private String transform(String input, List<Substitution> substitutions) {
List<String> tokens = tokenizer.tokenize(input);
outer:
for (int i = 0; i < tokens.size(); ) {
int offset = i;
for (final Substitution substitution : substitutions) {
i = substitution.substitute(offset, tokens);
if (i > offset) continue outer;
}
// Only gets here if no substitution matches.
i++;
}
return tokenizer.toString(tokens);
}
