private void CaseSensitiveRename(string sourcePath, string destPath, RenameDelegate renamer)
{
if (sourcePath.Equals(destPath, StringComparison.OrdinalIgnoreCase))
{
// workaround for case-only renames on case-insensitive file systems:
var sourceDir = Path.GetDirectoryName(sourcePath);
var sourceFile = Path.GetFileName(sourcePath);
var destDir = Path.GetDirectoryName(destPath);
var destFile = Path.GetFileName(destPath);
if (sourceDir != destDir)
{
// recursively rename containing directories that differ in case
CaseSensitiveRename(sourceDir, destDir, renamer);
// fix up source path based on renamed directory
sourcePath = Path.Combine(destDir, sourceFile);
}
if (sourceFile != destFile)
{
// use temporary filename to rename files that differ in case
var tempPath = sourcePath + ".mvtmp";
CaseSensitiveRename(sourcePath, tempPath, renamer);
CaseSensitiveRename(tempPath, destPath, renamer);
}
}
else
{
renamer(sourcePath, destPath);
}
}
public DelegateMemberRenamer(RenameDelegate rename)
{
if (rename == null)
{
throw new ArgumentNullException(nameof(rename));
}
Rename = rename;
}
public DelegateMemberRenamer(RenameDelegate rename)
{
if (rename == null) throw new ArgumentNullException(nameof(rename));
Rename = rename;
}
private void CaseSensitiveRename(string sourcePath, string destPath, RenameDelegate renamer)
{
if (sourcePath.Equals(destPath, StringComparison.OrdinalIgnoreCase))
{
// workaround for case-only renames on case-insensitive file systems:
var sourceDir = Path.GetDirectoryName(sourcePath);
var sourceFile = Path.GetFileName(sourcePath);
var destDir = Path.GetDirectoryName(destPath);
var destFile = Path.GetFileName(destPath);
if (sourceDir != destDir)
{
// recursively rename containing directories that differ in case
CaseSensitiveRename(sourceDir, destDir, renamer);
// fix up source path based on renamed directory
sourcePath = Path.Combine(destDir, sourceFile);
}
if (sourceFile != destFile)
{
// use temporary filename to rename files that differ in case
var tempPath = sourcePath + ".mvtmp";
CaseSensitiveRename(sourcePath, tempPath, renamer);
CaseSensitiveRename(tempPath, destPath, renamer);
}
}
else
{
renamer(sourcePath, destPath);
}
}
private void CaseSensitiveRename(string sourcePath, string destPath, RenameDelegate renamer)
{
renamer(sourcePath, destPath, sourcePath.Equals(destPath, StringComparison.OrdinalIgnoreCase));
}
