFINED) + JSON_TEXT("as_int"));
  497. JSON_ASSERT(_value._number == (json_number)((json_int_t)_value._number), json_string(JSON_TEXT("as_int will truncate ")) + _string);
  498. return (json_int_t)_value._number;
  499. }
  500. #else /*<- else */
  501. #ifndef JSON_ISO_STRICT /*-> !JSON_ISO_STRICT */
  502. internalJSONNode::operator long double() const json_nothrow {
  503. Fetch();
  504. #ifdef JSON_CASTABLE /*-> JSON_CASTABLE */
  505. switch(type()){
  506. case JSON_NULL:
  507. return (long double)0.0;
  508. case JSON_BOOL:
  509. return (long double)(_value._bool ? 1.0 : 0.0);
  510. case JSON_STRING:
  511. FetchNumber();
  512. }
  513. #endif /*<- */
  514. JSON_ASSERT(type() == JSON_NUMBER, json_global(ERROR_UNDEFINED) + JSON_TEXT("(long double)"));
  515. return (long double)_value._number;
  516. }
  517. #else /*<- else */
  518. internalJSONNode::operator double() const json_nothrow {
  519. Fetch();
  520. #ifdef JSON_CASTABLE /*-> JSON_CASTABLE */
  521. switch(type()){
  522. case JSON_NULL:
  523. return (double)0.0;
  524. case JSON_BOOL:
  525. return (double)(_value._bool ? 1.0 : 0.0);
  526. case JSON_STRING:
  527. FetchNumber();
  528. }
  529. #endif /*<- */
  530. JSON_ASSERT(type() == JSON_NUMBER, json_global(ERROR_UNDEFINED) + JSON_TEXT("(double)"));
  531. return (double)_value._number;
  532. }
  533. #endif /*<- */
  534. //do whichever one is longer, because it's easy to cast down
  535. #ifdef JSON_ISO_STRICT /*-> JSON_ISO_STRICT */
  536. internalJSONNode::operator long() const json_nothrow
  537. #else /*<- else */
  538. internalJSONNode::operator long long() const json_nothrow
  539. #endif /*<- */
  540. {
  541. Fetch();
  542. #ifdef JSON_CASTABLE /*-> JSON_CASTABLE */
  543. switch(type()){
  544. case JSON_NULL:
  545. return 0;
  546. case JSON_BOOL:
  547. return _value._bool ? 1 : 0;
  548. case JSON_STRING:
  549. FetchNumber();
  550. }
  551. #endif /*<- */
  552. #ifdef JSON_ISO_STRICT /*-> JSON_ISO_STRICT */
  553. JSON_ASSERT(type() == JSON_NUMBER, json_global(ERROR_UNDEFINED) + JSON_TEXT("(long)"));
  554. JSON_ASSERT(_value._number > LONG_MIN, _string + json_global(ERROR_LOWER_RANGE) + JSON_TEXT("long"));
  555. JSON_ASSERT(_value._number < LONG_MAX, _string + json_global(ERROR_UPPER_RANGE) + JSON_TEXT("long"));
  556. JSON_ASSERT(_value._number == (json_number)((long)_value._number), json_string(JSON_TEXT("(long) will truncate ")) + _string);
  557. return (long)_value._number;
  558. #else /*<- else */
  559. JSON_ASSERT(type() == JSON_NUMBER, json_global(ERROR_UNDEFINED) + JSON_TEXT("(long long)"));
  560. #ifdef LONG_LONG_MAX
  561. JSON_ASSERT(_value._number < LONG_LONG_MAX, _string + json_global(ERROR_UPPER_RANGE) + JSON_TEXT("long long"));
  562. #elif defined(LLONG_MAX)
  563. JSON_ASSERT(_value._number < LLONG_MAX, _string + json_global(ERROR_UPPER_RANGE) + JSON_TEXT("long long"));
  564. #endif
  565. #ifdef LONG_LONG_MIN
  566. JSON_ASSERT(_value._number > LONG_LONG_MIN, _string + json_global(ERROR_LOWER_RANGE) + JSON_TEXT("long long"));
  567. #elif defined(LLONG_MAX)
