/// <summary>
/// including an example where nothing should be extracted, e.g. because the desired information is not present
/// </summary>
/// <param name="inputPath">the path to the example file</param>
/// <returns></returns>
public override AnalysisSession <string> AddCompletelyNegativeExample(string inputPath)
{
var inputRegion = AnalysisUtil.RegionFromFile(inputPath);
session.Constraints.Add(new RegionNegativeExample(inputRegion, inputRegion));
return(this);
}
public override AnalysisSession <string> AddExample(ExampleData <string> exampleData)
{
var inputRegion = AnalysisUtil.RegionFromFile(exampleData.InputPath);
var startIndex = inputRegion.S.IndexOf(exampleData.Output, StringComparison.Ordinal);
Console.WriteLine(exampleData.InputPath);
var outputRegion = inputRegion.Slice((uint)startIndex, (uint)(startIndex) + ((uint)exampleData.Output.Length));
session.Constraints.Add(new RegionExample(inputRegion, outputRegion));
return(this);
}
/// <summary>
/// Analyze the file in <param name="inputPath"></param> using a program learned new from the currently present exampleset.
/// </summary>
/// <returns>The extraction result.</returns>
public override AnalysisResult <string> Analyze(string inputPath, AnalysisResult <string> result, bool verbose)
{
ConsolePrinter consolePrinter = new ConsolePrinter(verbose);
var inputRegion = AnalysisUtil.RegionFromFile(inputPath);
result.TestInputLineCount = AnalysisUtil.BuildlogLineCount(inputPath);
consolePrinter.WriteLine("Starting to learn program");
Stopwatch learningStopwatch = Stopwatch.StartNew();
RegionProgram topRankedProgram = session.Learn();
learningStopwatch.Stop();
consolePrinter.WriteLine("Learning took " + learningStopwatch.Elapsed);
result.LearningDuration = learningStopwatch.Elapsed;
result.TestInputPath = inputPath;
if (topRankedProgram == null)
{
consolePrinter.WriteLine("no program found");
result.Successful = false;
result.Output = "no program found";
return(result);
}
consolePrinter.WriteLine("Learned Program:");
consolePrinter.WriteLine(topRankedProgram);
consolePrinter.WriteLine("");
result.LearnedProgram = topRankedProgram.ToString();
consolePrinter.WriteLine("Starting to apply program");
Stopwatch applyingStopwatch = Stopwatch.StartNew();
StringRegion output = topRankedProgram.Run(inputRegion);
applyingStopwatch.Stop();
consolePrinter.WriteLine("Applying took " + applyingStopwatch.Elapsed);
result.ApplicationDuration = applyingStopwatch.Elapsed;
if (output == null)
{
result.Successful = false;
result.Output = "no extraction found for this input";
return(result);
}
result.Successful = true;
result.Output = output?.Value;
return(result);
}
public override AnalysisResult <string[]> Analyze(string inputPath, AnalysisResult <string[]> result, bool verbose)
{
var inputRegion = AnalysisUtil.RegionFromFile(inputPath);
SequenceProgram topRankedProgram = session.Learn();
if (topRankedProgram == null)
{
Console.Error.WriteLine("no program found");
return(null);
}
List <StringRegion> output = topRankedProgram.Run(inputRegion).ToList();
result.Output = output.Select(o => o.Value).ToArray();
return(result);
}
public override AnalysisSession <string[]> AddExample(ExampleData <string[]> exampleData)
{
var inputRegion = AnalysisUtil.RegionFromFile(exampleData.InputPath);
List <StringRegion> outputRegions = new List <StringRegion>();
foreach (string output in exampleData.Output)
{
var startIndex = inputRegion.S.IndexOf(output, StringComparison.Ordinal);
var outputRegion = inputRegion.Slice((uint)startIndex, (uint)(startIndex + output.Length));
outputRegions.Add(outputRegion);
}
session.Constraints.Add(new SequenceExample(inputRegion, outputRegions));
return(this);
}
public override AnalysisSession <string> AddInput(string inputPath)
{
session.Inputs.Add(new[] { AnalysisUtil.RegionFromFile(inputPath) });
return(this);
}