author | herrick |
Fri, 08 Nov 2019 14:53:03 -0500 | |
branch | JDK-8200758-branch |
changeset 58994 | b09ba68c6a19 |
parent 57909 | src/jdk.jpackage/windows/native/libjpackage/FileUtils.cpp@c7de06ed4b54 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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#include <memory> |
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#include <algorithm> |
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#include <shlwapi.h> |
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#include "FileUtils.h" |
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#include "WinErrorHandling.h" |
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#include "Log.h" |
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// Needed by FileUtils::isDirectoryNotEmpty |
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#pragma comment(lib, "shlwapi") |
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namespace FileUtils { |
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namespace { |
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tstring reservedFilenameChars() { |
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tstring buf; |
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for (char charCode = 0; charCode < 32; ++charCode) { |
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buf.append(1, charCode); |
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} |
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buf += _T("<>:\"|?*/\\"); |
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return buf; |
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} |
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} // namespace |
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bool isDirSeparator(const tstring::value_type c) { |
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return (c == '/' || c == '\\'); |
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} |
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bool isFileExists(const tstring &filePath) { |
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return GetFileAttributes(filePath.c_str()) != INVALID_FILE_ATTRIBUTES; |
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} |
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namespace { |
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bool isDirectoryAttrs(const DWORD attrs) { |
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return attrs != INVALID_FILE_ATTRIBUTES |
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&& (attrs & FILE_ATTRIBUTE_DIRECTORY) != 0; |
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} |
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} // namespace |
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bool isDirectory(const tstring &filePath) { |
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return isDirectoryAttrs(GetFileAttributes(filePath.c_str())); |
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} |
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bool isDirectoryNotEmpty(const tstring &dirPath) { |
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if (!isDirectory(dirPath)) { |
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return false; |
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} |
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return FALSE == PathIsDirectoryEmpty(dirPath.c_str()); |
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} |
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tstring dirname(const tstring &path) { |
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tstring::size_type pos = path.find_last_of(_T("\\/")); |
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if (pos != tstring::npos) { |
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pos = path.find_last_not_of(_T("\\/"), pos); // skip trailing slashes |
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} |
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return pos == tstring::npos ? tstring() : path.substr(0, pos + 1); |
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} |
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tstring basename(const tstring &path) { |
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const tstring::size_type pos = path.find_last_of(_T("\\/")); |
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if (pos == tstring::npos) { |
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return path; |
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} |
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return path.substr(pos + 1); |
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} |
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tstring suffix(const tstring &path) { |
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const tstring::size_type pos = path.rfind('.'); |
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if (pos == tstring::npos) { |
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return tstring(); |
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} |
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const tstring::size_type dirSepPos = path.find_first_of(_T("\\/"), |
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pos + 1); |
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if (dirSepPos != tstring::npos) { |
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return tstring(); |
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} |
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// test for '/..' and '..' cases |
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if (pos != 0 && path[pos - 1] == '.' |
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&& (pos == 1 || isDirSeparator(path[pos - 2]))) { |
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return tstring(); |
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} |
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return path.substr(pos); |
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} |
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tstring combinePath(const tstring& parent, const tstring& child) { |
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if (parent.empty()) { |
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return child; |
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} |
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if (child.empty()) { |
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return parent; |
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} |
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tstring parentWOSlash = removeTrailingSlash(parent); |
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// also handle the case when child contains starting slash |
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bool childHasSlash = isDirSeparator(child.front()); |
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tstring childWOSlash = childHasSlash ? child.substr(1) : child; |
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127 |
|
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return parentWOSlash + _T("\\") + childWOSlash; |
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} |
