Gabriele Cosmo
358 lines
11 KiB
Plaintext
358 lines
11 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_wroot_ntuple
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#define tools_wroot_ntuple
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// An ntuple class to write at the CERN-ROOT format.
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// It inherits wroot::tree and each column is mapped
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// on a wroot::branch. Each add_row() does a tree::fill().
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#include "tree"
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#include "../vfind"
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#include "../vmanip"
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#include "../ntuple_booking"
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#include "../sout"
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#include "../scast"
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#include "../forit"
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namespace tools {
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namespace wroot {
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class ntuple : public tree {
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public:
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class icol {
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public:
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virtual ~icol(){}
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public:
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virtual void* cast(cid) const = 0;
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virtual cid id_cls() const = 0;
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public:
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virtual void add() = 0;
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virtual void set_def() = 0;
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virtual const std::string& name() const = 0;
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virtual void set_basket_size(uint32) = 0;
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};
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public:
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template <class T>
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class column : public virtual icol {
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public:
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static cid id_class() {
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static const T s_v = T(); //do that for T = std::string.
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return _cid(s_v);
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}
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virtual void* cast(cid a_class) const {
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if(void* p = cmp_cast<column>(this,a_class)) {return p;}
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else return 0;
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}
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virtual cid id_cls() const {return id_class();}
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public: //icol
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virtual void add() {m_leaf->fill(m_tmp);}
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virtual void set_def() {m_tmp = m_def;}
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virtual const std::string& name() const {return m_leaf->name();}
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virtual void set_basket_size(uint32 a_size) {
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m_leaf->branch().set_basket_size(a_size);
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}
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public:
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column(tree& a_tree,const std::string& a_name,const T& a_def)
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:m_tree(a_tree),m_leaf(0)
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,m_def(a_def),m_tmp(a_def)
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{
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branch* br = m_tree.create_branch(a_name);
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m_leaf = br->create_leaf<T>(a_name,a_name);
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}
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virtual ~column(){}
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protected:
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column(const column& a_from)
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:icol(a_from)
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,m_tree(a_from.m_tree)
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,m_leaf(0)
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,m_def(a_from.m_def)
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,m_tmp(a_from.m_tmp)
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{}
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column& operator=(const column& a_from){
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if(&a_from==this) return *this;
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m_leaf = 0;
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m_def = a_from.m_def;
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m_tmp = a_from.m_tmp;
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return *this;
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}
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public:
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bool fill(const T& a_value) {m_tmp = a_value;return true;}
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protected:
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tree& m_tree;
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leaf<T>* m_leaf;
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T m_def;
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T m_tmp;
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};
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class column_string : public virtual icol {
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public:
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static cid id_class() {
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static const std::string s_v;
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return _cid(s_v);
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}
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virtual void* cast(cid a_class) const {
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if(void* p = cmp_cast<column_string>(this,a_class)) {return p;}
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else return 0;
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}
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virtual cid id_cls() const {return id_class();}
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public: //icol
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virtual void add() {m_leaf->fill(m_tmp);}
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virtual void set_def() {m_tmp = m_def;}
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virtual const std::string& name() const {return m_leaf->name();}
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virtual void set_basket_size(uint32 a_size) {
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m_leaf->branch().set_basket_size(a_size);
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}
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public:
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column_string(tree& a_tree,const std::string& a_name,const std::string& a_def)
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:m_tree(a_tree),m_leaf(0)
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,m_def(a_def),m_tmp(a_def)
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{
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branch* br = m_tree.create_branch(a_name);
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m_leaf = br->create_leaf_string(a_name,a_name);
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}
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virtual ~column_string(){}
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protected:
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column_string(const column_string& a_from)
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:icol(a_from)
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,m_tree(a_from.m_tree)
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,m_leaf(0)
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,m_def(a_from.m_def)
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,m_tmp(a_from.m_tmp)
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{}
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column_string& operator=(const column_string& a_from){
