path_win32.cpp

This software aims to create an applet and panel tools to manage a wireless interface card, such as

//
// Path_WIN32.cpp
//
// $Id: //poco/Main/Foundation/src/Path_WIN32.cpp#5 $
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//


#include "Foundation/Path_WIN32.h"
#include "Foundation/Environment_WIN32.h"
#include <windows.h>


Foundation_BEGIN


std::string PathImp::currentImp()
{
	char buffer[_MAX_PATH];
	DWORD n = GetCurrentDirectory(sizeof(buffer), buffer);
	if (n > 0 && n < sizeof(buffer))
	{
		std::string result(buffer, n);
		if (result[n - 1] != '\\')
			result.append("\\");
		return result;
	}
	else throw SystemException("Cannot get current directory");
}


std::string PathImp::homeImp()
{
	std::string result = EnvironmentImp::getImp("HOMEDRIVE");
	result.append(EnvironmentImp::getImp("HOMEPATH"));
	std::string::size_type n = result.size();
	if (n > 0 && result[n - 1] != '\\')
		result.append("\\");
	return result;
}


std::string PathImp::tempImp()
{
	char buffer[_MAX_PATH];
	DWORD n = GetTempPath(sizeof(buffer), buffer);
	if (n > 0 && n < sizeof(buffer))
	{
		std::string result(buffer, n);
		if (result[n - 1] != '\\')
			result.append("\\");
		return result;
	}
	else throw SystemException("Cannot get current directory");
}


std::string PathImp::nullImp()
{
	return "NUL:";
}


std::string PathImp::expandImp(const std::string& path)
{
	char buffer[_MAX_PATH];
	DWORD n = ExpandEnvironmentStrings(path.c_str(), buffer, sizeof(buffer));
	if (n > 0 && n < sizeof(buffer))
		return std::string(buffer, n - 1);
	else
		return path;
}


void PathImp::listRootsImp(std::vector<std::string>& roots)
{
	roots.clear();
	char buffer[128];
	DWORD n = GetLogicalDriveStrings(sizeof(buffer) - 1, buffer);
	char* it = buffer;
	char* end = buffer + (n > sizeof(buffer) ? sizeof(buffer) : n);
	while (it < end)
	{
		std::string dev;
		while (it < end && *it) dev += *it++;
		roots.push_back(dev);
		++it;
	}
}


Foundation_END