private ResponseViewModel[] SearchInternal(object source)
{
var result = (IEnumerable <ResponseViewModel>)source;
if (SearchFromSelectedParts)
{
result = result.Where(r => Parts.Any(p => p == r.PartNumber));
}
if (SearchFromSelectedPeople)
{
result = result.Where(r => People.Any(p => p == r.Tag));
}
if (SearchFromSelectedDate && (StartDate != null || EndDate != null))
{
var start = StartDate ?? DateTime.MinValue;
var end = EndDate == null?DateTime.MaxValue:EndDate.Value.Date.Add(new TimeSpan(23, 59, 59));
result = result.Where(r => r.Date >= start && r.Date <= end);
}
var buffer = new StringBuilder(1000);
return(result.Where(r =>
{
CharWidthNormalizer.NormalizeFast(r.Text, buffer);
return Condition.IsMatch(CharWidthNormalizer.Normalize(buffer.ToString()));
}).ToArray());
}
//public static ConditionExpression Parse(string str)
//{
// var quoting=0;
// var literal=false;
// var words=new List<string>();
// str=str.Trim();
// var startIndex=0;
// for(int i=0;i<str.Length;++i){
// if(quoting==0&&!literal){
// if(!char.IsWhiteSpace(str[i])){
// startIndex=i;
// literal=true;
// if(str[i]=='"'){
// ++quoting;
// ++startIndex;
// }
// }
// }else if(literal){
// if(quoting>0&&str[i]=='"'&&char.IsWhiteSpace(str[i+1])){
// quoting=false;
// literal=false;
// words.Add(str.Substring(startIndex,i-startIndex-1);
// }else if(char.IsWhiteSpace(str[i])){
// literal=false;
// }
// }
// if(str[i]=='"'&&((quoting&&char.IsWhiteSpace(str[i+1]))||!quoting)){
// quoting=!quoting;
// }
// }
//}
public static ConditionExpression Create(string str)
{
var literal = false;
var words = new List <string>();
str = str.Trim();
if (str == "")
{
return(new DummyExpression(true));
}
var startIndex = 0;
for (int i = 0; i < str.Length; ++i)
{
if (!literal && !char.IsWhiteSpace(str[i]))
{
literal = true;
startIndex = i;
}
else if (literal && char.IsWhiteSpace(str[i]))
{
words.Add(str.Substring(startIndex, i - startIndex));
literal = false;
}
}
if (literal)
{
words.Add(str.Substring(startIndex, str.Length - startIndex));
}
words = words.Select(w => CharWidthNormalizer.Normalize(w)).ToList();
ConditionExpression root = null;
if (words.Count == 1)
{
root = new LiteralExpression(words.First());
}
else
{
var last = new AndOperatorExpression(null, null);
root = last;
for (int i = 0; i < words.Count; ++i)
{
last.Operand1 = new LiteralExpression(words[i]);
if (words.Count == i + 2)
{
last.Operand2 = new LiteralExpression(words[i + 1]);
++i;
}
else
{
var newExpr = new AndOperatorExpression(null, null);
last.Operand2 = newExpr;
last = newExpr;
}
}
}
return(root);
}