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130 |
|
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tstring removeTrailingSlash(const tstring& path) { |
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if (path.empty()) { |
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return path; |
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134 |
} |
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tstring::const_reverse_iterator it = path.rbegin(); |
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tstring::const_reverse_iterator end = path.rend(); |
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137 |
|
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while (it != end && isDirSeparator(*it)) { |
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++it; |
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} |
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return path.substr(0, end - it); |
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} |
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143 |
|
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tstring normalizePath(tstring v) { |
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std::replace(v.begin(), v.end(), '/', '\\'); |
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return tstrings::toLower(v); |
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147 |
} |
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148 |
|
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149 |
namespace { |
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150 |
|
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151 |
bool createNewFile(const tstring& path) { |
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HANDLE h = CreateFile(path.c_str(), GENERIC_WRITE, 0, NULL, CREATE_NEW, |
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FILE_ATTRIBUTE_NORMAL, NULL); |
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// if the file exists => h == INVALID_HANDLE_VALUE & GetLastError |
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// returns ERROR_FILE_EXISTS |
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156 |
if (h != INVALID_HANDLE_VALUE) { |
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CloseHandle(h); |
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LOG_TRACE(tstrings::any() << "Created [" << path << "] file"); |
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return true; |
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160 |
} |
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return false; |
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162 |
} |
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163 |
|
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} // namespace |
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165 |
|
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tstring createTempFile(const tstring &prefix, const tstring &suffix, |
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const tstring &path) { |
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const tstring invalidChars = reservedFilenameChars(); |
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169 |
|
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if (prefix.find_first_of(invalidChars) != tstring::npos) { |
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JP_THROW(tstrings::any() << "Illegal characters in prefix=" << prefix); |
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} |
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173 |
|
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if (suffix.find_first_of(invalidChars) != tstring::npos) { |
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JP_THROW(tstrings::any() << "Illegal characters in suffix=" << suffix); |
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176 |
} |
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177 |
|
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178 |
int rnd = (int)GetTickCount(); |
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179 |
|
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// do no more than 100 attempts |
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181 |
for (int i=0; i<100; i++) { |
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const tstring filePath = mkpath() << path << (prefix |
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+ (tstrings::any() << (rnd + i)).tstr() + suffix); |
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184 |
if (createNewFile(filePath)) { |
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return filePath; |
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186 |
} |
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187 |
} |
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188 |
|
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189 |
// 100 attempts failed |
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JP_THROW(tstrings::any() << "createTempFile(" << prefix << ", " |
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191 |
<< suffix << ", " |
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<< path << ") failed"); |
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193 |
} |
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194 |
|
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195 |
tstring createTempDirectory(const tstring &prefix, const tstring &suffix, |
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const tstring &basedir) { |
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const tstring filePath = createTempFile(prefix, suffix, basedir); |
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// delete the file and create directory with the same name |
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199 |
deleteFile(filePath); |
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200 |
createDirectory(filePath); |
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201 |
return filePath; |
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202 |
} |
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203 |
|
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204 |
tstring createUniqueFile(const tstring &prototype) { |
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205 |
if (createNewFile(prototype)) { |
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206 |
return prototype; |
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207 |
} |
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208 |
|
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209 |
return createTempFile(replaceSuffix(basename(prototype)), |
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210 |
suffix(prototype), dirname(prototype)); |
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211 |
} |
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212 |
|
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213 |
namespace { |
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214 |
|
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215 |
void createDir(const tstring path, LPSECURITY_ATTRIBUTES saAttr, |
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216 |
