string BuildStringArrayJson <T>(T[] objects, int numValidObjects,
KeepFunction <T> keepFunction,
ToStringFunction <T> toString, StringBuilder jsoner)
{
jsoner.Clear();
jsoner.Append("[");
bool gotOneString = false;
for (int i = 0; i < numValidObjects; i++)
{
T obj = objects[i];
if (!keepFunction(obj))
{
continue;
}
string theString = toString(obj);
if (theString != null)
{
if (gotOneString)
{
jsoner.Append(",");
}
gotOneString = true;
jsoner.Append("\"");
jsoner.Append(theString);
jsoner.Append("\"");
}
}
jsoner.Append("]");
return(jsoner.ToString());
}
private AST Group2()
{
var ast = Group1();
if (CurrentToken.TokenType == TokenType.Function)
{
if (ast != null)
{
ThrowUnexpectedTokenTypeException();
}
switch (CurrentToken.Value)
{
case "ToString":
ast = new ToStringFunction(CurrentToken);
break;
case "DateTime.Now":
ast = new DateTimeFunction(CurrentToken);
break;
case "string.Concat":
ast = new StringConcatFunction(CurrentToken);
break;
case "AddMonths":
ast = new AddMonths(CurrentToken);
break;
default:
ThrowUnexpectedTokenTypeException();
break;
}
CurrentToken = _lexer.GetNextToken();
if (CurrentToken.TokenType != TokenType.OpenParenthesis)
{
ThrowUnexpectedTokenTypeException();
}
CurrentToken = _lexer.GetNextToken();
while (CurrentToken.TokenType != TokenType.CloseParenthesis)
{
ast.ChildNodes.Add(Group10());
if (CurrentToken.TokenType == TokenType.Separator)
{
CurrentToken = _lexer.GetNextToken();
}
}
CurrentToken = _lexer.GetNextToken();
}
return(ast);
}
public static Dictionary <string, string> Create(object obj, ToStringFunction toString)
{
var dict = new Dictionary <string, string>();
foreach (PropertyDescriptor descriptor in TypeDescriptor.GetProperties(obj))
{
dict.Add(descriptor.Name, toString(descriptor.GetValue(obj)));
}
return(dict);
}
public static string join <T>(this IEnumerable <T> list, ToStringFunction <T> toStringFunction,
string separator = ", ")
{
var s = "";
var first = true;
foreach (var t in list)
{
if (first)
{
first = false;
}
else
{
s += separator;
}
s += toStringFunction(t);
}
return(s);
}
