JROOT::JRootClass Struct Reference

Auxiliary class to manage access to base classes and data members of ROOT class. More...

#include <JRootClass.hh>

Inheritance diagram for JROOT::JRootClass:

Public Member Functions
template<class JType_t >
	JRootClass (const JType< JType_t > &type)
	Constructor.
template<class JType_t , class JClass_t >
	JRootClass (JType_t JClass_t::*pd)
	Constructor.
	JRootClass (TDictionary *dictionary, int offset=0)
	Constructor.
TDictionary *	getDictionary () const
	Get dictionary.
int	getOffset () const
	Get offset of this class with respect to parent class.
TClass *	getClass () const
	Get class.
const char *	getTypename () const
	Get type name.
bool	is_valid () const
	Check validity of this class.
bool	equals (const JRootClass &object) const
	Test equality of ROOT classes.
JRootClass	find (const char *const name, const bool option=true) const
	Find base class or data member with given name within current class.
JRootClass	get (const TDataMember &object) const
	Get ROOT class of given data member.
JRootClass	get (const TBaseClass &object) const
	Get ROOT class of given base class.
void	print (std::ostream &out) const
	Print ROOT class information.

Protected Member Functions
	JRootClass ()
	Default constructor.
void	print (std::ostream &out, const std::string &prefix) const
	Print ROOT class information.

Static Protected Member Functions
static void	print (std::ostream &out, const std::string &name, const std::string &type)
	Print ROOT class information.

Protected Attributes
TDictionary *	dictionary
	pointer to ROOT dictionary
int	offset
	offset with respect to data structure [B]

Detailed Description

Auxiliary class to manage access to base classes and data members of ROOT class.

Definition at line 41 of file JRootClass.hh.

Constructor & Destructor Documentation

JRootClass() [1/4]

template<class JType_t >

JROOT::JRootClass::JRootClass ( const JType< JType_t > & type )

inline

Constructor.

Parameters

type

data type

Definition at line 50 of file JRootClass.hh.

                                           :
      dictionary(TDictionary::GetDictionary(typeid(JType_t))),
      offset(0)
    {}

JRootClass() [2/4]

template<class JType_t , class JClass_t >

JROOT::JRootClass::JRootClass ( JType_t JClass_t::* pd )

inline

Constructor.

Parameters

pd	pointer to C++ data member

Definition at line 62 of file JRootClass.hh.

                                    :
      dictionary(TDictionary::GetDictionary(typeid(JType_t))),
      offset((char*) &(((JClass_t*) NULL)->*pd) - (char*) NULL)
    {}

JRootClass() [3/4]

JROOT::JRootClass::JRootClass ( TDictionary * dictionary, int offset = 0 )

inline

Constructor.

Parameters

dictionary	pointer to dictionary
offset	offset

Definition at line 74 of file JRootClass.hh.

                                        :
      dictionary(dictionary),
      offset    (offset)
    {}

JRootClass() [4/4]

JROOT::JRootClass::JRootClass ( )

inlineprotected

Default constructor.

Definition at line 247 of file JRootClass.hh.

                 :
      dictionary(NULL),
      offset(0)
    {}

Member Function Documentation

getDictionary()

TDictionary * JROOT::JRootClass::getDictionary ( ) const

inline

Get dictionary.

Returns

pointer to dictionary

Definition at line 86 of file JRootClass.hh.

    {
      return dictionary;
    }

getOffset()

int JROOT::JRootClass::getOffset ( ) const

inline

Get offset of this class with respect to parent class.

Returns

offset

Definition at line 97 of file JRootClass.hh.

    {
      return offset;
    }

getClass()

TClass * JROOT::JRootClass::getClass ( ) const

inline

Get class.

Returns

pointer to class

Definition at line 108 of file JRootClass.hh.

    {
      return dynamic_cast<TClass*>(dictionary);
    }

getTypename()

const char * JROOT::JRootClass::getTypename ( ) const

inline

Get type name.

Returns

type name

Definition at line 119 of file JRootClass.hh.

    {
      if (dictionary != NULL)
        return dictionary->GetName();
      else
        return NULL;
    }

is_valid()

bool JROOT::JRootClass::is_valid ( ) const

inline

Check validity of this class.

Returns

true if valid class; else false

Definition at line 133 of file JRootClass.hh.

    {
      return (this->getDictionary() != NULL && JRoot::is_class(this->getTypename()));
    }

equals()

bool JROOT::JRootClass::equals ( const JRootClass & object ) const

inline

Test equality of ROOT classes.

Parameters

object

ROOT class

Returns

true if both ROOT classes are same type; else false

Definition at line 145 of file JRootClass.hh.