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if(&a_from==this) return *this;
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m_leaf = 0;
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m_def = a_from.m_def;
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m_tmp = a_from.m_tmp;
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return *this;
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}
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public:
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bool fill(const std::string& a_value) {m_tmp = a_value;return true;}
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protected:
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tree& m_tree;
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leaf_string* m_leaf;
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std::string m_def;
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std::string m_tmp;
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};
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template <class T>
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class std_vector_column : public virtual icol {
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public:
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static cid id_class() {return _cid_std_vector<T>();}
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virtual void* cast(cid a_class) const {
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if(void* p = cmp_cast<std_vector_column>(this,a_class)) {return p;}
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else return 0;
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}
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virtual cid id_cls() const {return id_class();}
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public: //icol
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virtual void add() {}
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virtual void set_def() {}
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virtual const std::string& name() const {return m_leaf->name();}
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virtual void set_basket_size(uint32 a_size) {
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m_leaf->branch().set_basket_size(a_size);
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}
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public:
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std_vector_column(tree& a_tree,const std::string& a_name,std::vector<T>& a_user_vec)
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:m_tree(a_tree)
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,m_user_vec(a_user_vec)
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,m_leaf(0)
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{
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std_vector_be<T>* br = m_tree.create_std_vector_be<T>(a_name,m_user_vec);
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m_leaf = br->create_leaf_element(a_name,a_name);
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}
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virtual ~std_vector_column(){}
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protected:
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std_vector_column(const std_vector_column& a_from)
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:icol(a_from)
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,m_tree(a_from.m_tree)
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,m_user_vec(a_from.m_user_vec)
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,m_leaf(0)
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{}
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std_vector_column& operator=(const std_vector_column& a_from){
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if(&a_from==this) return *this;
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m_leaf = 0;
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return *this;
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}
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protected:
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tree& m_tree;
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std::vector<T>& m_user_vec;
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leaf_element* m_leaf;
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};
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public:
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ntuple(idir& a_dir,const std::string& a_name,const std::string& a_title)
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:tree(a_dir,a_name,a_title){}
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ntuple(idir& a_dir,const ntuple_booking& a_bkg)
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:tree(a_dir,a_bkg.name(),a_bkg.title()){
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const std::vector<column_booking>& cols = a_bkg.columns();
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tools_vforcit(column_booking,cols,it){
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if((*it).cls_id()==_cid(char(0))) {
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create_column<char>((*it).name());
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} else if((*it).cls_id()==_cid(short(0))) {
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create_column<short>((*it).name());
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} else if((*it).cls_id()==_cid(int(0))) {
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create_column<int>((*it).name());
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} else if((*it).cls_id()==_cid(float(0))) {
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create_column<float>((*it).name());
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} else if((*it).cls_id()==_cid(double(0))) {
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create_column<double>((*it).name());
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} else if((*it).cls_id()==_cid(std::string())) {
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create_column_string((*it).name());
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} else if((*it).cls_id()==_cid_std_vector<char>()) {
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std::vector<char>* vec = (std::vector<char>*)(*it).user_obj();
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if(vec) {
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create_column<char>((*it).name(),*vec);
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} else {
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m_out << "tools::wroot::ntuple :"
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<< " for std::vector column " << sout((*it).name())
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<< ", the user vector pointer is null."
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<< std::endl;
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tools::clear<icol>(m_cols);
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tools::clear<branch>(m_branches);
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return;
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}
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} else if((*it).cls_id()==_cid_std_vector<short>()) {
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std::vector<short>* vec = (std::vector<short>*)(*it).user_obj();
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if(vec) {
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create_column<short>((*it).name(),*vec);
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} else {
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m_out << "tools::wroot::ntuple :"
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<< " for std::vector column " << sout((*it).name())
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<< ", the user vector pointer is null."
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<< std::endl;
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tools::clear<icol>(m_cols);
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tools::clear<branch>(m_branches);
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return;
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}
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} else if((*it).cls_id()==_cid_std_vector<int>()) {
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std::vector<int>* vec = (std::vector<int>*)(*it).user_obj();
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if(vec) {
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create_column<int>((*it).name(),*vec);
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} else {
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m_out << "tools::wroot::ntuple :"
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<< " for std::vector column " << sout((*it).name())
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<< ", the user vector pointer is null."
