strtok.cpp

#ifndef EXT_TOKH
#define EXT_TOKH

#include <string>
#include <vector>
#include <set>

namespace ext
{

template <class C/*ontainer*/>
class basetok:
    public C
{
public:
typedef C container_t;

template <class D/*elim*/>
    basetok(const D& delim, const typename C::value_type& str);
};

template <class C/*ontainer*/>
template <class D/*elim*/>
basetok<C>::basetok(const D& delim, const typename C::value_type& str)
{
for(size_t begin = 0, pos = 0; C::value_type::npos != pos; begin = pos + 1)
    {
    pos = str.find( delim, begin );
    std::insert_iterator<C>( *this, C::end() ) = str.substr( begin, pos - begin );
    }
}

template <class S = std::string>
class strtok:
    public basetok<std::vector<S> >
{
public:
template <class D/*elim*/>
inline  strtok(const D& delim, const S& str): basetok<std::vector<S> >( delim, str ) {}
};

template <class S = std::string>
class uniqtok:
    public basetok<std::set<S> >
{
public:
template <class D/*elim*/>
inline  uniqtok(const D& delim, const S& str): basetok<std::set<S> >( delim, str ) {}
};

} //namespace ext

#endif