    {
      return (this-> getTypename() != NULL &&
              object.getTypename() != NULL &&
              strcmp(this->getTypename(), object.getTypename()) == 0);
    }

find()

JRootClass JROOT::JRootClass::find ( const char *const name, const bool option = true ) const

inline

Find base class or data member with given name within current class.

Parameters

name	name of base class or data member
option	case insensitive

Returns

ROOT class

Definition at line 160 of file JRootClass.hh.

    {
      if (name != NULL && strlen(name) != 0) {
 
        if (strcmp(getTypename(), name) == 0) {
          return *this;
        }
 
        if (this->getClass() != NULL) {
 
          // check for data members
 
          for (TIter next(this->getClass()->GetListOfDataMembers(kFALSE)); const TDataMember *p = (const TDataMember*) next(); ) {
            if (( option  &&  strcmp    (p->GetName(), name) == 0) ||
                (!option  &&  strcasecmp(p->GetName(), name) == 0)) { 
              return this->get(*p);
            }
          }
          
          // check for base classes
          
          for (TIter next(this->getClass()->GetListOfBases()); const TBaseClass *p = (const TBaseClass*) next(); ) {
            
            if (JRoot::is_class(*p) && !JRoot::is_STLcontainer(*p)) {
              
              JRootClass rcs = this->get(*p);
 
              rcs = rcs.find(name, option);
              
              if (rcs.is_valid()) {
                return rcs;
              }
            }
          }
        }
      }
 
      return JRootClass();  // invalid value
    }

get() [1/2]

JRootClass JROOT::JRootClass::get ( const TDataMember & object ) const

inline

Get ROOT class of given data member.

Parameters

object

data member

Returns

ROOT class

Definition at line 207 of file JRootClass.hh.

    {
      return JRootClass(TDictionary::GetDictionary(object.GetTypeName()), 
                        this->getOffset() + object.GetOffset());
    }

get() [2/2]

JRootClass JROOT::JRootClass::get ( const TBaseClass & object ) const

inline

Get ROOT class of given base class.

Parameters

object

base class

Returns

ROOT class

Definition at line 220 of file JRootClass.hh.

    {
      return JRootClass(TDictionary::GetDictionary(object.GetName()),
                        this->getOffset() + const_cast<TBaseClass&>(object).GetDelta());
    }

print() [1/3]

void JROOT::JRootClass::print ( std::ostream & out ) const

inline

Print ROOT class information.

Parameters

out	output stream

Definition at line 232 of file JRootClass.hh.

    {
      print(out, getTypename());
    }

print() [2/3]

void JROOT::JRootClass::print ( std::ostream & out, const std::string & prefix ) const

inlineprotected

Print ROOT class information.

Parameters

out	output stream
prefix	prefix

Definition at line 259 of file JRootClass.hh.

    {
      if (this->is_valid()) {
 
        print(out, prefix, this->getTypename());
 
        if (this->getClass() != NULL) {
 
          for (TIter next(this->getClass()->GetListOfBases()); const TBaseClass *p = (const TBaseClass*) next(); ) {
            if (!JRoot::is_STLcontainer(*p))
              this->get(*p).print(out, prefix + "::" + p->GetName());
            else
              print(out, prefix + "::" + p->GetName(), this->get(*p).getTypename());
          }
          
          for (TIter next(this->getClass()->GetListOfDataMembers(kFALSE)); const TDataMember *p = (const TDataMember*) next(); ) {
            if (!JRoot::is_STLstring(*p) && !JRoot::is_STLcontainer(*p))
              this->get(*p).print(out, prefix + (JRoot::is_static(*p) ?  "::" : ".") + p->GetName());
            else
              print(out, prefix + (JRoot::is_static(*p) ?  "::" : ".") + p->GetName(), this->get(*p).getTypename());
          }
        }
      }
    }

print() [3/3]

static void JROOT::JRootClass::print ( std::ostream & out, const std::string & name, const std::string & type )

inlinestaticprotected

Print ROOT class information.

Parameters

out	output stream
name	name
type	type

Definition at line 292 of file JRootClass.hh.

    {
      using namespace std; 
 
      out << name << "  " << '(' << type << ')' << endl;
    }

Member Data Documentation

dictionary

TDictionary* JROOT::JRootClass::dictionary

protected

pointer to ROOT dictionary

Definition at line 240 of file JRootClass.hh.

offset

int JROOT::JRootClass::offset

protected

offset with respect to data structure [B]

Definition at line 241 of file JRootClass.hh.

---

The documentation for this struct was generated from the following file:

• JRootClass.hh