private static void Main(string[] args)
{
// create a new ProseSplit session
var splitSession = new SplitSession();
// add the input rows to the session
// each input is a StringRegion object containing the text to be split
var inputs = new List <StringRegion>
{
SplitSession.CreateStringRegion("PE5 Leonard Robledo (Australia)"),
SplitSession.CreateStringRegion("U109 Adam Jay Lucas (New Zealand)"),
SplitSession.CreateStringRegion("R342 Carrie Dodson (United States)")
};
splitSession.AddInputs(inputs);
// add the constraint to include all delimiters in the program output
splitSession.AddConstraints(new IncludeDelimitersInOutput(true));
// call the learn function to learn a splitting program from the given input examples
SplitProgram program = splitSession.Learn();
// check if the program is null (no program could be learnt from the given inputs)
if (program == null)
{
Console.WriteLine("No program learned.");
return;
}
// serialize the learnt program and then deserialize
string progText = program.Serialize();
program = SplitProgramLoader.Instance.Load(progText);
// a valid program has been learnt and we execute it on the given inputs
SplitCell[][] splitResult = inputs.Select(input => program.Run(input)).ToArray();
// display the result of the splitting
Console.WriteLine("\n\nLearning a splitting program and executing it on the given inputs:");
foreach (SplitCell[] resultRow in splitResult)
{
//each result row is an array of SplitCells representing the regions (fields or delimiters) into which the input has been split
Console.Write("\n|\t");
foreach (SplitCell cell in resultRow)
{
Console.Write(cell?.CellValue?.Value);
Console.Write("\t|\t");
}
}
// learn a program to extract only the fields and no delimiters
splitSession.RemoveAllConstraints();
splitSession.AddConstraints(new IncludeDelimitersInOutput(false));
SplitProgram programWithoutDelimiters = splitSession.Learn();
if (programWithoutDelimiters == null)
{
Console.WriteLine("No program learned.");
return;
}
splitResult = inputs.Select(input => programWithoutDelimiters.Run(input)).ToArray();
Console.WriteLine("\n\nDisplaying only extracted fields without delimiters:");
foreach (SplitCell[] resultRow in splitResult)
{
Console.Write("\n|\t");
foreach (SplitCell cell in resultRow)
{
Console.Write(cell?.CellValue?.Value);
Console.Write("\t|\t");
}
}
// execute the learnt program on some new inputs
var newInputs = new List <StringRegion>();
newInputs.Add(SplitSession.CreateStringRegion("TS51 Naomi Cole (Canada)"));
newInputs.Add(SplitSession.CreateStringRegion("Y722 Owen Murphy (United States)"));
newInputs.Add(SplitSession.CreateStringRegion("UP335 Zoe Erin Rees (UK)"));
Console.WriteLine("\n\nExecuting the program on new inputs: ");
foreach (StringRegion newInput in newInputs)
{
SplitCell[] outputForRow = programWithoutDelimiters.Run(newInput);
Console.Write("\n|\t");
foreach (SplitCell cell in outputForRow)
{
Console.Write(cell?.CellValue?.Value);
Console.Write("\t|\t");
}
}
// provide output examples to learn a program that produces a different splitting (separates the first name)
splitSession.RemoveAllConstraints();
splitSession.AddInputs(newInputs);
splitSession.AddConstraints(new IncludeDelimitersInOutput(false));
// provide examples of the desired splitting: the example input string to split, the index of the split cell in the output, and the value desired in that split cell
splitSession.AddConstraints(new NthExampleConstraint(inputs[0].Value, 0, "PE5"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[0].Value, 1, "Leonard"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[0].Value, 2, "Robledo"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[0].Value, 3, "Australia"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[1].Value, 0, "U109"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[1].Value, 1, "Adam"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[1].Value, 2, "Jay Lucas"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[1].Value, 3, "New Zealand"));
SplitProgram programFromExamples = splitSession.Learn();
if (programFromExamples == null)
{
Console.WriteLine("No program learned.");
return;
}
splitResult = splitSession.Inputs.Select(input => programFromExamples.Run(input)).ToArray();
Console.WriteLine("\n\nLearning a different splitting program from examples (separate first name):");
foreach (SplitCell[] resultRow in splitResult)
{
Console.Write("\n|\t");
foreach (SplitCell cell in resultRow)
{
