stl_vector

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_rroot_stl_vector
#define tools_rroot_stl_vector
 
#include "buffer"
#include "cids"
 
#include "../stype"
#include "../scast"
#include "../cids"
 
namespace tools {
namespace rroot {
 
template <class T>
class stl_vector : public virtual iro, public std::vector<T> {
  static const std::string& s_store_class() {
    static const std::string s_v("vector<"+stype(T())+">");
    return s_v;
  }
public:
  static const std::string& s_class() {
    static const std::string s_v("tools::rroot::stl_vector<"+stype(T())+">");
    return s_v;
  }
public: //iro
  virtual void* cast(const std::string& a_class) const {
    if(void* p = cmp_cast< stl_vector<T> >(this,a_class)) return p;
    return 0;
  }
  virtual const std::string& s_cls() const {return s_class();}
public:
  static cid id_class() {return stl_vector_cid()+_cid(T());}
  virtual void* cast(cid a_class) const {
    if(void* p = cmp_cast< stl_vector<T> >(this,a_class)) {return p;}
    return 0;
  }
  virtual iro* copy() const {return new stl_vector<T>(*this);}
  virtual bool stream(buffer& a_buffer) {
    std::vector<T>::clear();
 
    short v;
    unsigned int s, c;
    if(!a_buffer.read_version(v,s,c)) return false;
 
    //::printf("debug : stl_vector::stream<%s> : version %d, byte count %d\n",
    //   stype(T()).c_str(),v,c);
 
    unsigned int num;
    if(!a_buffer.read(num)) return false;
 
    //::printf("debug : stl_vector : %d\n",num);
 
    if(num) {
      T* vec = new T[num];
      if(!a_buffer.read_fast_array<T>(vec,num)) {
        delete [] vec;
        return false;
      }
      std::vector<T>::resize(num);
      T* pos = vec;
      for(unsigned int index=0;index<num;index++,pos++) {
        std::vector<T>::operator[](index) = *pos;
      }
      delete [] vec;
    }
 
    return a_buffer.check_byte_count(s,c,s_store_class());
  }
public:
  stl_vector(){
#ifdef TOOLS_MEM
    mem::increment(s_class().c_str());
#endif
  }
  virtual ~stl_vector(){
#ifdef TOOLS_MEM
    mem::decrement(s_class().c_str());
#endif
  }
public:
  stl_vector(const stl_vector& a_from)
  :iro(a_from)
  ,std::vector<T>(a_from)
  {
#ifdef TOOLS_MEM
    mem::increment(s_class().c_str());
#endif
  }
  stl_vector& operator=(const stl_vector& a_from){
    std::vector<T>::operator=(a_from);
    return *this;
  }
};
 
template <class T>
class stl_vector_vector
:public virtual iro
,public std::vector< std::vector<T> >
{
  static const std::string& s_store_class() {
    static const std::string s_v("vector<vector<"+stype(T())+"> >");
    return s_v;
  }
public:
  static const std::string& s_class() {
    static const std::string s_v
      ("tools::rroot::stl_vector_vector<"+stype(T())+">");
    return s_v;
  }
public: //iro
  virtual void* cast(const std::string& a_class) const {
    if(void* p=cmp_cast< stl_vector_vector<T> >(this,a_class)) return p;
    return 0;
  }
  virtual const std::string& s_cls() const {return s_class();}
public:
  static cid id_class() {return stl_vector_vector_cid()+_cid(T());}
  virtual void* cast(cid a_class) const {
    if(void* p = cmp_cast< stl_vector_vector<T> >(this,a_class)) {return p;}
    return 0;
  }
  virtual iro* copy() const {return new stl_vector_vector<T>(*this);}
  virtual bool stream(buffer& a_buffer) {
    typedef typename std::vector<T> vec_t;
    std::vector<vec_t>::clear();
 
    short v;
    unsigned int s, c;
    if(!a_buffer.read_version(v,s,c)) return false;
 