tstring_array* createdDirs=0) { |
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217 |
if (CreateDirectory(path.c_str(), saAttr)) { |
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218 |
LOG_TRACE(tstrings::any() << "Created [" << path << "] directory"); |
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219 |
if (createdDirs) { |
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createdDirs->push_back(removeTrailingSlash(path)); |
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221 |
} |
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222 |
} else { |
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223 |
const DWORD createDirectoryErr = GetLastError(); |
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224 |
// if saAttr is specified, fail even if the directory exists |
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225 |
if (saAttr != NULL || !isDirectory(path)) { |
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226 |
JP_THROW(SysError(tstrings::any() << "CreateDirectory(" |
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227 |
<< path << ") failed", CreateDirectory, createDirectoryErr)); |
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228 |
} |
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229 |
} |
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230 |
} |
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231 |
|
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232 |
} |
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233 |
|
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234 |
void createDirectory(const tstring &path, tstring_array* createdDirs) { |
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235 |
const tstring dirPath = removeTrailingSlash(path) + _T("\\"); |
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236 |
|
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237 |
tstring::size_type pos = dirPath.find_first_of(_T("\\/")); |
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238 |
while (pos != tstring::npos) { |
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239 |
const tstring subdirPath = dirPath.substr(0, pos + 1); |
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240 |
createDir(subdirPath, NULL, createdDirs); |
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241 |
pos = dirPath.find_first_of(_T("\\/"), pos + 1); |
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242 |
} |
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243 |
} |
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244 |
|
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245 |
|
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246 |
void copyFile(const tstring& fromPath, const tstring& toPath, |
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bool failIfExists) { |
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createDirectory(dirname(toPath)); |
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if (!CopyFile(fromPath.c_str(), toPath.c_str(), |
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(failIfExists ? TRUE : FALSE))) { |
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JP_THROW(SysError(tstrings::any() |
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<< "CopyFile(" << fromPath << ", " << toPath << ", " |
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<< failIfExists << ") failed", CopyFile)); |
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} |
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LOG_TRACE(tstrings::any() << "Copied [" << fromPath << "] file to [" |
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<< toPath << "]"); |
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} |
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|
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|
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namespace { |
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261 |
|
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void moveFileImpl(const tstring& fromPath, const tstring& toPath, |
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DWORD flags) { |
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const bool isDir = isDirectory(fromPath); |
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if (!MoveFileEx(fromPath.c_str(), toPath.empty() ? NULL : toPath.c_str(), |
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flags)) { |
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JP_THROW(SysError(tstrings::any() << "MoveFileEx(" << fromPath |
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<< ", " << toPath << ", " << flags << ") failed", MoveFileEx)); |
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} |
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|
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const bool onReboot = 0 != (flags & MOVEFILE_DELAY_UNTIL_REBOOT); |
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|
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const LPCTSTR label = isDir ? _T("folder") : _T("file"); |
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|
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tstrings::any msg; |
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if (!toPath.empty()) { |
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if (onReboot) { |
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msg << "Move"; |
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} else { |
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msg << "Moved"; |
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} |
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msg << " '" << fromPath << "' " << label << " to '" << toPath << "'"; |
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} else { |
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if (onReboot) { |
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msg << "Delete"; |
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} else { |
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msg << "Deleted"; |
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} |
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msg << " '" << fromPath << "' " << label; |
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} |
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if (onReboot) { |
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msg << " on reboot"; |
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} |
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LOG_TRACE(msg); |
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295 |
} |
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296 |
|
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} // namespace |
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298 |
|
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299 |
|
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300 |
void moveFile(const tstring& fromPath, const tstring& toPath, |
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bool failIfExists) { |
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createDirectory(dirname(toPath)); |
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303 |
