public void CombineString()
{
StringCombinations sc = new StringCombinations ();
sc.Run ("readers");
Console.WriteLine ("Number of solutions: " + sc.NumberOfSolutions);
}
public bool?CheckConditions(List <Condition> fel, ConditionVariables values, out string errlist, List <Condition> passed = null, ConditionFunctions cf = null)
{
errlist = null;
bool?outerres = null;
foreach (Condition fe in fel) // find all values needed
{
bool?innerres = null;
foreach (ConditionEntry f in fe.fields)
{
bool matched = false;
if (f.matchtype == ConditionEntry.MatchType.AlwaysTrue || f.matchtype == ConditionEntry.MatchType.AlwaysFalse)
{
if (f.itemname.Length == 0 || f.itemname.Equals("Condition", StringComparison.InvariantCultureIgnoreCase)) // empty (legacy) or
{
if (f.matchtype == ConditionEntry.MatchType.AlwaysTrue)
{
matched = true; // matched, else if false, leave as false.
}
}
else
{
errlist += "AlwaysFalse/True does not have left side text of Condition";
innerres = false;
break;
}
}
else
{
string leftside = null;
ConditionFunctions.ExpandResult er = ConditionFunctions.ExpandResult.NoExpansion;
if (cf != null) // if we have a string expander, try the left side
{
er = cf.ExpandString(f.itemname, out leftside);
if (er == ConditionFunctions.ExpandResult.Failed) // stop on error
{
errlist += leftside; // add on errors..
innerres = false; // stop loop, false
break;
}
}
if (f.matchtype == ConditionEntry.MatchType.IsPresent) // these use f.itemname without any expansion
{
if (leftside == null || er == ConditionFunctions.ExpandResult.NoExpansion) // no expansion, must be a variable name
{
leftside = values.Qualify(f.itemname); // its a straight variable name, allow any special formatting
}
if (values.Exists(leftside) && values[leftside] != null)
{
matched = true;
}
}
else if (f.matchtype == ConditionEntry.MatchType.IsNotPresent)
{
if (leftside == null || er == ConditionFunctions.ExpandResult.NoExpansion) // no expansion, must be a variable name
{
leftside = values.Qualify(f.itemname); // its a straight variable name, allow any special formatting
}
if (!values.Exists(leftside) || values[leftside] == null)
{
matched = true;
}
}
else
{
if (er == ConditionFunctions.ExpandResult.NoExpansion) // no expansion, must be a variable name
{
leftside = values.Qualify(f.itemname);
leftside = values.Exists(leftside) ? values[leftside] : null; // then lookup
if (leftside == null)
{
errlist += "Item " + leftside + " is not available" + Environment.NewLine;
innerres = false;
break; // stop the loop, its a false
}
}
string rightside;
if (cf != null) // if we have a string expander, pass it thru
{
er = cf.ExpandString(f.matchstring, out rightside);
if (er == ConditionFunctions.ExpandResult.Failed) // if error, abort
{
errlist += rightside; // add on errors..
