[pclasses-cvs] pclasses2/src/System Directory.win32.cpp,NONE,1.1

[Christian P. <cp...@us...>]

Update of /cvsroot/pclasses/pclasses2/src/System
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv2303/src/System

Added Files:
	Directory.win32.cpp 
Log Message:
Added win32 Directory implementation. 

--- NEW FILE: Directory.win32.cpp ---
/***************************************************************************
 *   Copyright (C) 2004 by Christian Prochnow                              *
 *   cp...@se...                                                   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Library General Public License as       *
 *   published by the Free Software Foundation; either version 2 of the    *
 *   License, or (at your option) any later version.                       *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this program; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#include "pclasses/System/Directory.h"
#include <windows.h>

namespace P {

namespace System {

Directory::Directory(const Unicode::String& path) throw(IO::IOError)
: _path(path), _handle(INVALID_HANDLE_VALUE)
{
	reload();
}

Directory::~Directory() throw()
{
	if(_handle != INVALID_HANDLE_VALUE)
		FindClose((HANDLE)_handle);
}

const Unicode::String& Directory::path() const throw()
{
	return _path;
}

void Directory::reload() throw(IO::IOError)
{
	_entries.clear();

	WIN32_FIND_DATA findData;
	HANDLE h = FindFirstFile(_path.utf8().c_str(), &findData);
	if(h == INVALID_HANDLE_VALUE)
	{
		DWORD lastError = GetLastError();
		if(lastError == ERROR_NO_MORE_FILES)
			return;

		throw SystemError(lastError, "Could not read directory", P_SOURCEINFO);
	}

	_entries.push_back(findData.cFileName);
	while(FindNextFile(h, &findData) != 0)
	{
		_entries.push_back(findData.cFileName);
	}

	DWORD lastError = GetLastError();
	FindClose(h);

	if(lastError != ERROR_NO_MORE_FILES)
		throw SystemError(lastError, "Could not read directory", P_SOURCEINFO);
}

Directory::Iterator Directory::begin() const
{
	return _entries.begin();
}

Directory::Iterator Directory::end() const
{
	return _entries.end();
}

Unicode::String Directory::current() throw(IO::IOError)
{
	size_t cwdSize = PATH_MAX;
	char* cwd = new char[PATH_MAX];
	
getCurrentDirectory:
	DWORD ret = GetCurrentDirectory(cwdSize, cwd);
	if(ret == 0)
	{
		if(ret > cwdSize)
		{
			delete[] cwd;
			cwdSize += cwdSize;
			cwd = new char[cwdSize];
			goto getCurrentDirectory;
		}

		throw IO::IOError(errno, "Could not get current working directroy", P_SOURCEINFO);
	}

	return Unicode::String(cwd);
}

void Directory::change(const Unicode::String& path) throw(IO::IOError)
{
	if(!SetCurrentDirectory(path.utf8().c_str()))
		throw IO::IOError(GetLastError(), "Could not change working directory", P_SOURCEINFO);
}

void Directory::create(const Unicode::String& path) throw(IO::IOError)
{
	if(!CreateDirectory(path.utf8().c_str(), NULL))
		throw IO::IOError(GetLastError(), "Could not change working directory", P_SOURCEINFO);
}

void Directory::remove(const Unicode::String& path) throw(IO::IOError)
{
	if(!RemoveDirectory(path.utf8().c_str()))
		throw IO::IOError(GetLastError(), "Could not change working directory", P_SOURCEINFO);
}

} // !namespace System

} // !namespace P