|
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304 |
DWORD flags = MOVEFILE_COPY_ALLOWED; |
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if (!failIfExists) { |
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flags |= MOVEFILE_REPLACE_EXISTING; |
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} |
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308 |
|
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309 |
moveFileImpl(fromPath, toPath, flags); |
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310 |
} |
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311 |
|
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312 |
void deleteFile(const tstring &path) |
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313 |
{ |
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314 |
if (!deleteFile(path, std::nothrow)) { |
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|
315 |
JP_THROW(SysError(tstrings::any() |
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|
316 |
<< "DeleteFile(" << path << ") failed", DeleteFile)); |
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317 |
} |
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318 |
} |
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|
319 |
|
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320 |
namespace { |
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|
321 |
|
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322 |
bool notFound(const DWORD status=GetLastError()) { |
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323 |
return status == ERROR_FILE_NOT_FOUND || status == ERROR_PATH_NOT_FOUND; |
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324 |
} |
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325 |
|
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326 |
bool deleteFileImpl(const std::nothrow_t &, const tstring &path) { |
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const bool deleted = (DeleteFile(path.c_str()) != 0); |
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|
328 |
if (deleted) { |
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|
329 |
LOG_TRACE(tstrings::any() << "Deleted [" << path << "] file"); |
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330 |
return true; |
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331 |
} |
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|
332 |
return notFound(); |
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333 |
} |
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|
334 |
|
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|
335 |
} // namespace |
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336 |
|
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|
337 |
bool deleteFile(const tstring &path, const std::nothrow_t &) throw() |
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338 |
{ |
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339 |
bool deleted = deleteFileImpl(std::nothrow, path); |
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340 |
const DWORD status = GetLastError(); |
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341 |
if (!deleted && status == ERROR_ACCESS_DENIED) { |
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342 |
DWORD attrs = GetFileAttributes(path.c_str()); |
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|
343 |
SetLastError(status); |
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|
344 |
if (attrs == INVALID_FILE_ATTRIBUTES) { |
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|
345 |
return false; |
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346 |
} |
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347 |
if (attrs & FILE_ATTRIBUTE_READONLY) { |
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348 |
// DeleteFile() failed because file is R/O. |
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349 |
// Remove R/O attribute and retry DeleteFile(). |
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350 |
attrs &= ~FILE_ATTRIBUTE_READONLY; |
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|
351 |
if (SetFileAttributes(path.c_str(), attrs)) { |
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|
352 |
LOG_TRACE(tstrings::any() << "Discarded R/O attribute from [" |
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|
353 |
<< path << "] file"); |
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|
354 |
deleted = deleteFileImpl(std::nothrow, path); |
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|
355 |
} else { |
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356 |
LOG_WARNING(SysError(tstrings::any() |
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|
357 |
<< "Failed to discard R/O attribute from [" |
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|
358 |
<< path << "] file. File will not be deleted", |
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|
359 |
SetFileAttributes).what()); |
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|
360 |
SetLastError(status); |
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|
361 |
} |
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|
362 |
} |
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|
363 |
} |
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|
364 |
|
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|
365 |
return deleted || notFound(); |
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|
366 |
} |
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|
367 |
|
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|
368 |
void deleteDirectory(const tstring &path) |
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369 |
{ |
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370 |
if (!deleteDirectory(path, std::nothrow)) { |
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|
371 |
JP_THROW(SysError(tstrings::any() |
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372 |
<< "RemoveDirectory(" << path << ") failed", RemoveDirectory)); |
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373 |
} |
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|
374 |
} |
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|
375 |
|
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|
376 |
bool deleteDirectory(const tstring &path, const std::nothrow_t &) throw() |
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|
377 |
{ |
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378 |
const bool deleted = (RemoveDirectory(path.c_str()) != 0); |
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|
379 |
if (deleted) { |
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|
380 |
LOG_TRACE(tstrings::any() << "Deleted [" << path << "] directory"); |
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381 |
} |
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382 |
return deleted || notFound(); |
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|
383 |
} |
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changeset
|
384 |
|
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|
385 |
namespace { |
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changeset
|
386 |
|
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|