  568. JSON_ASSERT(_value._number > LLONG_MIN, _string + json_global(ERROR_LOWER_RANGE) + JSON_TEXT("long long"));
  569. #endif
  570. JSON_ASSERT(_value._number == (json_number)((long long)_value._number), json_string(JSON_TEXT("(long long) will truncate ")) + _string);
  571. return (long long)_value._number;
  572. #endif /*<- */
  573. }
  574. #ifdef JSON_ISO_STRICT /*-> JSON_ISO_STRICT */
  575. internalJSONNode::operator unsigned long() const json_nothrow
  576. #else /*<- else */
  577. internalJSONNode::operator unsigned long long() const json_nothrow
  578. #endif /*<- */
  579. {
  580. Fetch();
  581. #ifdef JSON_CASTABLE /*-> JSON_CASTABLE */
  582. switch(type()){
  583. case JSON_NULL:
  584. return 0;
  585. case JSON_BOOL:
  586. return _value._bool ? 1 : 0;
  587. case JSON_STRING:
  588. FetchNumber();
  589. }
  590. #endif /*<- */
  591. #ifdef JSON_ISO_STRICT /*-> JSON_ISO_STRICT */
  592. JSON_ASSERT(type() == JSON_NUMBER, json_global(ERROR_UNDEFINED) + JSON_TEXT("(unsigned long)"));
  593. JSON_ASSERT(_value._number > 0, _string + json_global(ERROR_LOWER_RANGE) + JSON_TEXT("unsigned long"));
  594. JSON_ASSERT(_value._number < ULONG_MAX, _string + json_global(ERROR_UPPER_RANGE) + JSON_TEXT("unsigned long"));
  595. JSON_ASSERT(_value._number == (json_number)((unsigned long)_value._number), json_string(JSON_TEXT("(unsigend long) will truncate ")) + _string);
  596. return (unsigned long)_value._number;
  597. #else /*<- else */
  598. JSON_ASSERT(type() == JSON_NUMBER, json_global(ERROR_UNDEFINED) + JSON_TEXT("(unsigned long long)"));
  599. JSON_ASSERT(_value._number > 0, _string + json_global(ERROR_LOWER_RANGE) + JSON_TEXT("unsigned long long"));
  600. #ifdef ULONG_LONG_MAX
  601. JSON_ASSERT(_value._number < ULONG_LONG_MAX, _string + json_global(ERROR_UPPER_RANGE) + JSON_TEXT("unsigned long long"));
  602. #elif defined(ULLONG_MAX)
  603. JSON_ASSERT(_value._number < ULLONG_MAX, _string + json_global(ERROR_UPPER_RANGE) + JSON_TEXT("unsigned long long"));
  604. #endif
  605. JSON_ASSERT(_value._number == (json_number)((unsigned long long)_value._number), json_string(JSON_TEXT("(unsigned long long) will truncate ")) + _string);
  606. return (unsigned long long)_value._number;
  607. #endif /*<- */
  608. }
  609. #endif /*<- */
  610. /*
  611. These functions are to allow allocation to be completely controlled by the callbacks
  612. */
  613. #ifdef JSON_MEMORY_POOL /*-> JSON_MEMORY_POOL */
  614. #include "JSONMemoryPool.h"
  615. static memory_pool<INTERNALNODEPOOL> json_internal_mempool;
  616. #endif /*<- */
  617. void internalJSONNode::deleteInternal(internalJSONNode * ptr) json_nothrow {
  618. #ifdef JSON_MEMORY_POOL /*-> JSON_MEMORY_POOL */
  619. ptr -> ~internalJSONNode();
  620. json_internal_mempool.deallocate((void*)ptr);
  621. #elif defined(JSON_MEMORY_CALLBACKS) /*<- else JSON_MEMORY_CALLBACKS */
  622. ptr -> ~internalJSONNode();
  623. libjson_free<internalJSONNode>(ptr);
  624. #else /*<- else */
  625. delete ptr;
  626. #endif /*<- */
  627. }
  628. internalJSONNode * internalJSONNode::newInternal(char mytype) {
  629. #ifdef JSON_MEMORY_POOL /*-> JSON_MEMORY_POOL */
