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// file : cutl/fs/path.cxx
// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
// license : MIT; see accompanying LICENSE file
#ifdef _WIN32
# include <stdlib.h> // _MAX_PATH
# include <direct.h> // _[w]getcwd, _[w]chdir
#else
# include <stdlib.h> // mbstowcs, wcstombs
# include <limits.h> // PATH_MAX
# include <unistd.h> // getcwd, chdir
#endif
#include <cutl/fs/path.hxx>
namespace cutl
{
namespace fs
{
char const* invalid_path_base::
what () const throw ()
{
return "invalid filesystem path";
}
//
// char
//
template <>
basic_path<char> basic_path<char>::
current ()
{
#ifdef _WIN32
char cwd[_MAX_PATH];
if(_getcwd(cwd, _MAX_PATH) == 0)
throw invalid_basic_path<char> (".");
#else
char cwd[PATH_MAX];
if (getcwd (cwd, PATH_MAX) == 0)
throw invalid_basic_path<char> (".");
#endif
return basic_path<char> (cwd);
}
template <>
void basic_path<char>::
current (basic_path const& p)
{
string_type const& s (p.string ());
if (p.empty ())
throw invalid_basic_path<char> (s);
#ifdef _WIN32
if(_chdir(s.c_str ()) != 0)
throw invalid_basic_path<char> (s);
#else
if (chdir (s.c_str ()) != 0)
throw invalid_basic_path<char> (s);
#endif
}
//
// wchar_t
//
template <>
basic_path<wchar_t> basic_path<wchar_t>::
current ()
{
#ifdef _WIN32
wchar_t wcwd[_MAX_PATH];
if(_wgetcwd(wcwd, _MAX_PATH) == 0)
throw invalid_basic_path<wchar_t> (L".");
#else
char cwd[PATH_MAX];
if (getcwd (cwd, PATH_MAX) == 0)
throw invalid_basic_path<wchar_t> (L".");
wchar_t wcwd[PATH_MAX];
if (mbstowcs (wcwd, cwd, PATH_MAX) == size_type (-1))
throw invalid_basic_path<wchar_t> (L".");
#endif
return basic_path<wchar_t> (wcwd);
}
template <>
void basic_path<wchar_t>::
current (basic_path const& p)
{
string_type const& s (p.string ());
if (p.empty ())
throw invalid_basic_path<wchar_t> (s);
#ifdef _WIN32
if(_wchdir(s.c_str ()) != 0)
throw invalid_basic_path<wchar_t> (s);
#else
char ns[PATH_MAX + 1];
if (wcstombs (ns, s.c_str (), PATH_MAX) == size_type (-1))
throw invalid_basic_path<wchar_t> (s);
ns[PATH_MAX] = '\0';
if (chdir (ns) != 0)
throw invalid_basic_path<wchar_t> (s);
#endif
}
}
}
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