private IEnumerable <GrepMatch> TextSearchIteratorBoolean(int lineNumber, int filePosition, string text,
BooleanExpression expression, List <int> lineEndIndexes, bool isWholeWord, StringComparison comparisonType)
{
List <GrepMatch> results = new List <GrepMatch>();
foreach (var operand in expression.Operands)
{
var matches = TextSearchIterator(lineNumber, filePosition, text, operand.Value,
lineEndIndexes, isWholeWord, comparisonType);
operand.EvaluatedResult = matches.Any();
operand.Matches = matches.ToList();
if (!expression.IsComplete && expression.IsShortCircuitFalse())
{
return(results);
}
}
if (expression.IsComplete)
{
var evalResult = expression.Evaluate();
if (evalResult == EvaluationResult.True)
{
foreach (var operand in expression.Operands)
{
if (operand.Matches != null)
{
results.AddRange(operand.Matches);
}
}
// if the expression evaluated to true, then the expression is searching
// for things that do not match the operands. Return the whole line
if (results.Count == 0)
{
string temp = text.TrimEndOfLine();
results.Add(new GrepMatch(string.Empty, lineNumber, filePosition, temp.Length));
}
GrepMatch.Normalize(results);
}
}
return(results);
}
private IEnumerable <GrepMatch> TextSearchIteratorOr(int lineNumber, int filePosition, string text,
List <string> orClauses, List <int> lineEndIndexes, bool isWholeWord, StringComparison comparisonType)
{
List <GrepMatch> results = new List <GrepMatch>();
foreach (string searchText in orClauses)
{
var matches = TextSearchIterator(lineNumber, filePosition, text, searchText,
lineEndIndexes, isWholeWord, comparisonType);
if (matches.Any())
{
results.AddRange(matches);
}
}
GrepMatch.Normalize(results);
return(results);
}
private IEnumerable <GrepMatch> RegexSearchIteratorOr(int lineNumber, int filePosition, string text,
List <string> orClauses, bool isWholeWord, RegexOptions regexOptions)
{
List <GrepMatch> results = new List <GrepMatch>();
foreach (string searchPattern in orClauses)
{
var matches = RegexSearchIterator(lineNumber, filePosition, text,
searchPattern, isWholeWord, regexOptions);
if (matches.Any())
{
results.AddRange(matches);
}
}
GrepMatch.Normalize(results);
return(results);
}
