public string Parse(string inputText)
{
// replacement dictionary -->
// key: substring to replace
// value: new string
var stringReplDic = new Dictionary <string, string>();
foreach (string funcName in this.Keys)
{
// get full matches, e.g. {MyFunc('arg1')}
string[] funcStrings = GetFunctionStrings(inputText, funcName);
foreach (string funcString in funcStrings)
{
if (string.IsNullOrEmpty(funcString))
{
continue;
}
// warning: the delegate function is called once per unique function string
if (stringReplDic.ContainsKey(funcString))
{
continue;
}
var delArgs = new FunctionParseDelegateArgs();
delArgs.FunctionName = funcName;
delArgs.FunctionArgs = GetFunctionArgs(funcString);
string funcValue = Convert.ToString(this[funcName](delArgs));
stringReplDic.Add(funcString, funcValue);
}
}
return(StringHelpers.ReplaceText(inputText, stringReplDic));
}
// returns string with '?' instead of the function value
public ParsedCriteria ParseToCriteria(string inputText)
{
var funcValues = new List <object>();
var distinctFuncStringDic = new Dictionary <string, object>();
foreach (string funcName in this.Keys)
{
// get full matches of function strings, e.g. {MyFunc('arg1')}
string[] funcStrings = GetFunctionStrings(inputText, funcName);
foreach (string funcString in funcStrings)
{
if (string.IsNullOrEmpty(funcString))
{
continue;
}
var delArgs = new FunctionParseDelegateArgs();
delArgs.FunctionName = funcName;
delArgs.FunctionArgs = GetFunctionArgs(funcString);
// get function value either from delegate or from cached dictionary
object funcValue = null;
if (!distinctFuncStringDic.TryGetValue(funcString, out funcValue))
{
distinctFuncStringDic.Add(funcString, this[funcName](delArgs));
}
funcValue = distinctFuncStringDic[funcString];
inputText = inputText.Replace(funcString, "?");
funcValues.Add(funcValue);
}
}
var result = new ParsedCriteria();
result.Criteria = inputText;
result.Parameters = funcValues.ToArray();
return(result);
}
