libson separated from mir_core and moved to libs\

git-svn-id: http://svn.miranda-ng.org/main/trunk@14187 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 457 insertions, 0 deletions

diff --git a/libs/libjson/src/internalJSONNode.h b/libs/libjson/src/internalJSONNode.h
new file mode 100644
index 0000000000..5381d2fcdc
--- /dev/null
+++ b/libs/libjson/src/internalJSONNode.h
@@ -0,0 +1,457 @@
+#ifndef INTERNAL_JSONNODE_H

+#define INTERNAL_JSONNODE_H

+

+#include "JSONChildren.h"

+#include "JSONMemory.h"

+#ifdef JSON_DEBUG

+	#include <climits>  //to check int value

+#endif

+

+/*

+	This class is the work horse of libJSON, it handles all of the

+	functinality of JSONNode. This object is reference counted for

+	speed and memory reasons.

+

+	If JSON_REF_COUNT is not on, this internal structure still has an important

+	purpose, as it can be passed around by JSONNoders that are flagged as temporary

+*/

+

+class JSONNode;  //forward declaration

+

+#ifndef JSON_LIBRARY

+	#define DECL_SET_INTEGER(type) void Set(type); void Set(unsigned type);

+#endif

+

+#ifdef JSON_MUTEX_CALLBACKS

+	#define initializeMutex(x) ,mylock(x)

+#else

+	#define initializeMutex(x)

+#endif

+

+#ifdef JSON_PREPARSE

+	#define SetFetched(b) (void)0

+	#define Fetch() (void)0

+#define initializeFetch(x)

+#else

+	#define initializeFetch(x) ,fetched(x)

+#endif

+

+#ifdef JSON_REF_COUNT

+	#define initializeRefCount(x) ,refcount(x)

+#else

+	#define initializeRefCount(x)

+#endif

+

+#ifdef JSON_COMMENTS

+	#define initializeComment(x) ,_comment(x)

+#else

+	#define initializeComment(x)

+#endif

+

+#ifndef JSON_UNIT_TEST

+	#define incAllocCount() (void)0

+	#define decAllocCount() (void)0

+	#define incinternalAllocCount() (void)0

+	#define decinternalAllocCount() (void)0

+#endif

+

+#ifdef JSON_VALIDATE

+	#define initializeValid(x) ,isValid(x)

+#else

+	#define initializeValid(x)

+#endif

+

+class internalJSONNode {

+public:

+	internalJSONNode(char mytype = JSON_NULL);

+	internalJSONNode(const json_string & unparsed);

+	internalJSONNode(const json_string & name_t, const json_string & value_t);

+	internalJSONNode(const internalJSONNode & orig);  

+	internalJSONNode & operator = (const internalJSONNode &);

+	~internalJSONNode(void);

+

+	static internalJSONNode * newInternal(char mytype = JSON_NULL);

+	static internalJSONNode * newInternal(const json_string & unparsed);

+	static internalJSONNode * newInternal(const json_string & name_t, const json_string & value_t);

+	static internalJSONNode * newInternal(const internalJSONNode & orig);  //not copyable, only by this class

+	static void deleteInternal(internalJSONNode * ptr);

+

+	json_index_t size(void) const;

+	bool empty(void) const;

+	unsigned char type(void) const;

+

+	const json_char* name(void) const;

+	void setname(const json_string & newname);

+	#ifdef JSON_COMMENTS

+		void setcomment(const json_string & comment);

+		json_string getcomment(void) const;

+	#endif

+	json_string as_string(void) const;

+	CMString as_mstring(void) const;

+	long as_int(void) const;

+	json_number as_float(void) const;

+	bool as_bool(void) const;

+

+	#ifndef JSON_PREPARSE

+		void preparse(void);

+	#endif

+

+	#ifdef JSON_LIBRARY

+		void push_back(JSONNode *node);

+	#else

+		void push_back(const JSONNode & node);

+	#endif

+	void reserve(json_index_t size);

