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geant4/source/analysis/g4tools/include/tools/rroot/branch_element
T
2016-12-09 12:35:28 +01:00

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
#ifndef tools_rroot_branch_element
#define tools_rroot_branch_element
#include "branch"
namespace tools {
namespace rroot {
class branch_element : public branch {
typedef branch parent;
public:
static const std::string& s_class() {
static const std::string s_v("tools::rroot::branch_element");
return s_v;
}
public: //iro
virtual void* cast(const std::string& a_class) const {
if(void* p = cmp_cast<branch_element>(this,a_class)) return p;
return parent::cast(a_class);
}
virtual const std::string& s_cls() const {return s_class();}
public:
static cid id_class() {return branch_element_cid();}
virtual void* cast(cid a_class) const {
if(void* p = cmp_cast<branch_element>(this,a_class)) {return p;}
return parent::cast(a_class);
}
public:
virtual bool stream(buffer& a_buffer) {
short v;
unsigned int s, c;
if(!a_buffer.read_version(v,s,c)) return false;
if(!parent::stream(a_buffer)) return false;
if(v<=7) {
if(!a_buffer.read(fClassName)) return false;
if(!a_buffer.read(fClassVersion)) return false;
if(!a_buffer.read(fID)) return false;
if(!a_buffer.read(fType)) return false;
if(!a_buffer.read(fStreamerType)) return false;
} else { //v>=8
if(!a_buffer.read(fClassName)) return false;
std::string fParentName;
if(!a_buffer.read(fParentName)) return false;
std::string fCloneName;
if(!a_buffer.read(fCloneName)) return false;
int dummy_int;
if(!a_buffer.read(dummy_int)) return false; //fCheckSum
if(!a_buffer.read(dummy_int)) return false; //fClassVersion
if(!a_buffer.read(fID)) return false;
if(!a_buffer.read(fType)) return false;
if(!a_buffer.read(fStreamerType)) return false;
if(!a_buffer.read(dummy_int)) return false; //fMaximum
//TBranchElement* fBranchCount;
if(!dummy_TXxx_pointer_stream(a_buffer,m_fac)) {
m_out << "tools::rroot::base_element::stream : "
<< "can't read fBranchCount."
<< std::endl;
return false;
}
//TBranchElement* fBranchCount2;
if(!dummy_TXxx_pointer_stream(a_buffer,m_fac)) {
m_out << "tools::rroot::base_element::stream : "
<< "can't read fBranchCount2."
<< std::endl;
return false;
}
}
if(!a_buffer.check_byte_count(s,c,"TBranchElement")) return false;
return true;
}
public: //branch
virtual bool read_leaves(buffer& a_buffer){
// read object ?
if(!m_obj) {
ifac::args args;
m_obj = m_fac.create(fClassName,args);
if(!m_obj) return false;
}
if(!m_obj->stream(a_buffer)){
m_out << "tools::rroot::branch_element::read_leaves :"
<< " name " << m_name << " ref_cls " << fClassName << " :"
<< " obj stream failed."
<< std::endl;
return false;
}
return true;
/*
///////////////////////////////////////////////////////
/// STL container /////////////////////////////////////
///////////////////////////////////////////////////////
if(fType==4) {
// STL container master branch (has only the number of elements).
//from v4-00-01
int n;
if(!a_buffer.read(n)) return false;
//fNdata = n;
m_out << "tools::rroot::branch_element::read_leaves :"
<< " name " << m_name << " ref_cls " << fClassName
<< " : type " << fType << " not treated."
<< std::endl;
return false;
} else if(fType==41) {
// STL container sub-branch (contains the elements).
m_out << "tools::rroot::branch_element::read_leaves :"
<< " name " << m_name << " ref_cls " << fClassName
<< " : type " << fType << " not treated."
<< std::endl;
return false;
///////////////////////////////////////////////////////
/// TClonesArray container ////////////////////////////
///////////////////////////////////////////////////////
} else if(fType==3) {
// TClonesArray master branch (has only the number of elements).
//from v4-00-01
int n;
if(!a_buffer.read(n)) return false;
//fNdata = n;
//TClonesArray *clones = (TClonesArray*)fObject;
//if (!clones) return;
//if (clones->IsZombie()) return;
//clones->Clear();
//clones->ExpandCreateFast(fNdata);
m_out << "tools::rroot::branch_element::read_leaves :"
<< " name " << m_name << " ref_cls " << fClassName
<< " : type " << fType << " not treated."
<< std::endl;
return false;
} else if(fType==31) {
// TClonesArray sub-branch (contains the elements).
m_out << "tools::rroot::branch_element::read_leaves :"
<< " name " << m_name << " ref_cls " << fClassName
<< " : type " << fType << " not treated."