Console.Write(cell?.CellValue?.Value);
Console.Write("\t|\t");
}
}
// provide different examples to learn a program that separates the last name rather than the first
splitSession.RemoveAllConstraints();
splitSession.AddConstraints(new IncludeDelimitersInOutput(false));
splitSession.AddConstraints(new NthExampleConstraint(inputs[0].Value, 0, "PE5"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[0].Value, 1, "Leonard"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[0].Value, 2, "Robledo"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[0].Value, 3, "Australia"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[1].Value, 0, "U109"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[1].Value, 1, "Adam Jay"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[1].Value, 2, "Lucas"));
splitSession.AddConstraints(new NthExampleConstraint(inputs[1].Value, 3, "New Zealand"));
SplitProgram programFromDifferentExamples = splitSession.Learn();
if (programFromDifferentExamples == null)
{
Console.WriteLine("No program learned.");
return;
}
splitResult = splitSession.Inputs.Select(input => programFromDifferentExamples.Run(input)).ToArray();
Console.WriteLine("\n\nLearning a different splitting program from different examples (separate last name):");
foreach (SplitCell[] resultRow in splitResult)
{
Console.Write("\n|\t");
foreach (SplitCell cell in resultRow)
{
Console.Write(cell?.CellValue?.Value);
Console.Write("\t|\t");
}
}
Console.WriteLine("\n\nDone.");
}
private static void Main(string[] args)
{
// create a new ProseSplit session
var splitSession = new SplitSession();
// add the input rows to the session
// each input is a StringRegion object containing the text to be split
var inputs = new List <StringRegion> {
SplitSession.CreateStringRegion("a,b;c"),
SplitSession.CreateStringRegion("1,2;3")
};
splitSession.AddInputs(inputs);
// add the constraint to include all delimiters in the program output
splitSession.AddConstraints(new IncludeDelimitersInOutput(true));
// call the learn function to learn a splitting program from the given input examples
SplitProgram program = splitSession.Learn();
// check if the program is null (no program could be learnt from the given inputs)
if (program == null)
{
Console.WriteLine("No program learned.");
return;
}
// a valid program has been learnt and we execute it on the example inputs
SplitCell[][] splitResult = inputs.Select(input => program.Run(input)).ToArray();
// display the result of the splitting
Console.WriteLine("\n\nExecuting the program on the example inputs. Displaying all output regions:");
foreach (SplitCell[] resultRow in splitResult)
{
//each result row is an array of SplitCells representing the regions (fields or delimiters) into which the input has been split
Console.Write("\n|\t");
foreach (SplitCell cell in resultRow)
{
Console.Write(cell.CellValue.Value + "\t|\t");
}
}
/* This displays the following output:
| a | , | b | ; | c |
| 1 | , | 2 | ; | 3 |
*/
// learn a program to extract only the fields and no delimiters
splitSession.RemoveAllConstraints();
splitSession.AddConstraints(new IncludeDelimitersInOutput(false));
SplitProgram programWithoutDelimiters = splitSession.Learn();
if (programWithoutDelimiters == null)
{
Console.WriteLine("No program learned.");
return;
}
splitResult = inputs.Select(input => programWithoutDelimiters.Run(input)).ToArray();
Console.WriteLine("\n\nDisplaying only extracted fields without delimiters:");
foreach (SplitCell[] resultRow in splitResult)
{
Console.Write("\n|\t");
foreach (SplitCell cell in resultRow)
{
Console.Write(cell.CellValue.Value + "\t|\t");
}
}
/* This displays the following output:
| a | b | c |
| 1 | 2 | 3 |
*/
// execute the learnt program on some new inputs
var newInputs = new List <StringRegion>();
newInputs.Add(SplitSession.CreateStringRegion("e,f;g"));
newInputs.Add(SplitSession.CreateStringRegion("q,w;p"));
newInputs.Add(SplitSession.CreateStringRegion("17,551;2"));
newInputs.Add(SplitSession.CreateStringRegion("foo,bar;15"));
Console.WriteLine("\n\nExecuting the program on new inputs. Displaying all output regions: ");
foreach (StringRegion newInput in newInputs)
{
SplitCell[] outputForRow = program.Run(newInput);
Console.Write("\n|\t");
foreach (SplitCell field in outputForRow)
{
Console.Write(field.CellValue.Value + "\t|\t");
}
}
/* This displays the following output:
| e | , | f | ; | g |
| q | , | w | ; | p |
| 17 | , | 551 | ; | 2 |
| foo | , | bar | ; | 15 |
*/
Console.ReadLine();
}
