public IHierarchicalDifferenceCollection DiffSnapshotSpans(SnapshotSpan leftSpan, SnapshotSpan rightSpan, StringDifferenceOptions differenceOptions, Func <ITextSnapshotLine, string> getLineTextCallback)
{
StringDifferenceTypes type;
ITokenizedStringListInternal left;
ITokenizedStringListInternal right;
if (differenceOptions.DifferenceType.HasFlag(StringDifferenceTypes.Line))
{
type = StringDifferenceTypes.Line;
left = new SnapshotLineList(leftSpan, getLineTextCallback, differenceOptions);
right = new SnapshotLineList(rightSpan, getLineTextCallback, differenceOptions);
}
else if (differenceOptions.DifferenceType.HasFlag(StringDifferenceTypes.Word))
{
type = StringDifferenceTypes.Word;
left = new WordDecompositionList(leftSpan, differenceOptions);
right = new WordDecompositionList(rightSpan, differenceOptions);
}
else if (differenceOptions.DifferenceType.HasFlag(StringDifferenceTypes.Character))
{
type = StringDifferenceTypes.Character;
left = new CharacterDecompositionList(leftSpan);
right = new CharacterDecompositionList(rightSpan);
}
else
{
throw new ArgumentOutOfRangeException("differenceOptions");
}
return(DiffText(left, right, type, differenceOptions));
}
public IHierarchicalDifferenceCollection DiffStrings(string leftString, string rightString, StringDifferenceOptions differenceOptions)
{
if (leftString == null)
{
throw new ArgumentNullException(nameof(leftString));
}
if (rightString == null)
{
throw new ArgumentNullException(nameof(rightString));
}
StringDifferenceTypes type;
ITokenizedStringListInternal left;
ITokenizedStringListInternal right;
if (differenceOptions.DifferenceType.HasFlag(StringDifferenceTypes.Line))
{
type = StringDifferenceTypes.Line;
left = new LineDecompositionList(leftString, differenceOptions.IgnoreTrimWhiteSpace);
right = new LineDecompositionList(rightString, differenceOptions.IgnoreTrimWhiteSpace);
}
else if (differenceOptions.DifferenceType.HasFlag(StringDifferenceTypes.Word))
{
type = StringDifferenceTypes.Word;
left = new WordDecompositionList(leftString, differenceOptions);
right = new WordDecompositionList(rightString, differenceOptions);
}
else if (differenceOptions.DifferenceType.HasFlag(StringDifferenceTypes.Character))
{
type = StringDifferenceTypes.Character;
left = new CharacterDecompositionList(leftString);
right = new CharacterDecompositionList(rightString);
}
else
{
throw new ArgumentOutOfRangeException("differenceOptions");
}
return(DiffText(left, right, type, differenceOptions));
}