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// file : cutl/fs/path.txx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
// license : MIT; see accompanying LICENSE file
namespace cutl
{
namespace fs
{
template <typename C>
basic_path<C> basic_path<C>::
leaf () const
{
size_type n (path_.size ()), i (n);
for (; i > 0; --i)
{
if (path_[i - 1] == '/' || path_[i - 1] == '\\')
break;
}
return i != 0 ? basic_path (path_.c_str () + i, n - i) : *this;
}
template <typename C>
basic_path<C> basic_path<C>::
directory () const
{
size_type i (path_.size ());
for (; i > 0; --i)
{
if (path_[i - 1] == '/' || path_[i - 1] == '\\')
break;
}
return i != 0 ? basic_path (path_.c_str (), i - 1) : *this;
}
template <typename C>
basic_path<C> basic_path<C>::
base () const
{
size_type i (path_.size ());
for (; i > 0; --i)
{
if (path_[i - 1] == '.')
break;
if (path_[i - 1] == '/' || path_[i - 1] == '\\')
{
i = 0;
break;
}
}
// Weed out paths like ".txt" and "/.txt"
//
if (i > 1 && path_[i - 2] != '/' && path_[i - 2] != '\\')
{
return basic_path (path_.c_str (), i - 1);
}
else
return *this;
}
template <typename C>
basic_path<C> basic_path<C>::
operator/ (basic_path<C> const& r)
{
if (r.path_.empty ())
throw invalid_basic_path<C> (r.path_);
basic_path<C> x (*this);
x.path_ += '/';
x.path_ += r.path_;
return x;
}
template <typename C>
void basic_path<C>::
init (bool internal)
{
if (!internal && path_.empty ())
throw invalid_basic_path<C> (path_);
// Strip trailing slashes. This way empty string represents
// root directory.
//
size_type n (path_.size ());
for (; n > 0 && (path_[n - 1] == '/' || path_[n - 1] == '\\'); --n) ;
path_.resize (n);
}
}
}
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