public static string Replace(string pageContent, Func <string, string> replacementResolver)
{
if (pageContent == null)
{
throw new ArgumentNullException(nameof(pageContent));
}
var result = pageContent;
var fr = new FastReplacer("[$", "$]");
fr.Append(result);
var tokens = fr.OccurrencesOfToken;
if (tokens.Count > 0)
{
var currentTokens = fr.OccurrencesOfToken.Keys.ToList();
ReplaceToken(fr, currentTokens, replacementResolver);
if (tokens.Count > 0)
{
ReplaceToken(fr, fr.OccurrencesOfToken.Keys.ToList(), replacementResolver);
if (tokens.Count > 0)
{
ReplaceToken(fr, fr.OccurrencesOfToken.Keys.ToList(), replacementResolver);
}
}
}
return(fr.ToString());
}
private static void ReplaceToken(FastReplacer fr, List <string> tokens, Func <string, string> replacementResolver)
{
for (var index = 0; index < tokens.Count; index++)
{
var token = tokens[index];
var replacementCode = token.Substring(2, token.Length - 4); // внутрянка без [$ $]
var replacement = replacementResolver(replacementCode);
if (replacement != null)
{
fr.Replace(token, replacement);
}
}
}