public ModelDelta Revert(IDataModel model)
{
var reverse = new ModelDelta {
HasDataChange = HasDataChange
};
foreach (var kvp in oldData)
{
var(index, data) = (kvp.Key, kvp.Value);
reverse.oldData[index] = model[index];
model[index] = data;
}
foreach (var kvp in addedRuns)
{
reverse.removedRuns[kvp.Key] = kvp.Value;
}
foreach (var kvp in removedRuns)
{
reverse.addedRuns[kvp.Key] = kvp.Value;
}
foreach (var kvp in addedNames)
{
reverse.removedNames[kvp.Key] = kvp.Value;
}
foreach (var kvp in removedNames)
{
reverse.addedNames[kvp.Key] = kvp.Value;
}
foreach (var kvp in addedUnmappedPointers)
{
reverse.removedUnmappedPointers[kvp.Key] = kvp.Value;
}
foreach (var kvp in removedUnmappedPointers)
{
reverse.addedUnmappedPointers[kvp.Key] = kvp.Value;
}
foreach (var kvp in addedMatchedWords)
{
reverse.removedMatchedWords[kvp.Key] = kvp.Value;
}
foreach (var kvp in removedMatchedWords)
{
reverse.addedMatchedWords[kvp.Key] = kvp.Value;
}
model.MassUpdateFromDelta(addedRuns, removedRuns, addedNames, removedNames, addedUnmappedPointers, removedUnmappedPointers, addedMatchedWords, removedMatchedWords);
return(reverse);
}
public ModelDelta Revert(IDataModel model)
{
var reverse = new ModelDelta {
HasDataChange = HasDataChange
};
foreach (var kvp in oldData)
{
var(index, data) = (kvp.Key, kvp.Value);
reverse.oldData[index] = model.Count > index ? model[index] : (byte)0xFF;
if (model.Count > index)
{
model[index] = data;
}
}
foreach (var kvp in addedRuns)
{
reverse.removedRuns[kvp.Key] = kvp.Value;
}
foreach (var kvp in removedRuns)
{
reverse.addedRuns[kvp.Key] = kvp.Value;
}
foreach (var kvp in addedNames)
{
reverse.removedNames[kvp.Key] = kvp.Value;
}
foreach (var kvp in removedNames)
{
reverse.addedNames[kvp.Key] = kvp.Value;
}
foreach (var kvp in addedLists)
{
reverse.removedLists[kvp.Key] = kvp.Value;
}
foreach (var kvp in removedLists)
{
reverse.addedLists[kvp.Key] = kvp.Value;
}
foreach (var kvp in addedMatchedWords)
{
reverse.removedMatchedWords[kvp.Key] = kvp.Value;
}
foreach (var kvp in removedMatchedWords)
{
reverse.addedMatchedWords[kvp.Key] = kvp.Value;
}
foreach (var kvp in addedOffsetPointers)
{
reverse.removedOffsetPointers[kvp.Key] = kvp.Value;
}
foreach (var kvp in removedOffsetPointers)
{
reverse.addedOffsetPointers[kvp.Key] = kvp.Value;
}
foreach (var kvp in addedUnmappedPointers)
{
reverse.removedUnmappedPointers[kvp.Key] = kvp.Value;
}
foreach (var kvp in removedUnmappedPointers)
{
reverse.addedUnmappedPointers[kvp.Key] = kvp.Value;
}
foreach (var kvp in addedUnmappedConstants)
{
reverse.removedUnmappedConstants[kvp.Key] = kvp.Value;
}
foreach (var kvp in removedUnmappedConstants)
{
reverse.addedUnmappedConstants[kvp.Key] = kvp.Value;
}
if (oldDataLength != -1 || newDataLength != -1)
{
model.ExpandData(reverse, oldDataLength - 1);
model.ContractData(reverse, oldDataLength - 1);
}
model.MassUpdateFromDelta(addedRuns, removedRuns,
addedNames, removedNames,
addedUnmappedPointers, removedUnmappedPointers,
addedMatchedWords, removedMatchedWords,
addedOffsetPointers, removedOffsetPointers,
addedUnmappedConstants, removedUnmappedConstants,
addedLists, removedLists);
return(reverse);
}