+	void push_front(const JSONNode & node);

+	JSONNode * pop_back(json_index_t pos);

+	JSONNode * pop_back(const json_string & name_t);

+	#ifdef JSON_CASE_INSENSITIVE_FUNCTIONS

+		JSONNode * pop_back_nocase(const json_string & name_t);

+	#endif

+

+	JSONNode * at(json_index_t pos);

+	//These return ** because pop_back needs them

+	JSONNode ** at(const json_string & name_t);

+	#ifdef JSON_CASE_INSENSITIVE_FUNCTIONS

+		JSONNode ** at_nocase(const json_string & name_t);

+	#endif

+

+	void Set(const json_string & val);

+	#ifdef JSON_LIBRARY

+		void Set(json_number val);

+		void Set(long val);

+	#else

+		DECL_SET_INTEGER(char)

+		DECL_SET_INTEGER(short)

+		DECL_SET_INTEGER(int)

+		DECL_SET_INTEGER(long)

+		#ifndef JSON_ISO_STRICT

+			DECL_SET_INTEGER(long long)

+		#endif

+

+		void Set(float val);

+		void Set(double val);

+	#endif

+	void Set(bool val);

+

+	bool IsEqualTo(const json_string & val)const ;

+	bool IsEqualTo(bool val) const;

+	bool IsEqualTo(const internalJSONNode * val) const;  

+

+	template<typename T>

+	bool IsEqualToNum(T val) const;

+

+	internalJSONNode * incRef(void);

+	#ifdef JSON_REF_COUNT

+		void decRef(void);

+		bool hasNoReferences(void);

+	#endif

+	internalJSONNode * makeUnique(void);

+

+	JSONNode ** begin(void) const;

+	JSONNode ** end(void) const;

+	#ifdef JSON_REF_COUNT

+		size_t refcount BITS(20);

+	#endif

+	bool Fetched(void) const;

+	#ifdef JSON_MUTEX_CALLBACKS

+		void * mylock;

+		void _set_mutex(void * mutex, bool unset = true);

+		void _unset_mutex(void);

+	#endif

+	#ifdef JSON_UNIT_TEST

+		static void incinternalAllocCount(void);

+		static void decinternalAllocCount(void);

+	#endif

+

+	#ifdef JSON_WRITER

+		json_string WriteName(bool formatted, bool arrayChild) const;

+		json_string WriteChildren(unsigned int indent);

+		json_string WriteComment(unsigned int indent) const;

+		json_string Write(unsigned int indent, bool arrayChild);

+	#endif

+	#ifdef JSON_DEBUG

+		#ifndef JSON_LIBRARY

+			JSONNode Dump(size_t & totalmemory) const;

+			JSONNode DumpMutex(void) const;

+		#endif

+	#endif

+

+	//json parts

+	mutable unsigned char _type BITS(3);

+	mutable bool _name_encoded BITS(1);  //must be above name due to initialization list order

+	json_string _name;	

+

+	mutable json_string _string;   //these are both mutable because the string can change when it's fetched

+	mutable bool _string_encoded BITS(1);

+

+	//the value of the json

+	union value_union_t {

+		bool _bool;

+		json_number _number;

+	};

+	mutable value_union_t _value; //internal structure changes depending on type

+

+	jsonChildren Children;  //container that holds all of my children

+

+	#ifdef JSON_VALIDATE

+		mutable bool isValid BITS(1);  //this does not need to be initialized, it's only used if it's null

+		void Nullify(bool validation = true) const;

+		bool validate(void);

+	#else

+		void Nullify(void) const;

+	#endif

+

+	//Fetching and such

+	#ifndef JSON_PREPARSE

+		mutable bool fetched BITS(1);

+		void SetFetched(bool val) const;

+		void Fetch(void) const;  //it's const because it doesn't change the VALUE of the function

+	#endif

+

+	#ifdef JSON_COMMENTS

+		json_string _comment;