387 |
class DeleteFilesCallback: public DirectoryCallback { |
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|
388 |
public: |
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|
389 |
explicit DeleteFilesCallback(bool ff): failfast(ff), failed(false) { |
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|
390 |
} |
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changeset
|
391 |
|
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|
392 |
virtual bool onFile(const tstring& path) { |
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|
393 |
if (failfast) { |
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|
394 |
deleteFile(path); |
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|
395 |
} else { |
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|
396 |
updateStatus(deleteFile(path, std::nothrow)); |
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|
397 |
} |
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|
398 |
return true; |
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|
399 |
} |
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|
400 |
|
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|
401 |
bool good() const { |
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|
402 |
return !failed; |
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|
403 |
} |
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changeset
|
404 |
|
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|
405 |
protected: |
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|
406 |
void updateStatus(bool success) { |
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|
407 |
if (!success) { |
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|
408 |
failed = true; |
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changeset
|
409 |
} |
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changeset
|
410 |
} |
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changeset
|
411 |
|
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|
412 |
const bool failfast; |
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|
413 |
private: |
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|
414 |
bool failed; |
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|
415 |
}; |
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changeset
|
416 |
|
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|
417 |
class DeleteAllCallback: public DeleteFilesCallback { |
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changeset
|
418 |
public: |
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|
419 |
explicit DeleteAllCallback(bool failfast): DeleteFilesCallback(failfast) { |
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|
420 |
} |
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changeset
|
421 |
|
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|
422 |
virtual bool onDirectory(const tstring& path) { |
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|
423 |
if (failfast) { |
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|
424 |
deleteDirectoryRecursive(path); |
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|
425 |
} else { |
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|
426 |
updateStatus(deleteDirectoryRecursive(path, std::nothrow)); |
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changeset
|
427 |
} |
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changeset
|
428 |
return true; |
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changeset
|
429 |
} |
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changeset
|
430 |
}; |
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changeset
|
431 |
|
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changeset
|
432 |
|
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|
433 |
class BatchDeleter { |
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|
434 |
const tstring dirPath; |
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|
435 |
bool recursive; |
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changeset
|
436 |
public: |
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changeset
|
437 |
explicit BatchDeleter(const tstring& path): dirPath(path) { |
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|
438 |
deleteSubdirs(false); |
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changeset
|
439 |
} |
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changeset
|
440 |
|
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|
441 |
BatchDeleter& deleteSubdirs(bool v) { |
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|
442 |
recursive = v; |
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changeset
|
443 |
return *this; |
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changeset
|
444 |
} |
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changeset
|
445 |
|
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changeset
|
446 |
void execute() const { |
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changeset
|
447 |
if (!isFileExists(dirPath)) { |
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changeset
|
448 |
return; |
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changeset
|
449 |
} |
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changeset
|
450 |
iterateDirectory(true /* fail fast */); |
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diff
changeset
|
451 |
if (recursive) { |
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diff
changeset
|
452 |
deleteDirectory(dirPath); |
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changeset
|
453 |
} |
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changeset
|
454 |
} |
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changeset
|
455 |
|
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changeset
|
456 |
bool execute(const std::nothrow_t&) const { |
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changeset
|
457 |
if (!isFileExists(dirPath)) { |
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changeset
|
458 |
return true; |
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changeset
|
459 |
} |
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changeset
|
460 |
|
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changeset
|
461 |
if (!isDirectory(dirPath)) { |
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diff
changeset
|
462 |
return false; |
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changeset
|
463 |
} |
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diff
changeset
|
464 |
|
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changeset
|
465 |
JP_TRY; |
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changeset
|
466 |
if (!iterateDirectory(false /* ignore errors */)) { |
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changeset
|
467 |
return false; |
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diff
changeset
|
468 |
} |
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changeset
|
469 |
if (recursive) { |
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changeset
|
470 |
return deleteDirectory(dirPath, std::nothrow); |
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changeset
|
471 |
} |
