Add m-esr52 at 52.6.0

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;
+}