public static string Process(string template, params TokensSet[] tokens)
{
var index = 0;
var token_index = FindFirstToken(template);
if (!TokenFound(token_index)) return template;
var source = new TemplateSource(template);
var rez = new TemplateRezult(template.Length);
while (TokenFound(token_index))
{
rez.Append(source.Substring(from: index, to: token_index - 1));
var token = ReadTokenAt(source, token_index);
var token_value = CalculateToken(token, tokens);
source.Replace(from: token.StartsAt, to: token.EndsAt, value: token_value);
index = token.StartsAt;
token_index = FindNextToken(in_template: source, starting_on: index);
}
rez.Append(source.Substring(from: index));
return rez.ToString();
}
