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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <comphelper/DirectoryHelper.hxx>
#include <sal/config.h>
#include <osl/file.hxx>
#include <rtl/uri.hxx>
#include <memory>
namespace comphelper
{
typedef std::shared_ptr<osl::File> FileSharedPtr;
OUString DirectoryHelper::splitAtLastToken(const OUString& rSrc, sal_Unicode aToken,
OUString& rRight)
{
const sal_Int32 nIndex(rSrc.lastIndexOf(aToken));
OUString aRetval;
if (-1 == nIndex)
{
aRetval = rSrc;
rRight.clear();
}
else if (nIndex > 0)
{
aRetval = rSrc.copy(0, nIndex);
if (rSrc.getLength() > nIndex + 1)
{
rRight = rSrc.copy(nIndex + 1);
}
}
return aRetval;
}
bool DirectoryHelper::fileExists(const OUString& rBaseURL)
{
if (!rBaseURL.isEmpty())
{
FileSharedPtr aBaseFile = std::make_shared<osl::File>(rBaseURL);
return (osl::File::E_None == aBaseFile->open(osl_File_OpenFlag_Read));
}
return false;
}
bool DirectoryHelper::dirExists(const OUString& rDirURL)
{
if (!rDirURL.isEmpty())
{
osl::Directory aDirectory(rDirURL);
return (osl::FileBase::E_None == aDirectory.open());
}
return false;
}
void DirectoryHelper::scanDirsAndFiles(const OUString& rDirURL, std::set<OUString>& rDirs,
std::set<std::pair<OUString, OUString>>& rFiles)
{
if (rDirURL.isEmpty())
return;
osl::Directory aDirectory(rDirURL);
if (osl::FileBase::E_None != aDirectory.open())
return;
auto lcl_encodeUriSegment = [](OUString const& rPath) {
return rtl::Uri::encode(rPath, rtl_UriCharClassUricNoSlash, rtl_UriEncodeIgnoreEscapes,
RTL_TEXTENCODING_UTF8);
};
osl::DirectoryItem aDirectoryItem;
while (osl::FileBase::E_None == aDirectory.getNextItem(aDirectoryItem))
{
osl::FileStatus aFileStatus(osl_FileStatus_Mask_Type | osl_FileStatus_Mask_FileName);
if (osl::FileBase::E_None == aDirectoryItem.getFileStatus(aFileStatus))
{
if (aFileStatus.isDirectory())
{
const OUString aFileName(aFileStatus.getFileName());
if (!aFileName.isEmpty())
{
rDirs.insert(lcl_encodeUriSegment(aFileName));
}
}
else if (aFileStatus.isRegular())
{
OUString aFileName(aFileStatus.getFileName());
OUString aExtension;
aFileName = splitAtLastToken(aFileName, '.', aExtension);
if (!aFileName.isEmpty())
{
rFiles.insert(std::pair<OUString, OUString>(lcl_encodeUriSegment(aFileName),
lcl_encodeUriSegment(aExtension)));
}
}
}
}
}
bool DirectoryHelper::deleteDirRecursively(const OUString& rDirURL)
{
std::set<OUString> aDirs;
std::set<std::pair<OUString, OUString>> aFiles;
bool bError(false);
scanDirsAndFiles(rDirURL, aDirs, aFiles);
for (const auto& dir : aDirs)
{
const OUString aNewDirURL(rDirURL + "/" + dir);
bError |= deleteDirRecursively(aNewDirURL);
}
for (const auto& file : aFiles)
{
OUString aNewFileURL(rDirURL + "/" + file.first);
if (!file.second.isEmpty())
{
aNewFileURL += "." + file.second;
}
bError |= (osl::FileBase::E_None != osl::File::remove(aNewFileURL));
}
bError |= (osl::FileBase::E_None != osl::Directory::remove(rDirURL));
return bError;
}
// both exist, move content
bool DirectoryHelper::moveDirContent(const OUString& rSourceDirURL,
std::u16string_view rTargetDirURL,
const std::set<OUString>& rExcludeList)
{
std::set<OUString> aDirs;
std::set<std::pair<OUString, OUString>> aFiles;
bool bError(false);
scanDirsAndFiles(rSourceDirURL, aDirs, aFiles);
for (const auto& dir : aDirs)
{
const bool bExcluded(!rExcludeList.empty() && rExcludeList.find(dir) != rExcludeList.end());
if (!bExcluded)
{
const OUString aNewSourceDirURL(rSourceDirURL + "/" + dir);
if (dirExists(aNewSourceDirURL))
{
const OUString aNewTargetDirURL(OUString::Concat(rTargetDirURL) + "/" + dir);
if (dirExists(aNewTargetDirURL))
{
deleteDirRecursively(aNewTargetDirURL);
}
bError |= (osl::FileBase::E_None
!= osl::File::move(aNewSourceDirURL, aNewTargetDirURL));
}
}
}
for (const auto& file : aFiles)
{
OUString aSourceFileURL(rSourceDirURL + "/" + file.first);
if (!file.second.isEmpty())
{
aSourceFileURL += "." + file.second;
}
if (fileExists(aSourceFileURL))
{
OUString aTargetFileURL(OUString::Concat(rTargetDirURL) + "/" + file.first);
if (!file.second.isEmpty())
{
aTargetFileURL += "." + file.second;
}
if (fileExists(aTargetFileURL))
{
osl::File::remove(aTargetFileURL);
}
bError |= (osl::FileBase::E_None != osl::File::move(aSourceFileURL, aTargetFileURL));
}
}
return bError;
}
}
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