michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* vim:set ts=4 sw=4 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /* Unix-specific local file uri parsing */
michael@0: #include "nsURLHelper.h"
michael@0: #include "nsEscape.h"
michael@0: #include "nsIFile.h"
michael@0: #include "nsNativeCharsetUtils.h"
michael@0: 
michael@0: nsresult 
michael@0: net_GetURLSpecFromActualFile(nsIFile *aFile, nsACString &result)
michael@0: {
michael@0:     nsresult rv;
michael@0:     nsAutoCString nativePath, ePath;
michael@0:     nsAutoString path;
michael@0: 
michael@0:     rv = aFile->GetNativePath(nativePath);
michael@0:     if (NS_FAILED(rv)) return rv;
michael@0: 
michael@0:     // Convert to unicode and back to check correct conversion to native charset
michael@0:     NS_CopyNativeToUnicode(nativePath, path);
michael@0:     NS_CopyUnicodeToNative(path, ePath);
michael@0: 
michael@0:     // Use UTF8 version if conversion was successful
michael@0:     if (nativePath == ePath)
michael@0:         CopyUTF16toUTF8(path, ePath);
michael@0:     else
michael@0:         ePath = nativePath;
michael@0:     
michael@0:     nsAutoCString escPath;
michael@0:     NS_NAMED_LITERAL_CSTRING(prefix, "file://");
michael@0:         
michael@0:     // Escape the path with the directory mask
michael@0:     if (NS_EscapeURL(ePath.get(), -1, esc_Directory+esc_Forced, escPath))
michael@0:         escPath.Insert(prefix, 0);
michael@0:     else
michael@0:         escPath.Assign(prefix + ePath);
michael@0: 
michael@0:     // esc_Directory does not escape the semicolons, so if a filename 
michael@0:     // contains semicolons we need to manually escape them.
michael@0:     // This replacement should be removed in bug #473280
michael@0:     escPath.ReplaceSubstring(";", "%3b");
michael@0:     result = escPath;
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: net_GetFileFromURLSpec(const nsACString &aURL, nsIFile **result)
michael@0: {
michael@0:     // NOTE: See also the implementation in nsURLHelperOSX.cpp,
michael@0:     // which is based on this.
michael@0: 
michael@0:     nsresult rv;
michael@0: 
michael@0:     nsCOMPtr<nsIFile> localFile;
michael@0:     rv = NS_NewNativeLocalFile(EmptyCString(), true, getter_AddRefs(localFile));
michael@0:     if (NS_FAILED(rv))
michael@0:       return rv;
michael@0:     
michael@0:     nsAutoCString directory, fileBaseName, fileExtension, path;
michael@0: 
michael@0:     rv = net_ParseFileURL(aURL, directory, fileBaseName, fileExtension);
michael@0:     if (NS_FAILED(rv)) return rv;
michael@0: 
michael@0:     if (!directory.IsEmpty())
michael@0:         NS_EscapeURL(directory, esc_Directory|esc_AlwaysCopy, path);
michael@0:     if (!fileBaseName.IsEmpty())
michael@0:         NS_EscapeURL(fileBaseName, esc_FileBaseName|esc_AlwaysCopy, path);
michael@0:     if (!fileExtension.IsEmpty()) {
michael@0:         path += '.';
michael@0:         NS_EscapeURL(fileExtension, esc_FileExtension|esc_AlwaysCopy, path);
michael@0:     }
michael@0:     
michael@0:     NS_UnescapeURL(path);
michael@0:     if (path.Length() != strlen(path.get()))
michael@0:         return NS_ERROR_FILE_INVALID_PATH;
michael@0: 
michael@0:     if (IsUTF8(path)) {
michael@0:         // speed up the start-up where UTF-8 is the native charset
michael@0:         // (e.g. on recent Linux distributions)
michael@0:         if (NS_IsNativeUTF8())
michael@0:             rv = localFile->InitWithNativePath(path);
michael@0:         else
michael@0:             rv = localFile->InitWithPath(NS_ConvertUTF8toUTF16(path));
michael@0:             // XXX In rare cases, a valid UTF-8 string can be valid as a native 
michael@0:             // encoding (e.g. 0xC5 0x83 is valid both as UTF-8 and Windows-125x).
michael@0:             // However, the chance is very low that a meaningful word in a legacy
michael@0:             // encoding is valid as UTF-8.
michael@0:     }
michael@0:     else 
michael@0:         // if path is not in UTF-8, assume it is encoded in the native charset
michael@0:         rv = localFile->InitWithNativePath(path);
michael@0: 
michael@0:     if (NS_FAILED(rv)) return rv;
michael@0: 
michael@0:     NS_ADDREF(*result = localFile);
michael@0:     return NS_OK;
michael@0: }