diff options
Diffstat (limited to 'netwerk/base/nsURLHelperUnix.cpp')
-rw-r--r-- | netwerk/base/nsURLHelperUnix.cpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/netwerk/base/nsURLHelperUnix.cpp b/netwerk/base/nsURLHelperUnix.cpp new file mode 100644 index 0000000000..5b36770d75 --- /dev/null +++ b/netwerk/base/nsURLHelperUnix.cpp @@ -0,0 +1,112 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* vim:set ts=4 sw=4 et cindent: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* Unix-specific local file uri parsing */ +#include "nsURLHelper.h" +#include "nsEscape.h" +#include "nsIFile.h" +#include "nsNativeCharsetUtils.h" + +nsresult +net_GetURLSpecFromActualFile(nsIFile *aFile, nsACString &result) +{ + nsresult rv; + nsAutoCString nativePath, ePath; + nsAutoString path; + + rv = aFile->GetNativePath(nativePath); + if (NS_FAILED(rv)) return rv; + + // Convert to unicode and back to check correct conversion to native charset + NS_CopyNativeToUnicode(nativePath, path); + NS_CopyUnicodeToNative(path, ePath); + + // Use UTF8 version if conversion was successful + if (nativePath == ePath) + CopyUTF16toUTF8(path, ePath); + else + ePath = nativePath; + + nsAutoCString escPath; + NS_NAMED_LITERAL_CSTRING(prefix, "file://"); + + // Escape the path with the directory mask + if (NS_EscapeURL(ePath.get(), -1, esc_Directory+esc_Forced, escPath)) + escPath.Insert(prefix, 0); + else + escPath.Assign(prefix + ePath); + + // esc_Directory does not escape the semicolons, so if a filename + // contains semicolons we need to manually escape them. + // This replacement should be removed in bug #473280 + escPath.ReplaceSubstring(";", "%3b"); + result = escPath; + return NS_OK; +} + +nsresult +net_GetFileFromURLSpec(const nsACString &aURL, nsIFile **result) +{ + // NOTE: See also the implementation in nsURLHelperOSX.cpp, + // which is based on this. + + nsresult rv; + + nsCOMPtr<nsIFile> localFile; + rv = NS_NewNativeLocalFile(EmptyCString(), true, getter_AddRefs(localFile)); + if (NS_FAILED(rv)) + return rv; + + nsAutoCString directory, fileBaseName, fileExtension, path; + + rv = net_ParseFileURL(aURL, directory, fileBaseName, fileExtension); + if (NS_FAILED(rv)) return rv; + + if (!directory.IsEmpty()) { + rv = NS_EscapeURL(directory, esc_Directory|esc_AlwaysCopy, path, + mozilla::fallible); + if (NS_FAILED(rv)) + return rv; + } + if (!fileBaseName.IsEmpty()) { + rv = NS_EscapeURL(fileBaseName, esc_FileBaseName|esc_AlwaysCopy, path, + mozilla::fallible); + if (NS_FAILED(rv)) + return rv; + } + if (!fileExtension.IsEmpty()) { + path += '.'; + rv = NS_EscapeURL(fileExtension, esc_FileExtension|esc_AlwaysCopy, path, + mozilla::fallible); + if (NS_FAILED(rv)) + return rv; + } + + 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; + + localFile.forget(result); + return NS_OK; +} |