    //::printf("debug : stl_vector_vector::stream<%s> : version %d, byte count %d\n",stype(T()).c_str(),v,c);
 
    unsigned int vecn;
    if(!a_buffer.read(vecn)) return false;
 
    std::vector<vec_t>::resize(vecn);
    //::printf("debug : stl_vector_vector : %d\n",vecn);
    for(unsigned int veci=0;veci<vecn;veci++) {
      vec_t& elem = std::vector<vec_t>::operator[](veci);
 
      unsigned int num;
      if(!a_buffer.read(num)) {
        std::vector<vec_t>::clear();
        return false;
      }
      //::printf("debug : stl_vector_vector :   index %d num %d\n",veci,num);
      if(num) {
        T* vec = new T[num];
        if(!a_buffer.read_fast_array<T>(vec,num)) {
          delete [] vec;
          std::vector<vec_t>::clear();
          return false;
        }
        elem.resize(num);
        T* pos = vec;
        for(unsigned int index=0;index<num;index++,pos++) elem[index] = *pos;
        delete [] vec;
      }
    }
 
    return a_buffer.check_byte_count(s,c,s_store_class());
  }
public:
  stl_vector_vector(){
#ifdef TOOLS_MEM
    mem::increment(s_class().c_str());
#endif
  }
  virtual ~stl_vector_vector(){
#ifdef TOOLS_MEM
    mem::decrement(s_class().c_str());
#endif
  }
public:
  stl_vector_vector(const stl_vector_vector& a_from)
  :iro(a_from)
  ,std::vector< std::vector<T> >(a_from)
  {
#ifdef TOOLS_MEM
    mem::increment(s_class().c_str());
#endif
  }
  stl_vector_vector& operator=(const stl_vector_vector& a_from){
    std::vector< std::vector<T> >::operator=(a_from);
    return *this;
  }
};
 
class stl_vector_string : public virtual iro, public std::vector<std::string> {
  static const std::string& s_store_class() {
    static const std::string s_v("vector<string>");
    return s_v;
  }
public:
  static const std::string& s_class() {
    static const std::string s_v("tools::rroot::stl_vector_string");
    return s_v;
  }
public: //iro
  virtual void* cast(const std::string& a_class) const {
    if(void* p = cmp_cast<stl_vector_string>(this,a_class)) return p;
    return 0;
  }
  virtual const std::string& s_cls() const {return s_class();}
public:
  static cid id_class() {return stl_vector_string_cid();}
  virtual void* cast(cid a_class) const {
    if(void* p = cmp_cast<stl_vector_string>(this,a_class)) {return p;}
    return 0;
  }
  virtual iro* copy() const {return new stl_vector_string(*this);}
  virtual bool stream(buffer& a_buffer) {
    std::vector<std::string>::clear();
 
    //uint32 startpos = a_buffer.length();
 
    //WARNING : not tested yet.
 
    short v;
    unsigned int s, c;
    if(!a_buffer.read_version(v,s,c)) return false;
 
    //::printf("debug : stl_vector_string::stream : version %d, byte count %d\n",v,c);
 
    unsigned int num;
    if(!a_buffer.read(num)) return false;
 
    //::printf("debug : stl_vector_string : %d\n",num);
 
    std::vector<std::string>::resize(num);
    for(unsigned int index=0;index<num;index++) {
      std::string& vs = std::vector<std::string>::operator[](index);
      if(!a_buffer.read(vs)) {
        std::vector<std::string>::clear();
        return false;
      }
    }
 
    //a_buffer.set_offset(startpos+c+sizeof(unsigned int));
 
    return a_buffer.check_byte_count(s,c,s_store_class());
  }
public:
  stl_vector_string(){
#ifdef TOOLS_MEM
    mem::increment(s_class().c_str());
#endif
  }
  virtual ~stl_vector_string(){
#ifdef TOOLS_MEM
    mem::decrement(s_class().c_str());
#endif
  }
public:
  stl_vector_string(const stl_vector_string& a_from)
  :iro(a_from)
  ,std::vector<std::string>(a_from)
  {
#ifdef TOOLS_MEM
    mem::increment(s_class().c_str());
#endif
  }
  stl_vector_string& operator=(const stl_vector_string& a_from){
    std::vector<std::string>::operator=(a_from);
    return *this;
  }
};
 
}}
 
#endif