static PRBool pathBeginsWithVolName(const nsACString& path, nsACString& firstPathComponent)
{
// Return whether the 1st path component in path (escaped) is equal to the name
// of a mounted volume. Return the 1st path component (unescaped) in any case.
// This needs to be done as quickly as possible, so we cache a list of volume names.
// XXX Register an event handler to detect drives being mounted/unmounted?
static nsCStringArray gVolumeList; // We will leak this - one for the life of the app :-/
// Cache a list of volume names
if (!gVolumeList.Count()) {
OSErr err;
ItemCount volumeIndex = 1;
do {
HFSUniStr255 volName;
FSRef rootDirectory;
err = ::FSGetVolumeInfo(0, volumeIndex, NULL, kFSVolInfoNone, NULL, &volName, &rootDirectory);
if (err == noErr) {
NS_ConvertUTF16toUTF8 volNameStr(Substring((PRUnichar *)volName.unicode,
(PRUnichar *)volName.unicode + volName.length));
gVolumeList.AppendCString(volNameStr);
volumeIndex++;
}
} while (err == noErr);
}
// Extract the first component of the path
nsACString::const_iterator start;
path.BeginReading(start);
start.advance(1); // path begins with '/'
nsACString::const_iterator directory_end;
path.EndReading(directory_end);
nsACString::const_iterator component_end(start);
FindCharInReadable('/', component_end, directory_end);
nsCAutoString flatComponent((Substring(start, component_end)));
NS_UnescapeURL(flatComponent);
PRInt32 foundIndex = gVolumeList.IndexOf(flatComponent);
firstPathComponent = flatComponent;
return (foundIndex != -1);
}
static void AppendElements(nsCStringArray& target, nsCStringArray& source)
{
for (PRInt32 i = source.Count() - 1; i >= 0; i--)
target.AppendCString(*source.CStringAt(i));
}
