Revert "tdf#120158: fix ImplGetParameterString for typename"

This reverts commit 40e22f1e.  See the commit
message of <https://gerrit.libreoffice.org/61684> "tdf#120158: Base
CMimeContentType on INetMIME::scanContentType" why that change is considered a
superior fix compared to the reverted one.

Change-Id: I1a0d77edee5bb18a98890d2021c777bc4c148a26
Reviewed-on: https://gerrit.libreoffice.org/61686
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

svtools/source/misc/transfer.cxx

@@ -104,25 +104,6 @@ SvStream& WriteTransferableObjectDescriptor( SvStream& rOStm, const Transferable
     return rOStm;
 }
 
-// Clean OUString given in parameter
-// by returning an other OUString containing only authorized chars
-static OUString lcl_getAuthorizedCharsString(const OUString& rInputString)
-{
-    sal_Bool pToAccept[128];
-    for (sal_Bool & rb : pToAccept)
-        rb = false;
-
-    const char aQuotedParamChars[] =
-        "()<>@,;:/[]?=!#$&'*+-0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ^_`abcdefghijklmnopqrstuvwxyz{|}~. ";
-
-    for ( sal_Int32 nInd = 0; nInd < RTL_CONSTASCII_LENGTH(aQuotedParamChars); ++nInd )
-    {
-        sal_Unicode nChar = aQuotedParamChars[nInd];
-        if ( nChar < 128 )
-            pToAccept[nChar] = true;
-    }
-    return rtl::Uri::encode(rInputString, pToAccept, rtl_UriEncodeIgnoreEscapes, RTL_TEXTENCODING_UTF8);
-}
 
 // the reading of the parameter is done using the special service css::datatransfer::MimeContentType,
 // a similar approach should be implemented for creation of the mimetype string;
@@ -140,14 +121,32 @@ static OUString ImplGetParameterString( const TransferableObjectDescriptor& rObj
 
     if( !rObjDesc.maTypeName.isEmpty() )
     {
-        // the type name might contain unacceptable characters, encode all of them
-        aParams += ";typename=\"" + lcl_getAuthorizedCharsString(rObjDesc.maTypeName) + "\"";
+        aParams += ";typename=\""  + rObjDesc.maTypeName + "\"";
     }
 
     if( !rObjDesc.maDisplayName.isEmpty() )
     {
         // the display name might contain unacceptable characters, encode all of them
-        aParams += ";displayname=\"" + lcl_getAuthorizedCharsString(rObjDesc.maDisplayName) + "\"";
+        // this seems to be the only parameter currently that might contain such characters
+        sal_Bool pToAccept[128];
+        for (sal_Bool & rb : pToAccept)
+            rb = false;
+
+        const char aQuotedParamChars[] =
+            "()<>@,;:/[]?=!#$&'*+-0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ^_`abcdefghijklmnopqrstuvwxyz{|}~. ";
+
+        for ( sal_Int32 nInd = 0; nInd < RTL_CONSTASCII_LENGTH(aQuotedParamChars); ++nInd )
+        {
+            sal_Unicode nChar = aQuotedParamChars[nInd];
+            if ( nChar < 128 )
+                pToAccept[nChar] = true;
+        }
+
+        aParams += ";displayname=\""
+            + rtl::Uri::encode(
+                rObjDesc.maDisplayName, pToAccept, rtl_UriEncodeIgnoreEscapes,
+                RTL_TEXTENCODING_UTF8)
+            + "\"";
     }
 
     aParams += ";viewaspect=\"" + OUString::number(rObjDesc.mnViewAspect)
@@ -188,7 +187,7 @@ static void ImplSetParameterString( TransferableObjectDescriptor& rObjDesc, cons
 
             if( xMimeType->hasParameter( aTypeNameString ) )
             {
-                rObjDesc.maTypeName = ::rtl::Uri::decode( xMimeType->getParameterValue( aTypeNameString ), rtl_UriDecodeWithCharset, RTL_TEXTENCODING_UTF8 );
+                rObjDesc.maTypeName = xMimeType->getParameterValue( aTypeNameString );
             }
 
             if( xMimeType->hasParameter( aDisplayNameString ) )
@@ -1202,9 +1201,8 @@ void TransferableDataHelper::FillDataFlavorExVector( const Sequence< DataFlavor
                 if( !rFlavor.MimeType.isEmpty() )
                     xMimeType = xMimeFact->createMimeContentType( rFlavor.MimeType );
             }
-            catch( const css::uno::Exception& e)
+            catch( const css::uno::Exception& )
             {
-                SAL_WARN("svtools.misc", "Something went wrong with calling to createMimeContentType: \"" << e << "\"");
             }
 
             aFlavorEx.MimeType = rFlavor.MimeType;