protected string Repr(object value)
{
if (value == null)
{
return("null");
}
Type t = value.GetType();
if (t == typeof(int[]))
{
return("[" + String.Join(",", value as int[]) + "]");
}
var tsString = value as ITsString;
if (tsString != null)
{
return(ConvertFdoToMongoTsStrings.TextFromTsString(tsString, _cache.WritingSystemFactory));
}
var multi = value as IMultiAccessorBase;
if (multi != null)
{
int[] writingSystemIds;
try {
writingSystemIds = multi.AvailableWritingSystemIds;
} catch (NotImplementedException) {
// It's probably a VirtualStringAccessor, which we can't handle. Punt.
return(value.ToString());
}
var sb = new System.Text.StringBuilder();
sb.Append("{ ");
foreach (int ws in multi.AvailableWritingSystemIds)
{
sb.Append(ws);
sb.Append(": ");
sb.Append(ConvertFdoToMongoTsStrings.TextFromTsString(multi.get_String(ws), _cache.WritingSystemFactory));
sb.Append(", ");
}
sb.Append("}");
return(sb.ToString());
}
return(value.ToString());
}
protected IDictionary <string, Tuple <string, string> > GetFdoDifferences(
FdoCache cache,
IDictionary <int, object> fieldValuesBeforeTest,
IDictionary <int, object> fieldValuesAfterTest
)
{
IFwMetaDataCacheManaged mdc = cache.ServiceLocator.MetaDataCache;
var fieldNamesThatShouldBeDifferent = new string[] {
};
var fieldNamesToSkip = new string[] {
// These are ComObject or SIL.FieldWorks.FDO.DomainImpl.VirtualStringAccessor instances, which we can't compare
// "FullReferenceName",
// "HeadWord",
// "HeadWordRef",
// "HeadWordReversal",
// "LexSenseOutline",
// "MLHeadWord",
// "MLOwnerOutlineName",
// "ReversalEntriesBulkText",
// "ReversalName",
};
var differencesByName = new Dictionary <string, Tuple <string, string> >(); // Tuple of (before, after)
foreach (int flid in fieldValuesBeforeTest.Keys)
{
if (mdc.IsCustom(flid))
{
continue;
}
string fieldName = mdc.GetFieldNameOrNull(flid);
if (String.IsNullOrEmpty(fieldName))
{
continue;
}
object valueBeforeTest = fieldValuesBeforeTest[flid];
object valueAfterTest = fieldValuesAfterTest[flid];
// Some fields, like DateModified, *should* be different
if (fieldNamesThatShouldBeDifferent.Contains(fieldName) ||
fieldNamesToSkip.Contains(fieldName))
{
continue;
}
if ((valueAfterTest == null && valueBeforeTest == null))
{
continue;
}
if (mdc.GetFieldType(flid) == (int)CellarPropertyType.String)
{
// Might not need this, see below
}
// Arrays need to be compared specially
Type valueType = valueBeforeTest.GetType();
if (valueType == typeof(int[]))
{
int[] before = valueBeforeTest as int[];
int[] after = valueAfterTest as int[];
if (before.SequenceEqual(after))
{
continue;
}
}
// So do TsString objects
var tsStringBeforeTest = valueBeforeTest as ITsString;
var tsStringAfterTest = valueAfterTest as ITsString;
if (tsStringBeforeTest != null && tsStringAfterTest != null)
{
TsStringDiffInfo diffInfo = TsStringUtils.GetDiffsInTsStrings(tsStringBeforeTest, tsStringAfterTest);
if (diffInfo != null)
{
differencesByName[fieldName] = new Tuple <string, string>(
ConvertFdoToMongoTsStrings.TextFromTsString(tsStringBeforeTest, _cache.WritingSystemFactory),
ConvertFdoToMongoTsStrings.TextFromTsString(tsStringAfterTest, _cache.WritingSystemFactory)
);
}
continue;
}
// So do multistrings
var multiStrBeforeTest = valueBeforeTest as IMultiAccessorBase;
var multiStrAfterTest = valueAfterTest as IMultiAccessorBase;
if (multiStrBeforeTest != null && multiStrAfterTest != null)
{
int[] wsIds;
try
{
wsIds = multiStrBeforeTest.AvailableWritingSystemIds;
}
catch (NotImplementedException)
{
// This is a VirtualStringAccessor, which we can't easily compare. Punt.
continue;
}
foreach (int wsId in wsIds)
{
string beforeStr = ConvertFdoToMongoTsStrings.TextFromTsString(multiStrBeforeTest.get_String(wsId), _cache.WritingSystemFactory);
string afterStr = ConvertFdoToMongoTsStrings.TextFromTsString(multiStrAfterTest.get_String(wsId), _cache.WritingSystemFactory);
if (beforeStr != afterStr)
{
string wsStr = cache.WritingSystemFactory.GetStrFromWs(wsId);
differencesByName[fieldName + ":" + wsStr] = new Tuple <string, string>(beforeStr, afterStr);
}
}
continue;
}
if (valueBeforeTest.Equals(valueAfterTest))
{
continue;
}
// if (Repr(valueBeforeTest) == Repr(valueAfterTest))
// continue; // This should catch TsStrings
// If we get this far, they're different
var diff = new Tuple <string, string>(Repr(fieldValuesBeforeTest[flid]), Repr(fieldValuesAfterTest[flid]));
differencesByName[fieldName] = diff;
}
return(differencesByName);
}