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Merge branch 'fn-long-path'

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Fix wxPATH_NORM_LONG with UNC paths and slightly optimize long path
normalization.

See #22307.
This commit is contained in:
Vadim Zeitlin 2022-04-17 18:51:09 +02:00
commit b66d4488e1
2 changed files with 32 additions and 7 deletions
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17
src/common/filename.cpp
View File

@ -2232,16 +2232,27 @@ wxString wxFileName::GetLongPath() const
return pathOut;
}
}
else // GetLongPathName() failed.
{
// The error returned for non-existent UNC paths is different, to make
// things more interesting.
const DWORD err = ::GetLastError();
if ( err == ERROR_FILE_NOT_FOUND || err == ERROR_BAD_NETPATH )
{
// No need to try to do anything else, we're not going to be able
// to find a long path form of a non-existent path anyhow.
return path;
}
}
// Some other error occured.
// File exists, but some other error occurred.
// We need to call FindFirstFile on each component in turn.
WIN32_FIND_DATA findFileData;
HANDLE hFind;
if ( HasVolume() )
pathOut = GetVolume() +
GetVolumeSeparator(wxPATH_DOS) +
pathOut = wxGetVolumeString(GetVolume(), wxPATH_DOS) +
GetPathSeparator(wxPATH_DOS);
else
pathOut.clear();

22
tests/filename/filenametest.cpp
View File

@ -545,15 +545,29 @@ TEST_CASE("wxFileName::ShortLongPath", "[filename]")
#endif // __WINDOWS__
// Small helper to make things slightly less verbose in the tests below.
static wxString GetDOSPath(const wxFileName& fn)
{
return fn.GetPath(wxPATH_NO_SEPARATOR, wxPATH_DOS);
}
TEST_CASE("wxFileName::UNC", "[filename]")
{
wxFileName fn("//share/path/name.ext", wxPATH_DOS);
CHECK( fn.GetVolume() == "\\\\share" );
CHECK( fn.GetPath(wxPATH_NO_SEPARATOR, wxPATH_DOS) == "\\path" );
CHECK( GetDOSPath(fn) == "\\path" );
fn.Assign("\\\\share2\\path2\\name.ext", wxPATH_DOS);
CHECK( fn.GetVolume() == "\\\\share2" );
CHECK( fn.GetPath(wxPATH_NO_SEPARATOR, wxPATH_DOS) == "\\path2" );
CHECK( GetDOSPath(fn) == "\\path2" );
fn.SetPath("\\\\server\\volume\\path", wxPATH_DOS);
fn.AppendDir("subdir");
CHECK( fn.GetFullPath(wxPATH_DOS) == "\\\\server\\volume\\path\\subdir\\name.ext" );
// Check for a bug with normalization breaking the path (#22275).
fn.Normalize(wxPATH_NORM_LONG);
CHECK( fn.GetFullPath(wxPATH_DOS) == "\\\\server\\volume\\path\\subdir\\name.ext" );
#ifdef __WINDOWS__
// Check that doubled backslashes in the beginning of the path are not
@ -574,13 +588,13 @@ TEST_CASE("wxFileName::VolumeUniqueName", "[filename]")
wxFileName fn("\\\\?\\Volume{8089d7d7-d0ac-11db-9dd0-806d6172696f}\\",
wxPATH_DOS);
CHECK( fn.GetVolume() == "\\\\?\\Volume{8089d7d7-d0ac-11db-9dd0-806d6172696f}" );
CHECK( fn.GetPath(wxPATH_NO_SEPARATOR, wxPATH_DOS) == "\\" );
CHECK( GetDOSPath(fn) == "\\" );
CHECK( fn.GetFullPath(wxPATH_DOS) == "\\\\?\\Volume{8089d7d7-d0ac-11db-9dd0-806d6172696f}\\" );
fn.Assign("\\\\?\\Volume{8089d7d7-d0ac-11db-9dd0-806d6172696f}\\"
"Program Files\\setup.exe", wxPATH_DOS);
CHECK( fn.GetVolume() == "\\\\?\\Volume{8089d7d7-d0ac-11db-9dd0-806d6172696f}" );
CHECK( fn.GetPath(wxPATH_NO_SEPARATOR, wxPATH_DOS) == "\\Program Files" );
CHECK( GetDOSPath(fn) == "\\Program Files" );
CHECK( fn.GetFullPath(wxPATH_DOS) == "\\\\?\\Volume{8089d7d7-d0ac-11db-9dd0-806d6172696f}\\Program Files\\setup.exe" );
}