innerres = false; // stop loop, false
break;
}
}
else
{
rightside = f.matchstring;
}
if (f.matchtype == ConditionEntry.MatchType.DateBefore || f.matchtype == ConditionEntry.MatchType.DateAfter)
{
DateTime tmevalue, tmecontent;
if (!DateTime.TryParse(leftside, System.Globalization.CultureInfo.CreateSpecificCulture("en-US"), System.Globalization.DateTimeStyles.None, out tmevalue))
{
errlist += "Date time not in correct format on left side" + Environment.NewLine;
innerres = false;
break;
}
else if (!DateTime.TryParse(rightside, System.Globalization.CultureInfo.CreateSpecificCulture("en-US"), System.Globalization.DateTimeStyles.None, out tmecontent))
{
errlist += "Date time not in correct format on right side" + Environment.NewLine;
innerres = false;
break;
}
else
{
if (f.matchtype == ConditionEntry.MatchType.DateBefore)
{
matched = tmevalue.CompareTo(tmecontent) < 0;
}
else
{
matched = tmevalue.CompareTo(tmecontent) >= 0;
}
}
}
else if (f.matchtype == ConditionEntry.MatchType.Equals)
{
matched = leftside.Equals(rightside, StringComparison.InvariantCultureIgnoreCase);
}
else if (f.matchtype == ConditionEntry.MatchType.EqualsCaseSensitive)
{
matched = leftside.Equals(rightside);
}
else if (f.matchtype == ConditionEntry.MatchType.NotEqual)
{
matched = !leftside.Equals(rightside, StringComparison.InvariantCultureIgnoreCase);
}
else if (f.matchtype == ConditionEntry.MatchType.NotEqualCaseSensitive)
{
matched = !leftside.Equals(rightside);
}
else if (f.matchtype == ConditionEntry.MatchType.Contains)
{
matched = leftside.IndexOf(rightside, StringComparison.InvariantCultureIgnoreCase) >= 0;
}
else if (f.matchtype == ConditionEntry.MatchType.ContainsCaseSensitive)
{
matched = leftside.Contains(rightside);
}
else if (f.matchtype == ConditionEntry.MatchType.DoesNotContain)
{
matched = leftside.IndexOf(rightside, StringComparison.InvariantCultureIgnoreCase) < 0;
}
else if (f.matchtype == ConditionEntry.MatchType.DoesNotContainCaseSensitive)
{
matched = !leftside.Contains(rightside);
}
else if (f.matchtype == ConditionEntry.MatchType.IsOneOf)
{
StringParser p = new StringParser(rightside);
List <string> ret = p.NextQuotedWordList();
if (ret == null)
{
errlist += "IsOneOf value list is not in a optionally quoted comma separated form" + Environment.NewLine;
innerres = false;
break; // stop the loop, its a false
}
else
{
matched = ret.Contains(leftside, StringComparer.InvariantCultureIgnoreCase);
}
}
else if (f.matchtype == ConditionEntry.MatchType.MatchSemicolon)
{
string[] list = rightside.Split(';').Select(x => x.Trim()).ToArray(); // split and trim
matched = list.Contains(leftside.Trim(), StringComparer.InvariantCultureIgnoreCase); // compare, trimmed, case insensitive
}
else if (f.matchtype == ConditionEntry.MatchType.MatchCommaList)
{
StringCombinations sc = new StringCombinations(',');
sc.ParseString(rightside); // parse, give all combinations
matched = sc.Permutations.Contains(leftside.Trim(), StringComparer.InvariantCultureIgnoreCase); // compare, trimmed, case insensitive
}
else if (f.matchtype == ConditionEntry.MatchType.MatchSemicolonList)
{
StringCombinations sc = new StringCombinations(';');
sc.ParseString(rightside); // parse, give all combinations
matched = sc.Permutations.Contains(leftside.Trim(), StringComparer.InvariantCultureIgnoreCase); // compare, trimmed, case insensitive
}
else if (f.matchtype == ConditionEntry.MatchType.AnyOfAny)
{
StringParser l = new StringParser(leftside);
List <string> ll = l.NextQuotedWordList();
StringParser r = new StringParser(rightside);
List <string> rl = r.NextQuotedWordList();
if (ll == null || rl == null)
{
errlist += "AnyOfAny value list is not in a optionally quoted comma separated form on both sides" + Environment.NewLine;
innerres = false;
break; // stop the loop, its a false
}
else
{
foreach (string s in ll) // for all left strings
{
if (rl.Contains(s, StringComparer.InvariantCultureIgnoreCase)) // if right has it..
