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140 lines
4.2 KiB
C++
140 lines
4.2 KiB
C++
//
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// Path_WIN32U.cpp
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//
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// $Id: //poco/svn/Foundation/src/Path_WIN32U.cpp#2 $
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//
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// Library: Foundation
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// Package: Filesystem
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// Module: Path
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//
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// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/Path_WIN32U.h"
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#include "Poco/Environment_WIN32.h"
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#include "Poco/UnicodeConverter.h"
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#include "Poco/Buffer.h"
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#include "Poco/Exception.h"
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#include "Poco/UnWindows.h"
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namespace Poco {
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std::string PathImpl::currentImpl()
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{
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std::string result;
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DWORD len = GetCurrentDirectoryW(0, NULL);
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if (len > 0)
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{
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Buffer<wchar_t> buffer(len);
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DWORD n = GetCurrentDirectoryW(len, buffer.begin());
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if (n > 0 && n <= len)
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{
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UnicodeConverter::toUTF8(buffer.begin(), result);
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if (result[result.size() - 1] != '\\')
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result.append("\\");
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return result;
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}
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}
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throw SystemException("Cannot get current directory");
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}
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std::string PathImpl::homeImpl()
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{
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std::string result = EnvironmentImpl::getImpl("HOMEDRIVE");
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result.append(EnvironmentImpl::getImpl("HOMEPATH"));
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std::string::size_type n = result.size();
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if (n > 0 && result[n - 1] != '\\')
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result.append("\\");
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return result;
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}
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std::string PathImpl::tempImpl()
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{
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Buffer<wchar_t> buffer(MAX_PATH_LEN);
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DWORD n = GetTempPathW(static_cast<DWORD>(buffer.size()), buffer.begin());
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if (n > 0)
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{
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n = GetLongPathNameW(buffer.begin(), buffer.begin(), static_cast<DWORD>(buffer.size()));
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if (n <= 0) throw SystemException("Cannot get temporary directory long path name");
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std::string result;
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UnicodeConverter::toUTF8(buffer.begin(), result);
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if (result[result.size() - 1] != '\\')
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result.append("\\");
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return result;
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}
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throw SystemException("Cannot get temporary directory path");
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}
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std::string PathImpl::nullImpl()
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{
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return "NUL:";
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}
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std::string PathImpl::expandImpl(const std::string& path)
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{
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std::wstring upath;
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UnicodeConverter::toUTF16(path, upath);
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Buffer<wchar_t> buffer(MAX_PATH_LEN);
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DWORD n = ExpandEnvironmentStringsW(upath.c_str(), buffer.begin(), static_cast<DWORD>(buffer.size()));
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if (n > 0 && n < buffer.size() - 1)
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{
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buffer[n + 1] = 0;
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std::string result;
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UnicodeConverter::toUTF8(buffer.begin(), result);
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return result;
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}
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else return path;
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}
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void PathImpl::listRootsImpl(std::vector<std::string>& roots)
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{
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roots.clear();
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wchar_t buffer[128];
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DWORD n = GetLogicalDriveStringsW(sizeof(buffer)/sizeof(wchar_t) - 1, buffer);
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wchar_t* it = buffer;
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wchar_t* end = buffer + (n > sizeof(buffer) ? sizeof(buffer) : n);
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while (it < end)
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{
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std::wstring udev;
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while (it < end && *it) udev += *it++;
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std::string dev;
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UnicodeConverter::toUTF8(udev, dev);
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roots.push_back(dev);
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++it;
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}
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}
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} // namespace Poco
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