public string SolveExpressionFromBeginning(int iteration)
{
string exp = _expression;
foreach (Function func in _functions)
{
switch (func.Type)
{
case Function.FunctionType.SequentialIntFunction:
SequentialIntFunction sif = (SequentialIntFunction)func;
exp = exp.Replace(sif.Name, sif.AllVals(iteration).Last <int>().ToString().PadLeft(sif.Padding, '0'));
break;
case Function.FunctionType.SequentialCharFunction:
SequentialCharFunction scf = (SequentialCharFunction)func;
exp = exp.Replace(scf.Name, scf.AllVals(iteration).Last <char>().ToString());
break;
case Function.FunctionType.ConstantTextFunction:
ConstantTextFunction ctf = (ConstantTextFunction)func;
exp = exp.Replace(ctf.Name, ctf.Constant);
break;
case Function.FunctionType.ConstantFileFunction:
ConstantFileFunction cff = (ConstantFileFunction)func;
exp = exp.Replace(cff.Name, cff.NextVal());
break;
case Function.FunctionType.ConstantFileFunctionEx:
ConstantFileFunctionEx cffe = (ConstantFileFunctionEx)func;
exp = exp.Replace(cffe.Name, cffe.NextVal());
break;
case Function.FunctionType.ConstantFileExtFunction:
ConstantFileExtFunction cfef = (ConstantFileExtFunction)func;
exp = exp.Replace(cfef.Name, cfef.NextVal());
break;
}
}
return(exp);
}
private string SolveExpressionPrevValues()
{
string exp = _expression;
foreach (Function func in _functions)
{
switch (func.Type)
{
case Function.FunctionType.SequentialIntFunction:
SequentialIntFunction sif = (SequentialIntFunction)func;
exp = exp.Replace(sif.Name, sif.PrevVal().ToString().PadLeft(sif.Padding, '0'));
break;
case Function.FunctionType.SequentialCharFunction:
SequentialCharFunction scf = (SequentialCharFunction)func;
exp = exp.Replace(scf.Name, scf.PrevVal().ToString());
break;
case Function.FunctionType.ConstantTextFunction:
ConstantTextFunction ctf = (ConstantTextFunction)func;
exp = exp.Replace(ctf.Name, ctf.Constant);
break;
case Function.FunctionType.ConstantFileFunction:
ConstantFileFunction cff = (ConstantFileFunction)func;
exp = exp.Replace(cff.Name, cff.NextVal());
break;
case Function.FunctionType.ConstantFileFunctionEx:
ConstantFileFunctionEx cffe = (ConstantFileFunctionEx)func;
exp = exp.Replace(cffe.Name, cffe.NextVal());
break;
case Function.FunctionType.ConstantFileExtFunction:
ConstantFileExtFunction cfef = (ConstantFileExtFunction)func;
exp = exp.Replace(cfef.Name, cfef.NextVal());
break;
}
}
return(exp);
}
public static bool Generate(string file1, string file2, string folder, string[] extensions, out string expression, out List <ConstantFileFunction> functions)
{
expression = string.Empty;
functions = new List <ConstantFileFunction>();
List <Pair <Pair <int, string>, Pair <int, string> > > diffs = Diff.DiffString(file1, file2);
if (diffs.Count > 0)
{
string file1_beginning, file1_ending, file2_beginning, file2_ending;
string common_beginning, common_ending;
int file1_beginning_fpos, file1_ending_ipos, file2_beginning_fpos, file2_ending_ipos;
bool has_beginning, has_ending;
file1_beginning = file1_ending = file2_beginning = file2_ending = common_beginning = common_ending = string.Empty;
file1_beginning_fpos = file1_ending_ipos = file2_beginning_fpos = file2_ending_ipos = -1;
has_beginning = has_ending = false;
// get the ending positions of the beginning of the file name or the first position of file name's ending
if (diffs[0].First.First > 0)
{
file1_beginning_fpos = diffs[0].First.First - 1;
}
else
{
file1_ending_ipos = diffs[diffs.Count - 1].First.First + diffs[diffs.Count - 1].First.Second.Length;
}
if (diffs[0].Second.First > 0)
{
file2_beginning_fpos = diffs[0].Second.First - 1;
}
else
{
file2_ending_ipos = diffs[diffs.Count - 1].Second.First + diffs[diffs.Count - 1].Second.Second.Length;
}
// if the final position of the beginning of the file name was found, then try getting te first position of the file name's ending
if (file1_beginning_fpos != -1 && diffs.Count > 1)
{
file1_ending_ipos = diffs[diffs.Count - 1].First.First + diffs[diffs.Count - 1].First.Second.Length;
}
if (file2_beginning_fpos != -1 && diffs.Count > 1)
