nsresult
net_GetFileFromURLSpec(const nsACString &aURL, nsIFile **result)
{
// NOTE: See also the implementation in nsURLHelperOSX.cpp,
// which is based on this.
nsresult rv;
nsCOMPtr<nsILocalFile> localFile;
rv = NS_NewNativeLocalFile(EmptyCString(), PR_TRUE, getter_AddRefs(localFile));
if (NS_FAILED(rv))
return rv;
nsCAutoString directory, fileBaseName, fileExtension, path;
rv = net_ParseFileURL(aURL, directory, fileBaseName, fileExtension);
if (NS_FAILED(rv)) return rv;
if (!directory.IsEmpty())
NS_EscapeURL(directory, esc_Directory|esc_AlwaysCopy, path);
if (!fileBaseName.IsEmpty())
NS_EscapeURL(fileBaseName, esc_FileBaseName|esc_AlwaysCopy, path);
if (!fileExtension.IsEmpty()) {
path += '.';
NS_EscapeURL(fileExtension, esc_FileExtension|esc_AlwaysCopy, path);
}
NS_UnescapeURL(path);
if (path.Length() != strlen(path.get()))
return NS_ERROR_FILE_INVALID_PATH;
if (IsUTF8(path)) {
// speed up the start-up where UTF-8 is the native charset
// (e.g. on recent Linux distributions)
if (NS_IsNativeUTF8())
rv = localFile->InitWithNativePath(path);
else
rv = localFile->InitWithPath(NS_ConvertUTF8toUTF16(path));
// XXX In rare cases, a valid UTF-8 string can be valid as a native
// encoding (e.g. 0xC5 0x83 is valid both as UTF-8 and Windows-125x).
// However, the chance is very low that a meaningful word in a legacy
// encoding is valid as UTF-8.
}
else
// if path is not in UTF-8, assume it is encoded in the native charset
rv = localFile->InitWithNativePath(path);
if (NS_FAILED(rv)) return rv;
NS_ADDREF(*result = localFile);
return NS_OK;
}
nsresult
net_GetFileFromURLSpec(const nsACString &aURL, nsIFile **result)
{
nsresult rv;
nsCOMPtr<nsIFile> localFile(
do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
if (NS_FAILED(rv)) {
NS_ERROR("Only nsIFile supported right now");
return rv;
}
localFile->SetFollowLinks(true);
const nsACString *specPtr;
nsAutoCString buf;
if (net_NormalizeFileURL(aURL, buf))
specPtr = &buf;
else
specPtr = &aURL;
nsAutoCString directory, fileBaseName, fileExtension;
rv = net_ParseFileURL(*specPtr, directory, fileBaseName, fileExtension);
if (NS_FAILED(rv)) return rv;
nsAutoCString path;
if (!directory.IsEmpty()) {
NS_EscapeURL(directory, esc_Directory|esc_AlwaysCopy, path);
if (path.Length() > 2 && path.CharAt(2) == '|')
path.SetCharAt(':', 2);
path.ReplaceChar('/', '\\');
}
if (!fileBaseName.IsEmpty())
NS_EscapeURL(fileBaseName, esc_FileBaseName|esc_AlwaysCopy, path);
if (!fileExtension.IsEmpty()) {
path += '.';
NS_EscapeURL(fileExtension, esc_FileExtension|esc_AlwaysCopy, path);
}
NS_UnescapeURL(path);
if (path.Length() != strlen(path.get()))
return NS_ERROR_FILE_INVALID_PATH;
// remove leading '\'
if (path.CharAt(0) == '\\')
path.Cut(0, 1);
if (IsUTF8(path))
rv = localFile->InitWithPath(NS_ConvertUTF8toUTF16(path));
// XXX In rare cases, a valid UTF-8 string can be valid as a native
// encoding (e.g. 0xC5 0x83 is valid both as UTF-8 and Windows-125x).
// However, the chance is very low that a meaningful word in a legacy
// encoding is valid as UTF-8.
else
// if path is not in UTF-8, assume it is encoded in the native charset
rv = localFile->InitWithNativePath(path);
if (NS_FAILED(rv)) return rv;
NS_ADDREF(*result = localFile);
return NS_OK;
}
nsresult
net_GetFileFromURLSpec(const nsACString &aURL, nsIFile **result)
{
// NOTE: See also the implementation in nsURLHelperUnix.cpp
// This matches it except for the HFS path handling and file
// system charset conversion.
nsresult rv;
nsCOMPtr<nsILocalFile> localFile;
rv = NS_NewNativeLocalFile(EmptyCString(), PR_TRUE, getter_AddRefs(localFile));
if (NS_FAILED(rv))
return rv;
nsCAutoString directory, fileBaseName, fileExtension, path;
PRBool bHFSPath = PR_FALSE;
rv = net_ParseFileURL(aURL, directory, fileBaseName, fileExtension);
if (NS_FAILED(rv))
return rv;
if (!directory.IsEmpty()) {
NS_EscapeURL(directory, esc_Directory|esc_AlwaysCopy, path);
// The canonical form of file URLs on OSX use POSIX paths:
// file:///path-name.
// But, we still encounter file URLs that use HFS paths:
// file:///volume-name/path-name
// Determine that here and normalize HFS paths to POSIX.
nsCAutoString possibleVolName;
if (pathBeginsWithVolName(directory, possibleVolName)) {
// Though we know it begins with a volume name, it could still
// be a valid POSIX path if the boot drive is named "Mac HD"
// and there is a directory "Mac HD" at its root. If such a
// directory doesn't exist, we'll assume this is an HFS path.
FSRef testRef;
possibleVolName.Insert("/", 0);
if (::FSPathMakeRef((UInt8*)possibleVolName.get(), &testRef, nsnull) != noErr)
bHFSPath = PR_TRUE;
}
if (bHFSPath) {
// "%2F"s need to become slashes, while all other slashes need to
// become colons. If we start out by changing "%2F"s to colons, we
// can reply on SwapSlashColon() to do what we need
path.ReplaceSubstring("%2F", ":");
path.Cut(0, 1); // directory begins with '/'
SwapSlashColon((char *)path.get());
// At this point, path is an HFS path made using the same
// algorithm as nsURLHelperMac. We'll convert to POSIX below.
}
}
if (!fileBaseName.IsEmpty())
NS_EscapeURL(fileBaseName, esc_FileBaseName|esc_AlwaysCopy, path);
if (!fileExtension.IsEmpty()) {
path += '.';
NS_EscapeURL(fileExtension, esc_FileExtension|esc_AlwaysCopy, path);
}
NS_UnescapeURL(path);
if (path.Length() != strlen(path.get()))
return NS_ERROR_FILE_INVALID_PATH;
if (bHFSPath)
convertHFSPathtoPOSIX(path, path);
// assuming path is encoded in the native charset
rv = localFile->InitWithNativePath(path);
if (NS_FAILED(rv))
return rv;
NS_ADDREF(*result = localFile);
return NS_OK;
}