{
matched = true; // matched and break
break;
}
}
}
}
else if (f.matchtype == ConditionEntry.MatchType.IsEmpty)
{
matched = leftside.Length == 0;
}
else if (f.matchtype == ConditionEntry.MatchType.IsNotEmpty)
{
matched = leftside.Length > 0;
}
else if (f.matchtype == ConditionEntry.MatchType.IsTrue || f.matchtype == ConditionEntry.MatchType.IsFalse)
{
int inum = 0;
if (leftside.InvariantParse(out inum))
{
matched = (f.matchtype == ConditionEntry.MatchType.IsTrue) ? (inum != 0) : (inum == 0);
}
else
{
errlist += "True/False value is not an integer on left side" + Environment.NewLine;
innerres = false;
break;
}
}
else
{
double fnum = 0, num = 0;
if (!leftside.InvariantParse(out num))
{
errlist += "Number not in correct format on left side" + Environment.NewLine;
innerres = false;
break;
}
else if (!rightside.InvariantParse(out fnum))
{
errlist += "Number not in correct format on right side" + Environment.NewLine;
innerres = false;
break;
}
else
{
if (f.matchtype == ConditionEntry.MatchType.NumericEquals)
{
matched = Math.Abs(num - fnum) < 0.0000000001; // allow for rounding
}
else if (f.matchtype == ConditionEntry.MatchType.NumericNotEquals)
{
matched = Math.Abs(num - fnum) >= 0.0000000001;
}
else if (f.matchtype == ConditionEntry.MatchType.NumericGreater)
{
matched = num > fnum;
}
else if (f.matchtype == ConditionEntry.MatchType.NumericGreaterEqual)
{
matched = num >= fnum;
}
else if (f.matchtype == ConditionEntry.MatchType.NumericLessThan)
{
matched = num < fnum;
}
else if (f.matchtype == ConditionEntry.MatchType.NumericLessThanEqual)
{
matched = num <= fnum;
}
else
{
System.Diagnostics.Debug.Assert(false);
}
}
}
}
}
// System.Diagnostics.Debug.WriteLine(fe.eventname + ":Compare " + f.matchtype + " '" + f.contentmatch + "' with '" + vr.value + "' res " + matched + " IC " + fe.innercondition);
if (fe.innercondition == ConditionEntry.LogicalCondition.And) // Short cut, if AND, all must pass, and it did not
{
if (!matched)
{
innerres = false;
break;
}
}
else if (fe.innercondition == ConditionEntry.LogicalCondition.Nand) // Short cut, if NAND, and not matched
{
if (!matched)
{
innerres = true; // positive non match - NAND produces a true
break;
}
}
else if (fe.innercondition == ConditionEntry.LogicalCondition.Or) // Short cut, if OR, and matched
{
if (matched)
{
innerres = true;
break;
}
}
else
{ // short cut, if NOR, and matched, its false
if (matched)
{
innerres = false;
break;
}
}
}
if (!innerres.HasValue) // All tests executed, without a short cut, we set it to a definitive state
{
if (fe.innercondition == ConditionEntry.LogicalCondition.And) // none did not match, producing a false, so therefore AND is true
{
innerres = true;
}
else if (fe.innercondition == ConditionEntry.LogicalCondition.Or) // none did match, producing a true, so therefore OR must be false
{
innerres = false;
}
else if (fe.innercondition == ConditionEntry.LogicalCondition.Nor) // none did match, producing a false, so therefore NOR must be true
{
innerres = true;
}
else // NAND none did match, producing a true, so therefore NAND must be false
{
innerres = false;
}
}
if (innerres.Value && passed != null) // if want a list of passes, do it
{
passed.Add(fe);
}
if (!outerres.HasValue) // if first time, its just the value
{
outerres = innerres.Value;
}
else if (fe.outercondition == ConditionEntry.LogicalCondition.Or)
{
outerres |= innerres.Value;
}
else if (fe.outercondition == ConditionEntry.LogicalCondition.And)
{
outerres &= innerres.Value;
}
else if (fe.outercondition == ConditionEntry.LogicalCondition.Nor)
{
outerres = !(outerres | innerres.Value);
}
else if (fe.outercondition == ConditionEntry.LogicalCondition.Nand)
{
outerres = !(outerres & innerres.Value);
}
}
return(outerres);
}