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changeset
|
472 |
return true; |
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changeset
|
473 |
JP_CATCH_ALL; |
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changeset
|
474 |
|
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changeset
|
475 |
return false; |
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diff
changeset
|
476 |
} |
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changeset
|
477 |
|
c7de06ed4b54
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changeset
|
478 |
private: |
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changeset
|
479 |
bool iterateDirectory(bool failfast) const { |
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changeset
|
480 |
std::unique_ptr<DeleteFilesCallback> callback; |
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changeset
|
481 |
if (recursive) { |
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changeset
|
482 |
callback = std::unique_ptr<DeleteFilesCallback>( |
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changeset
|
483 |
new DeleteAllCallback(failfast)); |
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changeset
|
484 |
} else { |
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changeset
|
485 |
callback = std::unique_ptr<DeleteFilesCallback>( |
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changeset
|
486 |
new DeleteFilesCallback(failfast)); |
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changeset
|
487 |
} |
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diff
changeset
|
488 |
|
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changeset
|
489 |
FileUtils::iterateDirectory(dirPath, *callback); |
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diff
changeset
|
490 |
return callback->good(); |
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diff
changeset
|
491 |
} |
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diff
changeset
|
492 |
}; |
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diff
changeset
|
493 |
|
c7de06ed4b54
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changeset
|
494 |
} // namespace |
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diff
changeset
|
495 |
|
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changeset
|
496 |
void deleteFilesInDirectory(const tstring &dirPath) { |
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changeset
|
497 |
BatchDeleter(dirPath).execute(); |
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changeset
|
498 |
} |
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diff
changeset
|
499 |
|
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changeset
|
500 |
bool deleteFilesInDirectory(const tstring &dirPath, |
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changeset
|
501 |
const std::nothrow_t &) throw() { |
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502 |
return BatchDeleter(dirPath).execute(std::nothrow); |
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|
503 |
} |
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changeset
|
504 |
|
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|
505 |
void deleteDirectoryRecursive(const tstring &dirPath) { |
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|
506 |
BatchDeleter(dirPath).deleteSubdirs(true).execute(); |
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|
507 |
} |
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changeset
|
508 |
|
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|
509 |
bool deleteDirectoryRecursive(const tstring &dirPath, |
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|
510 |
const std::nothrow_t &) throw() { |
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|
511 |
return BatchDeleter(dirPath).deleteSubdirs(true).execute(std::nothrow); |
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|
512 |
} |
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changeset
|
513 |
|
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changeset
|
514 |
namespace { |
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changeset
|
515 |
|
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changeset
|
516 |
struct FindFileDeleter { |
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|
517 |
typedef HANDLE pointer; |
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changeset
|
518 |
|
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|
519 |
void operator()(HANDLE h) { |
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|
520 |
if (h && h != INVALID_HANDLE_VALUE) { |
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|
521 |
FindClose(h); |
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|
522 |
} |
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|
523 |
} |
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|
524 |
}; |
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changeset
|
525 |
|
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|
526 |
typedef std::unique_ptr<HANDLE, FindFileDeleter> UniqueFindFileHandle; |
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changeset
|
527 |
|
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|
528 |
}; // namesace |
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|
529 |
void iterateDirectory(const tstring &dirPath, DirectoryCallback& callback) |
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|
530 |
{ |
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|
531 |
const tstring searchString = combinePath(dirPath, _T("*")); |
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|
532 |
WIN32_FIND_DATA findData; |
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|
533 |
UniqueFindFileHandle h(FindFirstFile(searchString.c_str(), &findData)); |
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|
534 |
if (h.get() == INVALID_HANDLE_VALUE) { |
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|
535 |
// GetLastError() == ERROR_FILE_NOT_FOUND is OK |
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|
536 |
// - no files in the directory |
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|
537 |
// ERROR_PATH_NOT_FOUND is returned |
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|
538 |
// if the parent directory does not exist |
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|
539 |
if (GetLastError() != ERROR_FILE_NOT_FOUND) { |
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|
540 |
JP_THROW(SysError(tstrings::any() << "FindFirstFile(" |
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|
541 |
<< dirPath << ") failed", FindFirstFile)); |
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|
542 |
} |
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|
543 |
return; |
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changeset
|
544 |
} |
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changeset
|
545 |
|
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|
546 |
do { |
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|
547 |
const tstring fname(findData.cFileName); |
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|
548 |
const tstring filePath = combinePath(dirPath, fname); |
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|
549 |