<< std::endl;
return false;
///////////////////////////////////////////////////////
///////////////////////////////////////////////////////
///////////////////////////////////////////////////////
} else if(fType<=2) {
// branch in split mode
//from v4-00-01
//if (fBranchCount) fNdata = (Int_t)fBranchCount->GetValue(0,0);
//else fNdata = 1;
//if (!fInfo) return;
//fInfo->ReadBuffer(b,fObject,fID);
//if (fStreamerType == 6) fNdata = (Int_t)GetValue(0,0);
//from 3.0.06
//if (fID >= 0) {
// fInfo->ReadBuffer(b,fAddress,fID);
//} else if (fID == -1) { // top level branch in non split mode
// char **ppointer = (char**)fAddress;
// fInfo->ReadBuffer(b,*ppointer,fID);
//}
//m_out << "tools::rroot::branch_element::read_leaves :"
// << " name " << m_name << " ref_cls " << fClassName << " :"
// << " type " << fType << " with ID " << fID << "."
// << " and then ?"
// << std::endl;
// read object ?
if(!m_obj) {
ifac::args args;
m_obj = m_fac.create(fClassName,args);
if(!m_obj) return false;
}
if(!m_obj->stream(a_buffer)){
m_out << "tools::rroot::branch_element::read_leaves :"
<< " name " << m_name << " ref_cls " << fClassName << " :"
<< " obj stream failed."
<< std::endl;
return false;
}
//m_out << "tools::rroot::branch_element::read_leaves :"
// << " name " << m_name << " ref_cls " << fClassName << " :"
// << " obj streamed."
// << std::endl;
return true;
// } else if(fType==0) {
// if(fID>=0) {
// // branch in split mode
// m_out << "tools::rroot::branch_element::read_leaves :"
// << " name " << m_name << " ref_cls " << fClassName << " :"
// << " type 0 with ID " << fID << "."
// << std::endl;
// return true;
//
// } else if(fID==-1) {
// // top level branch in non split mode
// m_out << "tools::rroot::branch_element::read_leaves :"
// << " name " << m_name << " ref_cls " << fClassName << " :"
// << " type 0 with ID " << fID
// << " : fill object."
// << std::endl;
// if(!m_obj) {
// m_out << "tools::rroot::branch_element::read_leaves :"
// << " name " << m_name << " ref_cls " << fClassName << " :"
// << " m_obj is null."
// << std::endl;
// return false;
// }
// if(!m_obj->stream(a_buffer)){
// m_out << "tools::rroot::branch_element::read_leaves :"
// << " name " << m_name << " ref_cls " << fClassName << " :"
// << " obj stream failed."
// << std::endl;
// return false;
// }
// return true;
// } else {
// m_out << "tools::rroot::branch_element::read_leaves :"
// << " name " << m_name << " ref_cls " << fClassName << " :"
// << " type 0 with ID " << fID << " not treated."
// << std::endl;
// return false;
// }
// //LHCb files :
// } else if(fType==1) {
// // parent branch is a base class branch.
// // Ok, and then ?
// m_out << "tools::rroot::branch_element::read_leaves :"
// << " name " << m_name << " ref_cls " << fClassName << " :"
// << " type " << fType << " with ID " << fID << "."
// << std::endl;
// return true;
} else {
m_out << "tools::rroot::branch_element::read_leaves :"
<< " name " << m_name << " ref_cls " << fClassName << " :"
<< " type " << fType << " with ID " << fID << "."
<< " unknown case."
<< std::endl;
return false;
}
*/
}
virtual bool find_entry(ifile& a_file,uint32 a_entry,uint32& a_nbytes){
//The below line will call the upper read_leaves.
if(!parent::find_entry(a_file,a_entry,a_nbytes)) return false;
if(m_branches.size()) {
//if(!m_obj) {
// m_obj = m_fac.create(fClassName);
// if(!m_obj) return false;
//}
tools_vforcit(branch*,m_branches,it) {
uint32 n;
if(!(*it)->find_entry(a_file,a_entry,n)) return false;
a_nbytes += n;
}
}
return true;
}
virtual bool show(std::ostream& a_out,ifile& a_file,uint32 a_entry){
uint32 n;
if(!find_entry(a_file,a_entry,n)) return false;
{std::string s;
uint32 len = uint32(name().size())+128;
sprintf(s,len," %-15s = ",name().c_str());
a_out << s;}
a_out << m_obj << std::endl;
return true;
//return parent::show(a_out,a_file,a_entry);
}
public:
branch_element(std::ostream& a_out,ifac& a_fac)
:parent(a_out,a_fac)
,m_obj(0)
,fClassVersion(0)
,fID(0)
,fType(0)
,fStreamerType(-1)
{}
virtual ~branch_element(){delete m_obj;}
protected:
branch_element(const branch_element& a_from)
:iro(a_from),parent(a_from){}
branch_element& operator=(const branch_element&){return *this;}
public:
const std::string& class_name() const {return fClassName;}
int type() const {return fType;}
int streamer_type() const {return fStreamerType;}
int id() const {return fID;}
iro* object() {return m_obj;}
protected:
iro* m_obj;
protected:
std::string fClassName; //Class name of referenced object
int fClassVersion; //Version number of class
int fID; //element serial number in fInfo
int fType; //branch type
int fStreamerType; //branch streamer type
};
}}
#endif