private T ParseValues(string input, List <Diff> diffs, List <string> tokenNames)
{
var output = OutputBuilder.InitializeOutput(diffs);
int variableIndex = -1;
int valueIndex = -1;
int valueLength = 0;
int commonLength = 0;
int diffTemplate = 0;
int diffInput = 0;
int totalParsedLength = 0;
for (int i = 0; i <= diffs.Count; i++)
{
bool tokenProcessed = valueIndex != -1;
if (i < diffs.Count)
{
var part = diffs[i];
switch (part.operation)
{
case Operation.DELETE:
{
int cnt = Utilities.SubstringCount(part.text, ParseProcessor.ProcessedToken);
variableIndex += cnt;
diffTemplate += part.text.Length - ParseProcessor.ProcessedToken.Length * cnt;
if (part.text.EndsWith(ParseProcessor.ProcessedToken))
{
valueIndex = commonLength + diffInput;
valueLength = 0;
}
}
break;
case Operation.INSERT:
{
if (tokenProcessed)
{
totalParsedLength += part.text.Length;
valueLength += part.text.Length;
tokenProcessed = false;
}
diffInput += part.text.Length;
}
break;
case Operation.EQUAL:
{
commonLength += part.text.Length;
}
break;
}
}
if (tokenProcessed)
{
string parsedValue = ParseProcessor.Postprocess(input.Substring(valueIndex, valueLength), null);
output = OutputBuilder.TokenParsed(output, tokenNames[variableIndex], parsedValue);
valueIndex = -1;
}
}
double differenceNormalized = 1 - (double)commonLength / (commonLength + Math.Max(diffTemplate, diffInput - totalParsedLength));
output = OutputBuilder.FinalizeOutput(output, differenceNormalized);
return(output);
}