if (!isDirectoryAttrs(findData.dwFileAttributes)) { |
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|
550 |
if (!callback.onFile(filePath)) { |
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|
551 |
return; |
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|
552 |
} |
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|
553 |
} else if (fname != _T(".") && fname != _T("..")) { |
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|
554 |
if (!callback.onDirectory(filePath)) { |
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|
555 |
return; |
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changeset
|
556 |
} |
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changeset
|
557 |
} |
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|
558 |
} while (FindNextFile(h.get(), &findData)); |
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changeset
|
559 |
|
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|
560 |
// expect GetLastError() == ERROR_NO_MORE_FILES |
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|
561 |
if (GetLastError() != ERROR_NO_MORE_FILES) { |
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|
562 |
JP_THROW(SysError(tstrings::any() << "FindNextFile(" |
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changeset
|
563 |
<< dirPath << ") failed", FindNextFile)); |
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changeset
|
564 |
} |
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changeset
|
565 |
} |
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changeset
|
566 |
|
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changeset
|
567 |
|
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|
568 |
tstring replaceSuffix(const tstring& path, const tstring& newSuffix) { |
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|
569 |
return (path.substr(0, path.size() - suffix(path).size()) + newSuffix); |
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changeset
|
570 |
} |
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changeset
|
571 |
|
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changeset
|
572 |
|
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|
573 |
DirectoryIterator& DirectoryIterator::findItems(tstring_array& v) { |
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changeset
|
574 |
if (!isDirectory(root)) { |
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changeset
|
575 |
return *this; |
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changeset
|
576 |
} |
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changeset
|
577 |
|
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changeset
|
578 |
iterateDirectory(root, *this); |
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|
579 |
v.insert(v.end(), items.begin(), items.end()); |
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|
580 |
items = tstring_array(); |
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changeset
|
581 |
return *this; |
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changeset
|
582 |
} |
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changeset
|
583 |
|
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changeset
|
584 |
bool DirectoryIterator::onFile(const tstring& path) { |
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|
585 |
if (theWithFiles) { |
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|
586 |
items.push_back(path); |
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changeset
|
587 |
} |
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changeset
|
588 |
return true; |
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changeset
|
589 |
} |
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diff
changeset
|
590 |
|
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changeset
|
591 |
bool DirectoryIterator::onDirectory(const tstring& path) { |
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changeset
|
592 |
if (theWithFolders) { |
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changeset
|
593 |
items.push_back(path); |
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changeset
|
594 |
} |
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changeset
|
595 |
if (theRecurse) { |
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changeset
|
596 |
DirectoryIterator(path).recurse(theRecurse) |
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changeset
|
597 |
.withFiles(theWithFiles) |
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changeset
|
598 |
.withFolders(theWithFolders) |
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changeset
|
599 |
.findItems(items); |
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changeset
|
600 |
} |
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changeset
|
601 |
return true; |
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diff
changeset
|
602 |
} |
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diff
changeset
|
603 |
|
c7de06ed4b54
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diff
changeset
|
604 |
|
c7de06ed4b54
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diff
changeset
|
605 |
namespace { |
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diff
changeset
|
606 |
|
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changeset
|
607 |
struct DeleterFunctor { |
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changeset
|
608 |
// Order of items in the following enum is important! |
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|
609 |
// It controls order in which items of particular type will be deleted. |
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changeset
|
610 |
// See Deleter::execute(). |
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changeset
|
611 |
enum { |
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changeset
|
612 |
File, |
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changeset
|
613 |
FilesInDirectory, |
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diff
changeset
|
614 |
RecursiveDirectory, |
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changeset
|
615 |
EmptyDirectory |
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changeset
|
616 |
}; |
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changeset
|
617 |
|
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changeset
|
618 |
void operator () (const Deleter::Path& path) const { |
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changeset
|
619 |
switch (path.second) { |
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changeset
|
620 |
#define DELETE_SOME(o, f)\ |
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diff
changeset
|
621 |
case o:\ |
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diff
changeset
|
622 |
f(path.first, std::nothrow);\ |
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diff
changeset
|
623 |
break |
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diff
changeset
|
624 |
|
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changeset
|
625 |
DELETE_SOME(File, deleteFile); |
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changeset
|
626 |
DELETE_SOME(EmptyDirectory, deleteDirectory); |
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|
627 |