  630. return new((internalJSONNode*)json_internal_mempool.allocate()) internalJSONNode(mytype);
  631. #elif defined(JSON_MEMORY_CALLBACKS) /*<- else JSON_MEMORY_CALLBACKS */
  632. return new(json_malloc<internalJSONNode>(1)) internalJSONNode(mytype);
  633. #else /*<- else */
  634. return new internalJSONNode(mytype);
  635. #endif /*<- */
  636. }
  637. #ifdef JSON_READ_PRIORITY /*-> JSON_READ_PRIORITY */
  638. internalJSONNode * internalJSONNode::newInternal(const json_string & unparsed) {
  639. #ifdef JSON_MEMORY_POOL /*-> JSON_MEMORY_POOL */
  640. return new((internalJSONNode*)json_internal_mempool.allocate()) internalJSONNode(unparsed);
  641. #elif defined(JSON_MEMORY_CALLBACKS) /*<- else JSON_MEMORY_CALLBACKS */
  642. return new(json_malloc<internalJSONNode>(1)) internalJSONNode(unparsed);
  643. #else /*<- else */
  644. return new internalJSONNode(unparsed);
  645. #endif /*<- */
  646. }
  647. internalJSONNode * internalJSONNode::newInternal(const json_string & name_t, const json_string & value_t) {
  648. #ifdef JSON_MEMORY_POOL /*-> JSON_MEMORY_POOL */
  649. return new((internalJSONNode*)json_internal_mempool.allocate()) internalJSONNode(name_t, value_t);
  650. #elif defined(JSON_MEMORY_CALLBACKS) /*<- else JSON_MEMORY_CALLBACKS */
  651. return new(json_malloc<internalJSONNode>(1)) internalJSONNode(name_t, value_t);
  652. #else /*<- else */
  653. return new internalJSONNode(name_t, value_t);
  654. #endif /*<- */
  655. }
  656. #endif /*<- */
  657. internalJSONNode * internalJSONNode::newInternal(const internalJSONNode & orig) {
  658. #ifdef JSON_MEMORY_POOL /*-> JSON_MEMORY_POOL */
  659. return new((internalJSONNode*)json_internal_mempool.allocate()) internalJSONNode(orig);
  660. #elif defined(JSON_MEMORY_CALLBACKS) /*<- else JSON_MEMORY_CALLBACKS */
  661. return new(json_malloc<internalJSONNode>(1)) internalJSONNode(orig);
  662. #else /*<- else */
  663. return new internalJSONNode(orig);
  664. #endif /*<- */
  665. }
  666. #ifdef JSON_DEBUG /*-> JSON_MEMORY_POOL */
  667. #ifndef JSON_LIBRARY /*-> JSON_MEMORY_POOL */
  668. JSONNode internalJSONNode::Dump(size_t & totalbytes) const json_nothrow {
  669. JSONNode dumpage(JSON_NODE);
  670. dumpage.set_name(JSON_TEXT("internalJSONNode"));
  671. dumpage.push_back(JSON_NEW(JSONNode(JSON_TEXT("this"), (long)this)));
  672. START_MEM_SCOPE
  673. size_t memory = sizeof(internalJSONNode);
  674. memory += _name.capacity() * sizeof(json_char);
  675. memory += _string.capacity() * sizeof(json_char);
  676. if (isContainer()){
  677. memory += sizeof(jsonChildren);
  678. memory += CHILDREN -> capacity() * sizeof(JSONNode*);
  679. }
  680. #ifdef JSON_COMMENTS /*-> JSON_COMMENTS */
  681. memory += _comment.capacity() * sizeof(json_char);
  682. #endif /*<- */
  683. totalbytes += memory;
  684. dumpage.push_back(JSON_NEW(JSONNode(JSON_TEXT("bytes used"), memory)));
  685. END_MEM_SCOPE
  686. #ifdef JSON_REF_COUNT /*-> JSON_REF_COUNT */
  687. dumpage.push_back(JSON_NEW(JSONNode(JSON_TEXT("refcount"), refcount)));
  688. #endif /*<- */
