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-rw-r--r--libcutl/cutl/fs/path.cxx115
1 files changed, 115 insertions, 0 deletions
diff --git a/libcutl/cutl/fs/path.cxx b/libcutl/cutl/fs/path.cxx
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+++ b/libcutl/cutl/fs/path.cxx
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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
+ }
+ }
+}