1 files changed, 252 insertions, 0 deletions
diff --git a/directory.cpp b/directory.cpp
new file mode 100644
index 0000000..694bc8e
--- /dev/null
+++ b/directory.cpp
@@ -0,0 +1,252 @@
+// directory.cpp
+// Revision 9-jan-2005
+
+#include "directory.h"
+
+#include "error.h"
+#include "showerror.h"
+
+#include "trace.h"
+
+#include <stdio.h>
+#include <errno.h>
+
+// We use the unix style even on windows under cygwin.
+#if defined __unix__ || defined __linux__ || defined __NetBSD__ || \
+	defined __APPLE__
+#define USE_UNIX
+#endif
+
+#ifdef USE_UNIX
+
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/utsname.h>
+#include <glob.h>
+
+#else
+
+#include <windows.h>
+#include <dir.h>
+#include <dos.h>
+
+#ifdef __MINGW32__
+#include <io.h>
+#else
+using std::unlink;
+#endif
+
+#endif
+
+// ********************* Directory::Internal *************************
+
+class Directory::Internal {
+public:
+	Internal ();
+	~Internal ();
+	std::string findfirst (const std::string & str);
+	std::string findnext ();
+	void closesearch ();
+private:
+	Internal (const Internal &); // Forbidden
+	Internal & operator = (const Internal &); // Forbidden
+
+	bool finding;
+	#ifdef USE_UNIX
+	glob_t g;
+	size_t n;
+	#else
+	WIN32_FIND_DATA fd;
+	HANDLE h;
+	#endif
+};
+
+Directory::Internal::Internal () :
+	finding (false)
+{
+}
+
+Directory::Internal::~Internal ()
+{
+	TRACEFUNC (tr, "Directory::Internal::~Internal");
+
+	if (finding)
+		closesearch ();
+}
+
+std::string Directory::Internal:: findfirst (const std::string & str)
+{
+	if (finding)
+		closesearch ();
+	finding= true;
+	#ifdef USE_UNIX
+	glob (str.c_str (), 0, NULL, & g);
+	if (g.gl_pathc == 0)
+	{
+		closesearch ();
+		return std::string ();
+	}
+	n= 1;
+	return g.gl_pathv [0];
+	#else
+	h= FindFirstFile (str.c_str (), & fd);
+	if (h == INVALID_HANDLE_VALUE)
+	{
+		closesearch ();
+		return std::string ();
+	}
+	return fd.cFileName;
+	#endif
+}
+
+std::string Directory::Internal:: findnext ()
+{
+	if (! finding)
+		return std::string ();
+	#ifdef USE_UNIX
+	if (n >= static_cast <size_t> (g.gl_pathc) )
+	{
+		closesearch ();
+		return std::string ();
+	}
+	++n;
+	return g.gl_pathv [n - 1];
+	#else
+	if (! FindNextFile (h, & fd) )
+	{
+		closesearch ();
+		return std::string ();
+	}
+	return fd.cFileName;
+	#endif
+}
+
+void Directory::Internal::closesearch ()
+{
+	#ifdef USE_UNIX
+	globfree (& g);
+	#else
+	if (h != INVALID_HANDLE_VALUE)
+		FindClose (h);
+	#endif
+	finding= false;
+}
+
+// ********************* Directory *************************
+
+Directory::Directory () :
+	pin (new Internal)
+{
+}
+
+Directory::~Directory ()
+{
+	delete pin;
+}
+
+std::string Directory::findfirst (const std::string & str)
+{
+	return pin->findfirst (str);
+}
+
+std::string Directory::findnext ()
+{
+	return pin->findnext ();
+}
+
+// ********************* Other functions *************************
+
+void remove_file (const std::string & filename)
+{
+	if (unlink (filename.c_str () ) != 0)
+	{
+		switch (errno)
+		{
+		case ENOENT:
+			throw ErrFileNotFound;
+		default:
+			showlasterror ();
+			throw ErrOperatingSystem;
+		}
+	}
+}
+
+void rename_file (const std::string & orig, const std::string & dest)
+{
+	if (rename (orig.c_str (), dest.c_str () ) != 0)
+	{
+		switch (errno)
+		{
+		case ENOENT:
+			throw ErrFileNotFound;
+		default:
+			showlasterror ();
+			throw ErrRenameFile;
+		}
+	}
+}
+
+void change_dir (const std::string & dirname)
+{
+	if (chdir (dirname.c_str () ) != 0)
+	{
+		showlasterror ();
+		throw ErrOperatingSystem;
+	}
+}
+
+void make_dir (const std::string & dirname)
+{
+	#ifdef USE_UNIX
+	int r= mkdir (dirname.c_str (), 0777);
+	#else
+	int r= mkdir (dirname.c_str () );
+	#endif
+	if (r != 0)
+	{
+		showlasterror ();
+		throw ErrOperatingSystem;
+	}
+}
+
+void remove_dir (const std::string & dirname)
+{
+	if (rmdir (dirname.c_str () ) != 0)
+	{
+		showlasterror ();
+		throw ErrOperatingSystem;
+	}
+}
+
+void sleep_milisec (unsigned long n)
+{
+	TRACEFUNC (tr, "sleep_milisec");
+
+	#ifdef USE_UNIX
+
+	if (n == 0)
+	{
+		usleep (0);
+	}
+	else
+	{
+		n*= 1000;
+		unsigned int sec= n / 1000000;
+		n%= 1000000;
+		TRMESSAGE (tr, util::to_string (sec) + " sec, " +
+			util::to_string (n) + " microsec");
+		if (sec > 0)
+			sleep (sec);
+		if (n > 0)
+			usleep (n);
+	}
+
+	#else
+
+	Sleep (static_cast <DWORD> (n) );
+
+	#endif
+}
+
+// End of directory.cpp