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<< std::endl;
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tools::clear<icol>(m_cols);
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tools::clear<branch>(m_branches);
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return;
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}
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} else if((*it).cls_id()==_cid_std_vector<float>()) {
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std::vector<float>* vec = (std::vector<float>*)(*it).user_obj();
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if(vec) {
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create_column<float>((*it).name(),*vec);
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} else {
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m_out << "tools::wroot::ntuple :"
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<< " for std::vector column " << sout((*it).name())
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<< ", the user vector pointer is null."
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<< std::endl;
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tools::clear<icol>(m_cols);
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tools::clear<branch>(m_branches);
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return;
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}
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} else if((*it).cls_id()==_cid_std_vector<double>()) {
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std::vector<double>* vec = (std::vector<double>*)(*it).user_obj();
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if(vec) {
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create_column<double>((*it).name(),*vec);
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} else {
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m_out << "tools::wroot::ntuple :"
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<< " for std::vector column " << sout((*it).name())
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<< ", the user vector pointer is null."
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<< std::endl;
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tools::clear<icol>(m_cols);
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tools::clear<branch>(m_branches);
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return;
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}
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// no leaf_store_class() defined for the other types.
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} else {
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m_out << "tools::wroot::ntuple :"
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<< " for column " << sout((*it).name())
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<< ", type with cid " << (*it).cls_id() << " not yet handled."
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<< std::endl;
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//throw
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tools::clear<icol>(m_cols);
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tools::clear<branch>(m_branches);
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return;
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}
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}
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}
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virtual ~ntuple() {
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tools::clear<icol>(m_cols);
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}
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protected:
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ntuple(const ntuple& a_from)
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:iobject(a_from),itree(a_from),tree(a_from)
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{}
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ntuple& operator=(const ntuple&){return *this;}
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public:
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const std::vector<icol*>& columns() const {return m_cols;}
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template <class T>
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column<T>* create_column(const std::string& a_name,const T& a_def = T()) {
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if(find_named<icol>(m_cols,a_name)) return 0;
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column<T>* col = new column<T>(*this,a_name,a_def);
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if(!col) return 0;
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m_cols.push_back(col);
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return col;
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}
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column_string* create_column_string(const std::string& a_name,const std::string& a_def = std::string()) {
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if(find_named<icol>(m_cols,a_name)) return 0;
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column_string* col = new column_string(*this,a_name,a_def);
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if(!col) return 0;
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m_cols.push_back(col);
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return col;
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}
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template <class T>
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std_vector_column<T>* create_column(const std::string& a_name,std::vector<T>& a_user_vec) {
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//NOTE : to optimize, we do not handle a default std::vector value logic.
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if(find_named<icol>(m_cols,a_name)) return 0;
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std_vector_column<T>* col = new std_vector_column<T>(*this,a_name,a_user_vec);
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if(!col) return 0;
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m_cols.push_back(col);
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return col;
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}
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template <class T>
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column<T>* find_column(const std::string& a_name) {
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icol* col = find_named<icol>(m_cols,a_name);
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if(!col) return 0;
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return id_cast<icol, column<T> >(*col);
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}
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column_string* find_column_string(const std::string& a_name) {
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icol* col = find_named<icol>(m_cols,a_name);
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if(!col) return 0;
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return id_cast<icol, column_string >(*col);
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}
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bool add_row() {
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if(m_cols.empty()) return false;
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tools_vforit(icol*,m_cols,it) (*it)->add();
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uint32 n;
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bool status = tree::fill(n);
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tools_vforit(icol*,m_cols,it) (*it)->set_def();
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return status;
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}
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void set_basket_size(uint32 a_size) {
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tools_vforit(icol*,m_cols,it) (*it)->set_basket_size(a_size);
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}
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protected:
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std::vector<icol*> m_cols;
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};
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}}
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#endif
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