+	#endif

+

+	void FetchString(void) const;

+	void FetchNode(void) const;

+	void FetchArray(void) const;

+	void FetchNumber(void) const;

+	#ifdef JSON_CASE_INSENSITIVE_FUNCTIONS

+		static bool AreEqualNoCase(const json_char * ch_one, const json_char * ch_two);

+	#endif

+};

+

+inline internalJSONNode::internalJSONNode(char mytype) : _type(mytype), Children(), _name(), _name_encoded(), _string(), _string_encoded(), _value()

+	initializeMutex(0)  

+	initializeRefCount(1)

+	initializeFetch(true)

+	initializeComment(0)

+	initializeValid(true){

+

+	incinternalAllocCount();

+}

+

+inline internalJSONNode * internalJSONNode::incRef(void){

+	#ifdef JSON_REF_COUNT

+		++refcount;

+		return this;

+	#else

+		return makeUnique();

+	#endif

+}

+

+inline json_index_t internalJSONNode::size(void) const {

+	Fetch();

+	return Children.size();

+}

+

+inline bool internalJSONNode::empty(void) const {

+	if (type() != JSON_NODE && type() != JSON_ARRAY) return true;

+	Fetch();

+	return Children.empty();

+}

+

+inline unsigned char internalJSONNode::type(void) const {

+	#ifdef JSON_LESS_MEMORY

+		return _type & 0xF;

+	#else

+		return _type;

+	#endif

+}

+

+inline const json_char* internalJSONNode::name(void) const {

+	return _name.c_str();

+}

+

+inline void internalJSONNode::setname(const json_string & newname){

+	_name = newname;

+	#ifdef JSON_LESS_MEMORY

+		_type |= 0x10;

+	#else

+		_name_encoded = true; 

+	#endif

+}

+

+#ifdef JSON_COMMENTS

+	inline void internalJSONNode::setcomment(const json_string & comment){

+		_comment = comment;

+	}

+

+	inline json_string internalJSONNode::getcomment(void) const {

+		return _comment;

+	}

+#endif

+

+inline json_string internalJSONNode::as_string(void) const {

+	Fetch();

+	return _string;

+}

+

+inline CMString internalJSONNode::as_mstring(void) const {

+	Fetch();

+	return CMString(ptrT(mir_utf8decodeT(_string.c_str())));

+}

+

+inline long internalJSONNode::as_int(void) const {

+	Fetch();

+	switch(type()) {

+		case JSON_NULL:

+			return 0;

+		case JSON_BOOL:

+			return _value._bool ? 1 : 0;

+	}

+	JSON_ASSERT(type() == JSON_NUMBER, JSON_TEXT("as_int returning undefined results"));

+	JSON_ASSERT(_value._number > LONG_MIN, _string + JSON_TEXT(" is outside the lower range of long"));

+	JSON_ASSERT(_value._number < LONG_MAX, _string + JSON_TEXT(" is outside the upper range of long"));

+	JSON_ASSERT(_value._number == (json_number)((int)_value._number), json_string(JSON_TEXT("as_int will truncate ")) + _string);

+	return (int)_value._number;

+}

+

+inline json_number internalJSONNode::as_float(void) const {

+	Fetch();

+	switch(type()) {

+		case JSON_NULL:

+			return (json_number)0.0;

+		case JSON_BOOL:

+			return (json_number)(_value._bool ? 1.0 : 0.0);

+	}

+	JSON_ASSERT(type() == JSON_NUMBER, JSON_TEXT("as_float returning undefined results"));

+	return _value._number;   

+}

+

+inline bool internalJSONNode::as_bool(void) const {

+	Fetch();

+	switch(type()) {

+		case JSON_NUMBER:

+			return _value._number != 0.0f;

+		case JSON_NULL:

+			return false;

+	}

+	JSON_ASSERT(type() == JSON_BOOL, JSON_TEXT("as_bool returning undefined results"));

+	return _value._bool;

