I'm sorry Dave, I'm afraid I can't allow this checkin. Backing out rjc's change from earlier (121546). r=jrgm

netwerk/base/src/nsIOServiceMac.cpp

@@ -68,22 +68,18 @@ NS_IMETHODIMP nsIOService::GetURLSpecFromFile(nsIFile* aFile, char * *aURL)
      *aURL = nsnull;
      
      nsresult rv;
-     nsXPIDLCString ePath;
+     char* ePath = nsnull;
      nsCAutoString escPath;
  
-     rv = aFile->GetPath(getter_Copies(ePath));
+     rv = aFile->GetPath(&ePath);
      if (NS_SUCCEEDED(rv)) {
  
-         SwapSlashColon((char*)ePath.get());
+         SwapSlashColon(ePath);
          
          // Escape the path with the directory mask
          rv = nsStdEscape(ePath, esc_Directory+esc_Forced, escPath);
          if (NS_SUCCEEDED(rv)) {
 
-             // colons [originally slashes, before SwapSlashColon() usage above]
-             // need encoding
-             escPath.ReplaceSubstring(":", "%2F");
-
              if (escPath[escPath.Length() - 1] != '/') {
  
                  PRBool dir;
@@ -102,6 +98,7 @@ NS_IMETHODIMP nsIOService::GetURLSpecFromFile(nsIFile* aFile, char * *aURL)
              rv = *aURL ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
          }
      }
+     CRTFREEIF(ePath);
      return rv;
 }
 
@@ -139,12 +136,6 @@ NS_IMETHODIMP nsIOService::InitFileFromURLSpec(nsIFile* aFile, const char * aURL
      {
          nsStdEscape(directory, esc_Directory, component);
          path += component;
-
-         // "%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 then rely on SwapSlashColon() to do what we need
-         path.ReplaceSubstring("%2F", ":");
-
          SwapSlashColon((char*)path.get());
      }
      if (fileBaseName)

rdf/base/src/nsRDFXMLDataSource.cpp

@@ -88,11 +88,8 @@
 
  */
 
-#include "nsIFileStreams.h"
-#include "nsIOutputStream.h"
-#include "nsIFile.h"
-#include "nsIFileChannel.h"
-#include "nsAString.h"
+#include "nsFileSpec.h"
+#include "nsFileStream.h"
 #include "nsIDTD.h"
 #include "nsIRDFPurgeableDataSource.h"
 #include "nsIInputStream.h"
@@ -822,27 +819,17 @@ RDFXMLDataSourceImpl::Flush(void)
         }
     }
 
-    // Is it a file? If so, we can write to it. Some day, it'd be nice
-    // if we didn't care what kind of stream this was...
-    nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(mURL);
-    if (fileURL) {
-        nsCOMPtr<nsIFile> file;
-        fileURL->GetFile(getter_AddRefs(file));
+    // XXX Replace this with channels someday soon...
+    nsFileURL url(mOriginalURLSpec, PR_TRUE);
+    nsFileSpec path(url);
 
-        if (file) {
-            nsCOMPtr<nsIOutputStream> out;
-            NS_NewLocalFileOutputStream(getter_AddRefs(out), file);
+    nsOutputFileStream out(path);
+    if (! out.is_open())
+        return NS_ERROR_FAILURE;
 
-            nsCOMPtr<nsIOutputStream> bufferedOut;
-            if (out)
-                NS_NewBufferedOutputStream(getter_AddRefs(bufferedOut), out, 4096);
-
-            if (bufferedOut) {
-                rv = Serialize(bufferedOut);
-                if (NS_FAILED(rv)) return rv;
-            }
-        }
-    }
+    nsCOMPtr<nsIOutputStream> outIStream = out.GetIStream();
+    if (NS_FAILED(rv = Serialize(outIStream)))
+        goto done;
 
     mIsDirty = PR_FALSE;
 

rdf/datasource/src/nsLocalStore.cpp

@@ -42,10 +42,8 @@
 
  */
 
-#include "nsNetUtil.h"
-#include "nsIURI.h"
-#include "nsIIOService.h"
-#include "nsIOutputStream.h"
+#include "nsIFileSpec.h"
+#include "nsFileStream.h"
 #include "nsIComponentManager.h"
 #include "nsILocalStore.h"
 #include "nsIRDFDataSource.h"
@@ -398,42 +396,34 @@ LocalStoreImpl::LoadData()
     // directory. Bomb if we can't find it.
 
