Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 213 insertions, 0 deletions

diff --git a/comphelper/source/misc/DirectoryHelper.cxx b/comphelper/source/misc/DirectoryHelper.cxx
new file mode 100644
index 000000000..badfe9b62
--- /dev/null
+++ b/comphelper/source/misc/DirectoryHelper.cxx
@@ -0,0 +1,213 @@
+/* -*- 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;
+
+std::u16string_view DirectoryHelper::splitAtLastToken(std::u16string_view rSrc, sal_Unicode aToken,
+                                                      OUString& rRight)
+{
+    const size_t nIndex(rSrc.rfind(aToken));
+    std::u16string_view aRetval;
+
+    if (std::u16string_view::npos == nIndex)
+    {
+        aRetval = rSrc;
+        rRight.clear();
+    }
+    else if (nIndex > 0)
+    {
+        aRetval = rSrc.substr(0, nIndex);
+
+        if (rSrc.size() > nIndex + 1)
+        {
+            rRight = rSrc.substr(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;
+}
+}