{
file2_ending_ipos = diffs[diffs.Count - 1].Second.First + diffs[diffs.Count - 1].Second.Second.Length;
}
// generate the beginning and ending tokens
if (file1_beginning_fpos != -1)
{
file1_beginning = file1.Substring(0, file1_beginning_fpos + 1).Trim().ToLower();
}
if (file1_ending_ipos != -1)
{
file1_ending = file1.Substring(file1_ending_ipos, file1.Length - file1_ending_ipos).Trim().ToLower();
}
if (file2_beginning_fpos != -1)
{
file2_beginning = file2.Substring(0, file2_beginning_fpos + 1).Trim().ToLower();
}
if (file2_ending_ipos != -1)
{
file2_ending = file2.Substring(file2_ending_ipos, file2.Length - file2_ending_ipos).Trim().ToLower();
}
// check if there is a common file name beginning and ending
if (file1_beginning != string.Empty && file1_beginning == file2_beginning)
{
has_beginning = true;
common_beginning = file2_beginning;
}
if (file1_ending != string.Empty && file1_ending == file2_ending)
{
has_ending = true;
common_ending = file2_ending;
}
// if there was a beginning or and ending in common, so there's a generalization
if (has_beginning || has_ending)
{
string f_name = "§1";
expression = f_name;
ConstantFileFunction cff = new ConstantFileFunction(f_name, common_beginning, common_ending, folder, extensions);
functions.Add(cff);
}
}
if (functions.Count > 0)
{
return(true);
}
else
{
return(false);
}
}
public static Generalization[] Generate(string str1, string str2, TimeSpan time)
{
List <Generalization> gens = new List <Generalization>();
bool is_file;
string folder1, folder2;
if (Directory.Exists(str2))
{
is_file = false;
folder1 = Directory.GetParent(str1).FullName;
folder2 = Directory.GetParent(str2).FullName;
}
else
{
is_file = true;
folder1 = Path.GetDirectoryName(str1);
folder2 = Path.GetDirectoryName(str2);
}
// if both files have the same directory, then there might be a generalization
if (folder1 == folder2)
{
List <ConstantFileFunction> cff = new List <ConstantFileFunction>();
List <ConstantFileFunctionEx> cffe = new List <ConstantFileFunctionEx>();
List <SequentialIntFunction> sifs = new List <SequentialIntFunction>();
List <SequentialCharFunction> scfs = new List <SequentialCharFunction>();
List <ConstantFileExtFunction> cfef = new List <ConstantFileExtFunction>();
List <ConstantTextFunction> ctfs = new List <ConstantTextFunction>();
string expression = string.Empty;
string file1 = Path.GetFileNameWithoutExtension(str1);
string file2 = Path.GetFileNameWithoutExtension(str2);
List <string> extensions = new List <string>();
// detect which file extensions show the operations be applied to
if (is_file)
{
if (Path.GetExtension(str1) == Path.GetExtension(str2) && Path.GetExtension(str1) != string.Empty)
{
extensions.Add(Path.GetExtension(str2));
}
extensions.Add(".*");
}
// SequentialIntFunction
if (SequentialIntFunction.Generate(file1, file2, out expression, out sifs))
{
gens.Add(new FileDeleteGeneralization(expression, sifs.ToArray(), str2, time, 2));
}
// SequentialCharFunction
if (SequentialCharFunction.Generate(file1, file2, out expression, out scfs))
{
gens.Add(new FileDeleteGeneralization(expression, scfs.ToArray(), str2, time, 2));
}
// ConstantFileFunction
if (ConstantFileFunction.Generate(file1, file2, folder2, extensions.ToArray(), out expression, out cff))
{
gens.Add(new FileDeleteGeneralization(expression, cff.ToArray(), str2, time, 2));
}
// ConstantFileFunctionEx
if (ConstantFileFunctionEx.Generate(file1, file2, folder2, extensions.ToArray(), out expression, out cffe))
{
gens.Add(new FileDeleteGeneralization(expression, cffe.ToArray(), str2, time, 2));
}
// ConstantFileExtFunction
if (ConstantFileExtFunction.Generate(folder2, extensions.ToArray(), out expression, out cfef))
{
gens.Add(new FileDeleteGeneralization(expression, cfef.ToArray(), str2, time, 2));
}
// ConstantTextFunction
if (ConstantTextFunction.Generate(file1, file2, out expression, out ctfs))
{
gens.Add(new FileDeleteGeneralization(expression, ctfs.ToArray(), str2, time, 2));
}
}
return(gens.ToArray());
}