+}

+

+inline bool internalJSONNode::IsEqualTo(const json_string & val) const {

+	if (type() != JSON_STRING) return false;

+	Fetch(); 

+	return val == _string;

+}

+

+inline bool internalJSONNode::IsEqualTo(bool val) const {

+	if (type() != JSON_BOOL) return false;

+	Fetch(); 

+	return val == _value._bool;

+}

+

+template<typename T>

+inline bool internalJSONNode::IsEqualToNum(T val) const {

+	if (type() != JSON_NUMBER) return false;

+	Fetch(); 

+	return (json_number)val == _value._number;

+}

+

+#ifdef JSON_REF_COUNT

+	inline void internalJSONNode::decRef(void){

+		JSON_ASSERT(refcount != 0, JSON_TEXT("decRef on a 0 refcount internal"));

+		--refcount;

+	}

+

+	inline bool internalJSONNode::hasNoReferences(void){

+		return refcount == 0;

+	}

+#endif

+

+inline internalJSONNode * internalJSONNode::makeUnique(void){

+	#ifdef JSON_REF_COUNT

+		if (refcount > 1){

+			decRef();

+			return newInternal(*this);

+		}

+		JSON_ASSERT(refcount == 1, JSON_TEXT("makeUnique on a 0 refcount internal"));

+		return this;

+	#else

+		return newInternal(*this);

+	#endif

+}

+

+#ifndef JSON_PREPARSE

+	inline void internalJSONNode::SetFetched(bool val) const {

+		fetched = val;

+	}

+#endif

+

+inline bool internalJSONNode::Fetched(void) const {

+	#ifndef JSON_PREPARSE

+		return fetched;

+	#else

+		return true;

+	#endif

+}

+

+inline JSONNode ** internalJSONNode::begin(void) const {

+	Fetch();

+	return Children.begin();

+}

+

+inline JSONNode ** internalJSONNode::end(void) const {

+	Fetch();

+	return Children.end();

+}

+

+inline JSONNode * internalJSONNode::at(json_index_t pos){

+	Fetch();

+	return Children[pos];

+}

+

+inline void internalJSONNode::reserve(json_index_t size){

+	Fetch();

+	Children.reserve2(size);

+}

+

+/*

+	These functions are to allow allocation to be completely controlled by the callbacks

+*/

+

+inline void internalJSONNode::deleteInternal(internalJSONNode * ptr){

+	#ifdef JSON_MEMORY_CALLBACKS

+		ptr -> ~internalJSONNode();

+		libjson_free<internalJSONNode>(ptr);

+	#else

+		delete ptr;

+	#endif

+}

+

+inline internalJSONNode * internalJSONNode::newInternal(char mytype){

+	#ifdef JSON_MEMORY_CALLBACKS

+		return new(json_malloc<internalJSONNode>(1)) internalJSONNode(mytype);

+	#else

+		return new internalJSONNode(mytype);

+	#endif

+}

+

+inline internalJSONNode * internalJSONNode::newInternal(const json_string & unparsed){

+	#ifdef JSON_MEMORY_CALLBACKS

+		return new(json_malloc<internalJSONNode>(1)) internalJSONNode(unparsed);

+	#else

+		return new internalJSONNode(unparsed);

+	#endif

+}

+

+inline internalJSONNode * internalJSONNode::newInternal(const json_string & name_t, const json_string & value_t){

+	#ifdef JSON_MEMORY_CALLBACKS

+		return new(json_malloc<internalJSONNode>(1)) internalJSONNode(name_t, value_t);

+	#else

+		return new internalJSONNode(name_t, value_t);

+	#endif

+}

+

+inline internalJSONNode * internalJSONNode::newInternal(const internalJSONNode & orig){

+	#ifdef JSON_MEMORY_CALLBACKS

+		return new(json_malloc<internalJSONNode>(1)) internalJSONNode(orig);

+	#else

+		return new internalJSONNode(orig);

+	#endif

+}

+

+#endif