  689. #ifdef JSON_MUTEX_CALLBACKS /*-> JSON_MUTEX_CALLBACKS */
  690. dumpage.push_back(JSON_NEW(DumpMutex()));
  691. #endif /*<- */
  692. #define DUMPCASE(ty)\
  693. case ty:\
  694. dumpage.push_back(JSON_NEW(JSONNode(JSON_TEXT("_type"), JSON_TEXT(#ty))));\
  695. break;
  696. switch(type()){
  697. DUMPCASE(JSON_NULL)
  698. DUMPCASE(JSON_STRING)
  699. DUMPCASE(JSON_NUMBER)
  700. DUMPCASE(JSON_BOOL)
  701. DUMPCASE(JSON_ARRAY)
  702. DUMPCASE(JSON_NODE)
  703. default:
  704. dumpage.push_back(JSON_NEW(JSONNode(JSON_TEXT("_type"), JSON_TEXT("Unknown"))));
  705. }
  706. JSONNode str(JSON_NODE);
  707. str.set_name(JSON_TEXT("_name"));
  708. str.push_back(JSON_NEW(JSONNode(json_string(JSON_TEXT("value")), _name)));
  709. str.push_back(JSON_NEW(JSONNode(JSON_TEXT("length"), _name.length())));
  710. str.push_back(JSON_NEW(JSONNode(JSON_TEXT("capactiy"), _name.capacity())));
  711. dumpage.push_back(JSON_NEW(JSONNode(JSON_TEXT("_name_encoded"), _name_encoded)));
  712. dumpage.push_back(JSON_NEW(str));
  713. dumpage.push_back(JSON_NEW(JSONNode(JSON_TEXT("_string_encoded"), _string_encoded)));
  714. str.clear();
  715. str.set_name(JSON_TEXT("_string"));
  716. str.push_back(JSON_NEW(JSONNode(json_string(JSON_TEXT("value")), _string)));
  717. str.push_back(JSON_NEW(JSONNode(JSON_TEXT("length"), _string.length())));
  718. str.push_back(JSON_NEW(JSONNode(JSON_TEXT("capactiy"), _string.capacity())));
  719. dumpage.push_back(JSON_NEW(str));
  720. if ((type() == JSON_BOOL) || (type() == JSON_NUMBER)){
  721. JSONNode unio(JSON_NODE);
  722. unio.set_name(JSON_TEXT("_value"));
  723. if (type() == JSON_BOOL){
  724. unio.push_back(JSON_NEW(JSONNode(JSON_TEXT("_bool"), _value._bool)));
  725. } else if (type() == JSON_NUMBER){
  726. unio.push_back(JSON_NEW(JSONNode(JSON_TEXT("_number"), _value._number)));
  727. }
  728. dumpage.push_back(JSON_NEW(unio));
  729. }
  730. #if !defined(JSON_PREPARSE) && defined(JSON_READ_PRIORITY) /*-> !JSON_PREPARSE && JSON_READ_PRIORITY */
  731. dumpage.push_back(JSON_NEW(JSONNode(JSON_TEXT("fetched"), fetched)));
  732. #endif /*<- */
  733. #ifdef JSON_COMMENTS /*-> JSON_COMMENTS */
  734. str.clear();
  735. str.set_name(JSON_TEXT("_comment"));
  736. str.push_back(JSON_NEW(JSONNode(JSON_TEXT("value"), _comment)));
  737. str.push_back(JSON_NEW(JSONNode(JSON_TEXT("length"), _comment.length())));
  738. str.push_back(JSON_NEW(JSONNode(JSON_TEXT("capactiy"), _comment.capacity())));
  739. dumpage.push_back(JSON_NEW(str));
  740. #endif /*<- */
  741. if (isContainer()){
  742. JSONNode arra(JSON_NODE);
  743. arra.set_name(JSON_TEXT("Children"));
  744. arra.push_back(JSON_NEW(JSONNode(JSON_TEXT("size"), CHILDREN -> size())));
  745. arra.push_back(JSON_NEW(JSONNode(JSON_TEXT("capacity"), CHILDREN -> capacity())));
  746. JSONNode chil(JSON_ARRAY);
  747. chil.set_name(JSON_TEXT("array"));
  748. json_foreach(CHILDREN, it){
  749. chil.push_back(JSON_NEW((*it) -> dump(totalbytes)));
  750. }
  751. arra.push_back(JSON_NEW(chil));
  752. dumpage.push_back(JSON_NEW(arra));
  753. }
  754. return dumpage;
  755. }
  756. #endif /*<- */
  757. #endif /*<- */