JROOT::JRootAddressableClass< JPointer_t > Struct Template Reference

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

#include <JRootClass.hh>

Inheritance diagram for JROOT::JRootAddressableClass< JPointer_t >:

Public Types
typedef JPointer_t	pointer_type
	Type definition of address.

Public Member Functions
template<class T >
	JRootAddressableClass (T &object)
	Constructor.
pointer_type	getAddress () const
	Get address.
bool	is_valid () const
	Check validity of this addressable class.
JRootAddressableClass	find (const char *const name) const
	Find addressable base class or data member with given name within current class.
JRootAddressableClass	get (const TDataMember &object) const
	Get addressable class of given data member.
JRootAddressableClass	get (const TBaseClass &object) const
	Get addressable class of given base class.
JRootAddressableClass	operator[] (const char *const name) const
	Find addressable base class or data member with given name within current class.
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	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.
void	print (std::ostream &out) const
	Print ROOT class information.

Protected Member Functions
	JRootAddressableClass ()
	Default constructor.
	JRootAddressableClass (const JRootClass &rc, pointer_type address)
	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
pointer_type	address
TDictionary *	dictionary
	pointer to ROOT dictionary
int	offset
	offset with respect to data structure [B]

Detailed Description

template<class JPointer_t>
struct JROOT::JRootAddressableClass< JPointer_t >

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

This class augments the class JRootClass with addressing capabilities.

Definition at line 383 of file JRootClass.hh.

Member Typedef Documentation

pointer_type

template<class JPointer_t >

JPointer_t JROOT::JRootAddressableClass< JPointer_t >::pointer_type

Type definition of address.

Definition at line 389 of file JRootClass.hh.

Constructor & Destructor Documentation

JRootAddressableClass() [1/3]

template<class JPointer_t >

template<class T >

JROOT::JRootAddressableClass< JPointer_t >::JRootAddressableClass ( T & object )

inline

Constructor.

Parameters

object

template object

Definition at line 397 of file JRootClass.hh.

                                     :
      JRootClass(JType<T>()),
      address((pointer_type) &object)
    {}

JRootAddressableClass() [2/3]

template<class JPointer_t >

JROOT::JRootAddressableClass< JPointer_t >::JRootAddressableClass ( )

inlineprotected

Default constructor.

Definition at line 505 of file JRootClass.hh.

                            :
      JRootClass(),
      address(NULL)
    {}

JRootAddressableClass() [3/3]

template<class JPointer_t >

JROOT::JRootAddressableClass< JPointer_t >::JRootAddressableClass ( const JRootClass & rc, pointer_type address )

inlineprotected

Constructor.

Parameters

rc	ROOT class
address	address

Definition at line 517 of file JRootClass.hh.

                                                                      :
      JRootClass(rc),
      address(address)
    {}

Member Function Documentation

getAddress()

template<class JPointer_t >

pointer_type JROOT::JRootAddressableClass< JPointer_t >::getAddress ( ) const

inline

Get address.

Returns

pointer to object

Definition at line 408 of file JRootClass.hh.

    {
      return this->address + getOffset();
    }

is_valid()

template<class JPointer_t >

bool JROOT::JRootAddressableClass< JPointer_t >::is_valid ( ) const

inline

Check validity of this addressable class.

Returns

true if valid addressable class; else false

Definition at line 419 of file JRootClass.hh.

    {
      return (JRootClass::is_valid() && this->address != NULL);
    }

find() [1/2]

template<class JPointer_t >

JRootAddressableClass JROOT::JRootAddressableClass< JPointer_t >::find ( const char *const name ) const

inline

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

Parameters

name	name of base class or data member

Returns

ROOT addressable class

Definition at line 431 of file JRootClass.hh.

    {
      return JRootAddressableClass(JRootClass::find(name), this->address);
    }

get() [1/2]

template<class JPointer_t >

JRootAddressableClass JROOT::JRootAddressableClass< JPointer_t >::get ( const TDataMember & object ) const

inline

Get addressable class of given data member.

Parameters

object

data member

Returns

ROOT addressable class

Definition at line 443 of file JRootClass.hh.

    {
      using namespace std;
 
      if (object.IsaPointer()) {
 
        char* po = NULL;
 
        memcpy(&po, this->getAddress() + object.GetOffset(), sizeof(char*));
 
        return JRootAddressableClass(JRootClass(TDictionary::GetDictionary(object.GetTypeName())), po);
 
      } else if (strstr(object.GetTypeName(), "unique_ptr") != NULL) {
 
        char* po = NULL;
 
        memcpy(&po, this->getAddress() + object.GetOffset(), sizeof(char*));
 
        string buffer(object.GetTypeName());
 
        const string::size_type il = buffer.find_first_of("<");
        const string::size_type ir = buffer.find_first_of(">,");
 
        buffer = buffer.substr(il + 1, ir - il - 1);
 
        return JRootAddressableClass(JRootClass(TDictionary::GetDictionary(buffer.c_str())), po);
 
      } else {
 
        return JRootAddressableClass(JRootClass::get(object), this->address);
      }
    }

get() [2/2]

template<class JPointer_t >

JRootAddressableClass JROOT::JRootAddressableClass< JPointer_t >::get ( const TBaseClass & object ) const

inline

Get addressable class of given base class.

Parameters

object

base class

Returns

ROOT addressable class

Definition at line 483 of file JRootClass.hh.

    {
      return JRootAddressableClass(JRootClass::get(object), this->address);
    }

operator[]()

template<class JPointer_t >

JRootAddressableClass JROOT::JRootAddressableClass< JPointer_t >::operator[] ( const char *const name ) const

inline

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

Parameters

name	name of base class or data member

Returns

ROOT addressable class

Definition at line 495 of file JRootClass.hh.

    {
      return this->find(name);
    }

getDictionary()

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

inlineinherited

Get dictionary.

Returns

pointer to dictionary

Definition at line 86 of file JRootClass.hh.

    {
      return dictionary;
    }

getOffset()

int JROOT::JRootClass::getOffset ( ) const

inlineinherited

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

inlineinherited

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

inlineinherited

Get type name.

Returns

type name

Definition at line 119 of file JRootClass.hh.

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

equals()

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

inlineinherited

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() [2/2]

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

inlineinherited

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
    }

print() [1/3]

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

inlineinherited

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

inlineprotectedinherited

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 )

inlinestaticprotectedinherited

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

address

template<class JPointer_t >

pointer_type JROOT::JRootAddressableClass< JPointer_t >::address

protected

Definition at line 522 of file JRootClass.hh.

dictionary

TDictionary* JROOT::JRootClass::dictionary

protectedinherited

pointer to ROOT dictionary

Definition at line 240 of file JRootClass.hh.

offset

int JROOT::JRootClass::offset

protectedinherited

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