     nsCOMPtr<nsIFile> aFile;
+    nsCOMPtr<nsIFileSpec> tempSpec;
+
     rv = NS_GetSpecialDirectory(NS_APP_LOCALSTORE_50_FILE, getter_AddRefs(aFile));
     if (NS_FAILED(rv)) return rv;
 
-    nsCOMPtr<nsIURI> aURI;
-    rv = NS_NewFileURI(getter_AddRefs(aURI), aFile);
+    // Turn the nsIFile into a nsFileSpec.
+    // This is evil! nsOutputFileStream needs
+    // to take an nsILocalFile (bug #46394)
+    nsXPIDLCString pathBuf;
+    rv = aFile->GetPath(getter_Copies(pathBuf));
     if (NS_FAILED(rv)) return rv;
+    nsFileSpec spec((const char *)pathBuf);
 
-    PRBool fileExistsFlag = PR_FALSE;
-    (void)aFile->Exists(&fileExistsFlag);
-    if (!fileExistsFlag) {
-        nsCOMPtr<nsIOutputStream> outStream;
-        rv = NS_NewLocalFileOutputStream(getter_AddRefs(outStream), aFile);
-        if (NS_FAILED(rv))
-            return rv;
+    if (! spec.Exists()) {
+        {
+            nsOutputFileStream os(spec);
 
-        const char defaultRDF[] = 
-            "<?xml version=\"1.0\"?>\n" \
-            "<RDF:RDF xmlns:RDF=\"" RDF_NAMESPACE_URI "\"\n" \
-            "         xmlns:NC=\""  NC_NAMESPACE_URI "\">\n" \
-            "  <!-- Empty -->\n" \
-            "</RDF:RDF>\n";
-
-        PRUint32 count;
-        rv = outStream->Write(defaultRDF, sizeof(defaultRDF)-1, &count);
-        if (NS_FAILED(rv))
-            return rv;
-
-        if (count != sizeof(defaultRDF)-1)
-            return NS_ERROR_UNEXPECTED;
+            os << "<?xml version=\"1.0\"?>" << nsEndl;
+            os << "<RDF:RDF xmlns:RDF=\"" << RDF_NAMESPACE_URI << "\"" << nsEndl;
+            os << "         xmlns:NC=\""  << NC_NAMESPACE_URI  << "\">" << nsEndl;
+            os << "  <!-- Empty -->" << nsEndl;
+            os << "</RDF:RDF>" << nsEndl;
+        }
 
         // Okay, now see if the file exists _for real_. If it's still
         // not there, it could be that the profile service gave us
         // back a read-only directory. Whatever.
-        fileExistsFlag = PR_FALSE;
-        (void)aFile->Exists(&fileExistsFlag);
-        if (!fileExistsFlag)
+        if (! spec.Exists())
             return NS_ERROR_UNEXPECTED;
     }
 
@@ -443,11 +433,7 @@ LocalStoreImpl::LoadData()
     nsCOMPtr<nsIRDFRemoteDataSource> remote = do_QueryInterface(mInner, &rv);
     if (NS_FAILED(rv)) return rv;
 
-    nsXPIDLCString spec;
-    rv = aURI->GetSpec(getter_Copies(spec));
-    if (NS_FAILED(rv)) return rv;
-
-    rv = remote->Init(spec);
+    rv = remote->Init((const char*) nsFileURL(spec));
     if (NS_FAILED(rv)) return rv;
 
     // Read the datasource synchronously.