DELETE_SOME(FilesInDirectory, deleteFilesInDirectory); |
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628 |
DELETE_SOME(RecursiveDirectory, deleteDirectoryRecursive); |
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|
629 |
|
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630 |
#undef DELETE_SOME |
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|
631 |
default: |
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|
632 |
break; |
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|
633 |
} |
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|
634 |
} |
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|
635 |
}; |
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|
636 |
|
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|
637 |
} // namespace |
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|
638 |
|
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|
639 |
void Deleter::execute() { |
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|
640 |
Paths tmp; |
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|
641 |
tmp.swap(paths); |
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|
642 |
|
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|
643 |
// Reorder items to delete. |
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644 |
std::stable_sort(tmp.begin(), tmp.end(), [] (const Paths::value_type& a, |
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645 |
const Paths::value_type& b) { |
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646 |
return a.second < b.second; |
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|
647 |
}); |
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|
648 |
|
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649 |
std::for_each(tmp.begin(), tmp.end(), DeleterFunctor()); |
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|
650 |
} |
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|
651 |
|
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652 |
Deleter& Deleter::appendFile(const tstring& path) { |
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653 |
paths.push_back(std::make_pair(path, DeleterFunctor::File)); |
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|
654 |
return *this; |
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|
655 |
} |
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|
656 |
|
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657 |
Deleter& Deleter::appendEmptyDirectory(const Directory& dir) { |
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658 |
tstring path = normalizePath(removeTrailingSlash(dir)); |
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|
659 |
const tstring parent = normalizePath(removeTrailingSlash(dir.parent)); |
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|
660 |
while(parent != path) { |
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|
661 |
appendEmptyDirectory(path); |
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|
662 |
path = dirname(path); |
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|
663 |
} |
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|
664 |
|
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|
665 |
return *this; |
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|
666 |
} |
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|
667 |
|
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|
668 |
Deleter& Deleter::appendEmptyDirectory(const tstring& path) { |
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|
669 |
paths.push_back(std::make_pair(path, DeleterFunctor::EmptyDirectory)); |
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|
670 |
return *this; |
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|
671 |
} |
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|
672 |
|
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|
673 |
Deleter& Deleter::appendAllFilesInDirectory(const tstring& path) { |
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|
674 |
paths.push_back(std::make_pair(path, DeleterFunctor::FilesInDirectory)); |
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|
675 |
return *this; |
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|
676 |
} |
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|
677 |
|
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|
678 |
Deleter& Deleter::appendRecursiveDirectory(const tstring& path) { |
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|
679 |
paths.push_back(std::make_pair(path, DeleterFunctor::RecursiveDirectory)); |
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|
680 |
return *this; |
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changeset
|
681 |
} |
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changeset
|
682 |
|
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changeset
|
683 |
|
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|
684 |
FileWriter::FileWriter(const tstring& path): dstPath(path) { |
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|
685 |
tmpFile = FileUtils::createTempFile(_T("jds"), _T(".tmp"), |
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|
686 |
FileUtils::dirname(path)); |
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changeset
|
687 |
|
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|
688 |
cleaner.appendFile(tmpFile); |
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changeset
|
689 |
|
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|
690 |
// we want to get exception on error |
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|
691 |
tmp.exceptions(std::ifstream::failbit | std::ifstream::badbit); |
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|
692 |
tmp.open(tmpFile, std::ios::binary | std::ios::trunc); |
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|
693 |
} |
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changeset
|
694 |
|
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|
695 |
FileWriter& FileWriter::write(const void* buf, size_t bytes) { |
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|
696 |
tmp.write(static_cast<const char*>(buf), bytes); |
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changeset
|
697 |
return *this; |
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changeset
|
698 |
} |
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changeset
|
699 |
|
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changeset
|
700 |
void FileWriter::finalize() { |
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|
701 |
tmp.close(); |
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changeset
|
702 |
|
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changeset
|
703 |
FileUtils::moveFile(tmpFile, dstPath, false); |
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changeset
|
704 |
|
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changeset
|
705 |
// cancel file deletion |
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changeset
|
706 |
cleaner.cancel(); |
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changeset
|
707 |
} |
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changeset
|
708 |
|
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changeset
|
709 |
} // namespace FileUtils |